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Corometrics®170 Series

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1. Figure 6 5 Uterine Activity Ramp 6 20 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure Tocotransducer Test Tocotransducer Test 1 Inspect a Nautilus tocotransducer as follows Check for any cracks or contaminants on the tocotransducer especially on the diaphragm located on the bottom of the tocotransducer Visibly assess the condition of the cable strain relief and connector pins 2 Connect the tocotransducer to the UA input receptacle on the front panel of the 170 Series Monitor 3 Access service setup mode and note the default TOCO reference setting 4 Exit the service setup mode 5 Press the monitor s Power button to turn the monitor back on 6 Momentarily press the monitor s UA Reference pushbutton Verify the following The UA value shows the default setting The recorder prints the messages UA REF and TOCO on the strip chart paper 7 Plug the TOCO transducer connector to the monitor and set the US reference as 10 on the monitor 8 Place 52 5 gm Teflon Weight on the transducer face and verify the value as 32 45 0 UA 9 Place 100 gm Teflon Weight on the transducer face and verify the value as 53 45 0 UA 10 Place 150 g
2. Figure 4 8 Closing the Paper Dravver IMPORTANT PAPER Paper should always be installed in the monitor The monitor runs a self test routine each time 1t is powered on part of this routine includes a recorder test 4 6 170 Series Monitor Revision D 2000947 004 Setup Procedures Turning the Monitor On Turning the Monitor On The 170 Series uses a universal AC to DC converter which accepts an AC input in the range 100 230 VAC The converter supplies a regulated 12 Vdc to the 170 Series Monitor 1 Connect the AC adapter into the power supply connector labeled CONNECT TO GE MEDICAL SYSTEMS REF 7714AAT ONLY Figure 4 9 Connecting the AC Adapter 2 Connect one end of the detachable line cord to the AC adapter connect the other end into a hospital grade grounded wall outlet 3 Press the monitor s Power button 5 The green indicator next to the button illuminates A self test routine automatically runs Read Monitor Self Test Routines on the next page Figure 4 10 Turning the Monitor On Revision D 170 Series Monitor 4 7 2000947 004 Setup Procedures Monitor Self Test Routines Monitor Self Test Routines NOTE Ensure paper is installed in the recorder in order to verify a successful recorder test Each 170 Series Monitor contains a self test routine which checks the internal circuitry of the monitor the displays and indicators and the strip chart recorder The self test routin
3. Revision D 170 Series Monitor 8 17 2000947 004 Peripheral Devices RS 232 Connectors Table 8 6 RS 232 Connector 1 nor sonne sonen NENNEN e TEN 3 Reto ono O a 3 99 a rm ECN NONEM CENE NN Table 8 7 RS 232 Connector 2 Signal Ground Transmit Data Output from Monitor Clear to Send Input to Monitor Figure 8 4 RJ 45 Connector facing the rear panel from the outside 8 18 170 Series Monitor 2000947 004 Revision D Peripheral Devices RS 232 Connectors 170 SERIES MONITOR SIDE DATA TERMINAL EQUIPMENT DTE SIDE SIGNAL NAME SIGNAL NAME RXD RXD CTS aen m CTS GND gt GND GND Figure 8 5 Standard Null Modem Cable 170 SERIES MONITOR SIDE SIGNAL NAME TXD RXD CTS E ELE DATA TERMINAL EQUIPMENT DTE SIDE SIGNAL NAME TXD RXD RTS CTS GND gt GND GND Figure 8 6 Standard Normal Modem Cable Revision D 170 Series Monitor 2000947 004 8 19 For your notes 8 20 170 Series Monitor Revision D 2000947 004 Maintenance All equipment no matter how reliable needs to be maintained on a regular basis This chapter describes general care and cleaning instructions for the 170 Series Monitor and its accessories Ifan accessory 1s not listed consult the manufacturer s Instructions This chapter describes the following A 9 2 Preventative Maintenance Inspecti0M o o oooooooooo 9 5 Revi
4. Revision D 170 Series Monitor 5 27 2000947 004 Theory of Operation Main Board Theory of Operation Ultrasound Oscillator Pin Diode Circuitry Transmission Reception Internal gates located in integrated circuit USO X4 and associated components comprise a crystal controlled oscillator running at 4 604 MHz The inverted output of this oscillator is the clock that is used to clock latch U48 therefore changes at the outputs of USO are not clocked out of U48 until one half clock cycle later The system runs at a frequency of 2 kHz 4 604 MHz 1151 2 2 kHz and the time for each transmission and reception is 250 us 1 2000 2 250 us The signal TRANS BURST is a square wave at a frequency of 1 151 MHz It is initiated four clock cycles after the internal reset of the binary counter within USO used to decode the signals used by the ultrasound system and continues 428 clock cycles The signal DET BURSTI is also a square waves at a frequency of 1 151 MHz This signal is output 640 clock cycles after reset and continues up to 1020 clock cycles The signals PIN1 and PIN2 from PAL USO turn on the appropriate switches of U47 so as to bias pin diodes D21 and D22 on this in turn provides a low impedance path for the Channel 1 transducer to the ultrasound transmitter and preamplifier Diodes D23 and D24 are biased off providing a high impedance path to the ultrasound transmitter and preamplifier for the Channel 2 transducer The opposite of
5. 3 Select TREND 1 from the Menu by pressing the SUB button and press ENTER after selecting the TREND 1 pattern 4 Ifnot already on depress the monitor s Record button 5 Verify the following on the monitor e Recorder should print out a value equal to that displayed on the Monitor at each heart rate area FHR1 FHR2 and UA area TOCO 12 8 170 Series Monitor Revision D 2000947 004 Revision D Addendum Dual Heart Rate Test FECG US Modes Note 2 PS320 Simulator 1 MFH and 1 Ultrasound Transducer are required to perform this test case One for giving FECG Signal and the other for Ultrasound signal FECG US Modes Fetal ECG Ultrasound US1 Port 5 6 e Connect the 3 lead ECG Cable from the PS320 simulator to the FECG input on the monitor Connect the MFH to USI port in PS320 Simulator via the cable supplied with the MFH 1 Place the Ultrasound Transducer face up on the work surface and coat it with Ultrasound conductive gel and place the MFH 1 on the Ultrasound transducer and connect the Ultrasound Transducer to US channel on the Coro Monitor Set the values on the PS320 Simulator according to Table below If not already on depress the monitor s Record button Verify the following on the monitor The FHR1 value reads 120 1 BPM The FHRI heartbeat indicator Y flashes at a rate of 120 times per minute The FHR2 heartbeat indicator 9 flashes at a rate of 150 times per minute The messag
6. 8 6 170 Series Monitor Revision D 2000947 004 Peripheral Devices RS 232 Connectors Quantitative Sentinel Perinatal System Through this interface the 170 Series Monitor outputs FHR and UA data to a central information such as GE s Quantitative Sentinel Perinatal System Annotations made at the central station can be optionally printed on the strip chart paper of the 170 Series Monitor as summarized below E Each message is preceded by a computer icon B Messages are restricted to a maximum length of 50 characters Lower case letters are converted to upper case letters Non standard characters are replaced with spaces The 170 Series Monitor can be configured with the remote annotation capability enabled HP w notes mode or disabled HP mode The following is an example of a remote message sent to a 170 Series Monitor from a central information system using this serial communications protocol E lt SPW gt AVERAGE VARIABILITY where SPW is an example of a physician s initials To connect a central information system 1 Refer to Table 8 2 for the appropriate interface cable Connect one end to an available RS 232C connector 1 or 2 on the 170 Series Monitor connect the other end to the wallplate wired to the central information system Fora Marquette Quantitative Sentinel Perinatal System the interface cable is catalog number REF 1376A AO the corresponding wallplate connector is labeled RS
7. T m huolto ohje on saatavilla vain englanniksi Jos asiakkaan huoltohenkil st vaatii muuta kuin englanninkielist materiaalia tarvittavan k nn ksen hankkiminen on asiakkaan vastuulla l yrit korjata laitteistoa ennen kuin olet varmasti lukenut ja ymm rt nyt t m n huolto ohjeen Mik li tata varoitusta ei noudateta seurauksena voi olla huoltohenkil st n laitteiston k ytt j n tai potilaan vahingoittuminen s hk iskun mekaanisen vian tai muun vaaratilanteen vuoksi ATTENTION Ce manuel d installation et de maintenance est disponible uniquement en anglais Si le technicien d un client a besoin de ce manuel dans une langue autre que l anglais il incombe au client de le faire traduire Ne pas tenter d intervenir sur les quipements tant que ce manuel d installation et de maintenance n a pas t consult et compris Le non respect de cet avertissement peut entra ner chez le technicien l op rateur ou le patient des blessures dues des dangers lectriques m caniques ou autres WARNUNG Diese Serviceanleitung existiert nur in englischer Sprache Falls ein fremder Kundendienst eine andere Sprache ben tigt ist es Aufgabe des Kunden f r eine entsprechende bersetzung zu sorgen Versuchen Sie nicht diese Anlage zu warten ohne diese Serviceanleitung gelesen und verstanden zu haben Wird diese Warnung nicht beachtet so kann es zu Verletzungen des Kundendiensttechnikers des Bedieners oder des Pati
8. Use the simulator s Manual Adjustment knob to increase the heart rate value by less than 13 BPM from the 120 BPM baseline Verify the following on the monitor The FHRI value immediately reflects this new input rate The strip chart recorder immediately reflects this new input rate Use the simulator s Manual Adjustment knob to decrease the heart rate value by more than 13 BPM from the 120 BPM baseline Verify the following on the monitor The FHRI value immediately reflects this new input rate The strip chart recorder prints at the last input rate for an additional 3 seconds before blanking the heart rate data and printing a continuous line at the new input rate Set the simulator s US Rate switch to the RAMP position Verify that the FHRI value counts between approximately 50 and 210 BPM and that the recorder prints a ramp between the same values Refer to Figure 6 3 Table 6 3 Ultrasound Test Simulator Settings US FMD Signal Level Revision D 170 Series Monitor 6 13 2000947 004 Functional Checkout Procedure Ultrasound Test Table 6 3 Ultrasound Test Simulator Settings 7 Place the simulator s US Rate switch in each of the individual rate settings 50 60 120 and 210 BPM Verify the following on the monitor The FHR1 value reflects the simulator setting 1 BPM The FHR1 heartbeat indicator KV flashes at the simulator setting Ultrasound audio is heard coming from the rear
9. 3 3 V for Analog 144 KHz for Isolated Power Supply 3 3 V for Analog Analog Ground FECG Analog Output Pressure Analog Output FECG Enable Active Low No Connection 171 172 173 Clear Model 174 TOCO Enable No Connection Revision D 170 Series Monitor 2000947 004 9 15 Theory of Operation Functional Overview Table 5 17 FECG UA Option Interface Part Two J15 Models 173 174 Only Signal Type Signal Name Relative To Main Board Ce p o Active low Signal Description Right Arm Input from Patient Connector Left Arm Input from Patient Connector Right Leg Drive Signal from FECG IUP Board Isolated Shield UA Channel Negative Input UA Channel Positive Input Isolated 4 V Reference Enable for FECG Cable Isolated 4 V Reference Ground Isolated IUP Enable No Connection Isolated TOCO Enable 5 16 170 Series Monitor 2000947 004 Revision D Theory of Operation Main Board Theory of Operation Main Board Theory of Operation Figure 5 10 provides a block diagram of the Main Board in the 170 Series Monitor The board number varies according to the particular model in the series as summarized in Table 5 18 Table 5 18 Main Board Variations 170 Series Model Main Board FRU Number Ultrasound Channels FECG IUP Board Mount Model 173 2000324 Yes Model 174 2000952 Yes Revision D 170 Series Monitor 5 17 2000947 004 Theory of Operation Main Board Theory of Operation Audi
10. NOTE The black squares indicate the end of the recorder paper When the black Squares appear the strip chart recorder has approximately 20 minutes of paper remaining when running at a speed of 3 cm min Figure 4 4 Orienting the Paper 4 4 170 Series Monitor Revision D 2000947 004 Setup Procedures Loading Strip Chart Paper 6 Unfold two sheets from the top of the pack so that they extend toward you Figure 4 5 Creating a Paper Leader 7 Place the pack in the drawer so that the pack is laying flat in the bottom of the paper tray Figure 4 6 Inserting the Paper Revision D 170 Series Monitor 4 5 200094 7 004 Setup Procedures Loading Strip Chart Paper 8 Pull the paper leader taut at an angle between remaining pack and the paper guides The balance of the paper pack should stay flat in the drawer as shown in Figure 4 7 The paper guides are shown in Figure 4 8 Pull paper leader taut Remaining paper lays flat in drawer Figure 4 7 Paper Drawer Side Cutaway View 9 Slide the drawer closed by exerting even pressure on both sides of the drawer Avoid skewing the drawer in its tracks The pre printed vertical lines on the paper should be parallel to the printhead You will hear a click when the drawer is locked in place Paper Guide Printhead Paper Guide
11. Open Reverse Normal Closed Open Reverse Open Normal Closed Reverse Normal Closed Normal Closed UA UA MN D elt po fete HR on DR EG EG EU Figure 9 4 Patient to Ground leakage test connection diagram and switch settings 170 Series Monitor 9 13 2000947 004 Maintenance Preventative Maintenance Inspection Patient to Line Leakage for dee and IUP Type CF applied parts Connect an FECG test body to the monitor s front panel FECG input 2 Connect an IUP test body to the monitor s front panel UA input Note Refer below table to connect the applicable Type CF parts specific for each model Type of Connectors to be Shorted for the Leakage test for each bessi pem FECG CF FECG CF of the Model 3 Configure a leakage tester to perform a patient leakage test Refer Figure 9 5 as shown below for the Safety Tester connection and switch details 4 Turn ON the monitor using the monitor s On Standby button 5 Verify the following e Normal Condition 50 pA e Single Fault Condition lt 50 uA 132 253 VAC or at the line voltage at your facility 10 6 Record the patient to line leakage for the following conditions Test Description S1 DPDT S2 SPDT S3 SPDT S4 SPDT Polarity Neutral Ground Test Point a Normal a Closed a Closed a Internal Maximum b reverse b Open bi Open b TP1 Limits uA Position Position Position a b ja
12. 170 Series Monitor 2000947 004 5 7 Theory of Operation Functional Overview Table 5 9 Ultrasound Connector s BLONNC ONE NN No Connection No Connection Chassis Ground Shield for Transmit Receive Transmit Receive No Connection No Connection No Connection Chassis Ground No Connection Enable for Ultrasound Channel Chassis Ground Figure 5 5 US Connector s facing the front panel from the outside 5 8 170 Series Monitor 2000947 004 Revision D Theory of Operation Functional Overview 1 1 1 1 T 0 1 2 Table 5 10 FECG Connector Model 173 Signal Name Signal Description G FECGEN Enable for FECG Channel C ND a A RL Active low N N N N N N Figure 5 6 FECG Connector facing the front panel from the outside Revision D 170 Series Monitor 200094 7 004 5 9 Theory of Operation Functional Overview Table 5 11 Ultrasound FECG Combi Connector Model 174 CS Signal Name Signal Description No Connection Enable for FECG Channel Isolated Ground Shield for Transmit Receive isolated ground Transmit Receive isolated ground Right Arm Shield isolated ground UISENABLES U S ENABLE Figure 5 7 US FECG Combi Connector facing the front panel from the outside 5 10 170 Series Monitor 2000947 004 Revision D Theory of Operation Functional Overview Table 5 12 Uterine Activity Connector Signal Name Si
13. 8 9 Peripheral Devices RS 232 Connectors Critikon Model 1846 1846SX Critikon Model 1846 1846SX Monitors can be interfaced to a 170 Series Monitor to provide a printout of NBP values on the strip chart paper l Refer to Table 8 2 for the appropriate interface cable Connect one end to an available RS 232C port 1 or 2 on the 170 Series Monitor connect the other end to the serial communications port on the blood pressure monitor Refer to the Critikon documentation for information on the name of the connector Access the fetal monitor service setup mode and set the baud rate and mode for the appropriate port to 600 and ext BP respectively then exit the service setup mode Be aware of the following information specific to Critikon monitors The clock on the Critikon Modes 1846 1846S X Monitors must be set to within 10 minutes of the 170 Series Monitor Ifthe clocks are not within 10 minutes of each other the time will print with each blood pressure reading Duetothe storage capabilities of Critikon monitors it is recommended that power be cycled at the beginning of each data session This ensures that any previously stored data is cleared When using STAT mode on a Critikon monitor the 170 Series Monitor does not print the time with each reading due to overcrowding on the strip chart Instead the time is printed once every three to five minutes The Critikon Model 1846SX discards NBP values after 90 minutes
14. Lei 2 2 353 com Chart Speed 0230 240 1 50 210 BPM Paper Scale 0 HP 1 HP w notes 2 Ext BP 3 Factory Test As Ext FSpO L Communications Mode port 1 2 5 115 Update 6 115 Transmit Receive 300 600 1200 2400 3800 9600 19200 38400 Baud Pate port 1 2 0 2 1 1 Remote Mark Annotation Style 0 0f l1 i0mm 2 o0n 172 173 174 52 Fetal Heart Rate Offset Enable Disable 5 10 15 20 25 relative units UA Reference Default 0 255 Recorder Alignment Refer to the 170 Series Service Manual for more information Corometnes and Marques are registered trademarks of GE Medical Systems Jyformation Tecimologes GE 15 a registered trademark of General Electic Company 2000 GE Medical System I rmarion Tecmologies All nents reserved No part of us document may be reproduced without the permission of GE Medical Systems Byormation Technologies ZA CAUTION Inthe United States of America Federal Law restricts this device to sale by or on the order of a physician PIN 2003024 001 REV A 01 01 Revision D 170 Series Monitor 2000947 004 Setup Procedures Flasher Software Utility Upgrade Flasher Software Utility Upgrade The Corometrics Flasher is a software utility program which uses one of the monitor es RS 232 serial ports to upgrade to a newer software release or to install a purchased option such as fetal movement detection Each Flasher disk contains the software upgrade for one time use only In other words you ne
15. current of 9 3 UA through R20 which is also transferred across the barrier with the same transfer ratio of 0 85 to 1 05 This current is input to U13 pin 6 through R32 Potentiometer R25 sets the gain at U13 pin 8 to 0 5 V 100UA Units Potentiometer R30 sets the initial offset voltage to 0 5 V The output amplifier U13 pin 8 is a unity gain amplifier with 3 poles of filtering with its 3 dB frequency of 3 Hz Since the system analog to digital converter has an input range of 0 to 2 5 V the dynamic range 1s from 100 to 400UA Units Revision D 170 Series Monitor 5 37 2000947 004 Theory of Operation FECG IUP Board Theory of Operation FECG Channel Mode Enables The input to the FECG channel is two resistors R42 and R43 with the signal names of RA and LA respectively Resistors R42 R43 R45 and R462 and capacitors C38 through C40 provide RF filtering and in conjunction with diode limiters D3 through D6 provide protection from electro static discharge Resistors R40 R41 and R44 cause amplifier U7 to saturate when the FECG cable is not connected to a fetus This disables the FECG channel from counting noise and flashing LEDs and causing tones to be generated by the speaker Instrumentation amplifier U7 provides a gain of 13 7 which is given by 49 4E3 R54 1 Amplifier U2 pins 5 6 and 7 is an integrator which has high gain at DC with reducing gain as frequency increases Amplifier U2 pin 7 drives amplifier U2 pin8 Am
16. 2000947 004 Parts Lists 2000268 189 Model 172 Final Assembly Table 11 2 Model 172 Final Assembly 2000268 189 Continued 15269E 284105 284072 284285 289516 2000220 001 2000221 001 2000142 001 15301A 15461AA 15453AA 15323AA 15324AA 14943AA 20001 78 001 2000359 001 2000246 001 2000240 001 284031 608030 608036 7714AAT 600028 2000890 001 2000891 001 2000892 001 2000893 001 PCB ASSY MAIN PCB DUAL US COMP SCREW 4 PH 1 4L THD FORM SCR 4 40 PH 5 16L PHL LL STRIP SCR 4 40 FH UNDERCUT 3 16 PHIL 2PS NYLON PATCH SCR M3X5 PH PHIL ZP VVINYLOR PATCH SCR PH 2 1 2L PHIL ZPS PLASTITE SCR 4 PH 1 4L TYPE F PHIL ZPS SPRING FRONT GROUND ASSY PCB DISPLAY BOARD GASKET REAR PANEL PAD PRINT TOP COVER MODEL 170 KYBD MEMBRANE US2 LABEL DISPLAY OVERLAY US2 CLIP SPEAKER PLUG CALL LIGHT STANDOFF M F 440 1IN LG ALUM PLUG TELEMETRY LABEL CUSTOM REAR PANEL OVERLAYS 170 SCR 4 40 BH 1 4 LG SLTD N YLON CABLE MOUNT ADHESIVE BACK TYRAPS CABLE TIES POWER SUPPLY 12V 30W EXTERNAL SUPPLY ASSY LINE CORD IEC PACKAGING RIGHT CAP 170 SERIES PACKAGING LEFT CAP 170 SERIES PACKAGING BOXES 170 SERIES PACKAGING SLOTTED TRAY 170 SERIES 170 Series Monitor 2000947 004 Revision D Parts Lists 2000268 189 Model 172 Final Assembly Table 11 2 Model 172 Final Assembly 2000268 189 Continued 13984AA LBL PACRING LIST 340 2000555 001 SHLD SPEAKER 170 410066 POLY BAG 23X26X 0
17. 240 OD 024 WIRE BRACKET HEADSTOP STANDOFF 1 4HEX 1 8SL 4 4 0 THD NUT HEX 4 40 5 64 X 1 4 CABLE ASSY RIBBON RECORDER 170 SERIES CABLE ASSY SPEAKER WIRE 170 SERIES CLIP GROUND 170 Series Monitor 2000947 004 Revision D Parts Lists 2000268 188 Model 171 Final Assembly Table 11 1 Model 171 Final Assembly 200268 188 Continued PCB MAIN SINGLE MAUS U S COMPLETE 284105 SCREW 4 PH 1 4L THD FORM 284072 SCR 4 40 PH 5 16L PHL LL STRIP SCR 4 40 FH UNDERCUT 3 16 PHIL 2PS NYLON PATCH SCR M3X5 PH PHIL ZP VVINYLOR PATCH 284285 289516 2000220 001 SCR PH 2 1 2L PHIL ZPS PLASTITE 2000221 001 SCR 4 PH 1 4L TYPE F PHIL ZPS 2000142 001 SPRING FRONT GROUND 15301A ASSY PCB DISPLAY BOARD 15461AA GASKET REAR PANEL 15453CA PAD PRINT TOP COVER MODEL175 15323BA KYBD MEMBRANE US1 15324BA LABEL DISPLAY OVERLAY US1 14943AA CLIP SPEAKER 2000178 001 PLUG CALL LIGHT 2000359 001 STANDOFF M F 440 1IN LG ALUM 2000246 001 PLUG TELEMETRY 2000186 001 PLUG NICOLAY CONN LABEL CUSTOM REAR PANEL OVERLAYS 170 284031 SCR 4 40 BH 1 4 LG SLTD N YLON 2000240 001 608030 CABLE MOUNT ADHESIVE BACK 608036 TYRAPS CABLE TIES POWER SUPPLY 12V 30W EXTERNAL SUPPLY TT14AAT 600028 ASSY LINE CORD IEC 2000890 001 PACKAGING RIGHT CAP 170 SERIES 2000891 001 PACKAGING LEFT CAP 170 SERIES 2000892 001 PACKAGING BOXES 170 SERIES Revision D 170 Series Monitor 2000947 004 Parts Lists 2000268 188 Model 171 Fi
18. 7 7 CMR Test Jack Table 7 8 CMR Test Jack Components Part Description Catalog Number 475 Q 1 8 W 1 Resistor 472127 7 20 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Tocotransducer Calibration Nautilus Tocotransducers Calibrating a Nautilus Tocotransducer requires a Calibration Kit Refer to Table 7 9 to order the correct kit Unpack the kit and ensure it contains the items listed in Table 7 10 If something is missing contact your GE Service Representative immediately The text of the instruction sheet is repeated here for informational purposes Table 7 9 Kit Summary Nautilus Transducer Cable Kit Type and Cat No REF Cat No REF Loop Style Tocotransducer 2264 DAX EAX FAX KAX LAX MAX 2003663 001 Button Style Tocotransducer 2264 AAX BAX CAX GAX HAX JAX 2003664 001 m a Screw Cap Curved Screw Cap Flat EN Belt Knob Instruction Sheet A The belt knob is included in button style kit 2003664 001 only Revision D 170 Series Monitor 7 21 2000947 004 Serviceable Assemblies Tocotransducer Calibration Equipment Required IMPORTANT WEIGHT TYPE The specified weight cat no REF 2003005 001 is designed specifically for testing Nautilus Tocotransducers Y ou will need the following equipment Phillips Head Torque Driver Screw Cap Extraction Tool cat no 2004084 001 Digital Voltmeter DM501 or equivalent with x1 probe or leads Common Mode Re
19. Checkout Procedure FECG Test 13 14 15 16 17 18 Set the simulator s ECG Rate switch to the A15 position Verify the following on the monitor The FHRI value oscillates by 15 BPM The FHRI heartbeat indicator J flashes for each input signal The ECG beep is heard from the rear panel speaker The recorder prints an oscillation of 15 BPM between 115 and 130 BPM on the top grid of the strip chart paper Figure 6 2 shows the strip chart paper results Repeat step 13 for the rate value of A22 The result should be the same as step 13 except that the FHR1 value oscillates by 22 BPM and the trend is an oscillation of 22 BPM between the 108 and 130 BPM on the strip chart paper Set the simulator s ECG Rate switch to the A27 position Verify the following on the monitor The FHRI value oscillates by 27 BPM The FHRI heartbeat indicator J flashes for each input signal The ECG beep is heard from the rear panel speaker The trend does not indicate any oscillation Access the Service Setup Mode and disable ECG Artifact Elimination Set the simulator s ECG Rate switch to the MANUAL position and the Manual Adjustment knob to the fully counterclockwise position Disconnect the ECG simulator sub cable from the monitor s FECG receptacle Verify the following on the monitor The FHRI value is blank The FHRI trend stops plotting on the strip chart paper After
20. List 5 ft cord 5700GAX Button Style Nautilus Ultrasound Transducer Assembly Parts List 5 ft cord Table 11 6 5700GAX Button Style Nautilus Ultrasound Transducer Assembly Parts List 5 ft cord 14895A 15081AA 14791A 14594AA 14640AA 284106 2008660 001 15254AA 7529EA 281260 8974AA 14855AA 13658FA 440011 4991AA 410069 410113 15265AA 13434AA 160103 162004 OBSER 003 14957AA 14897AA 474045 U S CBL ASSY 5 OB WATERTIGHT MARKING CASE BUTTON TOP U S WATERTIGHT CASE BOTTOM ASSY U S WATERTIGHT FLAT SEAL TOCO U S WATERTIGHT XDCR CABLE MOUNTING NUT TOCO US WATERTIGHT SCR 4 40 PH 5 16L W SEAL PHIL SS LL SCR CAP TOCO U S SCREW CAP FLAT MARING WATERTIGHT SCUCERS KNOB TOP NAUTILUS WATERTIGHT TOCO SCR SET 2 56 1 8L OVAL PT SS ABD STRAP BUTTON STYLE BE LT WARNING TAG CABLES WATERTIGHT LBL CE CAUTION IP68 WATERTIGHT XDCR LABEL 2 25X 75 SELF LAM WHITE ACC PACKER PACK MATERIAL ST BAG AIRCAP 8 X 11 1 2 SHIPPING LBL 5 00GAX WATERTIGHT XDUCERS LBL SHIP CRTN CE MARK VAR ADHESIVE 454 OIL SILICONE 3ML TUBE ADDENDUM WATERTIGHT XDCR WARNING LABEL KIT U S TOCO WATERTIGHT INSTRUCTION SHEET WATERTIGHT TOCO NETWORK RES SIP 47 OHM 9 RES Revision D 170 Series Monitor 2000947 004 11 15 Parts Lists 5 00KAX Loop Style Nautilus Ultrasound Transducer Assembly Parts List 5 ft cord 5 00KAX Loop Style Nautilus Ultrasound Transducer Assembly Parts List 5 ft cord Table 11 7 5700LAX Loop Styl
21. Model 325 Simulator 14203A B TOCO IUP m Monitor Interconnect Cable 14212A B m Nautilus Tocotransducer Tocotransducer 2264GAX 2264MAX Series m Reusable Strain Gauge with holder 4007BAX or m Reusable Strain Gauge without holder 400 LAX or m Disposable Strain Gauge 4009AAX NOTE These items are no longer sold by GE However transducers in the field are compatible with the 170 Series Monitor m Model 325 Simulator 14203A B m Monitor Interconnect Cable 14212A B Strain Gauge Transducer Pattern Memory m Model 325 Simulator 14203A B Dual Heart Rate FECG US m Monitor Interconnect Cable 14212A B m Two Model 325 Simulators 14203A B with two sets of Monitor Interconnect Cables 14212A B or m Two Nautilus Ultrasound Transducers 5 00GAX 5700MAX Series Alarms m Model 325 Simulator 14203A B m Monitor Interconnect Cable 14212A B PS320 Maternal Fetal Simulator Fluke Biomedical NOTE PS320 Maternal Fetal simulator by Fluke Biomedical can also be used as an alternative to model 325 simulator To use the PS320 Simulator Refer Addendum for using PS320 Simulator in chapter 12 7 Dual Heart Rate US US2 6 2 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure General General Between Factory Service visits 1t 1s necessary that the proper operation of each monitor be verified by performing the functional checkout procedure described in this section T
22. Operation FECG IUP Board Theory of Operation Table 5 20 FECG UA Unisolated Output P16 Models 173 174 Only Signal Type Signal Name Relative To Main Signal Description Board 12 V for FECG Isolated Power Supply Model 173 only 11 6 V for FECG Isolated Power Supply Model 174 only Ultrasound Sync Timing Line ae SCH Model 174 only TOCOEN Input TOCO Enable US1 Mode Enable US1EN Input Model 174 only Active low 12 V 173 11 6V 174 SUB Revision D 170 Series Monitor 5 41 2000947 004 Theory of Operation FECG IUP Board Theory of Operation Table 5 21 FECG UA Isolated Output P15 Models 173 174 Only Signal Type Signal Name Relative To Main Board USEN 174 only Output Signal Description Right Arm Input from Patient Connector Left Arm Input from Patient Connector Right Leg Drive Signal from FECG Board Isolated Shield UA Channel Negative Input UA Channel Positive Input Isolated 4 V Reference Enable for FECG Cable Isolated 4 V Reference Ground Isolated IUP Enable US1 Mode Enable Model 174 only ENTOCO Output Isolated TOCO Enable Active low 0 42 170 Series Monitor 2000947 004 Revision D Functional Checkout Procedure Like all electronic monitoring devices internal and external components are subject to fatigue wear and the potential for failure over time and under varying conditions ofuse Additionally events such as dropping the mon
23. Q20 Q21 and associated components The power output is limited to 17 W Figure 5 20 provides a block diagram of the power supply section Revision D 170 Series Monitor 5 33 2000947 004 Theory of Operation Main Board Theory of Operation Power Status Comparator 5 V Linear Regulator for Audio 5 V Linear Regulator for Motor 5 V Linear Regulator for Digital Logic Switching Pre Regulator 3 3 V Linear Regulator for Digital Logic 12 V Input 3 3 V Linear Regulator for Analog Circuitry 6 V for Ultrasound 7 5 V Linear Pre Regulator Switching Regulator for Recorder e 24 V e Shutdown digital control e Sync input from ultrasound timing Low Power 3 3 V Regulator from Power Switch o Switching Regulator Shutdown Pawar Off Control Power Switch Flip Flop gt Figure 5 20 Power Supply Section Block Diagram 5 34 170 Series Monitor Revision D 2000947 004 Theory of Operation Main Board Theory of Operation FECG IUP Board Interface J16 and J15 provide the interface to the FECG IUP Board J15 is patient isolated FECG RA LA RL Connector FECG IUP Board Pressure Connector 4V REF Telemetry Telemetry eee Oi u Telemetry FECG In Connector to Data Bus 12 Bit A D Converter Telemetry Switch Figure 5 21 FECG IUP Board Interface Block Diagram Revision D 170 Series Monitor 2000947 00
24. Replacing the Sensor Board Equipment Required Phillips screwdriver Sensor board part no 15231 Sensor board insulator part no 2000147 001 Cable tie x2 part no 608036 Cable mount adhesive back x2 part no 608030 Procedure 1 Remove the AC line cord from the monitor to completely remove power 2 Follow the instructions for Removing the Monitor Top Cover on page 7 19 3 Follow the instructions for Replacing the Main Board on page 7 35 4 Note the location of the printhead assembly relative to the notches on each side This is the nominal location for when it is replaced later Remove the four screws from the printhead assembly downstop plate and set aside 5 Remove the three screws from the main board mounting plate and slide back and out to remove 6 Remove the two screws holding the drawer microswitch in place 7 Snip the sensor board cable tie located on the monitor bottom panel 8 Pull the recorder drawer forward slightly 9 Snip the cable tie on the back of the recorder drawer 10 Pull drawer forward and lift out CAUTION LOOSE ROLLERS The drawer rollers are normally held in place by the drawer Take care not to dislodge them while the drawer is removed 11 Turn drawer over and peel off the sensor board insulator 12 Remove the four flathead screws securing the sensor board Discard the board but retain the screws 13 Insert the new board secure all four screws an
25. TAG120 SERIES LABEL SERIAL NUMBER UL 8 MODEL NUMBER 408230 008 LABEL CE MARK 160019 SEALANT MED BLUE 2000741 001 LABEL TRANS 8 STOR COND 170 SERIES 4281EA Revision D 170 Series Monitor 2000947 004 11 13 Parts Lists 2264AAX Button Style Nautilus Tocotranducer Assembly Parts List 5 ft cord 2264AAX Button Style Nautilus Tocotranducer Assembly Parts List 5 ft cord 14894A 15079AA 14790B 14594AA 14640AA 284106 14638AA 15254AA 7529DA 281260 8974AA 14855AA 13658FA 440011 4991AA 410069 410112 15264AA 13434AA 160034 162004 Table 11 5 2264AAX Button Style Nautilus Tocotransducer Assembly Parts List 5 ft cord TOCO CBL ASSY OB 5 LG WATERTIGHT MARKING CASE BUTTON TOP TOCO WATERTIGHT CASE BOTTOM ASSY TOCO OB WATERTIGHT FLAT SEAL TOCO U S WATERTIGHT XDCR CABLE MOUNTING NUT TOCO US WATERTIGHT SCR 4 40 PH 5 16L W SEAL PHIL SS LL SCREW CAP WATERTIGHT SCREW CAP FLAT MARING WATERTIGHT SCUCERS KNOB TOCO KNOB TOP XDCR K IT116 SCR SET 2 56 1 8L OVAL PT SS ABD STRAP BUTTON STYLE BE LT WARNING TAG CABLES WATERTIGHT LBL CE CAUTION IP68 WATERTIGHT XDCR LABEL 2 25X 75 SELF LAM WHITE ACC PACKER PACK MATERIAL ST BAG AIRCAP 6 X 8 1 2 SHIPPING LBL 2264AAX WATERTIGHT XDUCERS LBL SHIP CRTN CE MARK VAR LOCTITE SUPERBONDE OIL SILICONE 3ML TUBE 11 14 170 Series Monitor 2000947 004 Revision D Parts Lists 5 00GAX Button Style Nautilus Ultrasound Transducer Assembly Parts
26. Transducer Plug Replacement Kits Refer to Table 7 2 and ensure you have the correct kit Unpack the kit and ensure it contains the items listed in Table 7 1 If something is missing contact your GE Service Representative immediately Table 7 1 Kit Summary Plug Kit Plug Type Cat No REF Tocotransducer Cable 6158J m Nautilus 2264 Series Ultrasound Transducer Cable m Standard 5700 Series 8675A m Nautilus 5700 Series FECG Cable Legplate Table 7 2 Packing List Contact Pin male 24 AWG 16 5 mm Contact Pin male 24 AWG 18 mm Gripper of appropriate size m 3 5 mm for smaller cables TOCO m 5 7 mm for larger cables US FECG Plastic Ring 21 8 x 4 mm Retaining Ring Strain Relief Clamp 3 7 mm Screw for above clamp M 2 6 x 10 Half Shell with Clamp of appropriate size m 3 5 mm for smaller cables m 5 7 mm for larger cables Half Shell with Tongue Color Coded Connector Plug 12 pin Oetiker Clamp 4 The Oetiker Camp is used only for Nautilus Tocotransducers 2264 Series Revision D 170 Series Monitor 7 3 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits Handling Precautions Transducers are delicate measuring instruments and must be handled accordingly Transducer damage can be avoided by taking the following precautions Avoid banging or dropping transducers Refrain from wrapping transducer cables around transducer body Do not immerse transducers in aqueo
27. activity value obtained from this transducer shows in the uterine activity display l Ifthe Model 174 is interfaced to a clinical information system CIS be aware that the CIS may be designed to alarm when there is no fetal heart rate signal Therefore it is recommended that you unplug the ultrasound and or FECG transducers from the monitor when not in use to eliminate false alarms Revision D 170 Series Monitor 3 11 2000947 004 Controls Indicators and Connectors Strip Chart Recorder Strip Chart Recorder Heart Rate Grid Figure 3 6 Strip Chart Recorder The strip chart recorder is located on the right side of the front panel Latches on each side of the recorder open the paper drawer Two styles of paper are available 30 240 BPM scale and 50 210 BPM scale Refer to Chapter 4 Setup Procedures for instructions on loading strip chart paper into the recorder One or two fetal heart rate trends print in the top or left grid of the strip chart paper depending on your model monitor and the active modalities If only one fetal heart rate 1s being monitored the FHR trend is printed in black If twins are being monitored the primary trend is printed in plain black while the secondary trend is bolded Refer to the 170 Series Operator s Manual
28. advance and user setup controls The ultrasound mode provides clean accurate traces with few dropouts because of a patented autocorrelation processing Fetal heart rate alarm limits are user defined with pre set defaults Alarm silencing is controlled by a front panel pushbutton colored for easy recognition Fetal heart rate alarm conditions have both audible and visual indications The audible indicator can be silenced on an alarm by alarm basis Two RS 232C ports provide interfacing to external devices 2 4 170 Series Monitor Revision D 2000947 004 Introduction About Your Monitor About Your Monitor This manual describes all monitors in the 170 Series therefore some sections may not apply to your model monitor Refer to Table 2 1 Model 171 The Model 171 Antepartum Fetal Monitor provides singleton ultrasound and external uterine activity monitoring Model 172 The Model 172 Antepartum Fetal Monitor provides dual ultrasound and external uterine activity monitoring Model 173 The Model 173 Intrapartum Monitor provides dual heart rate monitoring using FECG and ultrasound The monitor also provides external uterine activity monitoring using a tocotransducer or internal monitoring using an intrauterine pressure catheter IUPC Model 174 The Model 174 Intrapartum Monitor provides dual heart rate monitoring using FECG ultrasound or dual ultrasound The monitor also provides external uterine activit
29. alarm activation or inhibition STRANGULATION Make sure all patient cables leadwires and tubing are positioned away from the patient s head to minimize the risk of accidental strangulation WATER BIRTHS Do not use the monitor to directly monitor patients during water births in whirlpool or submersion water baths during showers or in any other situation where the mother is immersed in water Doing so may result in electrical shock hazard Revision D 170 Series Monitor 2000947 004 1 7 Safety Monitor Contraindications Warnings and Precautions Cautions CAUTIONS ANNUAL SERVICING For continued safety and performance of the monitor it is recommended that the calibration accuracy and electrical safety of the monitor be verified on an annual basis by an GE Service Representative DAILY TESTING It is essential that the monitor and accessories be inspected every day It is recommended practice to initiate the monitor s self test feature at the beginning of each monitoring session follow the instructions in Chapter 4 Setup Procedures ENVIRONMENT T he performance of the monitor has not been tested in certain areas such as x ray and imaging suites The monitor 1s not recommended for use in these environments PERFORMANCE Report all problems experienced with the monitor If the monitor is not working properly contact your Service Representative for service The monitor should not be used if i
30. and 174 only enable disable heartbeat coincidence Models 172 173 and 174 only set the default UA reference value perform a recorder alignment test print the software version number along with a summary of all current configuration settings 4 10 170 Series Monitor Revision D 2000947 004 Setup Procedures Customizing the Monitor EXAMPLE to enter the user setup mode Use to select feature code 2 FHR High Alarm Limit See Table 4 2 Press 5 to switch displays The heartbeat indicator Y lights Use to change the value to 185 BPM See Table 4 2 Press to switch displays again The sign lights Repeat steps 2 to 5 Setting or value for selected feature e g FHR Alarms On or 180 BPM High Alarm Limit Monitor Feature Code e g FHR Alarms or High Alarm Limit Use or v to change the number v Press 4 to switch between displays Use or v to change the number v Press 4 to switch between displays Repeat steps to change other settings NOTE For Models 172 173 and 174 use the leftmost set of volume controls Figure 4 12 Setup Mode Summary Model 172 shown Revision D 170 Series Monitor 2000947 004 Setup Procedures Customizing the Monitor Y ou can enter the user setup mode during an active monitoring session The fetal heart rate and uterine activity trends print without interruption and the FHR tones remain audib
31. and connector seven segment displays user interface buttons peripheral device communications 9 99 processing For Models 173 and 174 a separate FECG IUP Board controls intrapartum front ends isolation for analog signals Figure 5 1 provides an overview of the system architecture Table 5 1 through Table 5 17 provide pinouts for each of the external connectors and the internal main board harness connectors Figure 5 2 through Figure 5 9 provide illustrations of the front and rear panel connectors Se Printhead able Cable RECORDER MODULE gt gt Printhead and Sensors Di Display isplay Board Cable MAIN BOARD Membrane Switch Panel Figure 5 1 Overview of System Architecture 5 2 170 Series Monitor Revision D 2000947 004 Theory of Operation Functional Overview Table 5 1 Main Power Connector 12 Vdc Input Figure 5 2 Main Power Connector Revision D 170 Series Monitor 2000947 004 9 3 Theory of Operation Functional Overview ru NNNM SS SG CS Table 5 2 Recorder Printhead Connector Signal Type Signal Name Relative To Recorder Signal Description Board CR I TS BSCK Head Serial Clock 3 07 MHz O O ae Jop Active low 5 4 170 Series Monitor Revision D 2000947 004 Theory of Operation Functional Overview Table 5 3 Recorder Motor Connector Signal Type Signal Name Relative to Signal Description Main board Cee Motor
32. and recorder printing when the supply drops to approximately 10 V Integrated circuit U58 forms an R S flip flop U58 pin 6 is set high when the Power button is pressed Q19 collector also goes to a logic 1 whenever the Power button is pressed When U58 pin 6 is pulled high it enables the SYNC signal at U59 pin 4 which is inverted by U59 pin 3 to reach all the switching power supplies The sync frequency is 575 kHz and is derived and hence synchronized to the ultrasound system U62 and its associated components comprise a buck converter with an output voltage of 5 8 V This is used as the pre regulator for linear regulators U65 U66 U68 and U69 U65 provides the system 5 V U66 provides the 5 V for the recorder motor U67 provides the 5 V for the audio amplifier U68 provides 3 3 V for the analog circuitry U69 provides the 3 3 V for the digital circuitry U61 and its associated components comprise a linear regulator with an output voltage of 7 5 V This is used as the pre regulator for the linear regulator U55 which provides the 6 V for the ultrasound front end it also powers U53 which provides the 6 V and powers U56 which is used to generate the 4 V for the tocotransducer circuitry U64 and its associated components comprise a boost converter with an output voltage of 24 V Integrated circuit U70 under microprocessor control is used to control the 24 V for the recorder printhead The 24 V output 1s current limited by
33. and set the recorder speed to 1 cm min 3 Press the Setup button to exit the setup mode 4 Press the monitor s Power button to turn on the monitor 5 Press the monitor s Record button and verify the following The yellow indicator next to the button illuminates continuously The recorder paper advances at a rate of 1 cm min The recorder prints the correct time and date information on the strip chart paper If an incorrect time or date 1s listed refer to Chapter 4 Setup Procedures in this manual The recorder prints the messages CARDIO INOP and VA INOP indicating that no ultrasound or uterine activity transducers are plugged into the front panel US US2 or UA connectors The recorder prints the message 1 CM MIN indicating the selected chart speed 6 Press the monitor s front panel Paper Advance pushbutton and verify that the recorder paper advances at a rate of 36 cm min 7 Press the Paper Advance pushbutton again and verify that the recorder prints the message 1 CM MIN 8 Access the service setup mode and set the recorder speed to 3 cm min 9 Press the Setup button to exit the service setup mode 10 Press the monitor s Power button to turn the monitor back on 11 Verify that the recorder paper advances at a rate of 3 cm min and that after approximately 40 seconds the message 3 CM MIN prints on the recorder paper The time date and monitoring modes also print again 12 Press the Mar
34. approximately 30 seconds the message CARDIO INOP prints on the center margin of the strip chart paper Set the simulator s ECG Mode switch to the OFF position Revision D 170 Series Monitor 6 9 2000947 004 Functional Checkout Procedure FECG Test 84128 FHR 246 F 240 bpm r e 210 210 FER 180 dep 150 150 SR ee 120 Sei 120 sn d 60 69 30 It 30 15 41 OS AUG 97 FECG a TOCO we 3 CM MIN m 12 ss EE EE SE 10 r Y SS HH SE aa SS E coc o 2 k les SE 2 ES kPa s UA O mm Hg O kPa UA O Figure 6 1 FECG Ramp 6 10 170 Series Monitor 2000947 004 Revision D Functional Checkout Procedure FECG Test A A LLULL i MI IH 3 II DIN OI 6 11 Figure 6 2 FECG Artifact Elimination 170 Series Monitor 2000947 004 Re
35. bgdz innego Este manual de assist ncia t cnica encontra se disponivel unicamente em ingl s Se outro servi o de assist ncia t cnica solicitar a tradu o deste manual caber ao cliente fornecer os servi os de tradu o N o tente reparar o equipamento sem ter consultado e compreendido este manual de assist ncia t cnica A n o observ ncia deste aviso pode ocasionar ferimentos no t cnico operador ou paciente decorrentes de choques el tricos mec nicos ou outros ATEN O Este manual de assist ncia t cnica s se encontra dispon vel em ingl s Se qualquer outro servi o de assist ncia t cnica solicitar este manual noutro idioma da responsabilidade do cliente fornecer os servi os de tradu o N o tente reparar o equipamento sem ter consultado e compreendido este manual de assist ncia t cnica O n o cumprimento deste aviso pode colocar em perigo a seguran a do t cnico do operador ou do paciente devido a choques el ctricos mec nicos ou outros ATENTIE Acest manual de service este disponibil doar n limba englez Daca un furnizor de servicii pentru clien i necesit o alt limb dec t cea englez este de datoria clientului s furnizeze o traducere Nu incercati s reparati echipamentul dec t ulterior consult rii si n elegerii acestui manual de service Ignorarea acestui avertisment ar putea duce la r nirea depanatorului operatorului sau pacientului n urma pericolelor de ele
36. on the monitor Refer appendix for Using PS320 Simulator The FHR value in the Monitor is 120 1 BPM e The recorder prints a continuous line at 120 3 BPM on the top grid of the strip chart paper The FHRI heartbeat indicator 9 flashes at a rate of 120 times per minute e Ultrasound audio is heard coming from the monitor s rear panel speaker 8 Disconnect the ultrasound transducer from the front panel of the monitor Verify the following on the monitor The FHRI value and heartbeat indicator are both blank The recorder stops printing the fetal heart rate trace The recorder prints the message CARDIO INOP on the center margin of the strip chart paper after approximately 20 seconds ABOUT LATCHING ALARMS The fetal heart rate alarms are latching alarms which means that a Unsilenced Resolved Threshold Alarm If a threshold alarm condition clinician must acknowledge the alarm using the monitor s Alarm is resolved prior to be silenced clinical acknowledgement the visual Silence button in order to clear the alarm Active Threshold Alarm and audible indications both remain present Press the Alarm Silence Press the Alarm Silence button to cancel the audio component of ap button to cancel both the audible and visual indications This is active threshold alarm The visual indications remain present until the tested in steps 17 to 19 for a high alarm and 25 to 27 for a low FHR value returns to within the defined accep
37. operatoram vai pacientam ISPEJIMAS Sis eksploatavimo vadovas yra tik angly kalba e Jei kliento paslaug tiek jas reikalauja vadovo kita kalba ne angl suteikti vertimo paslaugas privalo klientas Nemeginkite atlikti rangos technin s prie i ros jel neperskait te ar nesupratote Sio eksploatavimo vadovo Jei nepaisysite Sio jsp jimo galimi paslaugy tiek jo operatoriaus ar paciento suzalojimai del elektros Soko mechaniniy ar kity pavoju ADVARSEL Denne serviceh ndboken finnes bare p engelsk Hvis kundens serviceleverandgr har bruk for et annet spr k er det kundens ansvar s rge for oversettelse Ikke fors k reparere utstyret uten at denne serviceh ndboken er lest og forst tt Manglende hensun til denne advarselen kan fgre til at serviceleverandgren operatgren eller pasienten skades p grunn av elektrisk stat mekaniske eller andre farer OSTRZEZENIE Niniejszy podr cznik serwisowy dost pny jest jedynie w j zyku angielskim e Je li serwisant klienta wymaga j zyka innego ni angielski zapewnienie us ugi ttumaczenia jest obowigzkiem klienta e Nie pr bowa serwisowa urzadzenia bez zapoznania si z niniejszym podr cznikiem gt l PT BR PT PT RO RU II EI P AVISO serwisowym zrozumienia go Niezastosowanie sie do tego ostrzezenia moze doprowadzi do obrazen serwisanta operatora lub pacjenta vv wyniku porazenia pradem elektrycznym zagrozenia mechanicznego
38. parts specific for each model Type of USI BF USI BF USI BF USI BF Connectors to US2 BF US2 BF the Leakage test TOCO BF TOCO BF for each of the TOCO BF TOCO BF Model 3 Configure a leakage tester to perform a patient leakage test Refer Figure 9 3 as shown below for the Safety Tester connection and switch details 4 Turn ON the monitor using the monitor s On Standby button 5 Verify the following e Normal Condition 50 pA be Shorted for e Single Fault Condition lt 50 uA 132 253 VAC or at the line voltage at your facility 10 6 Record the patient to line leakage for the following conditions Test Description S1 DPDT S2 SPDT S3 SPDT S4 SPDT Polarity Neutral Ground Test Point a Normal a Closed a Closed a Internal Maximum b reverse b Open b Open b TP1 Limits uA Position Position Position Position a b a b a b ENMIEC UL TP1 connected to LEADS all LEADS connected together Polarity Neutral Open Ground Normal Closed Polarity Reverse Neutral Open Ground Normal Closed Figure 9 3 Patient to Line leakage test connection diagram and switch settings Revision D 170 Series Monitor 9 11 2000947 004 9 12 Maintenance Preventative Maintenance Inspection Patient to Ground Leakage for FECG and IUP Type CF applied parts 1 Connect an FECG test body to the monitors front panel FECG input 2 Connect an IUP test body to th
39. portion of the functional checkout procedure ensures the integrity of the FECG circuitry and the heart rate channel of the recorder l Connect the Model 325 Simulator s ECG sub cable to the FECG receptacle on the monitor Set the switches on the Model 325 Input Simulator according to Table 6 2 If not already on press the monitor s Record button Turn the simulator s Manual Adjustment knob fully counterclockwise and verify the following on the monitor The FHRI value is 30 BPM The FHR1 heartbeat indicator C flashes at a rate of 30 times per minute The ECG beep volume of the rear panel speaker can be increased or decreased using the Volume buttons Set the volume to the desired level The recorder prints a continuous line at 30 BPM on the top grid of the strip chart paper The recorder prints the message FECG on the center margin of the strip chart paper after approximately 20 seconds Turn the simulator s Manual Adjustment knob to input an FECG signal of approximately 120 BPM Verify the following on the monitor The FHRI value is 120 BPM FHRI heartbeat indicator J flashes at a rate of 120 times per minute The ECG beep volume of the rear panel speaker can be increased or decreased using the Volume buttons Set the volume to the desired level The recorder prints a continuous line at 120 BPM on the strip chart paper Revision D 170 Series Monitor 6 7 2000947 004 Fun
40. the Monitors Cables to the ECG US TOCO Output posts on the PS320 Simulator Fetal Monitor C ps320 US1 amp Je 3 Switch ON the PS320 Fetal Simulator the default settings of the simulator is given below Default settings on the PS320 US 1 150 BPM static US 2 NORMAL FETAL ECG 150 BPM sensitivity 1uV MAT ECG 80 BPM sensitivity 1uV TOCO 00 sensitivity 5 uV 4 Use the front panel of the unit to Increase or decrease FETAL ECG rate and amplitude Increase or decrease MATERNAL ECG rate and amplitude Only for Coro 250 Series Select TOCO level and sensitivity Adjust display contrast 5 Press the Enter Key to confirm your selection 12 2 170 Series Monitor Revision D 2000947 004 Addendum 6 For additional and advanced information utilize the MAIN SUB and SCROLL keys below the display Front Panel FLOKE P3320 FETAL SIMULATOR FETAL fA ea Y awe A do eg Leg a TOGO rech ew j an DISPLAY EP EL A I La A a Make a selection from MAIN menu options FETAL ECG UTERINE ACTIVITY MATERNAL ECG FETAL PATTERNS AUXILIARY b Use the SUB key to look at the selection available within the MAIN selection c Use the SCROLL key to move back through the selections in the SUB menu d Press ENTER to confirm the selection and make the changes Note 1 The Fluke Simulator and its accessories except FECG Cable are orderab
41. the ultrasound envelope is processed for heart rate data The center frequency of the transmitted carrier 1s 1 151 MHz with a pulse repetition frequency of 2 kHz single or dual use When both ultrasound channels are being used Channel 1 completes a transmit receive cycle while Channel 2 is muted then Channel 2 completes a transmit receive cycle while Channel 1 is muted Programmable Array Logic PAL All functions of the pulsed Doppler ultrasound circuit are controlled by a PAL U50 Integrated circuit U48 latches the transmit and demodulator signals to prevent race conditions and phase jitter caused by the PAL USO Table 5 19 provides a summary of PAL outputs Figure 5 17 provides a block diagram of the ultrasound module 5 26 170 Series Monitor Revision D 2000947 004 Theory of Operation Main Board Theory of Operation Table 5 19 PAL Outputs Signal Name Signal Description TRANS_BURST Operates the Ultrasound Transmitter Ell US Channel is Active 43 Selects CH2 Track and Hold Circuit Selects CH1 Track and Hold Circuit US Channel 1 Transmitter Isolation Transformer i Input Pin 174 only US Channel 2 Diode Switching Pre Amplifier Demodulator CH2 Envelope Detector CH2 to Data Bus Demultiplexor Envelope Detector CH1 CH1 Telemetry Switch Telemetry Fetal Movement wem Detection Filter Figure 5 17 Ultrasound Module Block Diagram Telemetry Audio Control Lines
42. to account for this The 170 uses RJ 45 connectors to provide for future interface features 2 Access the monitor s service setup mode and set the baud rate to 2400 and the mode to ext FSpOz then exit the service setup mode 8 8 170 Series Monitor Revision D 2000947 004 Peripheral Devices RS 232 Connectors Table 8 2 External Device Summary External Device Parameter s at de 170 Series Mode dra Cable Cat Critikon Model 1846 1846SX NBP MN Ee E D n Annotations 1558AAO 10 feet Quantitative Sentinel System optional 1200 HP or HP w notes 1558BAO 20 feet 1557AAO 1 foot Nellcor N 400 FSpO2 2400 ext FSpOz 1557BAO 6 feet NOTE The interface cables can be used with both 120 2120is and 170 Series Monitors Although the 120 2120is uses 6 pin RJ 11 connectors and the 170 uses 8 pin RJ 45 connectors the latter is center keyed to account for this The 170 uses RJ 45 connectors to provide for future interface features Revision D 170 Series Monitor 2000947 004 Peripheral Devices RS 232 Connectors Model 115 Compatible Communications Protocols Two options provide backward compatibility so that the 170 Series Monitor can operate in a Model 115 compatible communication mode m 115 Update Mode The 115 Update mode outputs all available information and ignores requests from a host computer system m 115 Transmit Receive The 115 Transmit Receive mode only outputs data requested from a host computer syste
43. you will require one of two kits Refer to Table 7 11 and ensure you have the correct kit Unpack the kit and ensure it contains the items listed in Table 7 12 If something is missing contact your GE Service Representative immediately The text of the instruction sheet is repeated here for informational purposes Table 7 12 Packing List Transducer Case Top Flat Seal O Ring Sealing Screw 4 40 x 5 16 in EN Es Screw Cap Curved 4 Screw Cap Flat Belt Knob mE Screw Cap Extraction Tool a The belt knob is included in button style kits 2011680 001 only You will need the following equipment Phillips Head Torque Driver Loctite Adhesive 454 recommended Anti Static Wristband Static Free Work Surface Table 7 11 Kit Summary Nautilus Ultrasound Transducer Type and Cat No REF Loop Style Ultrasound Transducer 5700 KAX LAX MAX Button Style Ultrasound Transducer 5 00GAX HAX JAX Cable Kit Cat No REF 2011679 001 2011680 001 Revision D 170 Series Monitor 2000947 004 7 25 Serviceable Assemblies Nautilus Ultrasound Transducer Top Cover Replacement Procedure 1 Turn off the monitor 2 Unplug the transducer from the monitor 3 Use the screw cap extraction tool to pry off the five screw caps Refer to Figure 7 5 Discard all caps CAUTION HANDLING Take care not to damage the transducer base sealing groove 4 Remove the five sealing screws and discard 5 Remove the transducer cov
44. 0 BPM Set the FHR audio alarm to a level you can easily hear Press the Setup button to exit the setup mode Press the monitor s Record button Verify that the FHR high and low limits print in the annotation area of the strip chart paper Turn off the monitor s recorder Set the values on the PS320 Simulator according to Table below Set the PS320 simulator to input an US signal of 180 BPM as indicated on the monitor Verify that there is no alarm tone sounding from the monitor s speaker Set the simulator s value to input an US signal of 210 BPM as indicated on the monitor Verify the following on the monitor An alarm tone is emitted from the monitor s speaker alternating high low tones The Alarm indicator flashes The affected heart rate numerics flash 170 Series Monitor 2000947 004 12 11 12 12 Addendum 15 Press the monitor s front panel Alarm Silence pushbutton and verify that the alarm tone silences but the visual indications remain present 16 Set the simulator to input an US signal of 180 BPM Verify that the Alarm indicator goes out and the heart rate numerics stop flashing 17 Set the simulator to input an US signal of 120 BPM Verify that there is no alarm tone sounding from the monitors speaker 18 Set the simulator to input an US signal of 90 BPM After 30 seconds verify the following on the monitor e The alarm tone is emitted from the monitor s speaker e The Alarm indicator flashes e
45. 00336 P R China Tel 86 21 5257 4650 Fax 86 21 5208 2008
46. 004 15264DA TOCO CBL ASSY OB 5 LG WATERTIGHT MARKING CASE TOP TOCO WATERTIGHT CASE BOTTOM ASSY TOCO OB WATERTIGHT FLAT SEAL TOCO U S WATERTIGHT XDCR CABLE MOUNTING NUT TOCO US WATERTIGHT SCR 4 40 PH 5 16L W SEAL PHIL SS LL SCREW CAP WATERTIGHT SCREW CAP FLAT MARING WATERTIGHT SCUCERS SCR SET 2 56 1 8L OVAL PT SS ABDOMINAL STRAP GRAY WARNING TAG CABLES WATERTIGHT LBL CE CAUTION IP68 WATERTIGHT XDCR LABEL 2 25X 75 SELF LAM WHITE ACC PACKER PACK MATERIAL ST BAG AIRCAP 6 X 8 1 2 SHIPPING LBL 2264CAX WATERTIGHT XDUCERS LBL SHIP CRTN CE MARK VAR LOCTITE SUPERBONDE OIL SILICONE 3ML TUBE SHIPPING LBL 2264DAX WATERTIGHT XDUCERS 170 Series Monitor 2000947 004 11 17 Parts Lists 1509AAO BAO Qwik Connect Plus Legplate Assembly Parts List 1509 AAO BAO Qwik Connect Plus Legplate Assembly Parts List Table 11 9 1509AAO BAO Qwik Connect Plus Legplate Assembly Parts List cO CO N OQO O A Cc N 2000532 001 210227 210180 210181 210176 210183 210182 608048 605105 210179 210178 212133 210226 2000528 001 2002641 001 2000529 001 2000527 001 2000429 003 2000208 001 440011 2000595 001 410112 605106 2002357 001 13658AA CABLE STRAIN RELIEF 8 FEET CONTAC T MALE 24AVVG 16 5MM LG HALF SHELL W CLAMP 3 5MM CLAMP 3 7MM RING GRIPPER 3 5MM SCREW CLAMP M 2 6 X 10 SHRINK TUBING 1 4 BLK WIRE 24 STRANDED GRN HALF SHELL W TONGUE RING PLASTIC 21 8 X4 PLUG 12 CKT GREY BRN A D CONTACT MA
47. 06 410097 TAPE SHIPPING 3IN WIDE 4281CA LBL SERIAL UL APPV D 155 4281DA LABEL C UL HAZZARD TAG120 SERIES Revision D 170 Series Monitor 2000947 004 Parts Lists 2001972 037 Model 173 Final Assembly 2001972 037 Model 173 Final Assembly Table 11 3 Model 173 Final Assembly 2001972 037 cO co N Oo O A C N 2007385 001 15451AA 140173 15222AA 15212AA 152004 250096 11717AA 15207A 15224AA 15223AA 15231A 2000147 001 250099 2000222 001 15136A 15202AA 15201AA 2000133 001 15203AA 2000223 001 15204AA 2002433 001 281501 2000234 001 2000235 001 2000146 001 2000324 007 ENCL BOTTOM SHIELDED 170 SERIES COVER SPEAKER FOOT RUBBER 50D 26H BRG DRAWER PIN BEARING 170 ASSY ROLLER BEARING FLANGED 187 BORE ROLLER GEAR 120REC ASSY DRAWER WELDED SPACER DRAWER PLASTIC 9 CM PARTITION ASSY PCB SENSOR BOARD SENSOR INSULATOR 170 SERIES SPRING COMPRESSION 24 OD 38L SPRING CPRSN 3 OD 022WIRE SS MOTOR STEPPER ASSY MOUNT MOTOR PLATE PC MOUNTING PRINTHEAD 8 DOTS MM 216MM WIDE PLATE HEAD MOUNTING SPRING CPRSN 56L 240 OD 024 WIRE BRACKET HEADSTOP STANDOFF 1 4 HEX SWAGE 4 40 NUT HEX 4 40 3 32 X 1 4 CABLE ASSY RIBBON RECORDER 170 SERIES CABLE ASSY SPEAKER WIRE 170 SERIES CLIP GROUND PCB ASSY MAIN FECG PRS COMP V3 20 173 170 Series Monitor 2000947 004 Revision D Parts Lists 2001972 037 Model 173 Final Assembly Table 11 3 Model 173 Final Assembly 200
48. 1972 037 Continued 284105 284072 284285 289516 2000220 001 2000221 001 2001894 001 15301A 15461AA 2004993 002 15323AA 15324CA 14943AA 2000178 001 2000359 001 2000246 001 15287AP 2003930 001 284031 608030 608036 T114AAT 2000890 001 2000891 001 2000892 001 2000893 001 410010 2000555 001 410066 SCREW 4 PH 1 4L THD FORM SCR 4 40 PH 5 16L PHL LL STRIP SCR 4 40 FH UNDERCUT 3 16 PHIL 2PS NYLON PATCH SCR M3X5 PH PHIL ZP W NYLOK PATCH SCR PH 2 1 2L PHIL ZPS PLASTITE SCR 4 PH 1 4L TYPE F PHIL ZPS SPRING FRONT GROUND 173 ASSY PCB DISPLAY BOARD GASKET REAR PANEL PAD PRINT TOP COVER MODEL 173 KYBD MEMBRANE US2 LABEL DISPLAY OVERLAY FECG MODEL 173 CLIP SPEAKER ACCESS HOME MONITOR PLUG CALL LIGHT STANDOFF M F 440 1IN LG ALUM PLUG TELEMETRY PCB ASSY FECG UA BOARD PURCH LABEL REAR PANEL 170 SERIES SCR 4 40 BH 1 4 LG SLTD N YLON CABLE MOUNT ADHESIVE BACK TYRAPS CABLE TIES POWER SUPPLY 12V 30W EXTERNAL SUPPLY PACKAGING RIGHT CAP 170 SERIES PACKAGING LEFT CAP 170 SERIES PACKAGING BOXES 170 SERIES PACKAGING SLOTTED TRAY 170 SERIES PACKING LIST ENVELOPES SHLD SPEAKER 170 POLY BAG 23X26X 006 Revision D 170 Series Monitor 2000947 004 Parts Lists 2001972 037 Model 173 Final Assembly Table 11 3 Model 173 Final Assembly 2001972 037 Continued 410097 TAPE SHIPPING 3IN WIDE 4281DA LABEL C UL HAZZARD TAG120 SERIES LABEL SERIAL NUMBER UL 8 MODEL
49. 232 COMMUNICATIONS 2 Access the monitor s service setup mode and set the baud rate and mode to either HP or HP w notes mode respectively then exit the service setup mode Revision D 170 Series Monitor 8 7 2000947 004 Peripheral Devices RS 232 Connectors Nellcor Puritan Bennett Model N 400 Fetal Pulse Oximeter Through this interface FSpO readings provided by an NPB Model N 400 are printed every five minutes on the strip chart paper of the 170 Series Monitor The reading 1s printed in the annotation area between the top and bottom grids A solid diamond marker above the data marks the time of the reading and identifies the data source as an external device The following is an example annotation FSpO2 47 In addition the FSpO data is trended on the bottom grid of the strip chart paper as a beaded trace The trend uses a 0 100 scale Refer to Figure 8 1 t FSpO2 47 9 00 US VM US22 TOCO FSp02 3 CM MIN 10099 SpO2 Figure 8 1 FSpO2 Data Example To connect the Model N 400 1 Using interface cable catalog number REF 1557AAO BAO connect one end to an available RS 232C port on the 170 Series Monitor connect the other end to the Serial Communications port on the pulse oximeter NOTE This cable can be used with both 120 2121 s and 170 Series Monitors Although the 120 2120is uses 6 pin RJ 11 connectors and the 170 uses 8 pin RJ 45 connectors the latter is center keyed
50. 264 GAXIHAXIJAXIRAXILAXIMAX Cable Nut Set Screw Green Wire Shield es CEL Clear Wire Gen Center Conductor Green Wire K Ground gt A Ultrasound Transducer Figure 7 6 Nautilus Transducers Cover Removed 7 16 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Nautilus Transducer Cable Replacement Procedure 1 Unplug the transducer from the monitor or telemetry transmitter 2 Use the screw cap extraction tool to pry off the five screw caps Figure 7 5 Discard all caps CAUTION HANDLING Take care not to damage the base sealing groove 3 Remove the five sealing screws and discard 4 Remove the transducer cover and flat seal o ring Discard both items 5 Remove the cable connector according to the transducer type Figure 7 6 Tocotransducer a Ifthe PC board header is on the underside of the board 2264 GAX HA X JAX KAX LAX MAX only remove the three self tapping screws from the board to gain access Set aside screws b Observe the orientation of the cable connector in the PC board header then unplug Ultrasound Transducer a Unscrew the green cable ground wire from the PC board Set aside screw b Unsolder the green and clear cable wires from the PC board 6 Loosen the cable nut set screw then unscrew the cable from the cable nut Set aside screw and cable nut 7 Remove the cable from the transducer base CAUTION CABLE HANDLING Do not place undu
51. 30 Nautilus Transducer Reassembly 7 32 Testing a Repaired Transducer TOCO or US 7 34 Replacing the Main Board ccc cece eee eee eee eens 7 35 Replacing the FECG IUP Board 1 36 Replacing the Membrane Switch Panel 1 37 Replacing a Front Panel Connector 00 ccc cee eee eee ees 7 40 SEFVICING the Recorde ii aa dita ar A CR ac A 7 41 BOOt ROM len TEE 7 49 Peripheral Devices 0 1 Remote Marks Connectors cece cece eee nnn nn 0 2 Telemetry Connector ati AE d aci EORR 1004 86804 a RC i e aa 0 3 Ro 252 CONNECTIONS MEC 9 4 Maintenance 0 ccc cece eee eee 9 1 Cleaning AAA A fo a da Ed ey ee da A Ets 9 2 Preventative Maintenance Inspection 9 5 Revision D Corometrics 170 Series 2000947 004 1 0 Specifications 2 2 4 8 e 00 Ani are added 10 1 11 General MONO och DUE EA E rM RE TUER Mte RUE RE TR 10 2 Operating MOSS xor ac ed el ET pd ao url 10 3 Strip Chart Recorder ive vb bot o rat iesu vito s d Ear E 10 4 Parte LISIS e uu m ERE a 11 1 2000268 188 Model 171 Final Assembly 44 4 11 2 2000268 189 Model 172 Final Assembly 44 44 4 4 11 5 2001972 037 Model 173 Final Assembly 44 444 4 11 8 2001972 038 Model 174 Final Assembly 44 44 4 4 11 11 2264AAX Button Style Nautilus Tocotranducer Assembly Parts List 11 14 5700GAX Button
52. 4 9 35 Theory of Operation FECG IUP Board Theory of Operation FECG IUP Board Theory of Operation Isolated Power Supply Patient isolation for the FECG and the IUP catheter is accomplished by providing floating power supplies to power the FECG and IUP front end electronics Integrated circuit Ul2 provides non overlapping drive signals to dual FET U9 which in turn drives the primary of transformer T1 Resistor R94 and capacitor C12 provide dampening for the primary of T1 so as to limit the voltage at the drains of U9 to a level below their breakdown voltage The frequency at which the primary of T1 is switched is 35968 75 Hz which is derived by dividing the signal 144 kHz by four The actual frequency of this signal is 143875 Hz and is derived from the PAL U50 in the ultrasound circuit Thus the transformer switching frequency is synchronized to the ultrasound circuit The secondary of transformer T1 drives rectifiers D9 and D10 These rectifiers are filtered by C8 and C10 for the positive power supply and by C9 and C11 for the negative power supply Integrated circuit U3 and its associated components provide a regulated positive voltage 10 V for Model 173 9 3 V for Model 174 while integrated circuit U4 provide a regulated negative voltage 10 V for Model 173 9 3 V for Model 174 Integrated circuit U1 is a positive precision 2 5 volt reference The output of U1 1s input to the non inverting input of amplifier U2 pin 3 The outp
53. 4 11 4 8 170 Series Monitor Revision D 2000947 004 Setup Procedures Monitor Self Test Routines 4305CAO GE MEDICAL SYSTEMS PAGES REMAING HR Scale TESTARE ALLDOTS PRINTED Figure 4 11 Recorder Test Revision D 170 Series Monitor 2000947 004 4 9 Setup Procedures Customizing the Monitor Customizing the Monitor User Setup Mode The monitor includes a user setup mode where you can 4 Service Setup Mode enable disable alarm functionality set the high alarm limit for the fetal heart rate set the low alarm limit for the fetal heart rate set the alarm volume set the time and date The monitor includes a service setup mode where you can access all user setup modes as well as the following 9 999999 enable disable fetal movement detection 1f purchased and installed select the language for printing on the strip chart paper set the chart speed select the paper scale choose a communication mode for each rear panel communications port set the baud rate for each communications port select the remote mark annotation style enable disable fetal heart rate offset Models 172 173 and 174 only enable disable ECG artifact elimination Models 173
54. 4 AWG Green Wire Figure 7 1 Tocotransducer Cable Preparation Table 7 3 Tocotransducer Cable Wiring te ecto cae ag 0 CI DS me me e wer II wer DS RN E EEN m DS o oo m DS EE IE DS EE ei mn IT 7 6 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits Ultrasound Transducer Cable Preparation Refer to Figure 7 2 and Table 7 4 while following these steps l 10 11 12 13 14 15 16 Cut 24 AWG green wire not supplied to 1 1 inches long and strip each end l4 inch This will be used as a jumper wire Cut 24 AWG green wire to 4 inches long and strip each end inch Route the transducer cable through the gripper Slide the gripper followed by the retaining ring down the cable until they are out of the way Score around grey jacket of cable 1 inch Peel and remove jacket Pull back the outer braided shield and twist into pigtail Solder the 4 inch prepared green wire to the outer shield wrapping the 34 inch strip onto shield Cut wire flush with other conductor s of cable Retain remaining piece of wire for inner shield This step varies according to the ultrasound transducer type Standard Ultrasound Transducer This cable is a dual coaxial cable Cut off black coaxial cable and fillers flush to jacket Nautilus Ultrasound Transducer This cable is a single coaxial cable Trim fillers flush to jacket Score around the white ja
55. 70 Series Monitor Revision D 2000947 004 Setup Procedures Customizing the Monitor Table 4 3 Summary of Service Setup Codes OPA Setting Or Value Code Description Primary FHR Display ECG artifact elimination 173 174 only 0 off 1 on heartbeat coincidence 172 173 174 only 0 off 1 on 0 off fetal movement enable disable 1 on if option installed 0 English 1 Spanish 2 German language 3 French 4 Japanese 5 Italian 6 Swedish 7 Dutch 8 Portuguese 9 Chinese chart speed 121 2 2 3 3 cm min 0 HP 1 HP w notes communications mode port 1 2 2 ext BP 3 factory test 4 ext FSpO2 9 115 update 6 115 transmit receive baud rate port 1 2 300 600 1200 2400 j 4800 9600 19200 38400 port 1 2 remote mark annotation style 0 FM 1 arrow 50 CE 1 Revision D 170 Series Monitor 2000947 004 Setup Procedures Customizing the Monitor Table 4 4 Summary of Factory Defaults Setup Option Hospital Clinic Setting FHR High Alarm Limit FHR Low Alarm Limit FHR Alarm Volume Eastern Standard Time or Daylight Time Date Saving Time whichever is applicable ECG Artifact Elimination Models 173 and 174 only Heartbeat Coincidence off Models 172 173 and 174 only Fetal Movement Detection if purchased and installed set according to shipping Recorder Speed United Gier 3 cm min International 1 cm
56. 72 173 and 174 use the leftmost set of volume controls 4 Repeat steps 2 and 3 until all settings are configured 5 Press the Setup button to exit the setup mode Exiting the user setup mode returns to the monitoring mode exiting the service setup mode turns the monitor to standby 4 12 170 Series Monitor Revision D 2000947 004 Setup Procedures Customizing the Monitor NOTE If you press the Power button WW to exit the setup mode user or service any changes you made will not be stored in memory in order for changes to NOTE You must exit by pressing the Setup button take effect NOTE If an alarm is in progress when you exit the user setup mode any changes to an alarm setting do not take effect until the alarm condition is resolved Table 4 2 lists the available settings for the user setup mode Table 4 3 lists the available settings for the service setup mode Table 4 4 provides a summary of the factory default settings for both the user and service setup options Revision D 170 Series Monitor 2000947 004 4 13 Setup Procedures Customizing the Monitor Table 4 2 Summary of User Setup Codes Code UA Display Setting or Value Primary FHR Display Code Description FHR High Alarm Limit FHR Low Alarm Limit 0 Minutes time setting wech 12 Day of Month date setting 1 31 day 13 Month date setting 1 12 month 14 Year date setting 00 99 year 4 14 1
57. 947 004 Serviceable Assemblies Boot ROM Error Codes For your notes Revision D 170 Series Monitor 7 45 2000947 004 lapter 8 Peripheral Devices The 170 Series Monitor allows connection to optional peripheral equipment This section discusses the following Remote Marks ConnectorS 8 2 Telemetry COMMECION An gr ERA ene be S bri ANEN es 8 3 8 4 RS 232 Connectors Lec suos Puce gue ga dr e NER a Revision D 170 Series Monitor 2000947 004 8 1 Peripheral Devices Remote Marks Connectors Remote Marks Connectors Remote Mark Fetal Acoustic Stimulator This receptacle is provided for connection to a Corometrics Model 146 Fetal Acoustic Stimulator Remote Mark Remote Event Marker 1 This receptacle is provided for connection to an optional Corometrics Remote Event Marker A Corometrics Remote Event Marker is used to annotate the strip chart recorder paper with a mark The printed mark can be configured as t commonly used to record an event or it can be configured as 1 commonly used as an indication that the mother has perceived fetal movement The monitor is factory set with the mark configured as 1 Refer to Customizing the Monitor on page 4 10 for more information on selecting the mark Refer to the instructions accompanying the Remote Event Marker for more information about using the accessory 8 2 170 Series Monitor Revision D 2000947 004 Pe
58. C45 The input impedance of these inputs is 10 kQ thus producing a high pass filter at 72 Hz A tone 1s also one of the inputs to U10 through a high pass filter at 15 Hz and a gain reduction of 21 dB The components comprising the filter are C47 and R223 U10 is a quad digital potentiometer with 255 step producing a gain range from 0 to 48 dB It is controlled by the serial peripheral interface SPI system bus Ultrasound Audio Ultrasound audio Channel 1 and Channel 2 is output on U10 pin 8 and U10 pin 4 respectively These outputs are buffered by U11 pin 7 and U11 pin 8 respectively The buffered outputs are high pass filtered at 80 Hz by C57 R236 and C58 R237 They are then half wave rectified by U13 pin 8 and its associated components The output of the rectifier 1s band pass filtered from 43 to 260 Hz at a gain of 7 3 by U13 pin 1 and its associated components This effectively doubles the frequency which is necessary because the transducer operates at a low RF frequency 1 151 MHZ and the frequencies produced from the fetal heart would not produce acceptable audio quality The output of U13 pin 1 1s input to summing amplifier U11 pin 14 The tone output of U10 pin 18 is also summed by U11 pin 14 which is a low pass filter at 2600 Hz with a slope of 12dB octave The output of U11 pin 14 is high pass filtered at 72 Hz by C52 R231 to the audio power amplifier The audio power amplifier U12 is a bridge type confi
59. Corometrics21 70 Series SERVICE MANUAL MANUAL P N 2000947 004 REV D GE Medical Systems Information Technologies gemedicalsystems com Corometricse 170 Series SERVICE MANUAL MANUAL P N 2000947 004 REV D GE Medical Systems Information Technologies gemedicalsystems com GUARANTEE All equipment sold by GE Medical Systems Information Technologies 1s fully guaranteed as to materials and workmanship for a period of 1 year Information Technologies reserves the right to perform guarantee service operations in its own factory at an authorized repair station or in the customer s installation Our obligation under this guarantee 1s limited to repairing or at our option replacing any defective parts of our equipment except fuses or batteries without charge 1f such defects occur in normal service Claims for damage in shipment should be filed promptly with the transportation company All correspondence covering the instrument should specify the model and serial numbers GE Medical Systems Information Technologies A GE Medical Systems Company GE Medical Systems Information Technologies will make available on request such circuit diagrams component diagrams component parts lists descriptions calibration instructions or other information which will assist the users or appropriately qualified technical personnel to repair those parts of the equipment which are classified by GE Medical Systems Information Tech
60. IDENTIFICATION Identify each cable as it is stripped since colors will be difficult to determine once the sleeving contracts HEAT Avoid excess heat when tinning ends and soldering braids since the polyethylene inner insulation melts very easily 10 Slide shrink tubing over cable 11 Locate the grounding contact pin longer pin in the kit Solder this pin to one end of the blue jumper wire 12 Solder a short pin to the blue wire and the free end of the blue jumper wire Both wires share this pin 13 Solder a short pin to each of the other conductors 14 Continue with Plug Assembly on page 7 13 7 10 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits 26 AWG Green Wire Figure 7 3 FECG Cable Preparation Revision D 170 Series Monitor 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits Table 7 5 FECG Cable Wiring Cm Siem i n m A a I DS LL IC EI o REES m DS o oS ICI EI EC 7 12 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits Plug Assembly 6 Pin Housing 10 Plastic Ring 4 Ground Pin 5 Circuit Contact Pins Refer to Figure 7 4 while replacing a transducer plug Note that the strain relief clamp 3 orientation 1s different between tocotransducers and all other transducers ultrasound FECG In addition the Oetiker clam
61. LE 24AWOG 18MM L G COVER INTERFACE CABLE O RING 101 ID 070THK 7ODUR SILICONE PIN COAX RECEPTACLE CABLE BASE INTERFACE PCB LEG PLATE BD SPRING WIRE LEG PLATE SNAP 125 STUD LABEL 2 25X 75 SELF LAM WHITE LABEL SHIPPING FOR 1590AAO BAG AIRCAP 6 X 8 1 2 WIRE 24 STRANDED BLUE SPACER SPRING QWIK CONNECT PLUS LABEL CE MARK ACCESSORIES WATERPROOF 11 18 170 Series Monitor 2000947 004 Revision D Parts Lists 2000268 188 Model 171 Final Assembly Availability Corometrics Series 170 Model 171 172 173 174 Corometrics Series 170 Power Supply MAA Orderable Corometrics Series 170 Switches Connectors Screws to fix the connectors to the mainboard NS Corometrics Series 170 Repair Kit Nautilus Transducer Cable Cable Revision D 170 Series Monitor 11 19 200094 7 004 Parts Lists 2000268 188 Model 171 Final Assembly Corometrics Series 170 Housing Parts 2004993 003 Top Cover for Model 171 Please order also bottom Cover 200240 001 The new Top Cover does not fit 2004993 001 PAD PRINT TOP COVER MODEL 172 2004993 002 Top Cover for Model 173 Please order also bottom Cover 200240 001 The new Top Cover does not fit 2004993 004 Top Cover for Model 174 Please order also bottom Cover 200240 001 The new Top Cover does not fit 2007385 001 ENCL BOTTOM SHIELDED 170 SERIES 15451AA COVER with SPEAKER Corometrics Series 170 Miscellaneous Parts 2000235 001 Speaker Cable Assy 15461AA Gasket on Rear Pane
62. Mains to Patient gt 4 RVAC Ultrasound Mode Technique Pulsed Doppler with autocorrelation processing Transducer Type 9 crystal Pulse Repetition Frequency 2 kHz all modes Pulse Duration 92 us Transmitter Frequency 1 151 MHz Spatial Average Temporal Average Isata lt 5 mW cm Intensity Focal 20 dB Beam Area 16 6 cm2 ata range 7 cm Peak Instantaneous Intensity 1 8 mWicm Peak Negative Acoustic Pressure p lt 10 0 kPa Heart Rate Counting Range 90 210 BPM Leakage Current Complies with IEC 60601 2 49 2 Uterine Activity Mode Strain Gauge Tocotransducer Range 0 100 mmHg 0 100 relative units Resolution 1 mmHg 1 relative unit Bandwidth de to 3Hz dc to 0 5 Hz Excitation Voltage 4 0 Vdc Zero Set Temperature Drift lt 0 1 mmHg C 0 013 kPa C excluding transducer Leakage Current Complies with IEC 60601 2 49 Revision D 170 Series Monitor 10 3 2000947 004 Specifications Strip Chart Recorder Strip Chart Recorder Heart Rate Scale Domestic International Chart Width T cm 8 cm Scaling 30 BPM cm 20 BPM cm Range 30 240 BPM 50 210 BPM Resolution 1BPM 1 BPM Uterine Activity Scale Strain Gauge Tocotransducer Chart Width 4 cm 4 cm Scaling 25 mmHg cm 25 relative units cm Range 0 100 mmHg 0 100 relative units Resolution 1 mmHg 1 relative unit Recorder Drive Speeds 1 2 and 3 cm min Speed Accuracy 1 NOTE Specifications are subject to change without notice 10 4 170 Se
63. NDBY button toggles between full power and standby CAUTION AC MAINS The On Standby switch does not disconnect the monitor from AC mains power To completely remove power you must disconnect the power cord from the AC wall outlet 1 11 170 Series Monitor Revision D 2000947 004 Introduction This section lists the indications for use for monitors in the 170 Series as well as provides an explanation of the different patient monitoring modalities This section summarizes the clinical applications of monitors in the 170 Series Indications TOUS comimos daa d ac ea de don 2 2 Monitoring Methods ius rta RES riedi eke iira 2 3 0 aa mt ea iai E aa E Sri Ga ad E A 2 4 About Your NIORHOE EEN 2 5 Revision D 170 Series Monitor 2000947 004 2 1 Introduction Indications for Use Indications for Use Models 171 and 172 Models 173 and 174 Models 171 and 172 Fetal Monitors are indicated for use in the monitoring of the fetus during the antepartum period as well as throughout labor and delivery Each monitor also has an optional monitoring mode to detect fetal body movements Models 173 and 174 Fetal Monitors are indicated for use in the monitoring of the fetus throughout labor and delivery Each monitor also has an optional monitoring mode to detect fetal body movements 2 2 170 Series Monitor Revision D 2000947 004 Introduction Monitoring Methods Monitoring Methods Fetal Heart Rate The followin
64. NUMBER 408230 008 LABEL CE MARK 160019 SEALANT MED BLUE 2000741 001 LABEL TRANS 8 STOR COND 170 SERIES 4281EA 11 10 170 Series Monitor 2000947 004 Revision D Parts Lists 2001972 038 Model 174 Final Assembly 2001972 038 Model 174 Final Assembly Table 11 4 Model 174 Final Assembly 2001972 038 beggen EN cO co N Oo O A C N 2007385 001 15451AA 140173 15222AA 15212AA 152004 250096 11717AA 15207A 15224AA 15223AA 15231A 2000147 001 250099 2000222 001 15136A 15202AA 15201AA 2000133 001 15203AA 2000223 001 15204AA 2002433 001 281501 2000234 001 2000235 001 2000146 001 2000973 005 ENCL BOTTOM SHIELDED 170 SERIES COVER SPEAKER FOOT RUBBER 50D 26H BRG DRAWER PIN BEARING 170 ASSY ROLLER BEARING FLANGED 187 BORE ROLLER GEAR 120REC ASSY DRAWER WELDED SPACER DRAWER PLASTIC 9 CM PARTITION ASSY PCB SENSOR BOARD SENSOR INSULATOR 170 SERIES SPRING COMPRESSION 24 OD 38L SPRING CPRSN 3 OD 022WIRE SS MOTOR STEPPER ASSY MOUNT MOTOR PLATE PC MOUNTING PRINTHEAD 8 DOTS MM 216MM WIDE PLATE HEAD MOUNTING SPRING CPRSN 56L 240 OD 024 WIRE BRACKET HEADSTOP STANDOFF 1 4 HEX SWAGE 4 40 NUT HEX 4 40 3 32 X 1 4 CABLE ASSY RIBBON RECORDER 170 SERIES CABLE ASSY SPEAKER WIRE 170 SERIES CLIP GROUND PCB ASSY MAIN FECG PRS DUAL U S 174 Revision D 170 Series Monitor 2000947 004 11 11 Parts Lists 2001972 038 Model 174 Final Assembly Tabl
65. Phase 3 Motor Phase 4 5 Volts for Motor E No Connection Motor Phase 2 Motor Phase 1 Output 5 Volts for Motor Table 5 4 Recorder Sensor Connector Signal Type Signal Name Relative to Signal Description Main board el rie MISCOL Input Paper Misload Sensor Collector MISLED Output Paper Misload Sensor LED Voltage GND Output Ground for Sensor NC No Connection OUTCOL Input Paper Out Sensor Collector OUTLED Output Paper Out Sensor LED Voltage GND Output Ground for Sensor DOOR Input Door Switch Input GND Output Ground for Door Switch Revision D 170 Series Monitor 2000947 004 Theory of Operation Functional Overview Table 5 5 RS 232 Connector 1 nor stamos ICI e TEC nm CN me Sonn nl me Segen rm ECN O mas Table 5 6 RS 232 Connector 2 Signal Ground Transmit Data Output from Monitor Clear to Send Input to Monitor Figure 5 3 RJ 45 Connector facing the rear panel from the outside 5 6 170 Series Monitor 200094 7 004 Revision D Theory of Operation Functional Overview Table 5 7 Speaker Connector Pin Number Signal Name Signal Description SPKR LO Speaker Low Side Connection SPKR HI Speaker High Side Connection Table 5 8 Remote Mark Connectors Remote Event Marker and Fetal Acoustic Stimulator Pin Number Signal Name Signal Description IC Tip Remote Event Marker or Fetal Acoustic Stimulator Figure 5 4 Remote Mark Connectors Revision D
66. RAE ARE AS Se gt OY REEL ARIS ES PEF SO eA gt RA ERA o UPOZORENJE Ovaj servisni prirucnik dostupan je na engleskom jeziku HR Ako davatelj usluge klijenta treba neki drugi jezik klijent je duzan osigurati prijevod Ne poku avajte servisirati opremu ako niste u potpunosti pro itali i razumjeli ovaj servisni priru nik zanemarite li ovo upozorenje mo e do i do ozljede davatelja usluge operatera ili pacijenta uslijed strujnog udara mehani kih ili drugih rizika obslu n ho person lu nebo pacient vlivem elektrick ho proudu respektive vlivem mechanick ch i jin ch rizik ADVARSEL Denne servicemanual findes kun p engelsk DA Hvis en kundes tekniker har brug for et andet sprog end engelsk er det kundens ansvar at s rge for overs ttelse Fors g ikke at servicere udstyret uden at l se og forst denne servicemanual Manglende overholdelse af denne advarsel kan medf re skade p grund af elektrisk st d V STRAHA Tento provozn n vod existuje pouze v anglick m jazyce CS e V p pad e extern slu ba z kazn k m pot ebuje n vod v jin m jazyce je zaji t n p ekladu do odpov daj c ho jazyka kolem z kazn ka Nesna te se o dr bu tohoto za zen ani byste si p e etli tento provozn n vod a pochopili jeho obsah V p pad nedodr ov n t to v strahy m e doj t k poran n pracovn ka prodejn ho servisu mekanisk eller anden fare for teknikeren operat ren
67. Re connect the AC adapter cord to the monitor and turn on the monitor 7 Measure the voltage across R562 and record the value 8 Turn off the monitor 9 Attach a 30 Q 20 W 5 resistor across R562 10 Turn on the monitor 11 Adjust potentiometer R507 until the voltage across R562 is 0 5 V less than the voltage recorded in step 5 12 Turn off the monitor and remove the voltmeter leads and the 30 Q resistor Revision D 170 Series Monitor 1 37 2000947 004 Serviceable Assemblies Servicing the Recorder Aligning the Printhead Equipment Required Phillips screwdriver Vernier caliper Printing a Continuous Test Pattern Il Re connect the AC adapter cord to the monitor 2 Access the service setup mode press and hold the Setup button gg press and hold the blue Power button release both buttons 3 Use the Volume buttons WE or 7 to change the number in the UA display to 100 On Model 172 Monitors use the left set of volume controls 4 Press the UA Reference button amp to activate the FHR display and start printing the test pattern See Figure 7 14 5 Follow the instructions under Left Right Alignment and Front Back Alignment automatically turns to standby 6 Press the Setup button gg to exit the service setup mode The monitor Front Back Alignment 1 Follow the instructions for Adjusting the Printhead Current on page 7 42 2 Print the recorder test patter
68. Revision D 170 Series Monitor 5 25 2000947 004 Theory of Operation Main Board Theory of Operation Ultrasound Module Model 171 and Model 173 Monitors contain a single ultrasound channel board Model 172 and Model 174 Monitors contain a dual ultrasound channel board The theory contained in this section references the dual ultrasound board but is applicable to the single ultrasound board as well Overview The ultrasound circuitry is a dual channel pulsed Doppler system with Channel 1 and Channel 2 Each channel generates a 1 151 MHz center frequency pulsed carrier signal This signal carrier causes the crystals in the transducer to emit ultrasonic waves When these sound waves enter the maternal abdomen they create echoes when encountering an interface between tissues of differing acoustic impedance If the interface 1s moving either toward or away from the ultrasound transducer the frequency of the reflected sound differs from the frequency sent from the transducer Isolation Transformer Model 174 Monitors have an isolation transformer for US Channel 1 signals since the connector is shared with the FECG Channel Ultrasound Transducer When the reflected sound wave is received by the transducer crystals it is converted to an electrical signal After being amplified detected and filtered this signal is split into two paths ultrasound audio and ultrasound envelope The audio signal is amplified for driving the speaker while
69. S may be designed to alarm when there is no fetal heart rate signal Therefore it is recommended that you unplug the ultrasound transducer s from the monitor when not in use to eliminate false alarms Revision D 170 Series Monitor 3 9 2000947 004 Controls Indicators and Connectors Front Panel Connectors Model 173 Connectors Figure 3 4 Model 173 Connectors Da Ultrasound Connector The ultrasound connector is a blue round receptacle mechanically keyed to accept only a Corometrics ultrasound transducer plug The fetal heart rate derived from this transducer shows in the primary fetal heart display Aw FECG Connector The FECG Seege is a dark grey round receptacle mechanically keyed to accept a Corometrics FECG cable legplate plug The fetal heart rate derived from the spiral electrode displays in the secondary fetal heart rate display Te Uterine Activity Connector The uterine activity connector is a white round receptacle mechanically keyed to accept a Corometrics tocotransducer a Corometrics strain gauge transducer plug or any intrauterine pressure catheter with compatible cable plug The uterine activity value obtained from this transducer shows in the uterine activity display l Ifthe Model 173 is interfaced to a clinical information system CIS be aware that the CIS may be designed to alarm when there is no fetal heart rate signal Therefore it is recommended that you unplug the ultrasound and or FECG t
70. Style Nautilus Ultrasound Transducer Assembly Parts List 11 15 5700KAX Loop Style Nautilus Ultrasound Transducer Assembly Parts List 11 16 2264DAX Loop Style Nautilus Tocotransducer Assembly Parts List 5 ft cord 11 17 1509AAO BAO Qwik Connect Plus Legplate Assembly Parts List 11 18 Block Dilara S iaa 11 19 Addendum to use PS320 Simulator 12 1 Corometrics 170 Series Revision D 2000947 004 Satety The information presented in this section is important for the safety of both the patient and operator and also serves to enhance equipment reliability This chapter describes how the terms Danger Warning Caution Important and Note are used throughout the manual In addition standard equipment symbols are defined This section includes the following important information General Information 6 4 ii EEN rh Rd a dea as 1 2 Definitions of Terminology EEN 244045 RR es 1 3 Monitor Contraindications Warnings and Precautions 1 4 Equipment o on debi une dh EE be hed eed Chee as 1 9 Revision D 170 Series Monitor 2000947 004 1 1 Safety Revision History Revision History 1 2 Each page of this manual has a revision letter located at the bottom of the page This letter identifies the revision level of the entire manual This may be important if you have different manuals and you do not know which is the most current For the initial r
71. The affected heart rate numerics flash 19 Press the monitors front panel Alarm Silence pushbutton Verify that the visual and audio alarm indications disappear 20 Set the simulator to input an US signal of 120 BPM Verify that the Alarm indicator goes out and the heart rate numerics stop flashing 21 Set the simulator to input an US signal of 90 BPM to set off the alarm one more time It will take 30 seconds for the alarm to appear 22 Set the simulator to input an US signal of 120 BPM Verify the following on the monitor e The alarm tone continues sounding e The Alarm indicator stops continuous flashing e The affected heart rate numerics continue flashing 23 Press the monitor s front panel Alarm Silence pushbutton Verify that the visual and audio alarm indications disappear 24 This concludes the functional checkout procedure 170 Series Monitor Revision D 2000947 004 GE Medical Systems Information Technologies gemedicalsystems com World Headquarters Wipro GE Healthcare Private Limited No 4 Kadugodi Industrial Area Bangalore 560 067 Karnataka INDIA Tel 1414 355 5000 1 800 558 5120 US only Fax 1414 355 3790 European Representative GE Medical systems SCS 283 Rue de la Mini re 78530 BUC FRANCE CE 0459 Asia Headquarters GE Medical Systems Information Technologies Asia GE China Co Ltd 24th Floor Shanghai MAXDO Center 8 Xing Yi Road Hong Qiao Development Zone Shanghai 2
72. U21 and RS 232 transceivers U19 and U20 The baud rate frequencies are generated from crystal X3 3 6864 MHz Two of the RS 232 channels are used for external communications while the remaining two provide spare internal channels Each channel has four ports for RTS CTS general input output Both external channels support the RTS CTS lines Transceivers Ul9 and U20 convert the UART 3 V digital communications lines to RS 232 levels 7 V typically for transmission and 7 V RS 232 levels to 3 V levels for reception RJ 45 connectors J7 and J8 provide center connection compatibility to the 6 pin RJ 11 connectors found on the 120 Series Maternal Fetal Monitors The 170 Series uses the larger 8 pin connectors to provide fused power for future interfacing Each channel has shunt 1000 pF shunt capacitors for emissions 100 2 series resistors and clamp devices D6 and D7 for ESD protection Figure 5 15 provides a block diagram of the communications module TXD RTS RS 232 Line RXD CTS Transceivers to Data Bus Channel 1 to Rear Panel TXD RTS RS 232 Line RXD CTS Transceivers toRear Panel QUAD UART Channel 2 Miscellaneous Inputs Miscellaneous Outputs Figure 5 15 Communications Module Block Diagram Revision D 170 Series Monitor 5 23 2000947 004 Theory of Operation Main Board Theory of Operation Recorder Interface Module The recorder interface consists of motor cont
73. Upgrade 4 20 Revision D 170 Series Monitor 2000947 004 4 1 Setup Procedures Loading Strip Chart Paper Loading Strip Chart Paper The required paper for use with the 170 Series Monitor 1s m catalog number REF 4305AAO CAO HR scale of 30 240 BPM or m catalog number REF 4305BAO DAO HR scale of 50 210 BPM CAUTIONS LOADING PAPER The instructions for loading paper into a 120 or 170 Series Monitor are different than the instructions for loading paper into other Corometrics monitors with which you may be familiar Improper loading can cause paper jams Follow the instructions carefully PAPER TYPE Do not use non Corometrics paper or paper designed for use with other Corometrics monitors Using paper other than catalog number REF 4305AAO BAO CAO DAO may produce inferior print quality could result in permanent damage to the recorder s print head and may void your warranty STORAGE TRANSPORT Paper should be installed in the monitor o strip chart recorder at all times This reduces particle build up on the printhead and facilitates opening the recorder door To protect against paper jams the 170 Series recorder contains a paper loading sensor which detects if the paper has been incorrectly loaded When the recorder detects a paper load error condition m the recorder will not print m the Record indicator flashes on and off every second and B three short beeps low t
74. a byte 1s 4 34H This data is transmitted four times per second Fetal movement detection circuitry is an option which can be purchased for the 170 Series Monitor m Recorder Status This field contains one ASCII character representing the current status of the PAPER OUT signal low or high If the data byte is a 0 30H then the signal is low indicating paper is loaded and the recorder door is closed if the data byte is 1 31H then the signal is high indicating a paper out condition This data is transmitted once per second when active End of Text This 1 byte field contains the value 03H If this byte is sent immediately following the Monitor ID then the 170 Series Monitor will cancel transmission of all data Limitations The only restriction on the information transmitted during either 115 communication mode occurs when the baud rate 1s set below 4800 baud Under this condition data loss may occur NOTE The recommended baud rate is 9600 8 14 170 Series Monitor Revision D 2000947 004 Peripheral Devices RS 232 Connectors Error Conditions Transmission Errors Transmission errors may be detected by the external computer as parity errors framing errors no valid stop bit or invalid characters There is no facility in the 170 Series Monitor to re transmit any information found to contain an error It is therefore up to the user to decide what action to take as a result of an error Request Errors These err
75. aboratories UL 2601 1 Canadian Standards Associations CSA 22 2 No 125 or International Electrotechnical Commission EN60601 1 A Telemetry Connector This high density 15 pin connector is intended for future interfacing to the receiver of a Corometrics telemetry system Contact your Service Representative for more information IMPORTANT TELEMETRY For proper operation when using a telemetry system disconnect all transducers from the front panel of the 170 Series Monitor Refer to the operator s manual for your telemetry system for more information Revision D 170 Series Monitor 3 15 2000947 004 For your notes 3 16 170 Series Monitor 2000947 004 Revision D setup Procedures This section contains information about configuring a 170 Series Monitor to meet the individual needs of your clinic or hospital Use of the monitor will vary according to the accessories attached to it the clinical applications in which it is used and the personal preferences of the users This chapter lists all available user setup options in the monitor and provides step by step instructions for making selections Loading Strip Chart Paper RENE AE iu d Ee xU o 4 2 Turning the Monitor On 4 7 a D C 4 9 Customizing the Monitor rx he XX e EPA xS 4 10 Printing a Summary of Configuration Settings 4 17 Quick Reference Card oases os s woe b ace doni Ac bes eens 4 18 Flasher Software Utility
76. aper The recorder prints the messages TOCO and UA REF on the strip chart paper Press and hold the UA Reference button on the monitor to cycle through the available selections for UA reference 5 10 15 20 or 25 relative units Test each of these reference settings Verify that the UA value 1s displayed accordingly and that the recorder prints a continuous line at the corresponding value on the uterine activity channel of the strip chart paper Set the simulator s TOCO amplitude to SuV and TOCO Level switch at each of the level settings 0 20 40 60 80 and 100 relative units Verify that the UA value is displayed accordingly and that the recorder prints a continuous line at the corresponding value on the heart rate channel of the strip chart paper Press the UA Reference button to reference to 10 relative units If the default is set to a different value press and hold the UA Reference button to cycle to 10 Disconnect the TOCO cable from the UA input receptacle on the front panel of the monitor Verify the following on the monitor The UA value is blank The recorder stops printing the uterine activity trace 170 Series Monitor 12 7 2000947 004 Addendum Fetal Pattern TREND 1 Pattern Memory Test Selects real patient trend of fetal heart rate and TOCO 1 Connect the FECG and UA cable to the corresponding connector on the monitor 2 Select FETAL PATTERNS by repeatedly pressing MAIN button on the PS320 Simulator
77. atient at regular intervals by a qualified care provider who will make diagnoses and decide on treatments and interventions INTERFACING OTHER EQUIPMENT Monitoring equipment must be interfaced with other types of medical equipment by qualified biomedical engineering personnel Be certain to consult manufacturers specifications to maintain safe operation LEAKAGE CURRENT TEST The interconnection of auxiliary equipment with this device may increase the total leakage current When interfacing with other equipment a test for leakage current must be performed by qualified biomedical engineering personnel before using with patients Serious injury or death could result if the leakage current exceeds applicable standards The use of accessory equipment not complying with the equivalent safety requirements of this equipment may lead to a reduced level of safety of the resulting system Consideration relating to the choice shall include use of the accessory in the patient vicinity and evidence that the safety certification of the accessory has been performed in accordance with the appropriate EN60601 1 and or EN60601 1 1 harmonized national standard 1 6 170 Series Monitor 2000947 004 Revision D Safety Monitor Contraindications Warnings and Precautions WARNINGS LINE ISOLATION MONITOR TRANSIENTS Line isolation monitor transients may resemble actual cardiac waveforms and thus cause incorrect heart rate determinations and
78. audio 1s heard coming from the rear panel speaker The recorder prints a continuous line at the respective value 3 BPM on the top grid of the strip chart paper 9 Remove the US simulator cable from US connector of the Monitor Verify the following on the monitor e The FHRI value and mode are both blank The recorder stops printing the fetal heart rate trace e The recorder prints the message CARDIO INOP on the center margin of the strip chart paper after approximately 20 seconds 10 Repeat Steps 1 to 9 using the second Ultrasound channel of the monitor 12 6 170 Series Monitor Revision D 2000947 004 Revision D Uterine Activity Test Addendum This portion of the functional checkout procedure tests the uterine activity section of the 170 Series Monitor Connect the TOCO cable Cable No 2462469 from TOCO connector in PS320 Simulator to the UA receptacle of the monitor Access the service setup mode and note the UA reference default value The monitor is shipped from the factory with this value set at 10 relative units however your unit may have been custom configured Exit the service mode Press the monitor s Power button to turn on the monitor Press the monitors Record pushbutton Briefly press the monitors UA Reference pushbutton Verify the following on the monitor The UA value is the default setting The recorder prints a continuous line at the default value on the uterine activity channel of the strip chart p
79. ay board and D flip flop U3 which drives the 1 UA segments through Q1 Q4 transistors Data lines have 100 Q series resistors R524 R531 which help to reduce emissions A diode clamp device U18 on the data bus is a used to protect against ESD to the display area Figure 5 13 provides a block diagram of the display interface module Data Buffer Display Board Transistor Drivers for Pressure Display Figure 5 13 Display Module Interface Block Diagram Status Switch Input Module Membrane Switch Inputs Recorder Status Inputs The status switch input module consists of buffers U15 and U16 and series parallel elements for protection against ESD The monitor membrane switch panel provides 11 switch closures to ground which are fed to 100 kQ pull up resistors and through 10 kQ series elements Buffers U14 and U15 are further protected by capacitors to ground and diode clamp devices U17 and U22 Two LEDs are present on the membrane switch panel the power LED is driven by 5 V through resistor R350 the recorder LED 1s driven from PAL U4 through buffer U6 and resistor R351 Figure 5 14 provides a block diagram of the status switch input module Data to Data Bus Buffers PL Figure 5 14 Status Switch Input Module Block Diagram 9 22 170 Series Monitor Revision D 2000947 004 Theory of Operation Main Board Theory of Operation Communications Module The communications section consists of quad UART
80. b a b jEN EC UL TP1 connected to LEADS all LEADS MN together Polarity Normal Er Neutral Open Ground Normal Closed Polarity Reverse os Neutral Open Ground Normal Closed Figure 9 5 Patient to Line leakage test connection diagram and switch settings 9 14 170 Series Monitor Revision D 200094 7 004 Specifications This section contains a detailed list of the technical specifications for the 170 Series Monitor This chapter lists specifications for the following General Monito 10 2 Operating e NEEN 10 3 Strip Chart Recorder lues esae boh da da 10 4 Revision D 170 Series Monitor 10 1 2000947 004 Specifications General Monitor General Monitor Table 10 1 General Monitor Technical Specifications Category Technical Specifications Power Requirements Nominal Line Voltage Line Frequency Power Consumption maximum Monitor DC Input Physical Characteristics Height Width Depth Weight Environmental Conditions Monitor Ambient Temperature Relative Humidity Strip Chart Paper Ambient Temperature Relative Humidity Certification UL 2601 1 CUL 100 230 VAC 50 60 Hz operates over 4 63 HZ lt 30 VA 12 Vdc at 2 5 A 5 79 in 14 6 cm 16 75 in 42 5 cm 10 0 in 25 4 cm 8 lbs 3 6 kg approx Operating 50 F to 104 F 10 C to 40 C 10 to 75 non condensing 50 F to 104 F 10 C to 40 C 30 to 70 non condensing Designed to m
81. cers only install and torque belt knob to 48 in 0zZ 6 Referto Testing a Repaired Transducer TOCO or US on page 7 34 l Using Loctite Adhesive 454 is recommended in order to secure the screw caps Revision D 170 Series Monitor 7 27 2000947 004 Serviceable Assemblies Nautilus Transducer Reassembly AR Figure 7 10 Curved Screw Cap Shape Nautilus Transducer Figure 7 11 Curved Screw Cap Alignment Nautilus Transducer 7 28 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Testing a Repaired Transducer TOCO or US Testing a Repaired Transducer TOCO or US CAUTIONS Following completion of the cable replacement procedure LEAKAGE TEST Perform a leakage and dielectric test on the transducer per applicable standards FUNCTIONAL TEST Perform a functional response test on the transducer Revision D 170 Series Monitor 71 29 2000947 004 Serviceable Assemblies Replacing the Main Board Replacing the Main Board Equipment Required m Phillips screwdriver Main board part no 2000243 Model 171 part no 15269 Model 172 part no 2000324 Model 173 part no 2000973 Model 174 Procedure 1 Disconnect the AC adapter from the monitor to completely remove power 2 Remove the monitor top cover disconnecting the display board cable and membrane switch panel cable from J18 and J19 respectively 3 Disconnect the sensor board cable from J3 on the mai
82. ch of these reference settings Verify that the UA value is displayed accordingly and that the recorder prints a continuous line at the corresponding value on the uterine activity channel of the strip chart paper Place the simulator s UA Level switch at each of the level settings 0 10 50 and 100 relative units Verify that the UA value is displayed accordingly and that the recorder prints a continuous line at the corresponding value on the heart rate channel of the strip chart paper Table 6 5 Uterine Activity Test Simulator Settings Press the UA Reference button to reference to 10 relative units If the default is set to a different value press and hold the UA Reference button to cycle to 10 10 Place the simulator s UA Level switch to the RAMP position Verify that the UA value measures a ramp between 10 and 100 relative units and that the recorder prints a ramp between the same values Refer to Figure 6 5 Revision D 170 Series Monitor 6 19 2000947 004 Functional Checkout Procedure Uterine Activity Test 11 Disconnect the Model 325 Simulator s uterine activity sub cable from the UA input receptacle on the front panel of the monitor Verify the following on the monitor The UA value is blank The recorder stops printing the uterine activity trace The recorder prints the message UA INOP on the center margin of the strip chart paper after approximately 20 seconds
83. ch uses a 2 kHz clock Usmode U4 pin 35 to count off six clocks The counter is enabled when any one of the four processor latched strobes is active After six counts of any active strobe 3 ms the counter disables all four output strobes and turns off the 24 V head supply The circuit resets when the processor latched strobes return to an inactive state The power fail control line input U4 pin 76 is also a form of protection which turns off all strobes and the power supply when the 12 V drops to about 10 V The printhead shift register consists of an 8 bit shift register which clocks out D7 first and clock counters which allow eight clocks to be output for every processor write to the register The clock counter also provides a done status bit BUSY which goes high after all eight bits are shifted out This status bit is read through the UART spare port line U21 pin 28 Figure 5 16 provides a block diagram of the recorder interface 5 24 170 Series Monitor Revision D 2000947 004 Theory of Operation Main Board Theory of Operation to Data Bus to Motor Motor Control Latch Paper Status Lines Status Read Butter from PAL Device o prose se o e M ee Es Printhead Control Latch to Printhead e strobes load line a clock Printhead Protection Circuitry p Mate Printhead Data Shift Register Figure 5 16 Recorder Interface Block Diagram
84. cket leaving Asinch of the Jacket remaining Pull back the inner shield and twist into a pigtail The clear dielectric is now exposed Solder remaining piece of green wire to inner shield wrapping the inch strip onto shield Cut wire flush with other conductors Install shrink tubing over the solder joint between the white coaxial cable and the inner shield Strip the three conductors l4 inch clear and both green Twist and tin conductors Locate the grounding contact pin longer pin in the kit Solder this pin to the inner shield Solder a short pin to the clear conductor and the outer shield Solder a short pin to each end of the green jumper wire 1 4 inches long Continue with Plug Assembly on page 7 13 Revision D 170 Series Monitor 7 7 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits m Score around length of jacket 1inch Peel jacket and remove m Separate outer braided shield and twist m For Standard ultrasound transducers the cable is a dual coaxial cable m For Nautilus ultrasound transducers the cable is a single coaxial cable m f present cut black coax and fillers flush with grey jacket m Solder 24 AWG green wire to outer shield m Score around white jacket leaving inch m Separate inner braided shield and twist m Solder 24 AWG green wire to inner shield m Apply shrink tubing over clear wire and solder joint of inner shield m Strip conducto
85. cord from the monitor to completely remove power Follow the instructions for Removing the Monitor Top Cover on page 7 19 Follow the instructions for Replacing the Main Board on page 7 35 Remove the two screws holding the motor mount in place Remove the two screws holding the motor assembly on the motor mount Retain the motor mount and all screws Install the new motor on the motor mount and tighten both screws Position the new motor in place aligning the motor gear with the roller gear Push the motor assembly slightly forward against the roller gear There should be a slight clearance between the teeth Check clearance by rotating the print roller back and forth There should be a slight rotation Secure the motor mount to the main board mounting plate Tighten both screws Replace and align the printhead by following the instructions on page 7 41 and page 7 43 Replace the main board and secure all eight mounting screws Re connect all cables Replace the monitor top cover The thermal printhead heater elements must be cleaned at regular intervals to remove any accumulated paper dust The heater elements may be cleaned with methanol or isopropyl alcohol Care must be taken to avoid touching the heater elements with bare hands CAUTION AIR DRY Allow to air dry completely prior to using the monitor Revision D 170 Series Monitor 7 41 2000947 004 Serviceable Assemblies Servicing the Recorder
86. ctional Checkout Procedure FECG Test Table 6 2 Model 325 Simulator Settings for FECG Test QRS Amplitude 15 uV QRS Polarity GENERAL Pattern Memory 10 11 12 UA ws mm Repeat step 5 for each of the following rates 60 210 and 240 BPM Change the simulator s QRS Polarity switch from to Verify that the monitor does not skip any beats Set the simulator s ECG Rate switch to the RAMP setting Verify that the monitor s FHRI value counts between approximately 30 and 240 BPM and that the FHR1 trend is a ramp between the same values on the strip chart paper See Figure 6 1 Access the Service Setup Mode and disable ECG Artifact Elimination Set the simulator s ECG Rate switch to the A15 position Verify the following on the monitor The FHRI value oscillates by 15 BPM The FHRI heartbeat indicator J flashes for each input signal The ECG beep is heard from the rear panel speaker The FHR trend oscillates 15 BPM between 115 and 130 BPM on the top grid of the strip chart paper See Figure 6 2 Repeat step 10 for rate values of A22 and A27 The results should be the same except that the FHR1 value oscillates by either 22 or 27 BPM and the FHR trend is an oscillation of 22 or 27 BPM The top value is always at approximately 130 BPM Refer to Figure 6 2 Access the Service Setup Mode and enable ECG Artifact Elimination 170 Series Monitor Revision D 2000947 004 Functional
87. ctrocutare mecanice sau de alt natur OCTOPOXHO laHHoe pyROBOACTBO NO TEXHVIUeCROMY OBCAYXUBAHNUIO npeAcTaBAeHo TONbKO HA AHFANUCKOM A3bIKe ECAN cepBACHOMVy nepcoHany KNUeHTA He0OXONMMO PYKOBOACTBO He HA AHFAMNCKOM A HA KAKOM TO APYFOM A3bIKe KIVUEHTY CneAyer CAMOCTOATENBHO o6ecneuurb NOepeBOL lepea TexHnueckuM OBCAYKUBAHNEM o6opyaoBaHua o683arenbeHo OOPATUTECb K AGHHOMY DYKOBOACTBY Y NOUMUTE N3NOXEHHbIO B HEM CBe IeHMR Heco 6nioneHue TpeboBaHu aaHHoro npeaynpex ieHus MOXeT NpMBECTU K TOMY YTO CneunanucT no TOeXOOCNVRUBOHUIO oneparop UAV NQUMEOHT NONYUUT MOD INEKTPNUECKUM m TOKOM MexaHuueckylo TpaBMy unu apyroe noBpexAeHne UPOZORENJE Ovo servisno uputstvo je dostupno samo na engleskom jeziku SR Ako klijentov serviser zahteva neki drugi jezik klijent je duzan da obezbedi prevodilacke usluge Ne poku avajte da opravite ure aj ako niste pro itali i razumeli ovo servisno uputstvo zanemarivanje ovog upozorenja mo e dovesti do povre ivanja servisera rukovaoca ili pacijenta usled strujnog udara ili mehani kih i drugih opasnosti UPOZORNENIE Tento n vod na obsluhu je k dispoz cii len v angli tine SK e Ak z kazn kov poskytovate slu ieb vy aduje in jazyk ako angli tinu poskytnutie prekladate sk ch slu ieb je zodpovednos ou z kazn ka Nepok ajte sa o obsluhu zariadenia k m si nepre tate n vod na obluhu a neporozumiete mu zanedbanie tohto upozornenia m e sp sobi zranenie posky
88. d cover with a new insulated sheet 14 Secure the sensor board cable with a cable tie on the back of the recorder drawer 15 Align the drawer over the slot drop down and slide into place 16 Pull drawer fully foward to allow slack on the sensor board cable 17 Secure the sensor board cable with a cable tie on the monitor bottom panel 1 42 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Servicing the Recorder 18 Replace the microswitch and secure both screws Make sure the microswitch clicks when the drawer is closed 19 Replace the main board mounting plate pulling the plate forward parallel with the roller while tightening the screws 20 Return the printhead assembly to its original position as noted in step 4 21 Replace the main board re connect all cables and replace the monitor top cover 22 Check printing and re align the printhead as necessary See Aligning the Printhead on page 7 43 Revision D 170 Series Monitor 7 43 2000947 004 Serviceable Assemblies Boot ROM Error Codes Boot ROM Error Codes If the error codes in the following table display during the boot process cycle power If the error codes reappear when you power up phone GE Technical Support for assistance Table 7 15 Boot ROM Error Codes Configuration data incorrect for program target Configuration data checksum error E3 Boot code CRC error 1 44 170 Series Monitor Revision D 2000
89. d the patient to ground leakage for the following conditions Revision D 170 Series Monitor 9 9 2000947 004 Maintenance Preventative Maintenance Inspection Test Description S1 DPDT S2 SPDT S3 SPDT S4 SPDT Polarity Neutral Ground Test Point a Normal a Closed a Closed a Internal Maximum b reverse b Open b Open b TP1 Limits UA Patient to Ground Leakage Current Measurements LEADS TP1 connected to LEADS all LEADS connected together Position Position 9 10 Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Normal Normal Closed Normal Closed Normal Open Normal Closed Normal Normal Closed Open Reverse Normal Closed Open Reverse Open Normal Closed Reverse Normal Closed Normal Closed LE EN LN BD ED ES N N MN m BS RSR DREES RSR L oL CIC CIE HE Figure 9 2 Patient to Ground leakage test connection diagram and switch settings 170 Series Monitor Revision D 200094 004 Maintenance Preventative Maintenance Inspection Patient to Line Leakage for US1 US2 and TOCO Type BF applied parts 1 Connect the Ultrasound test body to monitors front panel US1 and or US2 2 Connect a tocotransducer test body to the monitors front panel UA input Note Refer below table to connect the applicable Type BF
90. data field is empty whenever the monitor s Mark button is selected Heart Rate This data field contains two or three ASCII characters representing the value of the heart rate A value of 00 30H 30H indicates a penlift condition Heart rate data including penlift data is transmitted four times per second Uterine Activity This data field contains two or three ASCII characters representing the value of uterine activity A value of 128 31H 32H 38H indicates a penlift condition Uterine activity data including penlift data is transmitted eight times per second Modes This data field contains two ASCII characters indicating the mode The first character is the combined mode of both heart rates according to Table 8 4 The second character is the mode for uterine activity as listed in Table 8 5 Mode data is transmitted at startup with each mode change with each request and once every minute Revision D 170 Series Monitor 8 13 2000947 004 Peripheral Devices RS 232 Connectors m Fetal Movement This field contains one ASCII character representing the current status of the FM signal low or high If the data byte is a 0 30H then the signal 1s low indicating no movement is detected if the data byte is 1 31H then the signal is high indicating fetal movement is detected If the fetal movement feature is not in the monitor the data byte is 2 32H If the fetal movement feature is present but not enabled the dat
91. e 11 4 Model 174 Final Assembly 2001972 038 Continued 284105 284072 284285 289516 2000220 001 2000221 001 2001894 001 15301A 15461AA 2004993 004 15323AA 15324DA 14943AA 20001 78 001 2000359 001 2000246 001 2000952 001 2003930 001 284031 608030 608036 7MAAAT 2000890 001 2000891 001 2000892 001 2000893 001 410010 2000555 001 410066 SCREW 4 PH 1 4L THD FORM SCR 4 40 PH 5 16L PHL LL STRIP SCR 4 40 FH UNDERCUT 3 16 PHIL 2PS NYLON PATCH SCR M3X5 PH PHIL ZP W NYLOK PATCH SCR PH 2 1 2L PHIL ZPS PLASTITE SCR 4 PH 1 4L TYPE F PHIL ZPS SPRING FRONT GROUND 173 ASSY PCB DISPLAY BOARD GASKET REAR PANEL PAD PRINT TOP COVER MODEL 174 KYBD MEMBRANE US2 LABEL DISPLAY OVERLAY FECG MODEL 174 CLIP SPEAKER ACCESS HOME MONITOR PLUG CALL LIGHT STANDOFF M F 440 1IN LG ALUM PLUG TELEMETRY PCB DUAL U S FECG 174 LABEL REAR PANEL 170 SERIES SCR 4 40 BH 1 4 LG SLTD N YLON CABLE MOUNT ADHESIVE BACK TYRAPS CABLE TIES POWER SUPPLY 12V 30W EXTERNAL SUPPLY PACKAGING RIGHT CAP 170 SERIES PACKAGING LEFT CAP 170 SERIES PACKAGING BOXES 170 SERIES PACKAGING SLOTTED TRAY 170 SERIES PACKING LIST ENVELOPES SHLD SPEAKER 170 POLY BAG 23X26X 006 11 12 170 Series Monitor 2000947 004 Revision D Parts Lists 2001972 038 Model 174 Final Assembly Table 11 4 Model 174 Final Assembly 2001972 038 Continued 410097 TAPE SHIPPING 3IN WIDE 4281DA LABEL C UL HAZZARD
92. e 5 9 Telemetry Connector facing the rear panel from the outside Telemetry Mark Line active low 5 12 170 Series Monitor 2000947 004 Revision D Theory of Operation Functional Overview Table 5 14 Display Interface J18 Signal Type Signal Name Relative To Main Signal Description Board L0 9e a Telemetry ECG 173 174 a rr Revision D 170 Series Monitor 2000947 004 9 13 Theory of Operation Functional Overview Table 5 15 Membrane Switch Panel Interface J19 Signal Type Signal Name Relative To Main Signal Description Board Volume Down Channel 1 Switch Input Alarm Cancel Switch Input Volume Up Channel 1 Switch Input Volume Down Channel 2 Switch Input Power Switch Input Volume Up Channel 2 Switch Input GND Ground for LEDS and Switches Menu Switch np Active low 5 14 170 Series Monitor Revision D 2000947 004 Theory of Operation Functional Overview Table 5 16 FECG UA Option Interface Part One J16 Models 173 174 Only Signal Type Signal Name Relative To Main Board GND Output 5V Output 7 5V Output 2 5VREF Output IUPEN Input 3 3VANA Output 144KC Output 3 3VANA Output AGND Output FECGOUT Input PRESSOUT Input FECGEN Input NC 171 172 173 CLEAR 174 Output TOCOEN Input EL E Active low Signal Description 12 V for FECG Isolated Power Supply 12 V Ground 5 V Supply 7 5 V Supply 2 5 V Reference IUP Enable Output
93. e CMR Test Jack with the transducer to be calibrated 8 Place the tocotransducer on a flat surface so that the button is face up then center the 52 5 gram weight on the pressure sensitive button 9 Adjust the Offset R5 and Offset Trim R6 potentiometers so that the voltage matches the reading recorded in step 6 0 04 V This voltage is referred to as the weight on voltage The Offset RS potentiometer provides course adjustment The Offset Trim R6 potentiometer provides fine adjustment 10 Remove the weight and observe the voltage reading this voltage is referred to as the weight off voltage A correctly adjusted transducer will show a voltage change of 0 115 V 0 015 V If the change is less adjust the Gain R15 potentiometer counterclockwise to increase the gain If the change is more adjust the Gain R15 potentiometer clockwise to decrease the gain 11 Repeat step 8 through step step 10 until the change in voltage between the weight on and weight off conditions falls into specification 12 Torque seal all potentiometers 13 Follow the instructions for Nautilus Transducer Reassembly on page 7 32 7 24 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Nautilus Ultrasound Transducer Top Cover Replacement Nautilus Ultrasound Transducer Top Cover Replacement Equipment Required In order to replace the top cover of a Nautilus Ultrasound Transducer in the field
94. e Card EE 4 18 Flasher Software Utility Upgrade 4 20 Theory of Operation 5 1 lieren EE 5 2 Main Board Theory of Operation 0 00 ccc cece ee eee Laia aa 5 17 FECG IUP Board Theory of Operation 0 0 ccc cece eee ees 5 36 Functional Checkout Procedure 6 1 Equipment REGUE aci oed icd mi a ec ed re Ree A 6 2 General eso ses LE EU de RR Eu cas ee cl 6 3 Montor Sel TeSt EE 6 4 Front Panel Pushbutton Test 6 5 Connecting HESE re aa 6 6 PECG TESE 00 NI ara 6 7 Eegplate Inspectlon ira ie tae inen 6 12 Ultrasound esa ER Len e E REINES peu LC aH 6 13 Fetal Movement Detection Test 6 16 Ultrasound Transducer Test 6 18 Uterine AGUVID TOSE e ie tetes e beber vbi ce aces 6 19 Tocotransdaucer Test eis REDIGO AERE BE EIN EINE AE pa de 6 21 Strain Gauge Transducer Test 6 22 Pattern Memory Testo v anu a ERE ia ERA D P CE AT Ar A e 6 23 Dual Heart Rate Test Non Pattern ccc cece eee eee eee aes 6 24 Corometrics 170 Series Revision D 2000947 004 AO ee eg eg EE US de E e i ed dics 6 28 Serviceable Assemblies 4 1 1 General Anti Static Handling Precauti0nS o0oocococoooor oo 7 2 Transducer Plug Replacement Kits 0 0 c cece eee eee eee 7 3 Nautilus Transducer Cable Replacement 7 15 Removing the Monitor Top Cover 7 19 Tocotransducer Calibration 7 20 Nautilus Ultrasound Transducer Top Cover Replacement 7
95. e Nautilus Ultrasound Transducer Assembly Parts List 5 ft cord 14895A 15082AA 14791A 14594AA 14640AA 284106 2008660 001 15254AA 281260 7514DA 14855AA 13658FA 440011 4991AA 410069 410113 15265DA 13434AA 160103 162004 OBSER 003 14957AA 14897AA 474045 U S CBL ASSY 5 OB WATERTIGHT MKG CASE TOP U S WATERTIGHT CASE BOTTOM ASSY U S WATERTIGHT FLAT SEAL TOCO U S WATERTIGHT XDCR CABLE MOUNTING NUT TOCO US WATERTIGHT SCR 4 40 PH 5 16L W SEAL PHIL SS LL SCR CAP TOCO U S SCREW CAP FLAT MARING WATERTIGHT SCUCERS SCR SET 2 56 1 8L OVAL PT SS ABDOMINAL STRAP BLUE WARNING TAG CABLES WATERTIGHT LBL CE CAUTION IP68 WATERTIGHT XDCR LABEL 2 25X 75 SELF LAM WHITE ACC PACKER PACK MATERIAL ST BAG AIRCAP 8 X 11 1 2 SHIPPING LBL 5700KAX WATERTIGHT XDUCERS LBL SHIP CRTN CE MARK VAR ADHESIVE 454 OIL SILICONE 3ML TUBE ADDENDUM WATERTIGHT XDCR WARNING LABEL KIT U S TOCO WATERTIGHT INSTRUCTION SHEET WATERTIGHT TOCO NETWORK RES SIP 47 OHM 9 RES 11 16 170 Series Monitor 2000947 004 Revision D Parts Lists 2264DAX Loop Style Nautilus Tocotransducer Assembly Parts List 5 ft cord 2264DAX Loop Style Nautilus Tocotransducer Assembly Parts List 5 ft cord Table 11 8 2264 Loop Style Nautilus Tocotransducer Assembly Parts List 5 ft cord 14894A 15080AA 14790B 14594AA 14640AA 284106 14638AA 15254AA 281260 7514CA 14855AA 13658FA 440011 4991AA 410069 410112 15264CA 13434AA 160034 162
96. e bottom for feature codes and available settings The feature code displays n the UA display the setting or value displays in the FHR display 2 Press H to alternate between displays The sign lights when the UA display is active the heartbeat indicator C2 lights when the FHR display is active 3 Use E A or Y to change the number in the active display On dual FHR units use the left set of volume controls In the example below the FHR high alarm limit code 2 is set to 185 BPM SETTING OR VALUE MONITOR FEATURE CODE IN FHR DISPLAY IN UA DISPLAY O off 1 0n 1 FHR alarm enable disable 140 210 BPM by 5 BPM 2 FAR high alarm limit 50 140 BPM by 5 BPM 3 FHR low alarm limit 2 10 FHR alarm volume 0 59 10 minutes 0 23 11 hours 1 31 12 day 1 12 13 month 00 00 14 year SERVICE CODES Enter the Service Setup Mode Press and hold the Setup button amp amp e Press and hold the blue Power button Release both buttons Refer to the table below for feature codes and available settings Press the Setup button Cg to exit the Service Setup Mode The monitor automatically tums to standby SETTING OR VALUE 9 MONITOR FEATURE CODE IN FHR DISPLAY IN UA DISPLAY O of 1 on 173 174 ECG Artifact Elimination 07 of 170on 172 173 174 Heartbeat Coincidence QS of i on i installed Fetal Movement Enable Disable Cen Le French Japanese 5 Italian 6 Swedish 7 Dutch 8 Portuguese Language 9 Chinese
97. e is automatically initiated each time you turn on the monitor CAUTION SELF TEST FAILURE TIf there is any problem with the self test routine turn off the monitor and remove it from operation Notify your Biomedical Engineering Department or Service Representative After completion of a successful self test routine the monitor is ready for use NOTE If the recorder was off at the time the monitor was turned off the test routine will turn the recorder on then turn 1t off after the tests are complete If the recorder was on at the time the monitor was turned off the tests will be performed and the recorder will remain on Table 4 1 Summary of Self Test Routines Test Description What to Verify Display Indicator Test All displays and indicators Ensure all indicators and each segment of the displays illuminate illuminate throughout the entire self test routine Internal Test The internal circuitry of the monitor is Make sure the monitor performs the recorder test If verified there is a problem with the internal circuitry the recorder test will not be performed Recorder Test The following message prints on the strip chart paper TEST ARE ALL DOTS PRINTED Ensure that the lines are printed in the correct positions Three continuous lines are drawn across the strip chart onthe paper Verify that the lines are continuous and no recorder paper testing the integrity of the printhead gaps appear on the traces see Figure
98. e monitor s front panel UA input Note Refer below table to connect the applicable Type CF parts specific for each model Type of Connectors to be Shorted for the be FECG CF FECG CF Leakage test for each of the Model e IUP CF IUP CP 3 Configure a leakage tester to perform a patient leakage test Refer Figure 9 4 as shown below for the Safety Tester connection and switch details 4 Turn ON the monitor using the monitors On Standby button 5 Verify the following e Normal Condition 10 pA e Single Fault Condition lt 50 uA 132 253 VAC or at the line voltage at your facility 10 6 Record the patient to line leakage for the following conditions 170 Series Monitor Revision D 2000947 004 Maintenance Preventative Maintenance Inspection Test Description SI DPDT S2 SPDT S3 PDT S4 SPDT Polarity Neutral Ground Test Point b reverse b Open b Open b TPI Limits uA Position Position Patient to Ground Leakage Current Measurements LEADS TP1 connected to LEADS all LEADS connected together a Normal a Closed a Closed a Internal Maximum Position Position EN IEC UL Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Revision D Normal Normal Closed Normal Closed Normal Open Normal Closed Normal Normal Closed
99. e stress on cable wires and shielding Do not damage the cable o ring or the hole in the transducer base 8 Feedthe connector end of the new cable through the hole in the transducer base The cable o ring should be seated in hole Revision D 170 Series Monitor 7 17 2000947 004 Serviceable Assemblies Nautilus Transducer Cable Replacement 9 Secure the molded strain relief end of the cable in the cable nut a Place the flat side of the cable nut against the case base b Rotate the cable assembly into the cable nut continue threading until the two are completely seated Ensure the o ring is seated in the hole and one of the cable s four set screw holes is centered under the hole in the cable nut c Tighten the set screw until flush with the cable nut 10 Connect cable according to transducer type refer to Figure 7 6 Tocotransducer CAUTION PRESSURE SENSITIVE BUTTON Do not turn the pressure sensitive button Doing so will change the button height and affect the tocotransducer calibration a Plug the cable connector into the PC board header conforming to the keying observed earlier b If removed earlier replace the PC board and tighten the three self tapping screws in the transducer base CAUTION OVERTIGHTENING Do not overtighten the screws Doing so could damage the threads in base Ultrasound Transducer a Solder the green and clear cable wires to the PC board Figure 7 6 b Replace and tighten t
100. e voltage matches the reading recorded in step 5 0 04 V This voltage is referred to as the weight on voltage 9 Remove the weight and observe the voltage reading this voltage is referred to as the weight off voltage A correctly adjusted transducer will show a voltage change of 0 115 V 0 015 V If the change is less adjust the Gain R11 potentiometer counterclockwise to increase the gain If the change is more adjust the Gain R11 potentiometer clockwise to decrease the gain 10 Repeat step 7 through step 9 until the change in voltage between the weight on and weight off conditions falls into specification 11 Torque seal all potentiometers 12 Follow the instructions for Nautilus Transducer Reassembly on page 7 32 Revision D 170 Series Monitor 1 23 2000947 004 Serviceable Assemblies Tocotransducer Calibration Calibration for Cat No REF 2264 AAX BAX CAX DAX EAX FAX Refer to Figure 7 6 during calibration 1 Set the Gain R15 and Offset R5 potentiometers fully counterclockwise 2 Set the Offset Trim R6 potentiometer to its mid position approximately six turns from fully counterclockwise 3 Connect the positive lead of the digital voltmeter to TP2 on the Main Board connect the negative lead to TP9 4 Turn on the monitor 5 Plug the CMR Test Jack into the monitor s UA connector 6 Measure the voltage across the test points and record the value 7 Replace th
101. eceptacle on the monitor 2 Set the switches on the Model 325 Input Simulator according to Table 6 4 3 If not already on press the monitor s Record pushbutton 4 Turn the simulator s Manual Adjustment knob to input an ultrasound signal of approximately 120 BPM Verify the following on the monitor The FHRI value is 120 BPM The FHRI heartbeat indicator J flashes at a rate of 120 times per minute Ultrasound audio volume from the rear panel speaker can be increased or decreased using the left pair of Volume pushbuttons Set the volume to the desired level The recorder prints a continuous line at 120 BPM on the top grid of the strip chart paper Fetal movement markers are shown on for a duration of one second then off for eight seconds then on for one second etc The recorder prints the messages US and FMD on the center margin of the strip chart paper after approximately 20 seconds Table 6 4 Fetal Movement Detection Test Simulator Settings US FMD Signal Level UA 6 16 170 Series Monitor Revision C 2000947 004 Functional Checkout Procedure Fetal Movement Detection Test 240 bpm ptt UA 0 mm Hg Figure 6 4 Fetal Movement Detection Ultrasound Transducer Test 1 Inspect a Model 170 250 ultrasound transducer as follows Ensure there are no cracks around the transducer face Visibly assess the condition of the cable strain relief and connector pin
102. ed an individual Flasher disk for each monitor being upgraded Table 4 6 lists the Flasher kits available for the 170 Series Table 4 6 Flasher Kits Kit Description Catalog Number Fetal Movement Detection Feature Addition 1700AAO Software Upgrade to Version 3 23 2005770 004 English language units which includes the following features m Heartbeat coincidence m Communications interface to external FSpO2 monitors m Communications support of 115 Update and 115 Transmit Receive protocols 4 20 170 Series Monitor Revision D 2000947 004 shapter 5 Theory of Operation This section of the manual contains the electronic theory of operation for the 170 Series Monitor When possible references are made to the appropriate schematic contained in Chapter 11 Parts Lists of this manual Throughout this chapter signal names ending with an asterisk are active low This chapter contains the following information Functional Overview 1222 ossa ee YER EC eR ww eos 5 2 Main Board Theory of Operation u e Le 5 17 FECG IUP Board Theory of Operation 5 36 Revision D 170 Series Monitor 200094 7 004 5 1 Theory of Operation Functional Overview Functional Overview For all 170 Series Monitors the Main Board controls the majority of the 170 Series functionality including antepartum US TOCO front ends and connector s uterine activity front end
103. eet UL 2601 1 Storage 14 F to 131 F 10 C to 55 C 10 to 90 non condensing lt 80 F lt 26 5 C 45 to 65 non condensing Medical electrical equipment classified by Underwriter s Laboratories Inc with respect to fire shock and mechanical hazards in accordance with UL 2601 1 Classified with respect to electric shock fire mechanical and other specified hazards only in accordance with CAN CSA C22 2 No 601 1 Paper operating environmental conditions are for a period of less than one month Paper storage environmental conditions are for extended storage 10 2 170 Series Monitor 2000947 004 Revision D Specifications Operating Modes Operating Modes FECG Mode Technique Peak detecting beat to beat cardiotachometer Heart Rate Counting Range 30 240 BPM Heart Rate Resolution 1 BPM Artifact Elimination Selectable 25 BPM artifact rejection Countable Input Signal Range 15 uV to 2 mV peak to peak Offset Voltage Tolerance Differential 300 mVdc maximum Maximum Common Mode Voltage 20 V peak to peak Preamplifier Bandwidth 1 100 Hz Common Mode Rejection Balanced gt 120 dB at mains frequency with patient cable Unbalanced 5KQ RA or LA gt 110 dB at mains frequency Input Equivalent Noise lt 10 uV peak to peak Input Impedance Differential gt 10 MQ Common Mode gt 20 MQ Mains Frequency Rejection gt 40 dB Leakage Current lt 60 uA at 254 VAC electrically isolated Isolation
104. elease all pages have the revision letter A For the second update all pages receive the revision letter B The latest letter of the alphabet added to the table below corresponds to the a current revision Revision O NN 22 July 2002 Initial Release 26 Mar 2004 1 Updated GE Asia and Europe addresses and phone numbers on back cover and deleted GE addresses and Revision letter and date on the Title Guarantee page 2 On page 4 15 changed code 21 HBC from O off 1 off to O off 1 0n 3 On page 7 49 added Boot ROM error codes C 14Nov 2007 Addition of TYPE CF equipment symbol 10 Feb 2012 Addition of addendum for use of PS320 Simulator Updated Electrical Safety Test section for Patient Leakage tests with reference to IEC 60601 2 49 standard Updated procedure to test Ultrasound and TOCO Transducer Corrected the Symbol for FAST Added Service Manual Disclaimer Functional Checkout Procedure Connecting the simulator Section Added note to Refer addendum for using PS320 Simulator 170 Series Monitor Revision D 2000947 004 Safety General Information General Information General Use If the monitor is cold to the touch or below ambient temperature allow it to stabilize before use To ensure patient safety use only parts and accessories manufactured or recommended by GE Medical Systems Information Technologies Parts and accessories used shall meet the requirements of EN60601 1 1 Disposable dev
105. eller patienten WAARSCHUWING Deze onderhoudshandleiding is enkel in het Engels verkrijgbaar NL e Als het onderhoudspersoneel een andere taal vereist dan is de klant verantwoordelijk voor de vertaling ervan Probeer de apparatuur niet te onderhouden alvorens deze onderhoudshandleiding werd geraadpleegd en begrepen is Indien deze waarschuwing niet wordt opgevolgd zou het onderhoudspersoneel de operator of een pati nt gewond kunnen raken als gevolg van een elektrische schok mechanische of andere gevaren WARNING This service manual is available in English only EN e lfacustomers service provider requires a language other than English it is the customer s responsibility to provide translation services Do not attempt to service the equipment unless this service manual has been consulted and is understood Failure to heed this warning may result in injury to the service provider operator or patient from electric shock mechanical hazards or other hazards HOIATUS See teenindusjuhend on saadaval ainult inglise keeles ET e Kui klienditeeninduse osutaja n uab juhendit inglise keelest erinevas keeles vastutab klient tolketeenuse osutamise eest Arge ritage seadmeid teenindada enne eelnevalt k esoleva teenindusjuhendiga tutvumist ja sellest aru saamist K esoleva hoiatuse eiramine v ib p hjustada teenuseosutaja operaatori v i patsiendi vigastamist elektril gi mehaanilise v i muu ohu tagaj rjel VAROITUS
106. enten durch Stromschl ge mechanische oder sonstige Gefahren kommen NPOElAONOIH2H To TIAPOV eyxelpi lo c pBic SLAaTLBETAL u vo ota AYYALKA E v O TEXVIR C PBI ev c TTEAUTN ATTALTEL TO TIAPOV EYXELP LO OE YAWOOM EKTOS TWV ayyAikwv ATTOTEAEL EVB VN TOU TIEAATN VA TUAP XEL TLC UTTMpEOLES uev dpaong Mny ETT ELP OETE TNV EKTEAEON epyaotov GEPBLS otov ESOTTALOM av EV EXETE OUUBOVAEUTEL kat KATAVONOEL TO 7ta p v EYXELP LO C PBLS e Av EV TPOO ETE TNV TTPOEL OTICINON ALTA EVOEXETAL VA TTPOR NQEL TPALUATLOM S otov TEXVLKO C PBIG oto XELPLOTA rj OTOV CO EVA AT NAEKTOOTIANELA UNXAVLKOUS rj GAAOUG KLVOUVOUS FIGYELMEZTETES Ezen karbantart si k zik nyv kiz r lag angol nyelven rhet el Ha a vev szolg ltat ja angolt l elt r nyelvre tart ig nyt akkor a vev felel ss ge a ford t s elk sz ttet se Ne pr b lja elkezdeni haszn lni a berendez st am g a karbantart si k zik nyvben le rtakat nem rtelmezt k Ezen figyelmeztet s figyelmen k v l hagy sa a szolg ltat m k dtet vagy a beteg ram t s mechanikai vagy egy b vesz lyhelyzet miatti s r l s t eredm nyezheti A V RUN essi bjonustuhandbok er a eins f anleg ensku Ef a j nustuveitandi vi skiptamanns arfnast annas tungum ls en ensku er a skylda vi skiptamanns a skaffa tungum la j nustu Reyni ekki a afgrei a t ki nema a essi j nustuhandb k hefur v
107. er and flat seal o ring Discard both items 6 Follow the instructions for Nautilus Transducer Reassembly on page 7 32 7 26 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Nautilus Transducer Reassembly Nautilus Transducer Reassembly CAUTIONS VISIBLE INSPECTION Ensure the base sealing groove flat seal o ring sealing surface and sealing screws are free of visible surface defects dust dirt and foreign material SINGLE USE COMPONENTS Do not reuse case top flat seal O ring sealing screws or screw caps Discard these items each time a transducer 1s opened SEALS Wetting of seals is not required 1 Install new flat seal o ring 2 Install case top and tighten five sealing screws Hand tighten each screw a small amount going in a clockwise direction skipping every other screw Repeat until all screws are torqued to 48 in oz 3 Apply one drop of Loctite adhesive to the perimeter of the hole for the flat screw cap Figure 7 5 Insert flat screw cap and press into place 4 Apply one drop of Loctite adhesive to the perimeter of the hole for a curved screw cap Insert the curved screw cap being careful to align it according to the curvature of the case top the small burr on the screw cap side should face the outside edge of the transducer See Figure 7 10 and Figure 7 11 Press the screw cap firmly into place Repeat for the remaining three curved screw caps 5 For button style transdu
108. eri sko u og skilin Brot sinna essari a v run getur leitt til mei sla bj nustuveitanda stj rnanda e a sj klings fr raflosti v lr nu eda rum Gheettum AVVERTENZA Il presente manuale di manutenzione disponibile soltanto in lingua inglese e Seun addetto alla manutenzione richiede il manuale in una lingua diversa il cliente tenuto a provvedere direttamente alla traduzione e Procedere alla manutenzione dell apparecchiatura solo dopo aver consultato il presente manuale ed averne compreso il contenuto Il mancato rispetto della presente avvertenza potrebbe causare lesioni all addetto alla manutenzione all operatore o ai pazienti provocate da scosse elettriche urti meccanici o altri rischi c09g EANxX A Nc xs U d vsu A e Y EASHSC NORAD RANAR MERRE NDA BF RI CO ogm tECf26 0c e amp ucU EE Ro e COUV EAXLAI PLE RLU SC REOUT CARAEN PRU TEEN e COBERICIEDGUGA V EAZHSENSGA RFAGS UR ZA CAM RE PISIREJ X 0 ft 0 fe IS C RJ d nIBETEZ d amp d KO BRIDINAJUMS ST apkopes rokasgr mata ir pieejama tikai anglu valoda Ja klienta apkopes sniedz jam nepiecie ama inform cija cit valod klienta pien kums ir nodro in t tulkojumu Neveiciet apr kojuma apkopi bez apkopes rokasgr matas izlas anas un sapra anas ST br din juma neiev ro anas rezult t var rasties elektrisk s str vas trieciena meh nisku vai citu faktoru izrais tu traumu risks apkopes sniedz jam
109. erviceable Assemblies Servicing the Recorder Left Right Alignment 1 Print the continuous recorder test pattern See Printing a Continuous Test Pattern above 2 Check the quality of the printed lines Verify that the horizontal lines print evenly Ideally the distance between the right paper guide at the roller and the first line printed by the test pattern should be 0 490 in which represents a nominal value Use a vernier caliper to measure this distance 3 Use the Volume buttons I or 7 to align the printhead left or right respectively A number between 0 and 255 shows in the FHR display The number increases or decreased as you make adjustments using the Volume buttons IMPORTANT ACCURACY A common mistake in the field is to adjust the printhead so that the first test pattern line prints at 0 mmHg on the paper rather than by measuring the nominal distance This method is often inaccurate as it does not account for paper variations For best results Use only GE paper Ensure paper is correctly loaded as instructed on page 4 2 Use a vernier caliper to adjust the printhead to its nominal position 7 40 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Servicing the Recorder Replacing the Recorder Motor Assembly Equipment Required Procedure 10 11 12 Cleaning the Printhead Phillips screwdriver Motor assembly part no 15136A Remove the AC line
110. es FECG and US print on the center margin of the strip chart paper The FHRI trend is a continuous plain black line on the 120 BPM mark on the top grid of the strip chart paper The FHR2 trend is a bold black ramp trace 7V v on the 150 BPM mark on the top grid of the strip chart paper 170 Series Monitor 2000947 004 12 9 12 10 Addendum Dual Ultrasound Modes Applicable for Corometrics 172 amp 174 Monitors only The dual ultrasound mode of the 170 Series Monitor cannot be tested unless two PS320 Simulators are used or two Model 170 Series ultrasound transducers Do not attempt to test dual ultrasound using one PS320 Simulator and one ultrasound transducer This procedure details using two transducers since it is more practical for a test site If not already on depress the monitor s Record button Plug one ultrasound transducer into the monitor s US1 input connector and the other into the monitor s US2 connector Verify the following on the monitor e The FHRI value shows three steady dashes e The FHR2 value shows three steady dashes e The recorder prints the messages US and US2 on the center margin of the strip chart paper Connect the transducer to monitor s US input connector and Hold the transducer in your hand and rub the back of the hand holding the transducer try to maintain a steady rate and verify the following on the monitor e The FHRI value responds to the rubbin
111. es of PRESS and PRESS respectively Resistors R9 through R12 and capacitors C16 through C18 provide RF filtering and in conjunction with diode limiters D1 and D2 provide protection from electro static discharge Instrumentation amplifier U5 provides a gain of 248 which is given by 49 4E3 R13 1 The output of US which is inverting with respect to the signal PRESS drives the inverting amplifier U6 pin 1 This amplifier has a gain of 4 99 and rolls off at approximately 32 Hz The output of U6 pin 1 drives U6 pin 5 with a division of two formed by resistors R18 and R19 The operation of this amplifier is best understood if analyzed from its quiesent condition of no input signal Under this condition U6 pin 5 is at zero volts therefore U6 pin 6 must also be at zero volts This forces a quiesent current of 75 UA through R20 This current is produced by U6 pin 7 driving the LED that illuminates the photodiode at U10 pins 3 and 4 which is the feedback path The LED also illuminates the photodiode at U10 pins 5 and 6 which are on the non isolated side The current transfer ratio of this photodiode with respect to the photodiode on U10 pins 3 and 4 is 0 85 to 1 05 The tocotransducer and the IUP transducer have the transfer function of 5uV UA Unit Volt excitation Therefore since the excitation voltage is 4 V the input voltage is 0 002V 100UA Units This corresponds to 2 475 V at U6 pin 1 and 1 2375 Vat U6 pin 5 This causes a delta
112. est Table 6 7 Alarm Test Simulator Settings 16 17 18 19 20 Pa 22 23 24 25 US MANUAL General Pattern Memory Use the simulator s Manual Adjustment knob to decrease the US rate to 180 BPM Verify that the Alarm indicator goes out and the heart rate numerics stop flashing Use the simulator s Manual Adjustment knob to increase the US rate to 181 BPM to set off the alarm once more It will take five minutes for the alarm appear Use the simulator s Manual Adjustment knob to decrease the US rate to 180 BPM Verify the following on the monitor The alarm tone continues sounding The Alarm indicator continues flashing The affected heart rate numerics continue flashing Press the monitor s front panel Alarm Silence pushbutton Verify that the visual and audio alarm indications disappear Using the simulator s Manual Adjustment knob input an US signal of 101 BPM Verify that there is no alarm tone sounding from the monitor s speaker Using the simulator s Manual Adjustment knob decrease the US rate to 100 BPM Again verify that there is no alarm tone sounding from the monitor s speaker Using the simulator s Manual Adjustment knob decrease the US rate to 99 bpm After 30 seconds verify the following on the monitor The alarm tone is emitted from the monitor s speaker The Alarm indicator flashes The affected heart rate numerics flash Press the monitor s fro
113. etaining ring down the cable until they are out of the way For Nautilus Tocotransducers only Slide Oetiker clamp over end of cable Score around grey cable jacket 1 inch Peel and remove jacket Trim filler flush to jacket For Nautilus Tocotransducers only Cut vent tubing flush with jacket being careful not to restrict air flow Pull back the braided shield and twist into pigtall Solder the 2 inch prepared green wire to the shield wrapping the 4 inch strip on to the shield Cut wire flush with other conductors of the cable Install shrink tubing over the solder joint of the shield Strip all conductors 4 inch Twist and tin conductors Locate the grounding contact pin longer pin in the kit Solder this pin to the shield wire Solder a short pin to the yellow wire and one end of the green jumper wire Both wires share this pin Solder a short pin to the free end of the green jumper wire Solder a short pin to each of the other conductors For Nautilus Tocotransducers only Crimp Oetiker clamp over cable jacket Y inch from end Continue with Plug Assembly on page 7 13 Revision D 170 Series Monitor 7 5 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits nt SR t qe p A I E Vent Tube Nautilus only co V Oetiker Clamp eA Nautilus only NN Se Shield IS 1 24 AWG Green Jumper Wire 1 Shrink Tubing _ K 2
114. evision D 2000947 004 Controls Indicators and Connectors Front Panel Displays and Indicators E Alarms Disabled Indicator This yellow indicator illuminates when all alarms have been disabled The indicator 1s unlit when alarms are enabled Refer to Chapter 4 Setup Procedures for information on enabling disabling alarms A Audio Alarm Indicator Active Patient Alarms For active patient alarms this yellow indicator flashes it continues to flash even if the alarm is silenced Resolved Patient Alarms For resolved patient alarms the indicator continues to flash until you silence the alarm This ensures that the alarm is acknowledged by a clinician Signal Quality Alarms For signal quality alarms the indicator flashes during an active alarm and turns off as soon as the condition is resolved The indicator is unaffected by silencing the audio alarm Revision D 170 Series Monitor 3 7 2000947 004 Controls Indicators and Connectors Front Panel Connectors Front Panel Connectors Model 171 Connectors Figure 3 2 Model 171 Connectors 94 Ultrasound Connector The ultrasound connector is a blue round receptacle mechanically keyed to accept only a Corometrics ultrasound transducer plug The fetal heart rate derived from this transducer shows in the fetal heart rate display fa Uterine Activity Connector The uterine activity connector is a white round receptacle mechanically keyed to accept a Cor
115. file Top cover Rear panel adhesive gasket Rear panel label Membrane switch panel 9 999999 Display overlay Refer to Table 7 13 for order numbers Table 7 13 Top Cover Assembly Order Numbers Model 171 Model 172 Model 173 Model 174 2004993 003 2004993 001 2004993 002 2004993 0042 Replaces older 15453CA top covers Replaces older 15453AA top covers Replaces older 15453BA top covers Replaces older 15453DA top covers CO OO OC Oo 1 32 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Replacing the Membrane Switch Panel Procedure 1 Disconnect the AC adapter from the monitor to completely remove power 2 Follow the instructions for Removing the Monitor Top Cover on page 7 19 3 Unscrew the top cover standoff and set aside You may need a wrench to loosen the standoff 4 Remove the two display board bracket screws Set aside the display board and screws 5 Remove the screw fastening the membrane shield tongue Set aside the screw 6 Remove the rear panel plug in J4 and set aside 7 Newer monitors have top covers with tabs which fit into corresponding slots in the bottom enclosure Refer to Figure 7 12 and Figure 7 13 If you are installing a newer tabbed top cover onto an older bottom enclosure without slots you must remove the tabs Use a small hand file or other tool to remove the plastic tabs 8 Apply the new membrane switch panel peel off the adhesive backing a
116. for additional information about fetal heart rate trends and annotations 3 12 170 Series Monitor Revision D 2000947 004 Controls Indicators and Connectors Strip Chart Recorder Uterine Activity Grid The uterine activity trend prints in black on the bottom or right grid of the strip chart paper Refer to the 170 Series Operator s Manual for more information about uterine activity trends and annotations Annotation Area An annotation area is provided between the fetal heart rate and uterine activity grids Revision D 170 Series Monitor 3 13 2000947 004 Controls Indicators and Connectors Rear Panel Connectors Rear Panel Connectors RO 202 2 CONNECT TO GE MEDICAL SYSTEMS REF 7714AAT ONLY e 4 N nod Figure 3 7 Rear Panel Connectors Power Supply Connector This 1s the receptacle for the AC adapter P N 7714AAT only A line cord connects from the other end of the adapter to an AC wall outlet The connector is labeled CONNECT TO GE MEDICAL SYSTEMS REF 7714AAT ONLY The power supply is a universal AC to DC converter which can accept an AC input in the range 100 230 VAC The converter supplies a regulated 12 Vdc to the monitor j FAST Connector This connector is provided for attaching an optional Corometrics Model 146 Fetal Acoustic Stimulator FAST The annotation 3 prints on the strip chart each time the Model 146 is used t Remote Mark Connector This con
117. formation is transmitted once per second when active until the condition is resolved NOTE Refer to Requested Data Format on page 8 12 for information about the response data format The format is the same for both the 115 Update mode and the 115 Transmit Receive mode Revision D 170 Series Monitor 8 11 2000947 004 Peripheral Devices RS 232 Connectors 115 Transmit Receive Mode Requested Data Format Once a valid request for data 1s received the 170 Series Monitor will send only the information that is requested The selection of this information is done by sending a request stream to the 170 Series Monitor After processing the request the 170 Series Monitor will then send only the selected parameters to the external computer The information selected by the external computer will be transmitted following the same criteria described for the 115 Update Mode The requested parameters may be changed at any time by the host computer by sending a new request sequence NOTE Refer to Requested Data Format on page 8 12 for information about the response data format The format is the same for both the 115 Update mode and the 115 Transmit Receive mode The format of the data requested by the external computer from the monitor is shown in Figure 8 2 NOTE This applies to 115 Transmit Receive mode only The definitions of the bytes are as follows Monitor Type This field contains a 1 byte ASCII value indicating the type of mo
118. g e The FHRI heartbeat indicator Y responds to the input e The recorder prints the heart rate tracing corresponding to the rate and the trace is plain black Connect the transducer to monitor s US2 input connector and Hold the transducer in your hand and rub the back of the hand holding the transducer try to maintain a steady rate and verify the following on the monitor e The FHR2 value responds to the rubbing e The FHR2 heartbeat indicator responds to the input e The recorder prints the heart rate tracing corresponding to the rate and the trace is bold black 7 170 Series Monitor Revision D 2000947 004 Revision D Alarm Tests Table 12 4 Alarm Test Simulator Settings Function Key Setting Ultrasound US1 Port Addendum This portion of the test ensures the integrity of the audio alarms and tests the alarm limit software 10 11 12 US Rate 120 BPM Amplitude 13 14 Connect the MFH to US1 port in P5320 Simulator via the cable supplied with the MFH 1 Place the Ultrasound Transducer face up on the work surface and coat it with Ultrasound conductive gel and place the MFH on the Ultrasound transducer and connect the Ultrasound Transducer to US1 channel on the Coro Monitor Press and hold for three seconds Setup to enter the monitor s setup mode Set the FHR alarm enable to on Set the FHR high alarm limit value to 180 BPM Set the FHR low alarm limit value to 10
119. g is a summary of all the clinical monitoring methods found in the 170 Series External Method Pulsed Doppler Ultrasound Ultrasound monitoring is available on all 170 Series Monitors Models 171 and 173 provide a single ultrasound channel while Models 172 and 174 provide two ultrasound channels Fetal heart rate can be measured externally using pulsed Doppler Ultrasound A transducer placed on the mother s abdomen is used to direct an ultrasonic beam toward the fetal heart and to sense Doppler shifted echoes created by moving cardiac structures A patented autocorrelation process is used to determine the timing of successive cardiac cycles The resulting fetal heart rate FHR pattern is recorded on the strip chart paper and the FHR appears on the digital display Internal Method Direct Fetal Electrocardiogram FECG FECG is available on Models 173 and 174 only The Model 173 provides a dedicated FECG connector The Model 174 provides a combi connector which can be used for either FECG or US FECG signals are obtained via a spiral electrode attached to the fetal presenting part FHR is computed on a beat to beat basis using the R to R time interval of the QRS complexes The instantaneous FHR pattern is printed on the strip chart paper and the FHR appears on the digital display Maternal Uterine Activity External Method Tocotransducer TOCO Maternal uterine activity is measured externally using a tocotransducer toco Relative p
120. gnal Description PRESSURE Positive Input to Pressure Amplifier PRESSURE Negative Input to Pressure Amplifier No Connection 4 VOLT EXCITATION 4 Volt Reference No Connection Z Z GND EXCITATION REF 4 Volt Reference Ground UA SHIELD Shield No Connection No Connection cil zZ OO O 0 No Connection NC 171 172 No Connection 171 172 IUP ENABLE 173 174 Mode Enable for IUP 173 174 12 TOCO ENABLE Mode Enable for TOCO Active low Figure 5 8 Uterine Activity Connector facing the front panel from the outside Revision D 170 Series Monitor 2000947 004 Theory of Operation Functional Overview Signal Name TMARK TELPR NC 171 172 TECGEN 173 NC 171 172 TECG 173 a SS lum o e e mem 9 e CE ow a mew ERA a NC 171 172 TIUPEN 173 Table 5 13 Telemetry Connector Signal Type Relative To Main Board Input Input Input Input Input Output Input Output Input Input Input SCH OO Ome Signal Description Telemetry Present active low No Connection 171 172 Telemetry FECG Enable 173 174 No Connection No Connection 171 172 Telemetry FECG 173 174 Telemetry TOCO Analog Ground Telemetry US Audio Digital Ground No Connection Telemetry TOCO Enable Telemetry US Enable No Connection 171 172 Telemetry IUP Enable 173 174 No Connection No Connection OOM ef One FOL OLLOLLOLIO Figur
121. gnoses and decide on treatments or interventions Visual assessment of the monitor display and strip chart must be combined with knowledge of patient history and risk factors to properly care for the mother and fetus Revision D 170 Series Monitor 1 3 2000947 004 Safety Definitions of Terminology Definitions of Terminology Six types of special notices are used throughout this manual They are Danger Warning Caution Contraindication Important and Note The warnings and cautions in this Safety section relate to the equipment in general and apply to all aspects of the monitor Be sure to read the other chapters because there are additional warnings and cautions which relate to specific features of the monitor When grouped warnings and cautions are listed alphabetically and do not imply any order of importance Table 1 1 Definitions of Terminology A DANGER notice indicates an imminently Danger hazardous situation which if not avoided will result in death or serious injury A WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury A CAUTION indicates a potentially hazardous Situation which if not avoided may result in minor Caution E or moderate injury Cautions are also used to avoid damage to equipment A CONTRAINDICATION describes any special symptom or circumstance that renders the use of a remedy or the carrying out of a procedure inadvisab
122. guration with a gain of 2 5 and capable of delivering 1 5 W of power into 8 2 Figure 5 18 provides block diagram of the audio module 5 30 170 Series Monitor Revision D 2000947 004 Theory of Operation Main Board Theory of Operation ni Bridge TORAN Amplifier Digital Potentiometers for Volume Channel 1 Control x3 US Audio Ultrasound Audio Channel 2 Doubler US Audio Serial Clock and Data Figure 5 18 Audio Module Block Diagram Ultrasound Envelopes The outputs of the main filters are also input to U32 and U35 The input to U35 is through high pass filters at 63 Hz The high pass components for Channel 1 and Channel 2 are C154 R338 and C159 R357 respectively The output of the main filters are also input to U32 this integrated circuit in conjunction with U35 forms an AGC automatic gain control circuit for both ultrasound channels Each of these AGC circuit has a maximum gain of 200 with a dynamic range of 46 dB Each ofthe AGC outputs are high pass filtered by C169 R343 at 90 Hz with a gain of one then input to a half wave detector U36 pin 7 with a gain of 1 47 The output of the detector circuits are low pass filtered by U36 pin 1 at 20 Hz at gain of ten These envelopes are then input to the analog to digital converter U38 Other inputs to the analog to digital converter are the telemetry TOCO signal This signal is scaled and offset to provide 100 to 400 relative UA uni
123. he green ground wire on the PC board 11 Install new flat seal o ring 12 Nautilus Tocotransducers only Prior to replacing the case top it is recommended that you calibrate the transducer Refer to Tocotransducer Calibration on page 7 20 prior to completing the cable replacement procedure 13 Follow the instructions for Nautilus Transducer Reassembly on page 7 32 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Removing the Monitor Top Cover Removing the Monitor Top Cover 1 Unplug the AC adapter from the monitor to completely remove power 2 Remove the four bottom panel screws CAUTION TOP COVER The top cover remains tethered to the main board via the display board and membrane switch panel cables Do not attempt to remove the monitor cover without first disconnecting these cables 3 Partially lift the top cover and slide it partways back to reveal the cables connecting to the main board 4 Disconnect the display board cable from J18 on the main board 5 Disconnect the membrane switch panel cable from J19 on the main board Revision D 170 Series Monitor 2000947 004 Serviceable Assemblies Tocotransducer Calibration Tocotransducer Calibration Any of the following three transducers can be used with the 170 Series Monitor Corometrics Nautilus Tocotransducer P Pin 1 P Pin 2 4 V Pin 4 4750 REF Pin 6 Front Panel UA Connector Figure
124. his procedure should be completed prior to initially placing the monitor on a patient when monitor performance needs to be verified on a semi annual basis or more frequently as dictated by your equipment maintenance and management policies NOTE Read each step of this procedure thoroughly before actually performing the test Visually inspect the monitor patient cables and other accessories for cracks fissures or other signs of wear or damage Do not use any monitor or accessory which appears to be worn or damaged If unsure contact your GE Service Representative to arrange for evaluation replacement or repair of the suspect item s Revision D 170 Series Monitor 6 3 2000947 004 Functional Checkout Procedure Monitor Self Test Monitor Self Test The 170 Series Monitor contains test routines which verify the unit s calibration and internal circuitry These routines are initiated by each time the monitor is turned on The test results are printed on the strip chart recorder paper verifying the integrity of the unit This information 1s covered in detail in Monitor Self Test Routines on page 4 8 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure Front Panel Pushbutton Test Front Panel Pushbutton Test This procedure ensures the functionality of the front panel pushbuttons 1 Disconnect all transducers from the front panel 2 Enter the service setup mode see page 4 10
125. i Static Handling Precautions o 7 2 Transducer Plug Replacement Kits 7 3 Nautilus Transducer Cable Replacement 7 15 Removing ihe Monitor Top LOV orcos rar 7 19 Topotransducer Calibration 2442 AER E ds rada 7 20 Nautilus Ultrasound Transducer Top Cover Replacement 7 30 Nautilus Transducer Reassembly o ooooooooooooooo o 7 32 Testing a Repaired Transducer TOCO or US 7 34 Replacing the Main Board 7 35 Replacing the Membrane Switch Panel 7 37 Replacing a Front Panel Connector i sse RR es 7 40 Sefvicing the Recorder socorrer vend cue ioeae dbase da 7 41 Revision D 170 Series Monitor 2000947 004 1 1 Serviceable Assemblies General Anti Static Handling Precautions General Anti Static Handling Precautions The following guidelines should be followed when handling circuit boards or assemblies containing circuit boards Following these procedures helps resist damage that can be caused by static electricity 99 Discharge any static charge you may have built up before handling parts Wear a grounded anti static wristband at all times Use a static free work surface Store items in anti static bags or boxes Do not remove items from anti static containers until needed 1 2 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits
126. ices are intended for single use only They should not be reused Periodically and whenever the integrity of the monitor is in doubt test all functions Refer to the Maternal Fetal Monitoring Operator s Manual for information concerning the limitations of internal and external fetal heart rate monitoring techniques Responsibility of the Manufacturer GE is responsible for the effects on safety reliability and performance if m assembly operations extensions readjustments modifications or repairs are carried out by persons authorized by GE m the electrical installation of the relevant room complies with the requirements of appropriate regulations and m the monitor is used in accordance with the instructions of use Responsibility of the User This device is intended for use by clinical professionals who are expected to know the medical procedures practices and terminology required to monitor obstetrical patients This manual documents all possible parameters available in the 170 Series of monitors It is the responsibility of each hospital to ensure that the Labor and Delivery staff 1s trained in all aspects of the selected model The 170 Series Monitor is designed to assist the perinatal staff by providing information regarding the clinical status of the fetus during labor The monitor does not replace observation and evaluation of the mother and fetus at regular intervals by a qualified care provider who will make dia
127. input an Ultrasound signal of 120 BPM Verify the following on the monitor e The FARI value is 120 BPM e The FHRI heartbeat indicator 9 flashes at a rate of 120 times per minute e Ultrasound audio volume from the rear panel speaker can be increased or decreased using the upper left pair of Volume buttons Set the volume to the desired level e The recorder prints a continuous line at 120 BPM on the top grid of the strip chart paper e The recorder prints the message US on the center margin of the strip chart paper after approximately 20 seconds 6 Increase the value of US from 120 BPM baseline to 150 BPM in the simulator Verify the following on the monitor e The FHRI value immediately reflects this new input rate e The strip chart recorder immediately reflects this new input rate 7 Decrease the value of US from 120 BPM baseline to 90 BPM in the simulator Verify the following on the monitor e The FHRI value immediately reflects this new input rate e The strip chart recorder prints at the last input rate for an additional 3 seconds before blanking the heart rate data and printing a continuous line at the new input rate Revision D 170 Series Monitor 12 5 2000947 004 Addendum 8 Set the simulator value for each of rate 60 90 120 150 180 and 210 BPM Verify the following on the monitor The FHRI value reflects the simulator setting 1 BPM The FHRI heartbeat indicator Y flashes at the simulator setting Ultrasound
128. inthead in place The printhead will drop out 6 Insert the new printhead aligning the edges near the ends flush with the support plate Secure with the four screws 7 Slowly close the drawer observing the roller and printhead Ensure that the roller is parallel to the printhead striking the printhead evenly as the drawer shuts 8 Replace the printhead cable 9 Verify that there is a slight gap 0 003 in minimum between the shoulder nut standoff and the downstop plate without paper installed Adjust accordingly 10 Follow the instructions for Aligning the Printhead on page 7 43 11 Once the recorder prints satisfactorily secure the monitor top cover in place 7 36 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Servicing the Recorder Adjusting the Printhead Current Equipment Required Phillips screwdriver Digital voltmeter 300 20 W 5 resistor Procedure CAUTION RECORDER STATUS Ensure the recorder remains off during this procedure 1 Remove the AC line cord from the monitor to completely remove power 2 Follow the instructions for Removing the Monitor Top Cover on page 7 19 including disconnection of the display board cable and the membrane switch panel cable from the main board 3 Disconnect the printhead cable from J1 on the main board 4 Locate resistor R562 and potentiometer R507 on the main board 5 Attach the leads of the digital voltmeter across R562 6
129. ion D 170 Series Monitor 5 29 2000947 004 Theory of Operation Main Board Theory of Operation Filtering The main filter is a band pass amplifier with 3 dB points at 120 Hz and 300 Hz respectively The band width slopes are greater than 40 dB octave The maximum gain of the filter is 46 dB with peaking of approximately 48 dB at 250 Hz The nominal gain in the system is approximately 36 dB and is controlled by R454 The Channel 1 main filter is comprised of U51 and associated components The output of the track and hold circuit of Channel 2 at U46 pin 1 is connected directly to the Channel 2 main filter The main filter is a band pass amplifier with 3 dB points are 120 Hz and 300 Hz respectively The band width slopes are greater than 40 dB octave The maximum gain of the filter is 46 dB with peaking of approximately 48 dB at 250 Hz The nominal gain in the system is approximately 36 dB and is controlled by R467 The Channel 2 main filter is comprised of U52 and associated components Integrated circuit U40 switches the output of either the Channel 1 demodulator the Channel 2 demodulator or telemetry audio to the fetal movement band pass filter This filter has a gain of 3 5 and corner frequencies of 15 Hz and 39 Hz respectively It is comprised of U41 and associated components The output of the fetal movement filter is input to the analog to digital converter The output of the main filters are input to U10 through capacitors C44 and
130. itor spilling liquids on the monitor or crimping the lead wires or patient cables can cause damage which may affect the overall system performance This chapter contains the following Equipment Required i d estes re RC e E 6 2 Slo ETTET e ee Ge EE EE eg d e ee 6 3 Monitor Sol Test ociosa adan aaa 6 4 Front Panel Pushbutton Test 3 dE REN NEE e dea 6 5 Connecting the Simulator AA eg om a A 6 6 POCA TEM EE 6 7 Legplate Inspection uou mme xat bE rrtt castes id 6 12 Ultrasound A 6 13 Fetal Movement Detection Test As EE sr ER RR 6 16 Ultrasound Transducer Test 6 18 Uterine Activity Test osos EE e RERO E tika 6 19 Tocotransducer Test cia se a o o RC E es 6 21 Strain Gauge Transducer Test 6 22 Pater Memory DOSE Lis euam dana RNA 6 23 Dual Heart Rate Test Non Pattern 6 24 ATO TRE os cua una 045 0 3a dup EC JE 2E US he eae 6 28 Revision D 170 Series Monitor 2000947 004 Functional Checkout Procedure Equipment Required Equipment Required Table 6 1 provides a complete listing of equipment required for a functional checkout procedure Table 6 1 Equipment Required m Model 325 Simulator 14203A B FECG m Monitor Interconnect Cable 14212A B m Legplate for Qwik Connect Plus with round connector Legplate 1590AAO m Model 325 Simulator 14203A B US FMD m Monitor Interconnect lis 14212A B m Nautilus Ultrasound Transducer US Transducer 5700GAX 5700MAX Series m
131. jection CMR Test Jack Figure 7 7 and Table 7 8 Potentiometer Adjustment Tool 52 5 gram Weight cat no 2003005 001 Torque Seal Loctite Adhesive 454 recommended Anti Static Wristband Static Free Work Surface Calibrated 170 Series Monitor Disassembly CAUTION HANDLING Take care not to damage the transducer base sealing groove 1 Turn off the monitor 2 Unplug the transducer from the monitor 3 Use the screw cap extraction tool to pry off the five screw caps Figure 7 5 Discard all caps 4 Remove the five sealing screws and discard 5 Remove the transducer cover and flat seal o ring Discard both items 1 22 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Tocotransducer Calibration Calibration for Cat No REF 2264 GAX HAX JAX KAX LAX MAX Refer to Figure 7 6 during calibration 1 Set the Gain R11 and Offset R6 potentiometers fully clockwise 2 Connect the positive lead of the digital voltmeter to TP2 on the Main Board connect the negative lead to TP9 3 Turn on the monitor 4 Plug the CMR Test Jack into the monitor s UA connector 5 Measure the voltage across the test points and record the value 6 Replace the CMR Test Jack with the transducer to be calibrated 7 Place the tocotransducer on a flat surface so that the button is face up then center the 52 5 gram weight on the pressure sensitive button 8 Adjust the Offset R6 potentiometer so that th
132. k button and verify that an event mark T prints on the bottom two lines of the recorder paper Revision D 170 Series Monitor 6 5 2000947 004 Functional Checkout Procedure Connecting the Simulator Connecting the Simulator NOTE For using PS320 simulator refer Addendum to use PS320 simulator This part of the procedure prepares the simulator for use NOTE You must use a Model 325 Simulator for the functional checkout procedure Monitors in the 170 Series do not work with Model 305 Simulators NOTE For using P320 simulator refer Addendum to use P320 simulator from page 12 2 1 Ensure the Model 325 Power switch is in the off position 2 Connect the Model 325 Simulator s power cord to the power receptacle on the rear panel of the simulator plug the other end of the power cord into a properly grounded wall outlet of appropriate voltage 3 Ensure the 170 Series Monitor is turned off 4 Connect the simulator interconnect cable s 50 pin end to the simulator s Fetal Monitor connector 5 Connect the sub cables of the other end of the simulator interconnect cable into the color coded connectors on the monitor adapter US and UA as required by the procedure 6 Turn on the Model 325 Simulator Verify that the green Power indicator 1lluminates 7 Turn on the 170 Series Monitor xt 6 6 170 Series Monitor Revision D 200094 004 Functional Checkout Procedure FECG Test FECG Test This
133. l 140173 418830 001 Battery for time Keeper RAM 2000222 001 Drawer Release Spring 2000178 001 Plug Call Light 2000186 001 Plug Nicoly 2000246 001 Plug Telemetry Orderable 2000235 002 Speaker Cable Assy Orderable Corometrics Series 170 Printed Circuit Boards 15301A Display Board for Model 171 172 173 174 2027372 002 Main Board Dual U S for Model 172 loaded with V 3 23 2027376 002 Main Board Single U S for Model 173 loaded with software version 3 23 2027385 001 FECG UA Board for Model 173 2000243 014 Main Board Single U S for Model 171 loaded with software version 3 23 2027380 002 Main Board Dual U S for Model 174 without U S FECG 174 board 2027389 001 Dual FECG US Board for Model 174 2027368 002 Main Board Single U S for Model 171 loaded with software version 3 23 15231A Sensor Board for Model 171 172 173 174 11 20 170 Series Monitor Revision D 2000947 004 evision Addendum to use PS320 Simulator 170 Series Monitor 12 1 2000947 004 Addendum PS 320 Simulator startup 1 Connect the correct simulation cables to the PS320 and fetal monitor Single or twin ultrasound simulation is available 1 or 2 US cables Refer the Manufacturer part number mentioned below for the correct cable 2462519 GE Corometrics EXT TOCO Simulation Cable 2462469 GE Corometrics IUP TOCO Simulation Cable 2651757 MFH 1 Mechanical Fetal Heart Probe 2056279 001 Multilink 3 Lead FECG cable To be purchased from GE 2 Connect
134. l Connector Equipment Required Screwdriver Connector see Table 7 14 De soldering tool Soldering iron Solder 99 Table 7 14 Front Panel Connectors US US2 212174 UA TOCONUP 212173 FECG Dark Grey 212175 COMBI US FECG Blue and Grey 2003692 001 Procedure 1 Disconnect the AC adapter from the monitor to completely remove power 2 Follow the instructions for Removing the Monitor Top Cover on page 7 19 It is not necessary to disconnect the cables You only need access to the front panel connectors 3 Follow the instructions for Replacing the Main Board on page 7 35 There is no need to remove the FECG IUP Board 4 Remove the six screws from the front end connector shield 5 De solder the damaged connector and discard 6 Solder a new connector in place 7 Replace the connector shield main board and top cover Revision D 170 Series Monitor 7 35 2000947 004 Serviceable Assemblies Servicing the Recorder Servicing the Recorder Replacing the Printhead Equipment Required Phillips screwdriver Vernier caliper Printhead part no 2000133 001 Procedure 1 Remove the AC line cord from the monitor to completely remove power 2 Follow the instructions for Removing the Monitor Top Cover on page 7 19 3 Pry the printhead cable connectors free from the back of the printhead 4 Open the recorder drawer 5 Remove the four screws two per side holding the pr
135. l purposes Unpack the kit and ensure it contains the items listed in Table 7 7 If something is missing contact your GE Service Representative immediately NOTE Transducers are available in 5 8 and 10 foot cable lengths However the cable assembly included in a replacement kit is available in an 8 foot length only Table 7 6 Kit Summary Nautilus Transducer Cable Kit Type and Cat No REF Cat No REF Loop Style Ultrasound Transducer 5700 KAX LAX MAX 2003659 001 Button Style Ultrasound Transducer 5700 GAX HAX JAX 2003660 001 Loop Style Tocotransducer 2264 DAX EAX FAX KAX LAX MAX 2003661 001 Button Style Tocotransducer 2264 AAXIBAXICAXIGAXIHAXIJAX 2003662 001 Table 7 7 Packing List e a EX Belt Knob 4 The belt knob is included in button style kits 2003660 001 and 2003662 001 only Revision D 170 Series Monitor 7 15 2000947 004 Serviceable Assemblies Nautilus Transducer Cable Replacement Equipment Required You will need the following equipment Phillips Head Torque Driver Screw Cap Extraction Tool cat no 2004084 001 Soldering Iron and Solder ultrasound transducers only Loctite Adhesive 454 recommended Anti Static Wristband Static Free Work Surface Reference Figures Refer to Figure 7 5 and Figure 7 6 while using the cable replacement kit Flat Screw Cap O Self Tapping Cable Nut Screws Set Screw i NY Tocotransducer Tocotransducer 2264 AAXIBAXICAXIDAXIEAXIFAX 2
136. le however you will be unable to see the heart rate and uterine activity values on the display while in the user setup mode You can only enter the service setup mode from a power off state NOTE If an alarm occurs while in user setup mode the heart rate display will not flash however the alarm indicator fA flashes and the audio alarm sounds As soon as you exit the setup mode the affected display flashes to indicate the alarm condition 1 Enter the appropriate mode user or service as follows User To enter the user mode Press the monitor s Power button A to turn on the monitor VVait until the monitor completes the self test routine and enters the normal operating mode Press and hold the Setup button setup mode for three seconds to enter the user Service To enter the service mode Press and hold the Setup button Press and hold the blue Power button x Release both buttons The service mode is now activated 2 Usethe UA Reference button M to toggle between the setup code shown in the UA display and the setting or value shown in the primary FHR display The UA display is active when the qualifier illuminates the FHR display is active when the heartbeat indicator J illuminates 3 Use the Volume buttons US to increase A or decrease V the code value or setting shown in the active display Refer to Table 4 2 user codes or Table 4 3 service codes For Models 1
137. le usually because of a risk Contraindication An IMPORTANT notice indicates an emphasized note It is something you should be particularly aware of something not readily apparent A NOTE indicates a particular point of information something on which to focus your attention 1 4 170 Series Monitor Revision D 2000947 004 Safety Monitor Contraindications Warnings and Precautions Monitor Contraindications Warnings and Precautions Warnings WARNINGS ACCIDENTAL SPILLS In the event that fluids are accidentally spilled on the monitor take the monitor out of operation and inspect for damage APPLICATION This monitor is not designed for direct cardiac connection CONDUCTIVE CONNECTIONS Avoid making any conductive connections to applied parts patient connection which are likely to degrade safety CONDUCTIVE PARTS Ensure that the conductive parts of the lead electrodes and associated connectors do not contact other conductive parts including earth DEFIBRILLATION During defibrillation all personnel must avoid contact with the patient and monitor to avoid a dangerous shock hazard In addition proper placement of the paddles in relation to the electrodes is required to minimize harm to the patient ELECTRICAL SHOCK To reduce the risk of electrical shock do not remove monitor cover Refer servicing to qualified personnel ELECTROMAGNETIC INTERFERENCE Be aware that strong electromagnetic field
138. le from FLUKE Biomedical for your nearest location refer www flukebiomedical com Note 2 The Fluke simulator needs to be calibrated periodically Annual calibration Revision D 170 Series Monitor 12 3 2000947 004 Addendum FECG Test This portion of the functional checkout procedure ensures the integrity of the FECG circuitry and the heart rate channel of the recorder 1 Connect the 3 Lead FECG cable from the Coro Monitor to the left panel Terminals of the PS 320 Simulator As per below mentioned Table 3 Lead ECG Terminal Left Panel Terminal of PS320 Simulator Fet Mat 2 Set the values on the PS320 Simulator according to Table below Table 12 1 FECG Test Simulator Settings Function Key Setting Fetal ECG Fetal Rate 30 BPM Amplitude 50 uV 3 Verify the following on the monitors display e The FARI Value is 30 BPM e The FHR heartbeat indicator 9 flashes at a rate of 30 times per minute e The ECG beep volume of the rear panel speaker can be increased or decreased using the Volume buttons Set the volume to the desired level e The recorder prints a continuous line at 30 BPM on the top grid of the strip chart paper e The recorder prints the message FECG on the center margin of the strip chart paper after approximately 20 seconds 4 Set the value on the PS320 Simulator to 120 BPM Verify the following on the monitor e The FARI Value is 120 BPM e The FHRI heartbeat indicator 9 fla
139. leaning Clean the monitor s exterior Refer to Cleaning the Monitor Exterior on page 9 2 Clean the recorder printhead Refer to Cleaning the Printhead on page 7 46 Clean the monitor s accessories Refer to Cleaning the Tocotransducer Ultrasound Transducer and Legplate on page 9 3 Clean the monitor s interior using a hand held vacuum Calibration Ll Adjust the printhead Refer to Aligning the Printhead on page 7 43 Ll Calibrate the tocotransducer s Refer to Tocotransducer Calibration on page 7 20 9 6 170 Series Monitor Revision D 2000947 004 Maintenance Preventative Maintenance Inspection Electrical Safety Tests Recommendations Test Conditions Electrical safety tests provide a method of determining 1f potential electrical hazards to the patient or operator of the device exist The Patient Leakage Tests are performed with reference to IEC Standard 60601 2 49 GE recommends that you perform all safety tests presented in this chapter upon receipt of the device monitor and its associated equipment every twelve months thereafter each time the main enclosure is disassembled or a circuit board 1s removed tested repaired or replaced and record the date and results in a Maintenance Repair Log These instructions are intended for every component in the system WARNING MAINTENANCE SCHEDULE Failure to implement a satisfactory maintenance schedule
140. lower this impedance to 3 6 kQ The gain of the preamplifier is approximately 19 dB and is defined by RI 1 2 gm R386 3 6k 1 002 200 Transistor Q14 and transformer T1 provide a differential output for the preamplifier Diode D19 provides protection for Q13 and removes the low impedance tank circuit L3 and C211 and C212 during transmission by shunting L3 Diode D20 provides overload recovery for the preamplifier and voltage limiting to the demodulator through Q14 and TI 0 28 170 Series Monitor Revision D 2000947 004 Theory of Operation Main Board Theory of Operation U43 1s a quad switched capacitor integrated circuit configured as a balanced ring demodulator Its analog inputs are connected to the differential outputs of the pre amplifier at the secondary of T1 The switches within the device are actuated by the signal DET BURSTI The two analog outputs of U43 drive the difference amplifier U44 and its associated components Integrated circuit U45 switches the output of the difference amplifier U44 pin 14 to the track and hold circuit of either Channel 1 or Channel 2 The track and hold circuit for Channel 1 is comprised of components R408 C225 and buffer amplifier U46 pin 7 The track and hold circuit for Channel 2 is comprised of components R409 C226 and buffer amplifier U46 pinl The track and hold circuits retain the amplitude of the last value from the previous demodulator activation If this method
141. luminates the photodiode at U11 pins 5 and 6 which are on the un isolated side The current transfer ratio of this photodiode with respect to the photodiode on U11 pins 3 and 4 is 0 85 to 1 05 The input voltage required to drive U8 pin 1 to either of its power supply limits is approximately 1 44 mV peak This corresponds to approximately 5 V at US pin 1 for 0 72 mV input and 4 55 V at US pin 5 This causes a delta current of 34 2 uA through R69 which is also transferred across the barrier with the same transfer ratio of 0 85 to 1 05 This current is input to U15 pin 3 with resistor R75 being the load resistor that produces a voltage proportional to the current transferred to it Amplifier U15 pin 7 produces an offset voltage of 1 97 V The quiesent current of 75 uA flowing through R75 will produce a voltage of approximately 1 25 V at U15 pin 3 A 0 72 mV signal peak to peak at the input will produce approximately 1 26 V at U15 pin 1 Thus 1 44 mV at the input will produce 2 52 V at U15 pin 8 Amplifier U15 pin 14 is a non inverting amplifier with a gain of one It also provides 3 sections of high pass filtering at 25 Hz Amplifier U15 pin 8 is a non inverting amplifier with a gain of one It also provides 3 sections of low pass filtering at 90 Hz The FECG enable ties resistor R87 to the floating ground when the FECG cable is attached This causes approximately 4 5 mA to flow in the LED of opto coupler U17 The curre
142. m When the Model 115 Fetal Monitor was released many customers developed their own interfaces for communicating with the monitor Setting the 170 Series Monitor to one of these communication modes allows these users to use their existing interfaces with the 170 Series Monitor as well The 170 Series Monitor emulates the Corometrics Model 830 Converter s implementation of the 115 Communication Protocols This protocol is named after the Corometrics Model 115 Fetal Monitor in which it originated NOTE The baud rate must match the external computer however the recommended baud rate is 9600 Lower baud rates may result in some data loss 8 10 170 Series Monitor Revision D 2000947 004 Peripheral Devices RS 232 Connectors 115 Update Mode All information is transmitted from the 170 Series Monitor as soon as the information becomes available IMPORTANT DATA REQUESTS When set to the 115 Update Mode the 170 Series Monitor will not respond to any requests for information sent from an external host computer Heart rate data is transmitted on a quarter second basis Uterine activity is transmitted eight times per second Modes are transmitted once per minute and whenever a mode change occurs Annotation messages are sent as they are entered from the Annotations window Event marks are transmitted each time the Mark button 1s selected Fetal movement data 1s transmitted four times per second Recorder status PAPER OUT in
143. m Teflon Weight on the transducer face and verify the value as 73 45 0 UA 11 Remove the TOCO transducer from the monitor s UA input receptacle Verify the following on the monitor The UA value is blank The recorder stops printing the uterine activity trace The recorder prints the message UA INOP on the center margin of the strip chart paper after approximately 20 seconds Revision D 170 Series Monitor 6 21 2000947 004 Functional Checkout Procedure Strain Gauge Transducer Test Strain Gauge Transducer Test 1 Inspect a strain gauge as follows Unscrew the plastic dome from the transducer and check for any cracks or contaminants on the transducer Visibly assess the condition of the cable strain relief and the connector pins 2 Connect the strain gauge to the UA input receptacle on the front panel of the monitor Verify the following on the monitor The UA value may read negative numbers indicating baseline pressure is off scale In this case the message BASELINE PRESSURE OFF SCALE prints on the strip chart paper After approximately 20 seconds the message IUP prints on the center margin of the strip chart paper 3 Select the monitor s UA Reference button and verify the following on the monitor The UA value is 0 mmHg The UA trend is a continuous line at 0 mmHg on the strip chart paper The message UA REF prints on the strip chart paper 4 Apply gentle pressure on the st
144. may cause undue equipment failure and possible health hazards Unless you have an Equipment Maintenance Contract GE does not in any manner assume the responsibility for performing the recommended maintenance procedures The sole responsibility rests with the individual or institution using the equipment GE service personnel may at their discretion follow the procedures provided in this manual as a guide during visits to the equipment site Electrical safety tests may be performed under normal ambient conditions of temperature humidity and pressure Revision D 170 Series Monitor 9 7 2000947 004 9 8 Unit to Primary Leakage Test Description Maintenance Preventative Maintenance Inspection 1 Configure a leakage tester to perform a unit AC line leakage test Refer Figure 9 1 for safety tester connection and switch details 2 Turn ON the monitor using the monitors On Standby button 3 Verify the following lt 300 uA 132 253 VAC or at the line voltage at your facility 10 4 Record the primary leakage for the following conditions S1 DPDT S2 SPDT S3 SPDT S4 SPDT Polarity Neutral Ground Test Point Maximum a Closed Limits uA b Open a Closed b Open a Internal b TP1 a Normal b reverse Position Position Position Position Unit to primary leakage current measurements TP1 connected to metal part of the UUT Polarity Neutral Ground Polarity Neutral Grou
145. min Paper Scale United States 30 240 BPM P International 50 210 BPM RS 232 Port 1 HP Communications Mode RS 232 Port 1 Baud Rate 1200 RS 232 Port 2 RS 232 Port 2 Baud Rate Remote Mark Annotation 0 n T Models eg 174 only on with 10 minute auto revert UA Reference 10 relative units service setup mode NOTE User shall verify and save the settings required by the Hospital before using the monitor 4 16 170 Series Monitor Revision D 2000947 004 Setup Procedures Customizing the Monitor Printing a Summary of Configuration Settings To print the software version number and a summary of configuration settings on the strip chart paper NOTE You can only enter the service setup mode from a power off state 1 Enter the service mode Press and hold the Setup button Press and hold the blue Power button 5 Release both buttons The service mode is now activated 2 Press the Record button IS Figure 4 13 shows a sample printout VW E i d d b L U J mi I E LL E i j i LL L I i i i 1 t9 D i 1 1 g B i EN E a i i i a E i FI Sp D D ai m i CU d a ri IL 1 La y gt 1 dE DR L ro D Co e e e LLLLELLELI ITE TTT TT ELE Hs e rese PL ETT EEE u m Ee o E I Gei o Figure 4 13 Configuration Summar
146. n See Printing a Continuous Test Pattern above 3 Load paper and close the recorder drawer 4 Observe the printing quality under the following conditions Press and hold the door toward the rear of the monitor If the printing darkens on either side loosen the four mounting screws move the printhead forward slightly on the affected side then re tighten the screws Pull and hold the drawer forward slightly If the printing darkens on either side loosen the fours mounting screws move the printhead back slightly on the affected side then re tighten the screws 5 Verify that the print quality is satisfactory when the drawer is latched in place 7 38 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Servicing the Recorder 4305BAO DT193 1N 152 D 5 2 151 mo 3e HR ppm F 00 e 1180 7 18 i ls 16 160 TI d e 140 Es 14 ER E 120 3 12 AT 100 10 E 8 0 mE mE 00 Ke 12 e 0 il 10 10 T 8 i S 6 40 0 20 S E a i UA OmmHgy j Jo PRAT HU 01 1 A jOrgmHg E is VA Figure 7 14 Recorder Test Pattern Revision D 170 Series Monitor 7 39 2000947 004 S
147. n board 4 Disconnect the printhead cable from J1 on the main board 5 Disconnect the motor cable from J2 on the main board 6 Disconnect the speaker cable from J4 on the main board 7 Remove the nine mounting screws from the main board and carefully place the board on an anti static surface 8 For Models 173 174 you will need to transfer the FECG IUP Board to the new Main Board Remove the four mounting screws then carefully detach the FECG IUP Board from J15 and J16 on the Main Board Carefully align the FECG IUP Board onto J15 and J16 on the new Main Board and push into place Secure to the stand offs with the four screws removed earlier 9 Position the new board in place and follow steps 1 7 in reverse 7 30 1 70 Series Monitor Revision D 2000947 004 Serviceable Assemblies Replacing the FECG IUP Board Replacing the FECG IUP Board Follow the instructions for Replacing the Main Board on page 7 35 with the following exceptions Retain the existing Main Board Mount a new FECG IUP Board onto the existing Main Board Revision D 170 Series Monitor 7 31 2000947 004 Serviceable Assemblies Replacing the Membrane Switch Panel Replacing the Membrane Switch Panel The membrane switch panel cannot be removed from the top cover without possible damage to the monitor You must order a new top cover assembly in order to replace the membrane switch panel Equipment Required Phillips screwdriver Wrench Hand
148. nal Assembly Table 11 1 Model 171 Final Assembly 200268 188 Continued PACKAGING SLOTTED TRAY 2000893 001 170 SERIES 13984AA LBL PACRING LIST 340 2000555 001 SHLD SPEAKER 170 410066 POLY BAG 23X26X 006 410097 TAPE SHIPPING SIN WIDE 4281CA LBL SERIAL UL APPV D 155 4281DA LABEL C UL HAZZARD TAG120 SERIES 11 4 170 Series Monitor Revision D 2000947 004 Parts Lists 2000268 189 Model 172 Final Assembly 2000268 189 Model 172 Final Assembly cO co N O oOo A C N 2000281 001 15451AA 140173 15222AA 15212AA 152004 250096 11717AA 15207A 15224AA 15223AA 15231A 2000147 001 250099 2000222 001 15136A 15202AA 15201AA 2000133 001 15203AA 2000223 001 15204AA 280201 281501 2000234 001 2000235 001 2000146 001 ENCL BOTTOM SHIELDED 170 SERIES COVER SPEAKER FOOT RUBBER 50D 26H BRG DRAWER PIN BEARING 170 ASSY ROLLER BEARING FLANGED 187 BORE ROLLER GEAR 120REC ASSY DRAWER WELDED SPACER DRAWER PLASTIC 9 CM PARTITION ASSY PCB SENSOR BOARD SENSOR INSULATOR 170 SERIES SPRING COMPRESSION 24 OD 38L SPRING CPRSN 3 OD 022WIRE SS MOTOR STEPPER ASSY MOUNT MOTOR PLATE PC MOUNTING PRINTHEAD 8 DOTS MM 216MM WIDE PLATE HEAD MOUNTING SPRING CPRSN 56L 240 OD 024 WIRE BRACKET HEADSTOP STANDOFF 1 4HEX 1 8SL 4 4 0 THD NUT HEX 4 40 5 64 X 1 4 CABLE ASSY RIBBON RECORDER 170 SERIES CABLE ASSY SPEAKER WIRE 170 SERIES CLIP GROUND Revision D 170 Series Monitor
149. nd Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Polarity Neutral Ground Normal Normal Closed Normal Closed Normal Open Normal Closed Normal Normal Closed Open Reverse Normal Closed Open Reverse Open Normal Closed Reverse Normal Closed Normal Closed HR oe SL a Le ac Figure 9 1 Unit to Primary leakage test connection diagram and switch settings 170 Series Monitor Revision D 200094 7 004 Maintenance Preventative Maintenance Inspection Patient to Ground Leakage for US1 US2 and TOCO Type BF applied parts 1 Connect the Ultrasound Transducer test body to monitors front panel US1 and or US2 input 2 Connect a TOCO transducer test body to the monitor s front panel UA input Note Refer below table to connect the applicable Type BF parts specific for each model Type of US1 BF USI BF USI BF USI BF Connectors to be Shorted for the ll US2 BF ef US2 BF Leakage test for TOCO TOCO TOCO TOCO BP BP BP BP each of the Model 3 Configure a leakage tester to perform a patient leakage test Refer Figure 9 2 as shown below for the Safety Tester connection and switch details 4 Turn ON the monitor using the monitors On Standby button 5 Verify the following e Normal Condition lt 10 uA e Single Fault Condition 50 uA 132 253 VAC or at the line voltage at your facility 10 6 Recor
150. nd position on the new top cover making sure the shield tongue is threaded through the slot IMPORTANT SHIELD TONGUE TIf the shield tongue is caught between the top cover and the switch panel the panel cannot be properly positioned 9 Screw the shield tongue in place using the old screw 10 Replace the display board and secure all four screws 11 Replace the top cover standoff 12 Install the rear panel gasket on the inside of the cover remove the adhesive backing and align over the rear panel connectors 13 Install the display overlay remove the adhesive backing and align on the outside of the top cover 14 Install the rear panel label on the outside of the cover remove the adhesive backing and align over the rear panel connectors 15 Re connect the display board and membrane switch panel cables to J18 and J19 on the main board 16 If you are installing a tabbed cover onto a bottom slotted enclosure ensure that the tabs align with the slots 17 Secure the top cover with the four bottom panel screws 18 Discard previous top cover assembly Revision D 170 Series Monitor 7 33 2000947 004 Serviceable Assemblies Replacing the Membrane Switch Panel alignment tabs Figure 7 12 Top Cover Alignment Tabs alignment slots Figure 7 13 Bottom Enclosure Alignment Slots 7 34 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Replacing a Front Panel Connector Replacing a Front Pane
151. nd hold for three seconds Setup to enter the monitor s setup mode 3 Set the FHR alarm enable to on 4 Set the FHR high alarm limit value to 180 BPM 5 Set the FHR low alarm limit value to 100 BPM 6 Set the FHR audio alarm to a level you can easily hear 7 Press the Setup button to exit the setup mode 8 Press the monitor s Record button 9 Verify that the FHR high and low limits print in the annotation area of the strip chart paper 10 Turn off the monitor s recorder 11 Set the switches on the Model 325 Input Simulator according to Table 6 7 12 Using the simulator s Manual Adjustment knob input an US signal of 179 BPM as indicated on the monitor Verify that there is no alarm tone sounding from the monitors speaker 13 Using the simulator s Manual Adjustment knob increase the US rate to 180 BPM Again verify that there 1s no alarm tone sounding from the monitor s speaker 14 Using the simulator s Manual Adjustment knob increase the US rate to 181 BPM After five minutes verify the following on the monitor An alarm tone is emitted from the monitor s speaker alternating high low tones The Alarm indicator flashes The affected heart rate numerics flash 15 Press the monitor s front panel Alarm Silence pushbutton and verify that the alarm tone silences but the visual indications remain present 6 28 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure Alarm T
152. nector is provided for attaching an optional Corometrics Remote Event Marker This accessory annotates the strip chart recorder paper with a marker which can be configured as one of the following T This annotation is commonly used to record an event FM 1 This annotation is commonly used as an indication that the mother has y perceived fetal movement The monitor is factory set to use the 1 annotation Refer to the Chapter 4 Setup Procedures for information about selecting the annotation 170 Series Monitor Revision D 3 14 2000947 004 Controls Indicators and Connectors Rear Panel Connectors A Nurse Call Interface RS 232C Connectors This connector is intended for future interfacing to a standard Nurse Call System Two RS 232C connectors are provided for interfacing to peripheral equipment such as a maternal non invasive blood pressure monitor a central information system that uses Hewlett Packard s Digital Series Interface Protocol Contact your Service Representative for more information CAUTION NON DESTRUCTIVE VOLTAGE The maximum non destructive voltage that may be applied to the rear panel connectors is 0 V Do not attempt to connect cables to these connectors without contacting your Biomedical Engineering Department or Service Representative This 1s to ensure the connectors comply with leakage current requirements of one of the following applicable standards Underwriters L
153. nectors Front Panel Controls Setup Button IE Volume Buttons Model 171 Models 172 173 and 174 Setup Mode Pressing and holding this button while the monitor is on enters a user setup mode for configuring the monitor Pressing and holding this button during power up enters a service setup mode Refer to Chapter 4 Setup Procedures for instructions The Volume buttons are used to raise A and lower VV the volume of the audio signals emitted by the speaker The volume buttons are also used during setup This monitor has two volume buttons used to control the ultrasound audio These monitors have four volume buttons The left pair controls the audio signals for the mode shown in the primary FHR display likewise the right pair of buttons controls the audio for the mode shown in the secondary FHR display When the monitor is in setup mode user or service the volume buttons change the setting or value shown in the FHR display or the monitor feature code shown in the UA display For Models 172 173 and 174 only the leftmost volume controls are active during setup mode 3 4 170 Series Monitor Revision D 2000947 004 Controls Indicators and Connectors Front Panel Controls y UA Reference Button A The UA Reference button is used to set the uterine activity pressure reference This button 1s also used during setup Setting a Baseline for External Monitoring Tocotransducer Briefly pre
154. nel Controls ES UA Reference Alarm Silence ES ch Power Button and Indicator Pressing the blue Power button turns the monitor on and illuminates the green indicator to the left of the button Pressing the button again puts the monitor in standby and extinguishes the indicator B Record Button and Indicator Y Pressing the Record pushbutton activates the recorder provided paper is installed the amber indicator illuminates to the left of the button Pressing the button again turns the recorder off and extinguishes the indicator B Paper Advance Button Pressing the Paper Advance button causes the recorder to advance chart paper at a rate of 40 cm min for as long as the button is pressed If the recorder is on twenty seconds after the button is released the recorder prints the time date active trends legends and chart speed Je Mark Offset Button The Mark Offset button 1s a multifunction button Mark Briefly pressing the button prints an event mark T on the bottom two lines of the heart rate grid Offset Models 172 173 and 174 Only When the heart rate offset mode is enabled pressing and holding the Mark Offset button for at least two seconds shifts the secondary FHR trend 20 BPM for visibility purposes You will hear a beep for confirmation Refer to the 170 Series Operator s Manual for more information Revision D 170 Series Monitor 3 3 2000947 004 Controls Indicators and Con
155. nitor from which information is being requested The 170 Series Monitor is set to a fixed value of 9 39H Data Field This field of 1 to 8 bytes indicates which parameters the external computer wishes to receive The values for the bytes are given in Table 8 3 End of Text This 1 byte field contains the value 03H If this byte is sent immediately following the Monitor ID then the 170 Series Monitor will cancel transmission of all data 8 12 170 Series Monitor Revision D 2000947 004 Peripheral Devices RS 232 Connectors Transmitted Data Format The format of the information transmitted from the 170 Series Monitor to the external computer is shown in Figure 8 3 NOTE This applies to both 115 Update mode and 115 Transmit Receive mode The definitions of the bytes are as follows Monitor Type This field contains a 1 byte ASCII value indicating the type of monitor sending the information The 170 Series Monitor is set to a fixed value of 9 39H Response Type This 1 byte value indicates the type of information being sent from the 170 Series Monitor as shown in Table 8 3 Monitor ID This 1 byte ASCII value indicates the ID number of the monitor information The 170 Series Monitor sets this byte to a fixed value of 0 30H Data Field This field of n bytes contains the actual data sent from the monitor to the external computer The contents of this field for each response is given below m Event Mark This
156. nologies as repairable Refer to the service manual for further information CAUTION In the United States of America Federal Law restricts this device to sale by or on the order of a physician Corometrics and Marquette are registered trademarks of GE Medical Systems Information Technologies GE is a registered trademark of General Electric Company All other product and brand names are trademarks or registered trademarks of their respective companies 2002 2004 GE Medical Systems Information Technologies All rights reserved No part of this manual may be reproduced without the permission of GE Medical Systems Information Technologies HO ycnyrara oneparopa unu NMAUNeHTa B pe3ynrar Ha TOKOB VOD MEXGHVYHG nnn Apyra ONACHOCT AS EER EE DE ZH CN DER PURA AA EEE AS MES FEA RASS EMAS FRA RSET RAE NPEAYNPEXAEHVE Toa YNbTBAHE 30 pabota e HanuuHo CAMO HA AHFANCKM e3uk BG AKO AOCTOBUURDT HA ycnyrara HO KNVEHTO N3UCKA Apyr eauk 30 4bnmxeHve HO KMeHTO e 4A ocurypu npeaBoA He n3nonzga Tte o6opyaBaHero npenu na cre ce koHcynrapanu n pazbpann ynerBaHero 30 pabora Hecna3BQHeTO Ha TOBA npeaynpexeHue moxe Aa A0BeAe AO HApaHaBaHe Ha AOCTABYNKA ARER AY BENE REARS A A FEA AR AM ds DU E HEE KA gt TF o PAC ERE ETER gt NERO ENS MRE lt A E EUREN ZH TW BURNS BESO DU MNES ES PB TEER gt ADA AEE AR a RIE RE ARA MIRAR E TM gt A E ARAU e ZH HK e OBIS Bt e SS A RIE o PARE EES IAS AGS gt A
157. nt panel Alarm Silence pushbutton Verify that the visual and audio alarm indications disappear Use the simulator s Manual Adjustment knob to increase the US signal to 100 BPM Verify that the Alarm indicator goes out and the heart rate numerics stop flashing Use the simulator s Manual Adjustment knob to decrease the US signal to 99 BPM to set off the alarm one more time It will take 30 seconds for the alarm to appear Revision D 170 Series Monitor 6 29 2000947 004 Functional Checkout Procedure Alarm Test 26 Use the simulator s Manual Adjustment knob to increase the US signal to 100 bpm Verify the following on the monitor The alarm tone continues sounding The Alarm indicator stops continues flashing The affected heart rate numerics continue flashing 27 Press the monitor s front panel Alarm Silence pushbutton Verify that the visual and audio alarm indications disappear 28 This concludes the functional checkout procedure 6 30 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies This chapter provides information to aid in performing routine service and maintenance on a 170 Series Monitor This section of the manual is not intended as a substitute for proper professional training or familiarity with the 170 Series Monitor Only qualified service personnel should attempt servicing a 170 Series Monitor This chapter contains the following information General Ant
158. nt transfer function of the coupler is 19 typically which causes 860 UA to flow in the photo transistor of U17 in turn causing R103 to be pulled to 5 38 170 Series Monitor Revision D 2000947 004 Theory of Operation FECG IUP Board Theory of Operation ground on the non floating side of the barrier It 1s then sensed by the system microprocessor The IUP enable ties resistor R97 to the floating ground vvhen the IUP transducer cable is attached This causes approximately 4 5 mA to flow in the LED of opto coupler U17 The current transfer function of the coupler is 19 typically which causes 860 UA to flow in the photo transistor of U17 in turn causing R104 to be pulled to ground on the non floating side of the barrier It 1s then sensed by the system microprocessor The tocotransducer enable ties resistor R100 to the floating ground when the IUP transducer cable is attached This causes approximately 4 5 mA to flow in the LED of opto coupler U17 The current transfer function of the coupler is 19 typically which causes 860 uA to flow in the photo transistor of Ul7in turn causing R105 to be pulled to ground on the non floating side of the barrier It is then sensed by the system microprocessor For a Model 174 only the ultrasound enable ties resistor R109 to the RL when the ultrasound cable is attached This causes approximately 4 5 mA to flow in the LED of opto coupler U17 The current transfer function of the coupler is 19 typically
159. o Module e Audio amplifier e Ultrasound volume controls e ECG alarm tone volume e control Display Interface e Data buffers ESD protection Ultrasound Module Ultrasound transmitter Control logic PAL Pin diode switches pre amplifier and demodulator Ultrasound envelope filters Ultrasound envelope detector Audio frequency doubler and filters Fetal movement bandpass filters Telemetry multiplexor A D converter Local voltage regulators Status Switch Input Module Communications Module Quad async UART e RS 232 transceivers Front panel switch input buffers Rear panel recorder and front end status buffers Recorder Interface Motor control latches Head control latches Status input buffers Printhead serial data link Processing Block System processor System flash memory System boot flash memory System RAM System address decoder PAL System battery RAM with real time clock Interface to FECG UA Board 173 174 Uterine Activity Module Pressure differential amplifier e 4 V reference A D converter System Power Supply Pre regulators 5 V regulators 3 3 V regulators 7 5 V regulators 173 174 24 V regulators 11 V regulators 173 174 12 V input Figure 5 10 Main Board Block Diagram 0 18 170 Series Monitor 2000947 004 Revision D Theory of Operation Main Board Theory of Operation Processing Block The processing block consists of the proce
160. of greater than 10 M 4 ensures that the leakage current is within acceptable levels for safe use on patients 6 Leave transparent dome attached to the transducer during storage but slacken the locking ring at least one quarter of a turn CAUTION STERILIZATION Prior to patient use ensure the dome is sterile 9 4 170 Series Monitor Revision D 2000947 004 Maintenance Preventative Maintenance Inspection Preventative Maintenance Inspection Equipment Required Visual Inspection 4 0 9 Digital Multimeter Dielectric Tester Leakage Current Tester Aluminum Foil Ultrasound Test Body ultrasound transducer wrapped in aluminum foil Tocotransducer Test Body tocotransducer wrapped in aluminum foil FECG Test Body for Model 173 or 174 only Shorted legplate with all three leads tied together IUP Test Body for Model 173 or 174 only SensorTip transducer wrapped in aluminum foil Anti Static Wristband Static Fee Work Surface 170 Series Operator s Manual Inspect the following for excess wear and or signs of damage CT E E DE E F1 F1 L1 F1 DO Power Supply Cord AC to DC Converter AC Line Cord Ultrasound Transducer s Legplate s IUPC Transducer s Remote Event Marker Monitor Input Receptacles Chassis Membrane Switch Panel Internal Harnesses Connectors Display Panel Revision D 170 Series Monitor 9 5 2000947 004 Maintenance Preventative Maintenance Inspection C
161. ometrics tocotransducer The uterine activity value obtained from this transducer shows in the uterine activity display l Ifthe Model 171 is interfaced to a clinical information system CIS be aware that the CIS may be designed to alarm when there is no fetal heart rate signal Therefore it is recommended that you unplug the ultrasound transducer from the monitor when not in use to eliminate false alarms 3 8 170 Series Monitor Revision D 2000947 004 Controls Indicators and Connectors Front Panel Connectors Model 172 Connectors Figure 3 3 Model 172 Connectors 194 Primary Ultrasound Connector The primary ultrasound connector is a blue round receptacle mechanically keyed to accept only a Corometrics ultrasound transducer plug The fetal heart rate derived from this transducer shows in the primary fetal heart rate display 29 Secondary Ultrasound Connector The secondary ultrasound connector is a blue round receptacle identical to the primary ultrasound connector described above The fetal heart rate derived from this connector displays in the secondary fetal heart rate display Na Uterine Activity Connector The uterine activity connector is a white round receptacle mechanically keyed to accept a Corometrics tocotransducer The uterine activity value obtained from this transducer shows in the uterine activity display l Ifthe Model 172 is interfaced to a clinical information system CIS be aware that the CI
162. ones sound every three seconds at a fixed volume The most likely cause of a paper load error condition is that you loaded the paper with the black squares facing up The correct method is to load the paper with the black squares down as explained later in this section 4 2 170 Series Monitor Revision D 2000947 004 Setup Procedures Loading Strip Chart Paper To install Corometrics catalog number REF 4305AAO BAO CAO DAO chart paper in the 170 Series Monitor follow these steps CAUTION LOADING PAPER Paper loading instructions for a 170 or 120 Series Monitor are different than other Corometrics monitors with which you may be familiar 1 Press on each side of the paper drawer to release the drawer latches Figure 4 1 Releasing the Drawer Latches 2 Slide the paper drawer out toward you Figure 4 2 Opening the Paper Drawer 3 Remove the plastic wrapper from the paper and discard Revision D 170 Series Monitor 4 3 2000947 004 Setup Procedures Loading Strip Chart Paper 4 Fan the pack of Z fold paper on all sides to loosen any folds and to ensure proper feed of the paper throughout the recorder IS mat da NS ip for 120 an Tl acci tangata til RD Te RAL Figure 4 3 Fanning the Paper 5 Hold the package of paper so that the black squares are on the bottom of the pack and the Information Technologies name and page numbers are on the left side of the pack
163. ors apply to the 115 Transmit Receive Mode only Request errors are detected by the monitor as parity errors framing errors and invalid Monitor ID If the monitor fails to respond properly to a request it is suggested that the external computer re transmit a request sequence MONITOR FIRST DATA Nth END OF TYPE DATA FIELD FIELD S DATA FIELD TEXT Figure 8 2 Data Request Format 115 Transmit Receive Mode Only MONITOR RESPONSE MONITOR DATA END OF TYPE TYPE ID FIELD TEXT Figure 8 3 Transmitted Data Format Table 8 3 Response Type and Data Field Type Response Type ASCII Character Hexadecimal Value Oo ee Paper Out Revision D 170 Series Monitor 8 15 2000947 004 Peripheral Devices RS 232 Connectors Table 8 4 Heart Rate Modes HR1 Mode HR2 Mode ASCII Character Hexadecimal Value 30 33 MEL GENE NN NE NENNEN A Table 8 5 Uterine Activity Modes UA Mode ASCII Character Hexadecimal Value 8 16 170 Series Monitor Revision D 2000947 004 Peripheral Devices RS 232 Connectors Cabling Information Monitor RS 232 Connector The 170 Series Monitors RS 232C Ports each use an 8 pin RJ 45 connector shown in Figure 8 4 The following control signals are supported Request to Send RTS This output line is asserted 12 V whenever the 170 Series Monitor is on and operating it can be used to determine whether the monitor is powered on m Transmit Data TXD This output line provides the
164. p 11 is used for Nautilus Tocotransducers only 2 Gripper 7 Retaining Ring 8 Half Shell with Tongue 11 Oetiker Clamp Nautilus TOCO only 1 Transducer Cable 9 Half Shell without Tongue US FECG clamp orientation Figure 7 4 Transducer Plug Construction Remove the old plug Follow cable preparation procedures earlier in this document Tocotransducer Cable Preparation Ultrasound Transducer Cable Preparation or FECG Cable Preparation Insert pinned wires into corresponding positions in the pin housing according to the wiring table in each of the above listed sections Push m each pin until it bottoms out and is retained by the pin spring fingers which prevent it from backing out of the hole NOTE If a pin is removed from the sprocket housing it must be discarded and replaced Insert remaining pins into unused positions in the pin housing Revision D 170 Series Monitor 7 13 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits 5 Insert the pin housing into the corresponding recess of the half shell with strain relief mounting holes Position the housing so that the two dots at the back are visible and at right angles to the plane of the half shell Push the cable into the strain relief slot Ensure the slot surrounds a portion of the cable with the outer covering intact 6 Fasten the strain relief clamp to the half shell using the two metric screws Refer
165. panel speaker 9 The recorder prints a continuous line at the respective value 3 BPM on the top grid of the strip chart paper 8 Repeat step 4 through step 7 using the second ultrasound channel 9 Place the simulator s US Mode switch in the OFF position Verify the following on the monitor The FHRI value is blank The recorder stops printing the fetal heart rate trace The recorder prints the message CARDIO INOP on the center margin of the strip chart paper after approximately 20 seconds 6 14 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure Ultrasound Test 100 EE 7 EE Figure 6 3 Ultrasound Ramp Revision D 170 Series Monitor 2000947 004 Functional Checkout Procedure Fetal Movement Detection Test Fetal Movement Detection Test This portion of the functional checkout procedure ensures the integrity of the fetal movement detection circuitry and the heart rate channel of the recorder Refer to Figure 6 4 NOTE Fetal movement detection is an option which must be installed and enabled for use on your monitor 1 Connect the simulator s US sub cable to the US r
166. peration or incorrect functioning If this occurs the site of use should be surveyed to determine the source of this disruption and actions taken to eliminate the source The user is encouraged to try to correct the interference by one or more of the following measures Turn equipment in the vicinity off and on to isolate the offending equipment Reorient or relocate the other receiving device Increase the separation between the interfering equipment and this equipment If assistance is required contact your GE Service Representative Revision D 170 Series Monitor 1 9 2000947 004 Safety Equipment Symbols Equipment Symbols The following is a list of symbols used on products manufactured by GE Some symbols may not appear on your unit Table 1 2 Equipment Symbols ATTENTION Consult accompanying documents TYPE B EQUIPMENT Type B equipment is suitable for intentional external and internal application to the patient excluding direct cardiac application TYPE BF EQUIPMENT Type BF equipment is suitable for intentional external and internal application to the patient excluding direct cardiac application Type BF equipment has an F type applied part suitable for intentional external and internal application to the patient including direct cardiac application Type CF equipment has an F type applied part ALTERNATING CURRENT AC EQUIPOTENTIALITY e TYPE CF EQUIPMENT Type CF equipment is ON STA
167. plifier U2 pin 8 is non inverting and is patient protected in the event of a failure of this device The two sections of U2 provide the right leg drive circuit The right leg drive is a feedback circuit that provides drive in the opposite polarity to a common mode voltage Its purpose is to cancel DC offset from the electrode and to help reject 50 and 60 Hz components The output of U7 which is inverting with respect to the signal RA drives the non inverting amplifier U2 pin 12 through a high pass filter of 10 Hz Resistor R58 and diode D7 provide voltage limiting at U2 pin 12 This amplifier has a gain of 22 5 and rolls off at approximately 224 Hz The output of U2 pin 14 drives U8 pin 3 through R64 Resistor R64 and diode D8 provide voltage limiting at U8 pin 3 This amplifier has a gain of 22 5 and rolls off at approximately 224 Hz The composite bandwidth and gain at this point is from 10 Hz to 320 Hz with a gain of 6936 The output of U8 pin 1 drives amplifier U8 pin 5 with a division of 10 11 formed by resistors R67 and R68 The operation of this amplifier is best understood if analyzed from its quiesent condition of no input signal Under this condition U8 pin 5 is at zero volts therefore U8 pin 6 must also be at zero volts This forces a quiesent current of 75 UA through R69 This current is produced by US pin 7 driving the LED that illuminates the photodiode at U11 pins 3 and 4 which is the feedback path The LED also il
168. position 4 If not already on press the monitor s Record pushbutton 5 Verify the following on the monitor Each heart rate display FHR1 and FHR2 responds accordingly for value and heartbeat indicator The UA display responds accordingly for the value The recorder responds appropriately in both trending and message information NOTE Refer to the Model 325 Simulator Product Manual for illustrations of the patterns to be expected on the monitor Revision D 170 Series Monitor 6 23 2000947 004 Functional Checkout Procedure Dual Heart Rate Test Non Pattern Dual Heart Rate Test Non Pattern FECG US Modes Connect the Model 325 Simulator s ECG sub cable to the monitors FECG input receptacle Connect the simulator s US sub cable to the monitor s US input receptacle Set the switches on the Model 325 Simulator according to Table 6 6 If not already on select the monitors Record button Verify the following on the monitor The FHRI value reads 120 BPM The FHRI heartbeat indicator J flashes at a rate of 120 times per minute The FHR2 value varies between approximately 50 and 210 BPM The FHR2 heartbeat indicator J flashes at a rate consistent with the value The messages FECG and US print on the center margin of the strip chart paper The FHRI trend is a continuous plain black line 11 on the 120 BPM mark on the top grid of the strip chart paper Refer to Figu
169. provides the address decoding for the system flash memory UART battery RAM display input buffers and recorder control latches The PAL also contains latches which allow control of the printhead serial peripheral interface SPI chip selects telemetry and fetal movement signal controls PAL U4 also provides the parallel to serial conversion for the printhead data The PFAIL and software enable bits are used to disable battery RAM writes Figure 5 12 provides a block diagram of the PAL 5 20 170 Series Monitor Revision D 2000947 004 Theory of Operation Main Board Theory of Operation System Flash ROM Address Data and Control System Flash ROM Decoder Bank 2 Recorder Control Decoder and Latch e Head strobes e Head supply control e Head protection Recorder Control Latch Decoder Motor phase latches General Decoder and Latch SPI serial peripheral interface chip selects e Front end telemetry control Battery RAM RTC Decoder Status Port Decoder e Front panel buttons Recorder status Display Decoder UART Decoder Recorder Printhead Data Shift Register Figure 5 12 PAL Block Diagram Revision D 170 Series Monitor 2000947 004 9 21 Theory of Operation Main Board Theory of Operation Display Interface Module Select and Address The display interface consists of a data buffer U14 for DO D7 which interfaces to the ICM7228A seven segment LED driver IC Ul on the displ
170. r s real time clock The real time clock is not used however in addition to time date it can be used to process interrupts for exiting sleep mode A MAX809 reset IC U2 monitors 3 V backup power to hold RESET low during power up from the AC line cord and or the DC power cable Power up reset using the power button is accomplished through an external RC circuit R544 and C285 fora shorter on reset time Four AMD AM29LV800B 8 Mb flash memory parts U23 U26 are used to provide 4 MB of data storage and non volatile program memory The flash parts are arranged in pairs to allow 32 bit data access Separate write enable lines allow access to individual 16 bit words if required Chip selects for each flash pair are controlled by the programmable array logic device PAL U4 and are memory mapped to make all 4 MB appear as a single area of memory The system RAM consists of two Hitachi HM5216165 16 Mb SDRAMs U27 U28 The processor provides all of the DRAM support signals RAS CAS etc A 32 bit data bus is used and 8 and 16 bit access are supported An AT29LV010A 1 Mb flash memory part U29 is used as a boot ROM The processor begins execution from this area of memory Area 0 CS0 An 8 bit data bus is used A battery RAM with real time clock MT48T18 U31 provides the clock and 8k x 8 data storage function for parameters error logs etc Transceiver U30 buffers and voltage translates data from the 5 V battery RAM The PAL U4
171. rain gauge diaphragm and verify that the UA value and trend respond to the input Increasing force should produce an increasing value and vice versa 5 Disconnect the strain gauge from the front panel of the monitor Verify the following on the monitor The UA value is blank The UA trend stops plotting on the strip chart paper After approximately 20 seconds the message UA INOP prints on the strip chart paper 6 22 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure Pattern Memory Test Pattern Memory Test The pattern memory of the simulator can be used to test any of the following mode combinations of the monitor FECG TOCO FECG IUP US TOCO or US2 TOCO US IUP or US2 IUP US FMD TOCO US FMD IUP FECG US TOCO FECG US IUP NOTE US US2 cannot be tested simultaneously unless two Model 325 Simulators or two ultrasound transducers are used Do not attempt to test dual ultrasound using one Model 325 Simulator and one ultrasound transducer or a conflict between enable lines will occur NOTE Although dual heart rate can be verified using the pattern memory an additional procedure is given in this functional checkout procedure To check any of the mode combinations listed above 1 Connect the appropriate simulator sub cables to the corresponding receptacles on the monitor 2 Enable the modes on the simulator 3 Set the simulator s Pattern Memory switch to the ON
172. ransducers from the monitor when not in use to eliminate false alarms 3 10 170 Series Monitor Revision D 2000947 004 Controls Indicators and Connectors Front Panel Connectors Model 174 Connectors Figure 3 5 Model 174 Connectors L A Combi Connector Primary Ultrasound or FECG The combi connector is a blue connector with a dark grey inner center This round receptacle is mechanically keyed to accept only a Corometrics ultrasound transducer plug or a Corometrics FECG cable legplate plug The fetal heart rate derived from this transducer or cable legplate shows in the primary fetal heart display IMPORTANT COMBI CONNECTOR The combi connector can be used for monitoring ultrasound or FECG depending on what you plug in US transducer or FECG cable legplate When used in conjunction with the secondary ultrasound connector you have the option of monitoring twins using dual US or FECG US COR Secondary Ultrasound Connector The secondary ultrasound Geen 1s a blue round receptacle mechanically keyed to accept only a Corometrics ultrasound transducer plug The fetal heart rate derived from this connector shows in the secondary fetal heart rate display Ne Uterine Activity Connector The uterine activity connector is a white round receptacle mechanically keyed to accept a Corometrics tocotransducer a Corometrics strain gauge transducer plug or any intrauterine pressure catheter with compatible cable plug The uterine
173. rasound transducer and around the seal of the tocotransducer Do not use a sharp object which might damage the seal of the tocotransducer 4 Dry all accessories with a soft dry cloth Revision D 170 Series Monitor 9 3 2000947 004 Maintenance Cleaning Cleaning the UA Strain Gauge 1 Remove the plastic dome 2 If desired wash the transducer with sterile water or saline solution 3 Carefully clean the diaphragm seal with a cotton swab to remove deposits Avoid excessive pressure since this may damage the diaphragm If there are excessive stains on the diaphragm or sides of the transducer remove with a cotton swab and solvents of increasing strength Do not use pumice Ajax Bon Ami or other abrasives 4 After cleaning rinse the transducer thoroughly in distilled water and replace the dome loosely 5 Dry the transducer with sterile gauze CAUTIONS AUTOCLAVE Do not autoclave pressure transducer IMMERSION Do not immerse any part of the electrical connector of the transducer in the cleaning solution at any time Examine the outer sheath of the cable for perforations If the outer covering 1s damaged in any way do not immerse the cable in the cleaning solution this may result in moisture entering the transducer case which is vented through the cable WARNING LIQUIDS If liquids enter the electrical connector check the resistance between the electrical element and the transducer case A resistance level
174. re 6 6 The FHR2 trend is a bold black ramp trace y between 50 and 210 BPM on the top grid of the strip chart paper Refer to Figure 6 6 6 24 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure Dual Heart Rate Test Non Pattern Table 6 6 Model 325 Simulator Settings for FECG US Test EN NNNM NN cmm Di Revision D 170 Series Monitor 6 25 2000947 004 Functional Checkout Procedure Dual Heart Rate Test Non Pattern d e be A E m T El 5 i I o o e p 3 id E A a ICAA E 7 EE E il p HAH TTT a H REE LL MES Figure 6 6 Dual Heart Rate FECG and US 6 26 170 Series Monitor 2000947 004 Revision D Functional Checkout Procedure Dual Heart Rate Test Non Pattern Dual Ultrasound Modes As stated previously the dual ultrasound mode of the 170 Series Monitor cannot be tested unless two Model 325 Simulators are used or two Nautilus ultrasound transducers Do not attempt to test dual ultrasound using one Model 325 Simulator and one ultrasound transducer This procedure details using two transducers since 1t 1s more practical for a test site 1 If not already on press the monitor s Record pushbutton 2 Plug one ultrasound transd
175. ressure within the uterus is measured using a tocotransducer attached to the mother s abdomen in the area of the uterine fundus The readings are plotted on the strip chart paper in a relative scale from 0 to 100 as well as shown on the digital display All 170 Series Monitors provide external uterine activity monitoring Internal Method Intrauterine Pressure Catheter and Strain Gauge IUP IUP is available on Models 173 and 174 only Intrauterine pressure is measured using a transcervical catheter The pressure trend is plotted over the range of 0 to 100 mmHg and the readings appear on the digital display 170 Series Monitor 2 3 2000947 004 Introduction Features Features The 170 Series is a family of fetal monitors offering various combinations of modalities to suit your institution s needs Each monitor boasts the following qualities The strip chart recorder is a quiet easy to load high resolution thermal array printer The recorder prints continuous trends and alphanumeric data on one strip chart Automatic mode selection is provided simply by inserting the appropriate transducer plug into the front panel receptacle Wide beam ultrasound transducer provides an advanced level of system performance Transducer connectors are easy to use color coded and durable Frequently used functions are controlled by front panel buttons including audio volume uterine activity reference alarm silence event mark paper
176. ries Monitor Revision D 2000947 004 hapter 11 Parts Lists This chapter of the manual provides parts lists and block diagrams NOTE GE makes every effort possible to provide the most up to date reference documentation for your Corometrics equipment However in special cases involving field installed upgrades a drawing or parts list in this manual may not reflect the revision level of your unit s subassemblies When discrepancies are found contact the GE Service Department at one of the numbers found on the back cover of this manual Revision D 170 Series Monitor 11 1 2000947 004 Parts Lists 2000268 188 Model 171 Final Assembly 2000268 188 Model 171 Final Assembly cO co N O oOo A C N 2000281 001 15451AA 140173 15222AA 15212AA 152004 250096 11717AA 15207A 15224AA 15223AA 15231A 2000147 001 250099 2000222 001 15136A 15202AA 15201AA 2000133 001 15203AA 2000223 001 15204AA 280201 281501 2000234 001 2000235 001 2000146 001 ENCL BOTTOM SHIELDED 170 SERIES COVER SPEAKER FOOT RUBBER 50D 26H BRG DRAWER PIN BEARING 170 ASSY ROLLER BEARING FLANGED 187 BORE ROLLER GEAR 120REC ASSY DRAWER WELDED SPACER DRAWER PLASTIC 9 CM PARTITION ASSY PCB SENSOR BOARD SENSOR INSULATOR 170 SERIES SPRING COMPRESSION 24 OD 38L SPRING CPRSN 3 OD 022WIRE SS MOTOR STEPPER ASSY MOUNT MOTOR PLATE PC MOUNTING PRINTHEAD 8 DOTS MM 216MM WIDE PLATE HEAD MOUNTING SPRING CPRSN 56L
177. ripheral Devices Telemetry Connector Telemetry Connector v This connector is for future interfacing to the receiver of a Corometrics Model 340 Telemetry System NOTE The monitor receiver and transmitter must all be turned on NOTE When any telemetry mode is detected US or TOCO all equivalent front panel modes US US2 or TOCO are ignored You cannot mix and match telemetry and monitor modes The telemetry connected annotation A is printed on the bottom line of the top grid of the strip chart paper upon commencement of telemetry monitoring and every 30 minutes along with the modes The telemetry disconnected annotation A is printed on the strip chart paper if you unplug the telemetry receiver from the 170 Series Monitor you turn off the receiver you turn off the transmitter or the receiver does not detect any active mode information from the transmitter Revision D 170 Series Monitor 2000947 004 Peripheral Devices RS 232 Connectors RS 232 Connectors Two RS 232C serial interface receptacles RJ 45 allow connecting the 170 Series Monitor to the following devices Critikon Model 1846 1846SX Blood Pressure Monitor Quantitative Sentinel Perinatal System 4 Nellcor N 400 Fetal Pulse Oximeter 115 Compatible Device Table 8 1 lists the factory default settings for each port Refer to Customizing the Monitor on page 4 10 for information on using the service set
178. rol paper status logic and printhead control logic The motor control consists of latch U3 buffer U6 and FET transistors Q5 Q8 The four phase signals are generated by the processor using U3 These phases are translated to 5 V and buffered by U6 to drive the FETs which in turn drive the unipolar motor Clamp diodes are used to limit the inductive spike generated when the switches open The paper status logic consists of paper out and paper misload optical sensor interface circuitry as well as a door switch interface The paper status logic consists of dual digital potentiometer U9 resistors R216 and R217 for LED drive to the paper out sensor and R219 and R220 for LED drive to the paper misload sensor The digital potentiometer connects to the collector of the sensor transistor and becomes the variable pull up These signals MISCOIL and OUTCOIL are further processed by the analog to digital converter to determine the correct threshold for the two sensors Clamp device U8 is used for ESD protection The door switch input is a switch closure to ground and is read by the processor through buffer U15 The printhead interface consists of PAL U4 which contains the printhead control latch head protection circuitry and printhead shift register The printhead control latch contains the four strobes for the printhead sections the printhead load line and the printhead power supply enable line The printhead protection timer consists of a four bit counter whi
179. rs Ya inch Twist and tin conductors m Solder contact pins to conductors and jumper wire Figure 7 2 Ultrasound Transducer Cable Preparation 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits Table 7 4 Ultrasound Cable Wiring OI m A e o ID EE mm m EN ER m m RS wf m m E E m o m NENNEN NNI 73 Revision D 170 Series Monitor 2000947 004 7 9 Serviceable Assemblies Transducer Plug Replacement Kits FECG Cable Preparation Refer to Figure 7 3 and Table 7 5 while following these steps 1 Cut 26 AWG green wire not supplied to 2 inches long Strip one end 34 inch 2 Cut 26 AWG blue wire not supplied to 1 l inches long and strip each end 1 inch This will be used as a jumper wire 3 Route the transducer cable through the gripper Slide the gripper followed by the retaining ring down the cable until they are out of the way 4 Score around cable jacket 1 inch Peel and remove jacket Trim filler flush to jacket 5 Pull back the braided shield and twist into pigtail 6 Strip black conductive coating back to the outer jacket 7 Solder the 2 inch prepared green wire to the shield wrapping the 34 inch strip onto the shield Cut the wire flush with other conductors of cable 8 Install shrink tubing over the solder joint of the shield 9 Strip all conductors l inch Twist and tin conductors CAUTIONS CABLE
180. s 2 Disconnect the simulator s ultrasound cable from the front panel of the 170 Series Monitor Revision D 170 Series Monitor 6 17 2000947 004 Functional Checkout Procedure Ultrasound Transducer Test 3 Connect the ultrasound transducer to either US input receptacle on the front panel of the monitor Verify the following on the monitor The value shows three steady dashes in the FHRI display e The recorder prints the message US on the center margin of the strip chart paper after approximately 20 seconds 4 Connect the MFH 1 Mechanical Fetal Heart to the US1 port on the PS320 Simulator via the cable supplied with MFH 1 NOTE 1 MFH 1 cannot be used with Corometrics 325 Simulator NOTE 2 Refer Addendum to use PS320 Simulator for using the PS320 Simulator 5 Place the Ultrasound Transducer face up on the work surface and coat it with Ultrasound conductive gel and place the MFH 1 on the Ultrasound transducer as shown in Figure below THIS SIDE UP FLUKE MFH 1 Connected to US 1 Rekter output on PS320 FOR USE WITH P3320 p pe S Gel applied between transducer and ge mechanical heart im a x Ultrasound Transducer SSES Ba 6 For MFH 1 to function power the PS320 Simulator using the battery eliminator the MFH 1 will not function on battery power 7 Set the rate of the MFH 1 to 120 BPM by setting the US1 value in the PS320 Simulator to 120 BPM and verify the following
181. s may interfere with monitor operation Interference prevents the clear reception of signals by the monitor If the hospital is close to a strong transmitter such as TV AM or FM radio police or fire stations a HAM radio operator an airport or cellular phone their signals could be picked up as signals by the monitor If you feel interference is affecting the monitor contact your Service Representative to check the monitor in your environment Refer to page 1 8 for additional information Revision D 170 Series Monitor 1 5 2000947 004 Safety Monitor Contraindications Warnings and Precautions WARNINGS ELECTROSURGERY The monitor is not designed for use with high frequency surgical devices In addition measurements may be affected in the presence of strong electromagnetic sources such as electrosurgery equipment EXPLOSION HAZARD Do not use this equipment in the presence of flammable anesthetics or inside an oxygen tent GROUNDING Do not defeat the three wire grounding feature of the power cord by means of adaptors plug modifications or other methods A dangerous shock hazard to both patient and operator may result INSTRUCTIONS For continued and safe use of this equipment it is necessary to follow all listed instructions However the instructions provided in this manual in no way supersede established medical procedures concerning patient care The monitor does not replace observation and evaluation of the p
182. se lahko zaradi elektri nega udara mehanskih ali drugih nevarnosti po koduje ponudnik storitev operater ali bolnik Bu servis k lavuzunun sadece ingilizcesi mevcuttur E er m teri teknisyeni bu k lavuzu ingilizce d nda bir ba ka lisandan talep ederse bunu terc me ettirmek m teriye d er Servis k lavuzunu okuyup anlamadan ekipmanlara m dahale etmeyiniz Bu uyar ya uyulmamas elektrik mekanik veya di er tehlikelerden dolay teknisyen operat r veya hastan n yaralanmas na yol a abilir Contents Sale eebe Ee 1 1 General Informati n mro EE EE EE EE EE 1 2 Definitions of Terminology ccc cee cece eee eee una ea ae 1 3 Monitor Contraindications Warnings and Precautions 1 4 EGUIDMENLSVIMDOIS 435555 eg bere eno pa na ne Mewes eo nC a 1 9 Idee taire WEE 2 1 INGICAIONS ee EE 2 2 Monitonng KE le EE 2 3 Feat ici tar 2 4 About YOU MONOT s oi e EE 2 5 Controls Indicators and Connectors 3 1 Front Panel Controls venida exotic oec ex ba ds ROCA Doc 3 2 Front Panel Displays and Indicators 3 6 Front Panel Connectors 3 8 strip Chart Tt TEE LENA 3 12 Rear Panel Connectors 0 0 cece cece nnn 3 14 Setup Procedures EEN 4 1 Loading Strip Chart Paper 4 2 Turning the Monitor On ag ze dios xA A E Ha 4 7 Revision D Corometrics 170 Series 2000947 004 Monitor Self Test Routines 4 8 Customizing the Monitor dba 4 10 Quick Referenc
183. serial data sent to the external computer from the 170 Series Monitor Clear to Send CTS This input line must be asserted in order to enable the transmission of data from the 170 Series Monitor Under conditions where no modem is used the line can be tied to the RTS line of the monitor If a modem is used this line should be tied to the CTS line of the modem Receive Data RXD This input line provides the serial data sent from the external computer to the 170 Series Monitor Standard RS 232C Rules The following rules must be observed BH When a direct connection is made between a 170 Series Monitor and another Data Terminal Equipment DTE a standard null modem cable must be used m When an indirect connection is made using a modem a 170 Series Monitor requires a normal modem cable Cable Distance The RS 232C Interface supplied with the 170 Series Monitor 1s capable of operating over varying distances depending upon the data rate used and whether the cabling is shielded or unshielded Refer to the manufacturer s specifications Data Terminal Equipment Cabling When the 170 Series Monitor is directly connected to another Data Terminal Equipment DTE device a standard null modem cable is required as shown in Figure 8 5 Data Communications Equipment Cabling When the 170 Series Monitor is connected to a Data Communications Equipment DCE device a modem a standard normal modem cable is required as shown in Figure 8 6
184. shes at a rate of 120 times per minute e The ECG beep volume of the rear panel speaker can be increased or decreased using the left pair of Volume buttons Set the volume to the desired level e The recorder prints a continuous line at 120 BPM on the HR grid of the strip chart paper 5 Repeat Step 4 for each of the following rates 60 90 150 180 210 and 240 BPM 12 4 170 Series Monitor Revision D 2000947 004 Addendum Ultrasound Test This portion of the functional checkout procedure ensures the integrity of the ultrasound circuitry and the heart rate channel of the recorder Note e This section Requires Mechanical Fetal Heart MFH and Ultrasound Transducer for testing the Coro monitor e For MFH 1 to function power the PS320 Simulator using the battery eliminator the MFH 1 will not function on battery power 1 Connect the MFH to USI port in PS320 Simulator via the cable supplied with the MFH 1 2 Place the Ultrasound Transducer face up on the work surface and coat 1t with Ultrasound conductive gel and place the MFH 1 on the Ultrasound transducer and connect the Ultrasound Transducer to US1 channel on the Coro Monitor 3 Set the values on the PS320 Simulator according to Table below Table 12 2 Ultrasound Test Simulator Settings Function Key Setting Ultrasound Fetal Heart Rate Fetal Rate 120 BPM Amplitude 50 uV 4 If not already on depress the monitors Record button 5 Set the simulator to
185. sion D 170 Series Monitor 9 1 2000947 004 Maintenance Cleaning Cleaning CAUTION PREPARATION Unplug the monitor from the AC power source and detach all accessories from the monitor Do not immerse accessories in any liquid Do not use abrasive cloth or cleaners on monitor or accessories Cleaning the Monitor Exterior To clean the exterior of the monitor including the displays and the membrane switch panel 1 Wipe any fluids from the surface of the monitor 2 Dampen a cloth or paper towel with isopropyl alcohol and gently rub soiled area until clean 9 2 170 Series Monitor Revision D 2000947 004 Maintenance Cleaning Cleaning the Tocotransducer Ultrasound Transducer and Legplate CAUTIONS ABRASION Do not use abrasive cloth sharp objects or abrasive cleaners ALCOHOL Do not use Alcohol in cleaning solutions DISCONNECTION Detach the transducers cables legplate from the monitor IMMERSION Do not immerse transducers cables legplate or hold under running water 1 Dampen a cloth or paper towel with one of the following products then wring out until only slightly wet Sodium Hypochlorite 5 25 Bleach diluted 10 1 Cidex Sporicidin Soap and water 2 Rub soiled area until clean taking care not to excessively wet the tocotransducer diaphragm seal or the contact surface of the ultrasound transducer 3 Use a cloth dampened with water on the contact surface of the ult
186. ssing the UA Reference button sets the pressure baseline at a preset default The monitor 1s shipped from the factory with a default setting of 10 relative units Qualified service personnel can access a service screen to set the default to 5 10 15 20 or 25 relative units Pressing this button for more than two seconds causes the uterine activity reference value to override the default setting and cycle through all available selections 5 10 15 20 or 25 relative units starting at the default setting until the button 1s released While the button 1s held down the strip chart tracing remains unchanged Once the button is released the recorder trace takes on this new value This value is stored as the new baseline for the currently measured uterine activity signal Setting a Baseline for Internal Monitoring IUPC Setup Mode Pressing the UA Reference button sets the pressure baseline at 0 mmHg NOTE IUPC monitoring is only available on Models 173 and 174 When the monitor is in setup mode the UA Reference button selects the active display Pressing the button alternates between the UA display which shows a monitor feature code and the FHR display which shows the setting or value for the selected feature code When the UA display is active the sign lights When the FHR display is active the heartbeat indicator lights Alarm Silence Button EM This button 1s yellow for easy recognition Pressing the Alarm Silence bu
187. ssor system memory battery RAM with real time clock and address decoder PAL Figure 5 11 provides a block diagram of the processing block System Boot Flash Memory System SDRAM Memory System Flash Memory e 512k x 32 standard 128k x 8 1M x 32 standard e 512k x 32 optional Battery RAM with Real Time Clock 12 288 MHz Crystal 8k x 8 SH3 Processor System Control Address Decoder PAL Address decoding Recorder control latch and head protection timer SPI chip select and clock control Recorder serial interface to peripheral devices Figure 5 11 Processing Circuitry Block Diagram Revision D 170 Series Monitor 5 19 2000947 004 Theory of Operation Main Board Theory of Operation The processor U1 is an Hitachi SH3 used with a 32 bit data bus and 24 bit address bus Series 100 2 resistors and 100 kQ pull up resistors are provided for all address data bus and output lines The series resistors limit transient response resulting in better EMI performance Pull up resistors prevent these lines from floating if the processor enters sleep mode which tri states these lines Crystal X2 is the main crystal for the processor running at 12 288 MHz Mode lines which the CPU examines at power up are pulled up and down to set the CPU to mode 4 This allows the CPU to run internally at either X2 x 1 12 288 MHz or X2 x 4 49 152 MHz The external bus and SYSCLK run at the X1 frequency Crystal X1 is for the processo
188. t is not working properly PINCHING Keep fingers clear of the paper roller because the roller could pinch your fingers TRAPPING Keep hands hair jewelry and loose clothing away from the paper roller because the roller could trap these items TRIPPING Arrange monitoring equipment so that cords and cables do not present a tripping hazard 1 8 170 Series Monitor Revision D 2000947 004 Safety Monitor Contraindications Warnings and Precautions Electromagnetic Interference This device has been tested and found to comply with the limits for medical devices to the IEC 601 1 2 1993 EN60601 1 2 1994 Medical Device Directive 93 42 EEC These limits are designed to provide reasonable protection against harmful interference in a typical medical installation However because of the proliferation of radio frequency transmitting equipment and other sources of electrical noise in the health care and home environments for example cellular phones mobile two way radios electrical appliances it is possible that high levels of such interference due to close proximity or strength of a source may result in disruption of performance of this device This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with these instructions may cause harmful interference with other devices in the vicinity Disruption or interference may be evidenced by erratic readings cessation of o
189. table range This is alarm NOTE For continuous limit violations a high alarm activates tested in steps 14 to 16 for a high alarm and steps 22 to 24 fora low after 5 minutes a low alarm activates after 30 seconds alarm 6 18 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure Uterine Activity Test Uterine Activity Test This portion of the functional checkout procedure tests the uterine activity section of the 170 Series Monitor l 2 Set the switches on the Model 325 Simulator according to Table 6 5 Connect the simulator s UA sub cable to the UA receptacle on the monitor Access the service setup mode and note the UA reference default value The monitor 1s shipped from the factory with this value set at 10 relative units however your unit may have been custom configured Exit the service mode Press the monitor s Power button to turn on the monitor Press the monitor s Record pushbutton Briefly press the monitor s UA Reference pushbutton Verify the following on the monitor The UA value matches the default setting The recorder prints a continuous line at the default value on the uterine activity channel of the strip chart paper The recorder prints the messages TOCO and UA REF on the strip chart paper Press and hold the UA Reference button on the monitor to cycle through the available selections for UA reference 5 10 15 20 or 25 relative units Test ea
190. the above is true when the Channel 2 transducer 1s activated Integrated circuits U53 U54 and U55 are voltage regulators used to provide stable low noise power supplies for the ultrasound receiver and transmitter Transistor Q11 inductor Ll and capacitor C208 form the ultrasound transmitter Q11 is driven by the signal TRANS BURST Inductor L2 and capacitors C209 C210 and CV 1 provide tuning for the transmitter output The transmitter has a nominal output impedance of 30 Q and can typically drive 4 V peak to peak into a 20 Q load Transistors Q12 Q13 and Q14 and associated components form the preamplifier Capacitors C213 C215 C229 and C216 provide power supply rejection for the preamplifier Inductor L3 along with capacitors C211 and C212 form a series resonant tank circuit This tank circuit provides a low impedance path for the received signals from the transducer and a voltage gain of approximately 28 dB The typical input impedance to this tank circuit is 30 Qs Transistors Q12 and Q13 form a cascode amplifier Transistor Q13 is a dual n channel field effect transistor connected in parallel This parallel connection provides an improvement of 3 dB in signal to noise ratio due to the gain doubling and the noise adding in quadrature Inductor L4 and capacitors C214 and CV3 form a parallel resonant tank circuit with an impedance of approximately 17 kQs The shunt impedance of resistors R388 R389 R390 R391 and R392 effectively
191. to inset of Figure 7 4 Tocotransducer the indent of the strain relief should face outward Ultrasound and FECG Transducers the indent of the strain relief should face inward 7 Place the half shell with tongue on the pin housing aligning it with the two dots on the back of the housing The half shells should snap together evenly Slip the retaining ring over them to hold the assembly together 8 Slide the gripper back up the cable and align the two projections at the rear of the plug assembly with the two recesses at the rear of the gripper NOTE Do not allow projections and recesses to become misaligned while sliding the gripper onto the plug or the gripper will not seat properly Position the tongue opposite the gripper boot through which the cable extends This ensures that the cable will extend downward once the plug is inserted into the monitor CAUTION KINKING When sliding the gripper over the plug assembly pull the cable through the boot to prevent any kinking inside the gripper 9 Install the plastic ring on the front of the plug 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Nautilus Transducer Cable Replacement Nautilus Transducer Cable Replacement You can replace the cable on a Nautilus Tocotransducer or Ultrasound Transducer using one of four kits Refer to Table 7 6 and ensure you have the correct kit The text of the instruction sheet is repeated here for informationa
192. tovate a slu ieb obsluhuj cej osoby alebo pacienta elektrick m pr dom mechanick alebo in ohrozenie ATENCION Este manual de servicio s lo existe en ingl s ES e Si el encargado de mantenimiento de un cliente necesita un idioma que no sea el ingl s el cliente deber encargarse de la traducci n del manual No se deber dar servicio t cnico al equipo sin haber consultado y comprendido este manual de servicio La no observancia del presente aviso puede dar lugar a que el proveedor de servicios el operador o el paciente sufran lesiones provocadas por causas el ctricas mec nicas o de otra naturaleza VARNING Den h r servicehandboken finns bara tillg nglig p engelska SV e Omen kunds servicetekniker har behov av ett annat spr k n engelska ansvarar kunden f r att tillhandah lla vers ttningstj nster F rs k inte utf ra service p utrustningen om du inte har l st och f rst r den h r servicehandboken Om du inte tar h nsyn till den h r varningen kan det resultera i skador p serviceteknikern operat ren eller patienten till f ljd av elektriska st tar mekaniska faror eller andra faror OPOZORILO Ta servisni priro nik je na voljo samo v angle kem jeziku Ce ponudnik storitve stranke potrebuje priro nik v drugem jeziku mora stranka zagotoviti prevod Ne posku ajte servisirati opreme e tega priro nika niste v celoti prebrali in razumeli e tega opozorila ne upo tevate
193. ts Revision D 170 Series Monitor 5 31 2000947 004 Theory of Operation Main Board Theory of Operation Uterine Activity 4 V Reference Re L Pressure Pressure Integrated circuit U33 with a gain of 200 and U34 pin 7 with a gain of 1 25 provide a total gain of 250 for the on board tocotransducer pressure channel The output of U34 pin 7 is offset 0 5 V providing a dynamic range of 80 to 400 relative units Each relative unit represents 20 UV at the input of U33 through resistors R318 and R320 Integrated circuit U42 and its associated components comprise a charge pump that converts the 3 3 V to 3 3 V U38 pin 11 and U34 pin 1 comprise a 2 5 V reference voltage U71 pin 7 provides a reference voltage which is half the 2 5 V reference called VREF 2 Integrated circuit US6 pin 7 and associated components provides the 4 V required for the tocotransducer Figure 5 19 provides a block diagram of the antepartum uterine activity section Differential Gain to Data Bus Amplifier Stage Telemetry TOCO ra Y 2 5 V ference Reference Amplifier Figure 5 19 Antepartum UA Module Block Diagram 9 32 170 Series Monitor Revision D 2000947 004 Theory of Operation Main Board Theory of Operation Power Supplies Integrated circuit U60 is a voltage comparator that senses that the power has been removed and inhibits battery RAM access
194. tton removes the audible indication of an individual fetal heart rate alarm NOTE Silencing an alarm does not affect the visual indications Revision D 170 Series Monitor 3 5 2000947 004 Controls Indicators and Connectors Front Panel Displays and Indicators Front Panel Displays and Indicators Fetal Heart Rate Display s and Indicator s FHR Display A three digit yellow numeric display indicates the fetal heart rate in beats per minute The value flashes during an alarm condition Heartbeat Indicator A yellow heart shaped indicator flashes with each detected valid heartbeat for the fetal heart Primary Versus Secondary Models 172 173 and 174 only Refer to Table 3 2 for a summary of display positions relative to connectors Uterine Activity Display This green three digit display indicates the uterine activity values Tocotransducer If uterine activity is measured using a tocotransducer the uterine activity value displays in relative units A plus sign flashes when the uterine activity value exceeds the strip chart range of 100 relative units IUP Models 173 and 174 Only If uterine activity is measured using an intrauterine pressure catheter or a strain gauge pressure transducer the uterine activity value displays in mmHg Table 3 2 Display Connector Summary Model171 171 Model 172 Model 173 Wem 174 TOCO US US2 NOTE FECG is Type BF for ANZ region 3 6 170 Series Monitor R
195. ucer into the monitor s US input receptacle and the other into the monitor s US2 receptacle Verify the following on the monitor The FHRI value shows three steady dashes The FHR2 value shows three steady dashes The recorder prints the messages US and US2 on the center margin of the strip chart paper 3 Use your finger to rub the face of the ultrasound transducer connected to the monitor s US input receptacle try to maintain a steady rate and verify the following on the monitor The FHRI value responds to the rubbing The FHRI heartbeat indicator KV responds to the input The recorder prints the heart rate tracing corresponding to the rate and the trace is plain black VV 4 Use your finger to rub the face of the ultrasound transducer connected to the monitor s US2 input receptacle try to maintain a steady rate and verify the following on the monitor The FHR2 value responds to the rubbing The FHR2 heartbeat indicator J responds to the input The recorder prints the heart rate tracing corresponding to the rate and the trace is bold black VV Revision D 170 Series Monitor 6 27 2000947 004 Functional Checkout Procedure Alarm Test Alarm Test This portion of the test ensures the integrity of the audio alarms and tests the alarm limit software 1 Connect the Model 325 Simulator s US sub cable to the monitor s US input 2 Press a
196. up mode to change these settings Table 8 1 Communication Default Settings Intended Device Baud Rate Baud Rate Mode HP or HP with Notes Ext BP Select a baud rate that is compatible with the external device The available settings 600 1200 2400 4800 9600 19 200 and 384 000 bps Select a communications mode compatible with the external device Select HP or HP w notes for connecting to a Marquette Quantitative Perinatal System or another central system that uses the Hewlett Packard communications protocol HP mode does not print central station annotations on the fetal monitor strip chart whereas HP w notes does Select ext BP for connecting to a Critikon Model 1846 1846SX Blood Pressure Monitor 8 4 170 Series Monitor Revision D 2000947 004 Peripheral Devices RS 232 Connectors Ext FSpO2 Select ext FSpO2 for connecting to a Nellcor Fetal Pulse Oximeter Factory The FACTORY mode is reserved for factory testing only 115 Update Select for backward compatibility so the 170 Series Monitor can operate in a Model 115 compatible communication mode This mode outputs all available information and ignores requests from a host computer system 115 Transmit Receive Select for backward compatibility so the 170 Series Monitor can operate in a Model 115 compatible communication mode This mode only outputs data requested from a host computer system Revision D 170 Series Monitor 2000947 004
197. us cleaning solutions Do not pull on cables when removing transducer plugs from the monitor front panel connectors remove plugs by grasping the gripper Equipment Required You will need the following equipment m Green Stranded Wire approximately 6 inches 24 AWG for tocotransducers and ultrasound transducers 26 AWG for FECG cable legplates 26 AWG Blue Stranded Wire approximately 4 inches for FECG Cable Wire Cutter Stripper Soldering Iron and Solder Shrink Tubing Oetiker Pincers for Nautilus Tocotransducers only l The color green is specified for consistency with factory builds and the wiring charts contained in this document 2 This tool is required to place an Oetiker clamp on a 2264 Series Nautilus Tocotransducer You can order the Standard Pincers No 1098 or Side Jaw Pincers No 1099 from Oetiker Inc P O Box 93 Livingston NJ 07039 The telephone number is 201 992 1920 7 4 170 Series Monitor Revision D 2000947 004 Serviceable Assemblies Transducer Plug Replacement Kits Tocotransducer Cable Preparation Refer to Figure 7 1 and Table 7 3 while following these steps l 10 11 12 IET 14 15 16 Cut 24 AWG green wire not supplied to 1 l inches long and strip each end l4 inch This will be used as a jumper wire Cut 24 AWG green wire to 2 inches long Strip one end 74 inch Route the transducer cable through the gripper Slide the gripper followed by the r
198. ut of this amplifier U2 pin 1 drives the emitter follower Q1 The gain of the amplifier emitter follower is 1 6 and is set by resistors R3 and R4 The output of Q1 emitter is 4 V 1 6 x 2 5 This voltage is used to power either an IUP transducer or tocotransducer Resistor R1 in the collector of Q1 is used to sense the current drain from other manufacturers of IUP transducers who don t have an IUP enable associated with them When the voltage at the junction of resistors R36 and R37 falls below 1 164 V 4 mA the output of the voltage comparator U16 pin 8 switches from a high state to a low state which in turn causes transistor Q3 to turn on and transfer the IUP enable across the isolated barrier This signal is named IUPEN However If a tocotransducer is present this signal is ignored Transistor Q3 can also be turned on by the signal PEN For Model 173 and 174 Monitors integrated circuit U33 and associated components provide regulation of the power supplied to the FECG IUP Board circuitry 7 12 V for Model 173 11 6 V for Model 174 For a Model 174 only the CLEAR signal synchronizes the counter in the PAL this in effect stops the power supply during the receive cycle of the ultrasound process for noise reduction purposes 5 36 170 Series Monitor Revision D 2000947 004 Theory of Operation FECG IUP Board Theory of Operation Pressure Channel The input to the pressure channel is to resistors RO and R10 with the signal nam
199. vision D Functional Checkout Procedure Legplate Inspection Legplate Inspection Inspect the legplate as follows 1 Check for a proper seal around the ground plate 2 Ensure that no contaminants are present on either the ground plate or the push posts 3 Visibly assess the condition of the cable strain relief and connector pins 6 12 170 Series Monitor Revision D 2000947 004 Functional Checkout Procedure Ultrasound Test Ultrasound Test This portion of the functional checkout procedure ensures the integrity of the ultrasound circuitry and the heart rate channel of the recorder l 2 Connect the simulator s US sub cable to the US receptacle on the monitor Set the switches on the Model 325 Input Simulator according to Table 6 3 If not already on press the monitor s Record pushbutton Turn the simulator s Manual Adjustment knob to input an ultrasound signal of approximately 120 BPM Verify the following on the monitor 4 4 The FHR1 value is 120 BPM The FHR1 heartbeat indicator KV flashes at a rate of 120 times per minute Ultrasound audio volume from the rear panel speaker can be increased or decreased using the left pair of Volume pushbuttons Set the volume to the desired level The recorder prints a continuous line at 120 BPM on the top grid of the strip chart paper The recorder prints the message US on the center margin of the strip chart paper after approximately 20 seconds
200. were not employed the system gain would have to be twice as high since it is a time sampled system The samples must be integrated over time averaged to produce the desired output In summary this method improves the signal to noise ratio of the system Since the DET signal is driven at the same frequency as the transmitted signal any return signal of the same frequency will be averaged and produce either 0 V or a dc offset at the output of the demodulator this is not seen by the main filter driven by the demodulator since it is AC coupled by capacitors C253 and C262 Therefore a difference frequency Doppler shift frequency must be present to produce an output from the demodulator The output of the track and hold circuit of Channel 1 at U46 pin 7 is switched to the Channel 1 main filter through U39 pin 11 to U39 pins 6 and 10 Telemetry 1f present is switched to the Channel 1 main filter through U39 pin 7 to U39 pins 6 and 10 Telemetry FECG if present is switched by U39 pin 3 to U39 pins 2 and 15 to the analog to digital converter The main filter 1s a band pass amplifier Its 3 dB points are 120 Hz and 300 Hz respectively The bandwidth slopes are greater than 40 dB octave The maximum gain of the filter is 46 dB with peaking of approximately 48 dB at 250 Hz The nominal gain in the system is approximately 36 dB and is controlled by R454 The Channel 1 main filter is comprised of U51 and associated components Revis
201. which causes 860 uA to flow in the photo transistor of U17 in turn causing P16 pin 6 to be pulled to ground on the non floating side of the barrier It is then sensed by the system microprocessor In summary the US1 enable isolated one channel of US from the Main Board along with a mode enable from the FECG IUP Board Revision D 170 Series Monitor 5 39 2000947 004 Theory of Operation FECG IUP Board Theory of Operation To Main Board Front End FECG IUP Connector Isolated Side Connector RA e FECG Low Noise Differential Amplifier with Optical Protection Circuitry Isolation e RL Drive Circuitry e High Pass Filter PRESS Pressure Differential e Optical Amplifier with s PRESS Protection Circuitry Isolation e 4 V Reference e IUP Detection Circuitry To TOCO Enable FECGEN Isolation for FECG To Main Board A D Converter for Processing Unisolated Side Connector Filtering and Gain Stages e Gain and Offset Adjustments e Filtering Stages Fee Model Line Optical TOCOEN IUP US1 174 only TON and TOCO US1EN 174 only US1EN 174 only Isolated 12 V 173 11 6V 174 144 KHz 173 only Isolated Power _2_________________ Supply Supplies 144 KHZ Q Q Power Supply y Control PAL A LLL LLL LLL LL LLL 174 Only Figure 5 22 FECG IUP Board Block Diagram 5 40 170 Series Monitor Revision D 2000947 004 Theory of
202. y Printout Revision D 170 Series Monitor 2000947 004 Setup Procedures Quick Reference Card Quick Reference Card Y our monitor was shipped with a Quick Reference Card in the appropriate language The front side lists the user setup codes while the reverse lists the service setup codes The card is laminated and comes with hook and loop adhesives to attach to your monitor A copy of this card is included on the following page if you wish to make additional copies for training Additional Quick Reference Cards can be purchased by calling one of the numbers listed in the front of this manual Table 4 5 provides a summary of the Quick Reference Card re order numbers Table 4 5 170 Series Quick Reference Card Document Part Number 2003024 001 2003024 002 2003024 003 2003024 004 2003024 005 2003024 006 2003024 007 2003024 008 2003024 009 2003024 010 2003024 011 2003024 013 2003024 014 2003024 015 4 18 170 Series Monitor 2000947 004 Revision D Setup Procedures Quick Reference Card COROMETRICS QUICK REFERENCE 170 SERIES oso INDICATORS CONNECTORS BUTTONS Alarms Disabled Ultrasound Setup On Standby K E Alarm Active Volume Increase Decrease Record A KAY E v Fetal Heart Rate Uterine Activity Uterine Activity Reference Paper Advance v ge Q A 2 Uterine Activity Alarm Silence Event Mark A D e SETUP 1 Press and hold Gq to enter exit the user setup mode Refer to the table at th
203. y monitoring using a tocotransducer or internal monitoring using an IUPC Table 2 1 Summary of Features 171 172 External uterine activity TOCO Internal uterine activity IUPC Ultrasound Dual ultrasound FECG Fetal heart rate alarms Fetal movement detection optional Heartbeat coincidence Fetal heart rate offset 174 Apr AAA AA AAA TA we pp Y pau 1 1 p or p t t Eo qp or p rt Ir a The Model 174 has a combi connector for the primary FHR that can be used for either US or FECG Revision D 170 Series Monitor 2000947 004 For your notes 170 Series Monitor 2000947 004 Revision D Controls Indicators and Connectors This section describes all possible controls indicators and connectors in the 170 Series This section contains the follovving information Front Panel Controls e 8 dE EE NEE EE dais 3 2 Front Panel Displays and Indicators 3 6 Front Panel Connectors coordenada EE 3 8 Ad Coral m 3 12 Rear Panel Connectors 2a s rad 3 14 Revision D 170 Series Monitor 3 1 2000947 004 Controls Indicators and Connectors Front Panel Controls Front Panel Controls Figure 3 1 Front Panel Controls Model 172 shown Table 3 1 Front Panel Controls Power Paper Advance Mark Offset Ma 3 2 170 Series Monitor Revision D 200094 7 004 Controls Indicators and Connectors Front Panel Controls Table 3 1 Front Pa

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