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1. Set the Patient simulator to an IBP value of 100 mmHg From the MAINTENANCE menu select IBP PRESSURE CAL 9 From the IBP PRESSURE CAL menu set CAL PRESSURE to 100 mmHg 10 From the IBP PRESSURE CAL menu select CALIBRATE 11 After the calibration is successful return to the normal screen ON AW P 12 Set the Patient Simulator to the following IBP static values 40 mmHg 100 mmHg and 200 mmHg 13 Check that the unit displays the following values respectively 40 1 mmHg 100 2 mmHg and 200 4 mmHg 14 Set the Patient Simulator to output an arterial wave with a value of 120 80 15 Check that the unit displays the following values Systolic 120 2 Diastolic 80 2 16 Confirm that the corresponding waveform is displayed correctly 17 Unplug the IBP sensor IBP SENSOR OFF should be displayed in the Message Area in the top right corner of the display 0070 10 059 1 01 Trio Service Manual 30 Parts 3 1 Exploded Views of the Trio Monitor See Figures 3 4 and 3 5 See Figure 3 2 See Figure 3 6 FIGURE 3 1 Main Sub Assembly See Figure 3 3 A 7 Trio Service Manual 0070 10 059 1 01 Exploded Views of the Trio Monitor Parts FIGURE 3 2 Front Panel Sub Assembly 322 0070 10 059 1
2. Trio Service Manual 0070 10 059 1 01 Trio Wall Mounts and Rolling Stand Repair Information 4 8 Trio Wall Mounts and Rolling Stand Trio Mouting Bracket Kit 0040 00 0338 Metric Panhead Screw M4X16 0211 13 0416 00 FIGURE 4 8 Mounting bracket kits 4 20 0070 10 0591 01 Trio Service Manual Repair Information Trio Wall Mounts and Rolling Stand Trio VHM Wall Mount Kit 0040 00 0337 02 Trio Wall Mount Kit gt 0040 00 0337 01 FIGURE 4 9 Mounting bracket kits Trio Service Manual 0070 10 059 1 01 4 2 Trio Wall Mounts and Rolling Stand Repair Information Mounting screws for adaptor he Utility basket Mounting serew for basket Trim plastic cover s not available Casters Non locking FIGURE 4 10 Trio roll stand SS Mounting screws _ for mounting bracket Ka 3 bor Trio monitor I mounting kit Mounting screw hardware included for basket a Pole oval extrusion not available Base metal casting a not available Washer locking Mounting bolts pole Replacement Parts Trio Rolling Stand DESCRIPTION Trio rolling stand value Trio monitor mounting kit Casters Non locking Casters Locking Utility basket Included in Trio Monitor Mounting Kit
3. FIGURE 1 9 Block Diagram of TR60 C drive board Detailed Description Thermal Head The thermal head the core component in the TR60 C recorder is the PTMBL1 300A thermal head manufactured by the ALPS company 0070 10 059 1 01 Trio Service Manual Theory of Operation Hardware Overview CPU System The CPU system is the core of the drive board Its task is to receive the data from the host and generate lattice messages after calculation using a specified algorithm These messages are then sent to the thermal head for printing The CPU system can simultaneously collect data from both the thermal head and the drive board and display data sent to the host Power Conversion The recorder requires the system to provide two voltages 12 V and 5 V The 5 V is directly driven by the logic and analog circuit of the drive board and the thermal head Its current is less than 150 mA The 12 V is converted into 8 V by the DC DC on the board to drive the thermal head and the motor The current required is determined by the printing content and ranges from 0 5 A to 2 A Motor Drive A small motor is used to control the paper movement at the thermal head The processor on the drive board uses two motor drives IC LB1843 V to control and drive the motor These two IC s use constant current to control and drive the motor status Detection To correctly and safely control and drive the thermal head and the motor the drive board must u
4. 1 2 5 Keypad Board P N 067 1 00 0058 KEY CPU Audio Process Circuit IX Main Control board Host CPU Board Watchdog FIGURE 1 7 Keypad block diagram 1 2 5 1 Detailed Description This module detects key and encoder input signals converts them into code then sends these coded signals to the main board The main control board Host CPU board in turn sends commands back to the keyboard s control indicator and audio process circuits which enable or disable audio and visual alarm respectively as required CPU e Detects key and encoder input signals e Controls LED status e Controls Audio Process Circuit e Regularly zeroes Watchdog Timer e Communicates with main board Audio Process Circuit Generates audio signals to drive the speaker Watchdog Upon power up supplies Reset signal to CPU e Provide functions of Watchdog Timer Output and voltage detection 10 0070 10 0591 01 Trio Service Manual Theory of Operation Hardware Overview Key Test Points NO NAME LOCATION FUNCTION VCC PA A Power input range 4 8 5 2V 2 GND P4 5 Power supply and signal ground RST U1 10 CPU reset signal At low level lt 0 3V when operating normally 4 Crystal oscillator X1 1 X 2 CPU crystal oscillator Sine wave signal 1 5 3 5V when operating normally 1 2 6 Keypad Board P N 0671 00 0064 KEY CPU SPEAKER PIC16F73 Audio Process Circuit Main
5. PART NUMBER TRIOROLLSTD 0406 00 0856 01 0401 00 0045 0401 00 0046 0202 00 0166 0070 10 059 1 01 Trio Service Manual 5 0 Appendix 5 1 System Alarm Prompts Trio Service Manual PROBLEM MESSAGE BATTERY VOLTAGE TOO LOW ECG WEAK SIGNAL NO PULSE PNP PNC ECG LEAD OFF ECG V LEAD OFF ECG LL LEAD OFF ECG LA LEAD OFF REASON When battery voltage is too low the monitor will automatically shut down within 5 minutes The patient s ECG signal is too weak The patient s pulse signal is too weak or non existent The pacemaker is not paced No pacemaker signal is captured ECG lead is not connected correctly The V lead wire of ECG is not connected correctly The LL lead wire of ECG is not connected correctly The LA lead wire of ECG is not connected correctly SOLUTION Use AC power supply Check if the electrodes and lead wires are connected correctly Check the current condition of the patient Check the connection of the sensor Check the current condition of the patient Check the connection of the pacemaker Check the connection of electrodes and lead wires Check the current condition of the patient Check the connection of the pacemaker Check the connection of electrodes and lead wires Check the current condition of the patient Check the connection of ECG lead wires Check the connection of V lead wire Check the connection of LL lead wire Check the co
6. Repair Information Introduction BATTERY LI ION POWER P12 POWER P11 FAN DISPLAY IDABK 20 14555 VA L5 ES FIGURE 4 5 Power Supply Pcb Lithium lon Battery Connector Reference Trio Service Manual 0070 10 0591 01 4 7 Introduction Repair Information This page intentionally left blank 4 8 0070 10 059 1 01 Trio Service Manual Repair Information Introduction Power Supply Bd Li lon 0671 00 0051 P1 3 1 2 1 FGND M E To CPU PC BD P11 P6 PE 2 D 1 GND Power Supply Control Bd Fan 0119 00 0197 NC 4 oam VBAT NC SCL GND ND BC 2 GND To CPU PC BD P12 NT NIC NC So Baygyg CON GND VS NC EB S Charge Ass y BD Li ion 0386 00 0303 VERT lt oa NC NC NC 17 18 lt 17 6V Power Input 250V 5A Backlight HV Inverter 0671 00 0250 0012 00 1490 To CPU PC BD P13 Recorder Module 00161 00 0023 FIGURE 4 6 Power supply board LI lon battery signal connection diagram Serial Port Converter Board P N 0671 00 0068 To CPU PC To Serial Port BD P5 FIGURE 4 7 Serial Port Converter board signal connection diagram Trio Service Manual 0070 10 059 1 01 Single Temp Cable Assembly Repair Information 4 2 Single T
7. Service Manual Datascope Trio Datascope mindray e 7 108 g4 Interval OFF 10 ET O min mindray NORTH AMERICA Service Manual Datascope Trio NORTH AMERICA Trio is a U S trademark of Mindray DS USA Inc Velcro is a registered trademark of Velcro Industries B V Navigator is a U S trademark of Mindray DS USA Inc Masimo SET is a US registered trademark of Masimo Corp Copyright Mindray DS USA Inc 2008 All rights reserved Contents of this publication may not be reproduced in any form without permission of Mindray DS USA Inc 0070 10 059 1 01 Trio Service Manual Table of Contents e S iii Warnings Precauhons And Notes ccce tei toe ea amd tete mue M La NN Bu iii I i A ct iii Theory of Operalion sov dee YR EN ONIS ELE RAS NN nenen 1 61 tee EE eebe 1 1 Hardware DI STA AP PU POE LT EET 1 3 Power Supply board Lead Acid Battery aote Bb BR ni aute 1 3 NEE E TEE 1 5 CPU Board dit Control Dona MUS S INNO ua aS 1 6 Keypad Bodi E 1 9 KPRD ond cod tea Ad Mec O M ME E tet 1 10 NN t ea Mr AA MEE c mE S 1 11 A ea D asus abi 1 12 Seria interiace Comventer e EE 1 14 Parameter Circuit Descrip PET 1 15 EE HH ECC Sm ES CE 1 15 ROS RE 1 15 NBA asas pios 1 16 PI de al Sispa 1 16 Tempe NER Km 1 17 O A dica oa MU dp 1 17 Calibration Maintenance oo ooooooooooo
8. IBP Cable TEMP ECG Sensor Cable Sensor FIGURE 1 2 Connection Diagram 1 2 1 Power Supply Board Lead Acid Battery P N 0671 00 0235 Trio power supply board specifications e AC input voltage 100 250 VAC e AC input current 1 6 A e AC voltage frequency 50 60 HZ e Two way output voltage 5 V 12 V normal working current is 1 5 A for 5 V 2A for 12 V e Two way output voltage has functions of short circuit over current and over voltage protection e The power board has reset function e The power board can manage the charging process of lead acid battery 12 V 2 3 AH The charging time is 8 hours maximum NOTE Power Supply Board must be connected to resistive load to operate properly and avoid damage due to an overcurrent condition Trio Service Manual 0070 10 059 1 01 3 Hardware Overview Theory of Operation Battery and Charging Management Circuit v oVDC DC converter Voltage test REC POWER SOURCE Power on off control circuit 12V output FIGURE 1 3 Block diagram of Trio power supply board Key Test Points NO 2 NAME Rectified voltage RTN Driving waveform VIN GND 5B 5V 12 V LOCATION C12 C12 negative electrode Q1 1 C19 positive electrode C19 negative electrode C47 positive electrode 7D3 cathode 7D3 cathode FUNCTION Primary rectified voltage range 107 354 V Primary ground Th
9. Pull power supply assembly straight back from rear of PCB chassis assembly Removal of PCB Chassis Rear Panel Plate 1 2 Remove four 4 3 x 6 mm Phillips panhead screws from rear panel of PCB chassis Remove rear panel plate This will allow access to NIBP Module and optional IBP PCB 0070 10 059 1 01 4 15 Disassembly Instructions 4 5 10 4 5 11 Repair Information Removal of NIBP IBP PCB Mounting Plate Remove two 2 3 x 6 mm Phillips panhead screws at upper right side center and upper left side center of PCB chassis assembly Remove one 1 3 x 6 mm Phillips panhead screw at lower left of NIBP IBP pcb mounting plate IF IBP PCB is installed remove cable assemblies from PD1 and P2 of IBP PCB Remove cable assembly from P1 of NIBP PCB Remove polyurethane hose from Rectus fitting on parameter panel Lift NIBP IBP PCB Mounting Plate up and out to remove This will allow access to ECG RESP TEMP PCB and SpO PCB Removal of Handle Remove two 2 4 x 14 mm Phillips panhead self tapping screw at top inside front of rear housing Push handle and handle shoes toward rear of rear housing until they are removed from housing Use an awl or similar tool to push the pins through the shoes releasing the handle 0070 10 0591 01 Trio Service Manual Repair Information ECG Cable ESIS and Non ESIS 4 6 ECG Cable ESIS and Non ESIS P N 0012 00 1255 XX 01 10 Straight Non ESIS 02 20 Straight Non ES
10. 01 Trio Service Manual Parts Exploded Views of the Trio Monitor FIGURE 3 3 Rear Case Sub Assembly Trio Service Manual 0070 10 059 1 01 3 3 JonuoW 89 4188 y OL 10 L690 01 0700 LL 94nBi4 eas Ajquessy qns sissoy uiow INDIA OL pur et so1nBi4 oos g pun Z so1nBi4 oos ING DN A O e M d S 2 Alio pA hee SUD JOJUOW OLI JO SA IA papojdx3 SU 101650010Z00 JOHR 99IAT9S y OH LL 9614 eos uo A quiessy qng sissoy uow 6 OL Pur 6 6 so1nBi4 sos g pun Z so1nBi4 NX y e S OLI eui JO SA IA papojdx3 SUD Exploded Views of the Trio Monitor Parts FIGURE 3 6 Display Sub Assembly KSE 0070 10 059 1 01 Trio Service Manual Parts Trio Service Manual FIGURE 3 7 Masimo SPO Sub Assembly 0070 10 059 1 01 Exploded Views of the Trio Monitor Exploded Views of the Trio Monitor Parts FI
11. After the recorder cools down use again If the problem still exists contact the manufacturer for repair Press down the recorder roller lever Install paper into the recorder Re install the recorder paper and try again Execute Clear Record Task from the recorder setup menu to reset communication between the host and the recorder If message does not clear contact Customer Service Install the recorder paper in the correct position Execute Clear Record Task from the recorder setup menu to reset communication between the host and the recorder If message does not clear contact Customer Service Restart the system If message does not clear contact Customer Service Check the airway of NIBP to see if there are occlusions Then measure again If the problem persists contact the manufacturer for repair Restart the system If message does not clear contact Customer Service XX represents all the parameter modules in the system such as ECG NIBP Ap IBP module etc 0070 10 059 1 01 Trio Service Manual Appendix System Alarm Prompts PROBLEM MESSAGE LOOSE CUFF AIR LEAK OVER PRESSURE SIGNAL SATURATED TIME OUT CUFF TYPE ERR PNEUMATIC LEAK MEASURE FAIL NIBP SYSTEM FAILURE REASON The NIBP cuff is not connected correctly The NIBP cuff is not connected correctly or there are leaks in the airway NIBP is in an overpressure condition Problem occurs when measuri
12. Control lt ea lt _ board Host CPU Board Watchdog FIGURE 1 8 Keypad block diagram 1 2 6 1 Detailed Description This module detects keypad and encoder input signals converts them into code and transmits the code to the Host CPU board The Host CPU board sends commands to the keyboard which in turn controls the indicator and audio process circuits activating audio and visual alarms accordingly CPU The Keypad Board s CPU is responsible for the following functions e Detects keypad and encoder input signals e Controls LED status e Controls Audio Process Circuit Regularly zeroes Watchdog Timer e Communicates with main board Trio Service Manual 0070 10 059 1 01 1 11 Hardware Overview 1 2 7 1 2 7 1 Audio Process Circuit Generates audio signals to drive the speaker Watchdog e Upon power up supply Reset signal to CPU Theory of Operation e Provide functions of Watchdog Timer Output and voltage detection Key test points NO NAME 1 54 58 2 GND 3 RST 4 Crystal oscillator TR60 C Recorder DC DC 12V 8V Motor driver LOCATION J5 pin 1 J5 pin 2 J5 pin 3 XI 1 X1 pin 2 FUNCTION Power input range 4 0 5 5V Power supply and signal ground CPU reset signal At low level lt 0 8V during normal operation CPU crystal oscillator Sine wave signal 1 5 3 5V during normal operation o Head IL cpld 9536 Status Detection TEN Signal amp 5 V
13. Pump lt YN 2 2 MRST MRST GND GND DV BV CK CK KEY 0012 00 1497 s IBP CABLE ASS Y 0012 00 1466 IBP MODULE 2 NC 2 54x3 OPT OPT 0671 00 0241 2 ars ANALOG OUTPUT GND BNC EECH EP ECG FESP TEMP MODUE 0671 00 023 AG SS o 0x5 4 0012 00 1481 5V lt l 5V STD STxD gt S 1 0012 00 1491 1 TT N fat ook in Su ETD Erop aer gt V 204 ERXD ERxD 2 0x4 2524 T2 DC DC lt 0x4 cno AG1 NET INTERFACE 0012 00 1496 12V TN i DC DC TXD lt TXD TXD gt TXD E 205 1 von n RA IN NELLCOR LA IN NELLCOR SPO PCB 25426 LLN MP506 SpO2 CABLE ASS Y 0671 00 0242 NELLCOR ISOLATION POWER BD SA VGA OUTPUT ss 0012 00 1661 or 0671 00 0247 E ais 067 1 00 0066 1 EE Tv lt 5VD 1 ES OGND 1 0012 00 1492 R 3 A 2 OGND gt STXD STXD o 4 NC Xn 1 OGND 20x4 SRD lt SRXD B 4 5 NE SHIT E SE SE i SN 5VA V 7 NC DC DC GND 8 NER gt TXA0 gt gq i Sg SC e lt OGND sa OUTER SHIELD gt NC is NC gt Lo oun 14 45 FIGURE 4 2 Trio Signal Connection Diagram Nellcor 0070 10 0591 01 Trio Service Manual Repair Information rig T pg NSRAM E rr T TE 3 17 Ce ke Sai O UL C TU ge a C45 eg i22 Los E r1 z E E 8 IS N rd E RST ER Eh 37 D I Ji cao 3E E24 25 8 R
14. Removal of the Front HOUSING 2241 tosta eis NB EE 4 14 Removakon Display MT OTRO pce M MIO 4 14 Removalor Thermal Printhead Recorra leed 4 14 KeinovalonPe Cen Md o ed cols 4 15 Removal of Display Mounting Plqatfe us qnte to m x oa deed BE 4 15 Replacementor 3V inn Gell Bates an EE 4 15 Trio Service Manual 0070 10 0591 01 i Table of Contents Removal of Power Supply Assembly Removal of PCB Chassis Rear Panel Plate Removal of NIBP IBP PCB Mounting Plate Removal of Handle ECG Cable ESIS and Non ESIS ECG Shielded Lead Wires Trio Wall Mounts and Rolling eS re alo ERN E AR ee TE EE P 4 15 us pai CU 4 15 hd cate eU DLE Lad 4 16 Ln Sm nata 4 16 ntn t dendi ee ALI A 17 c DRE 4 18 EE 4 20 O E de System Alarm Prompts 0070 10 059 1 01 Trio Service Manual Foreword Introduction Foreword This service manual gives a detailed description of the Trio Portable Patient Monitor including circuit descriptions test procedures and a spare part listing This manual is intended as a guide for technically qualified personnel during repair testing or calibration procedures Warnings Precautions And Notes Please read and adhere to all warnings precautions and notes listed here and in the appropriate areas throughout this manual A WARNING is provided to alert the user to potential serious outcomes death injury or serious adverse
15. events to the patient or the user A CAUTION is provided to alert the user to use special care necessary for the safe and effective use of the device They may include actions to be taken to avoid effects on patients or users that may not be potentially life threatening or result in serious injury but about which the user should be aware Cautions are also provided to alert the user to adverse effects on this device of use or misuse and the care necessary to avoid such effects A NOTE is provided when additional general information is applicable Warning WARNING The NIBP pneumatic test specified in the EN 1060 1 standard is used to determine if there are air leaks in the NIBP airway If the system displays the prompt that the NIBP airway has air leaks please contact the manufacturer for repair CAUTION To ensure continued use of the Factory Defaults when the unit is powered off and on save the Factory Defaults as the User Default Configuration after reassembly Trio Service Manual 0070 10 0591 01 iii Introduction Warning This page intentionally left blank iv 0070 10 0591 01 Trio Service Manual to Theory of Operation 1 1 Introduction The Trio portable patient monitor uses a parameter module as the basis for acquiring patient data The results are transmitted to the main control board to process and display the data and waveforms CPU board commands and status messages of modules are transmitted v
16. for demonstration purposes only INPUT DEM KEY Select to return to previous menu PREY IOUS MENU NORMAL SCREEN FIGURE 2 11 Demo Menu 0070 10 059 1 01 Trio Service Manual Calibration Maintenance Calibration and System Checks 2 4 3 Safety Tests Equipment Safety Analyzer Dempsey Model 431 or equivalent 2 4 3 1 Leakage Current Tests Case Leakage 1 Plug the line cord of the unit into the safety analyzer 2 Connect the case ground lead of the analyzer to the equipotential lug of the monitor at rear of monitor 3 Perform the tests under the following conditions a Case Grounded Normal polarity Polarity with open neutral b Case Ungrounded Normal polarity Polarity with open neutral Reverse polarity 4 Verify the current reading of the test is 10OpA under normal operating conditions lt 300pA under a single fault condition for 120 VAC and 500pA under a single fault condition for 230 VAC Patient Leakage 1 Perform the test under the following conditions a Lead to ground Sink current patient circuit Test V Model 431 Dempsey b Patient leakage with line voltage on leads Connect the ground wire from the safety analyzer to the equipotential lug of the monitor Connect the ECG cable from the analyzer to the monitor On the safety analyzer depress the APPLY 115 VAC button and note the reading Repeat the test for normal and open ground polarity combinations bh N Verify
17. the cuff and hose Check patient s condition Measure again if the failure persists contact the manufacturer for repair XXrepresents all the parameter modules in the system such as ECG NIBP IBP module etc Trio Service Manual 0070 10 059 1 01 Dg 0070 10 0591 01 Revision G July 17 2010 Mindray DS USA Inc e 800 MacArthur Boulevard e Mahwah NJ 07430 e USA Dom Customer Service 1 800 288 2121 e Intl Customer Service 1 201 995 8000 e Dom Fax 1 800 926 4275 Intl Fax 1 201 995 8680 e www mindray com Mindray Medical Netherlands B V e PO Box 26 3870 CA Hoevelaken e The Netherlands Tel 31 33 25 44 911 e Fax 31 33 25 37 621 Mindray UK Limited e 3 Percy Road e St John s Park e Huntingdon e Cambridgeshire PE29 6SZ e United Kingdom Tel 01480 416840 Fax 01480 436588 Mindray Medical France SARL e Europarc Cr teil e 123 Chemin des Bassins 94035 Cr teil Cedex e France Tel 0 1 45 13 91 50 e Fax 0 1 45 13 91 51 Mindray Medical German GmbH e Zwischen den Bdchen 4 e 64625 Bensheim e Germany Tel 49 6251 17524 0 Fax 49 6251 17524 20 Mindray Medical International Ltd e 2813 Office Tower Convention Plaza e No Harbour Road e Wanchai e Hong Kong Tel 852 2793 5596 e Fax 852 2344 8824 0002 08 89 1 8
18. the current readings of the test are 50pA under a single fault condition Trio Service Manual 0070 10 059 1 01 2 wr Testing Each Parameter Calibration Maintenance 2 5 Testing Each Parameter Testing each parameter annually ensures the accuracy of the Trio Monitor The following tests should be used for verification of operation only The following tests should not be considered calibration procedures 2 5 1 ECG and RESP 2 5 1 1 Test Equipment Patient Simulator 2 5 1 2 Test Procedures 1 Use a 5L patient cable and lead wires to connect a calibrated patient simulator to the ECG connector of Trio 2 Set ECG lead to lead Il and ECG size to x1 3 Check if ECG waveforms and RESP waveforms are displayed 4 Setup the parameters of the simulator as follows HR 30 gain x 4 RR 15 5 Check if the displayed ECG and RESP waveforms HR and RR values are correct 6 Change the simulator configuration HR 240 RR 120 7 Check if the displayed ECG and RESP waveforms HR and RR values are consistent with the parameters set up on the simulator 8 Remove ECG lead In this condition the Trio should immediately alarm and display ECG LEAD OFF at the top right side of the Message Area 2 5 2 NIBP 2 5 2 1 Test Equipment 2 12 NIBP Simulator NIBP Dummy Cuff Chamber 0070 10 0591 01 Trio Service Manual Calibration Maintenance Testing Each Parameter 2 5 2 2 Test Procedures 1 Use polyurethane tubing to connect
19. 0380 00 0442 0012 00 1661 067 1 00 0066 067 1 00 0247 0380 00 0444 0070 10 059 1 01 Parts Listing DESCRIPTION Bracket charge assembly lead acid ECG RESP TEMP PCB ECG RESP TEMP Cable Power Supply cable J5 P12 Power Supply board SLA Rear Chassis Plate Fan only Power Supply cable J4 P1 1 SpO Cable to CPU board SpO Bracket Spring batter lever Battery lever HV Inverter PCB Mylar Shield 8 4 TFT Display screen Cable TFT screen Display screen bracket Cable HV Inverter PCB to PS Cable HV Inverter PCB to Display Connector panel Cross slotted panhead tapping screw M3 x 6 TEMP cable TEMP connector panel TEMP connector nut IBP cable ECG cable Cross slotted panhead tapping screw M2 5 x 8 Connector RECTUS Masimo flex cable MS 7 bd Masimo below S N 21963 8 MS 7 SpO bd Masimo S N 21963 18 and above MS 7 isolated power bd Masimo Cable shroud Masimo Nellcor SpO connector Trio Nell 3 SpO bd Nellcor Isolated power bd Nellcor Cable shroud Nellcor Parts Listing REF NUMBER 69 70 7 72 73 74 75 76 77 78 79 80 8 82 83 84 85 86 See FIGURE 4 1 See FIGURE 4 1 See FIGURE 4 1 See FIGURE 4 1 See FIGURE 4 1 See FIGURE 4 1 N S N S N S N S PART NUMBER 067 1 00 0051 0386 00 0303 0436 00 0217 0441 00 0180 0380 00 0483 0211 00 1038 0211 24 0306 0012 00 1496 0012 00 1497 0221 00 01
20. 42 0334 00 2634 03 0220 00 0098 0671 00 0069 0012 00 1659 0671 00 0068 0136 00 0470 0012 00 1658 0217 00 0038 0012 00 1489 0012 00 1490 0012 00 1493 0012 00 1495 0012 00 1499 0012 00 1500 0334 00 2627 00 0334 00 2627 004 0334 00 2627 009 0334 00 2627 012 0070 10 059 1 01 Parts DESCRIPTION Power Supply PCB Lithium lon battery option Charge Assembly Lithium lon battery option Recorder mounting plate Main chassis Lithium lon battery option Base battery latch Screw MAx10 Phillips Pan Head Screw M3x6 Phillips Flat Head Cable CPU board to Ethernet Cable CPU board to Analog Out Adjustment washer Lithium lon battery option Label Rear info Nut w captive lock washer M3 Ethernet port board Cable Assembly converter board to CPU board Converter board Serial Port BNC socket Analog Out Cable assembly Serial Port Stud screw Serial Port Cable alarm to keyboard Cable Recorder to PS board Cable Recorder to CPU board Cable CPU board to VGA Cable CPU board to NIBP Module Cable CPU board to Keyboard Parameter Connector panel overlay w Masimo IBP Parameter Connector panel overlay w Masimo SPO Parameter Connector panel overlay w Nellcor IBP Parameter Connector panel overlay w Nellcor SPO Trio Service Manual i Repair Information 4 1 Introduction This chapter of the Service Manual provides the necessary technical informati
21. 5 Calibration and System Checks Calibration Maintenance NIBP CAL Connect a test chamber P N 0138 00 0001 03 and a calibrated digital mercury manometer with bulb via T fitting to the NIBP quick connect fitting of the Trio Monitor Figure 2 5 1 From the MAINTENANCE menu select NIBP CAL The selected tile will now read STOP CAL The user may select this tile at any time to stop the test 2 Using the bulb inflate the pneumatic system so that the digital mercury manometer reads O 50 and 200 mmHg in turn The difference between the indicated pressure of the digital mercury manometer and the indicated pressure in the NIBP parameter tile of the Trio Monitor should not exceed 3 mmHg If it exceeds 3 mmHg please contact a service technician TRIO MONITOR DIGITAL OR MERCURY MANOMETER TEST CHAMBER P N 0138 00 0001 03 FIGURE 2 5 Diagram of NIBP Calibration 6 0070 10 059 1 0 Trio Service Manual Calibration Maintenance Calibration and System Checks NIBP Pneumatic WARNING The NIBP pneumatic test specified in the EN 1060 1 standard is used to determine if there are air leaks in the NIBP airway If the system displays the prompt that the NIBP airway has air leaks please contact the manufacturer for repair 1 Connecta test chamber P N 0138 00 0001 03 to the NIBP quick connect fitting on the Trio Monitor Figure 2 7 2 From the MAINTENANCE menu select NIBP PNEUMATIC The NIBP pump will begin to run a
22. 70 10 0591 01 FUNCTION Generate a oscillating frequency about 100kHZ Primary Ground There is a waveform of about 100KHZ 107 354V between Q1 2 and the negative electrode of C12 There is a driving waveform of about 100KHZ 15V between Q1 1 and the negative electrode of C12 Secondary rectified voltage 17 6V provide input voltage for DC DC electrode Hardware Overview 1 2 3 1 2 3 1 Theory of Operation Key Test Points NO NAME LOCATION FUNCTION 7 12V C41 positive 12V output voltage range is 11 0 13 0V electrode 8 5V C58 positive 5V output voltage range is 4 75 5 25V electrode 9 Feedback R37 positive There is a DC waveform of about 2 5V between voltage electrode R37 CPU Board Main Control Board P N 0671 00 0056 or P N 0671 00 0236 Overview Power Supply Input Voltage 12 V 5 5 V 5 The main control board uses the Coldfire series embedded microprocessor 5206e manufactured by Motorola Company It also adopts 3 3 V low voltage power supply to reduce the power consumption Other main components on the main control board include Flash SRAM FPGA network controller etc all of which require 3 3 V power The capacity of the Flash is 2 MB or 4 MB which employs two parallel connected 512K x 16 or 1M x 16 chips and therefore uses 32 bit character width to support CPU to operate at the highest possible speed instead of accessing the DRAM for operation The main control board has also a 4 MB memory whi
23. Circuit attery i FIGURE 1 5 Block Diagram of Trio CPU board 1 2 5 2 Detailed Description 3 3 V low voltage power supply component is used The external power is 5 V which is converted by the DC DC converter into 3 3 V and 2 5 V the latter voltage being especially used for FPGA The main control board is connected to external devices via corresponding interfaces and input the power supply connected to the interface board the 9 way serial port TFT interface analog VGA interface network interface analog output and a spare serial port etc The BDM interface on the board is reserved for the purpose of software testing and downloads CPU Uses Coldfire 5206e Clock rate is 54 MHz working voltage is 3 3 V FLASH Uses two parallel connected 512K x 16 or 1M x 16 FLASH memories The output terminal PP1 of CPU is used to realize write protection of FLASH It is effective in low level state Applies to P N 067 1 00 0056 DRAM The Trio CPU main control board uses two parallel connected 1M x 16 DRAM which construct AM address space Trio Service Manual 0070 10 059 1 01 lez Hardware Overview Theory of Operation Display The resolution is 800 x 600 Frequency is 38 MHz It works in an appropriate SVGA mode VRAM adopts 16 bit structure and is divided into an alphanumeric character screen and a waveform screen To the left of the alphanumeric character screen is the corresponding waveform screen The character scr
24. EM CMOS ERR SYSTEM EPGA FAILURE SYSTEM FAILURE2 SYSTEM FAILURE3 SYSTEM FAILUREA SYSTEM FAILURES SYSTEM FAILURE6 SYSTEM FAILURE7 SYSTEM FAILURE8 SYSTEM FAILURE9 SYSTEM FAILURE 10 SYSTEM FAILURE 1 SYSTEM FAILURE 12 KEYBOARD NOT AVAILABLE KEYBOARD COMM ERR KEYBOARD ERROR KEYBOARD FAILURE KEYBOARD ERRI KEYBOARD ERR2 5V TOO HIGH 5V TOO LOW POWER ERR3 POWER ERRA 12V TOO HICH 12V TOO LOW POWER ERR7 POWER ERR8 3 3V TOO HIGH 3 3V TOO LOW REASON The measured value of XX parameter has exceeded the system measurement range the monitor displays 2000 1 1 this system prompt reminds the user that the current system time is inaccurate The system has no cell battery or the battery has run down The system has a fatal error or failure The keypad cannot be used The keypad has a failure The power supply has a failure System Alarm Prompts SOLUTION If message does not clear contact Customer Service Reset the system time After setting the time the user should cycle power This will avoid any time storage errors Install or replace the cell battery Restart the system If message does not clear contact Customer Service Check the keys for abnormal depression Contact the manufacturer for repair Contact the manufacturer for repair Restart the system If message does not clear contact Customer Service XX represents all the parameter modules in the system such as ECG NIBP SpO IBP mo
25. F NC NC 1 LED LE D OGND lt OGND GND GND NC ON GND lt GND OGND ocNp 2 0x6 lt Ng NC NC 7 NC 2 RXA 0 RXA 0 2 NC TX AQ MASIMO MS7 PLUG CONN BD 0671 00 0252 FIGURE 4 1 Trio Signal Connection Diagram Masimo SETE Trio Service Manual 0070 10 059 1 01 Introduction 0012 00 1488 Repair Information ENCODER 0311 00 0133 GND 1 GAB 82 2 0x6 B N VAB ALARM LED PC BD 0671 00 0240 RED 1 GREEN 4 COM SPEAKER ASS Y w cable 0012 00 1487 GND lt SCON 0012 00 1484 he gt HV BACK LIGHTHV INVERTER 0671 00 0250 DUAL TEMP CABLE ASS Y 0012 00 1469 SINGLE TEMP CABLE ASS Y 0012 00 1468 EO
26. GURE 3 8 Nellcor SPO Sub Assembly 3 8 0070 10 059 1 01 Trio Service Manual Parts Exploded Views of the Trio Monitor FIGURE 3 9 Right Side Panel Sub Assembly Masimo Trio Service Manual 0070 10 059 1 01 359 Exploded Views of the Trio Monitor Parts FIGURE 3 10 Right Side Panel Sub Assembly Nellcor 3 10 0070 10 0591 01 Irio Service Manual Parts Exploded Views of the Trio Monitor FIGURE 3 11 Rear Panel Sub Assembly a x Trio Service Manual 0070 10 059 1 01 Parts Listing 3 2 Parts Listing REF NUMBER 13 14 15 16 17 18 19 20 21 22 29 24 25 26 27 28 29 30 PART NUMBER 0161 00 0023 0380 00 0456 0380 00 0454 0334 00 2665 0211 00 0143 0211 00 0142 0366 00 0110 0330 00 0041 01 0330 00 004 1 21 0380 00 0455 0380 00 0441 067 1 00 0240 067 1 00 0237 067 1 00 0064 0012 00 1488 03 1 1 00 0133 0380 00 0439 0380 00 0524 0354 00 01 14 0226 00 0029 0367 00 0082 0367 00 0081 0221 00 1027 0348 00 0203 02 13 00 4013 0012 00 1487 0386 00 0292 0380 00 0440 0346 00 0050 0348 00 0202 067 1 00 0056 0146 00 0078 0104 00 0037 067 1 00 0241 0441 00 0178 0012 00 1494 0070 10 0591 01 Parts DESCRIPTION Recorder Recorder door Recorder filler panel Label Paper Reload Cross panhead screw M3 x 6 S
27. IS Non ESIS 05 10 Straight ESIS 06 20 Straight ESIS STRAIGHT FOR 01 02 05 06 amp XIk 1W 595 Connector 5X Ik C 1W 5 b X bomi Choke Resivicr im be Yake Connector brown YO E Cc we Ke www gt 4 1 gt 3 red LL Li gt black LA gt vr t gt 2 geen RL gt 6 SHIELD gt vY gt 8 FIGURE 4 5 ECG Cable ESIS and Non P N 0012 00 1255 XX ANSI AAMI EC53 1995 LEAD V Right Arm RA Left Leg LL Left Arm LA Right Leg RL COLOR Brown White Red Black Green IEC CONVENTIONAL STANDARD LEAD COLOR Chest C White Right Arm R Red Left Leg F Green Left Arm L Yellow Right Leg N Black Trio Service Manual 0070 10 059 1 01 4 17 ECG Shielded Lead Wires Repair Information 4 7 P N 0012 00 1262 XX 01 18 pinch 5 lead set Domestic 02 24 pinch 5 lead set Domestic 03 40 pinch 5 lead set Domestic 04 18 pinch 5 lead set International 05 24 pinch 5 lead set International 06 40 pinch 5 lead set International 13 3 40 2 60 pinch 5 lead set Domestic LEAD CONNECTOR Domestic KE YINC ELUCKS ARE TU HE THE SAMI COLOR AS LEAD WIRE TWO PIKS SHORTED TWO PINS SHORTED Domestic ECG Shielded Lead Wires 14 3 40 2 60 pinch 5 lead set International 07 18 pinch 3 lead set Domestic 08 24 pinch 3 lead set Domestic 09 40 pinch 3 lead set Domestic 10 18 pinch 3 lead set Int
28. Ki pit 7 Tow CH 7 fg x yaaa h a go NEAN alid u 7 N t P aa DOWN d ara i a gt kc ss pp ana NG m j lt vi APS A R Cd wm ez COO a Fi aan eege E C b p AR I i 4 NN eee ES NN N Ul y 5 1 Xs NN y mu ee c i e e eO N C AY keen EE E ec i d Ki e maa e EE A ye L ud CC P d N 7 x d N DOE fi t P gt 6 4 K AN oO E pim N y N Kal LO Tp 2222 N mies NV OX 5 TT DN 7 I Y Ng Pi N Ee F LN rud 4 Ng Pm naa gt Tg fr Tue m Ch fT M M M m og mE ap Nidar D 7 xr E rr Y DNI Co C c N ed P HI jS C O am 7 been 7 s a a ei N tm je E en oer IN ex l J JJ ot S En C gt E S e ri O C A lA LA gt En re La Lt LT uM AAA EN e am E A AA a MEME 1 pane P ME CH E COMES ones EEN see cnm S N V e EU EN KZ ML ho NA usd A de e C d a ma o En N z E CH 5 meom ut Gol SE f T GI pa Me A hs E uS O C Es fe Ka E E N d Se FIGURE 4 4 Power Supply PCB Lead Acid Battery Connector Reference Trio Service Manual 0070 10 0591 01
29. ON VAM B D w 6 PLED EEN 20x6 PL ED LI Pt GN D GND NC SCL SCL IBK SDA GND DCL K SPEAKER ASS Y wlcable 0012 00 1487 Te 0012 00 1486 e 1 S D mav 1 SV 22 2 0x2 SCON SCON GND 254x2 BRG BR B lt _SCON NC 2 0x 10x 2 DSO gt GND NETWORK BACK LIGHT HV INVERTER PP7 PP6 0671 00 0250 gt RECORDER 0161 00 0023 END 0012 00 1493 GND 0012 00 1490 RID pots SH TFT LCD DISPLAY 0160 00 0075 18V 1 55 RRx D C RRxD 2 54x4 TE gt RE BACK HE GND 04 GND GND 00 00 SE 5V 1 1 0012 00 1484 HV lt HV HWV 5 HV NIBP MODULE 0104 00 0037 0012 00 1499 1 NTxD NT xD gt NRx D NRx D 1 2515 TE 8 12V 12V To 2 54x8 GND GND 2 54x 8 GN D GN D lt GN D 2 2 Pum p 12V D MR ST MR ST GND gt GND CK gt CK GND IBP MODULE 0671 00 0241 NC NET INTERFACE 0012 00 1496 Gu gt 1 TXD TXD S DE TXD TXD ANDA AND ECG RESP TEMP MODULE 0671 00 0239 0012 00 1468 B1 Bi 1 B1 B1 1 0012 00 1491 1 T T AG Vss 0x5 0012 00 1481 ETD x AG T A A61 GH SET STxD STD 2 0x4 ERxD ERxD 20x4 25942 ru Port 204 SRxD SRxD 2 0x4 GND GND AG 1 AG 1 DISCS GD DND ON S ee ar S wu DC DC DC DC ECG CABLE ASS Y 0012 00 1465 1 MS7 SPO2 ISOLATION POWER BOARD 0671 00 0246 254x6 TEN lt EW SH SH 0012 00 1492 4 S rem MASIMO FLEX CABLE SE 0012 00 1662 MASIMO ap 2 0x4 MS7 SPO2 PCB 12V 0671 00 0243 DER DET DET 35V DET DET P DEF lt COG ND ED
30. S CABLE ASS Y 0012 00 1465 RA IN CPU PC BD 0671 00 0236 or 0671 00 0056 POWER INPUT 250v 5A POVER SUPPLY BOARD 0671 00 0235 0012 00 1478 1 KEYPAD 0671 00 0237 or 3 ACT 1 1 5v 5 AR 0671 00 0064 e e FOND GND GND i RS 2546 12 5 127 2556 FAN 0119 00 0197 TZV 42V 0012 00 1500 1 GND PE 2 GND lt GND 1 KTXD lt KRXD 1 AB lt 4 ABU 1 KRX D KTXD 2 BAITERYBD LEAD ACID 208 5v oV 2 0x8 A 0012 00 1494 4 0012 00 1477 GND GND VAB BV BV 1 pooN PCON 1 12V lt AN d PB PB 3 963 BCON BCON PON PON BV 4 BV 206 PLED PLED 20x6 PLED PLED 7 1 NC M SCL Sc BK 1 RED SUA gt SDA GND GREEN St A DCL K 20x3 GND 1 0012 00 1486 zd GND gt 2V d Zi NC N 2544 own gt GND RST AVI 1 5V gt 5V DSI GND 2542 BRG lt 2 BRG VCC eee NC 20402 DSO lt 202 gt BACK LIGHTHV INVERTER ex ES PP7 0671 00 0250 PPE lt PP5 5 RECORDER MODULE 0161 00 0023 GND S GND 0012 00 1493 4 CLK lt 0012 00 1490 1 RD lt RIXD 5V lt TFT LCD DISPLAY0160 00 0075 8v 1 RRXD 2544 ITE gt 6 20x2 20x3 GND lt GND 0012 00 1485 5V 1 vcc y vcc 1 VCC HV GND GND HV NBP MODUE 0104 00 0037 GND GND La 1 0012 00 1499 1 pe mr NTxD NTxD GND GND NRxD NRxD 125x15 gt 127 5 V 1 Gi 2 54x8 GND lt GND 2 548 GND lt GND GND GND C va
31. ce Manual Repair Information Trio Service Manual Parameter Failure MESSAGE PROBLEM No ECG waveform ECG waveform interference or abnormal ECG waveform No RESP waveform or abnormal RESP waveform TEMP value is incorrect HR value is inaccurate NIBP cuff cannot be inflated Blood pressure intermittently cannot be measured Blood pressure measurement is inaccurate No SpO waveform SpO waveform interference SpO value is inaccurate REASON Poor connection of ECG electrodes No square waveform exists during CAL self test RL electrode is disconnected ECG RESP module is damaged Electrodes are connected incorrectly There are disconnected or intermittent electrodes AC power has no grounding plug ECG filter mode is incorrect ECG RESP module is damaged or defective Electrodes are connected incorrectly Patient is moving constantly ECG RESP module is damaged or defective Temp sensor is poorly connected ECG waveform intermittent Airway is occluded or has leakage Cuff becomes loose or patient is moving Cuff size does not fit the patient NIBP module defective SpO Sensor or SpO module is damaged Patient is moving Ambient light is very intensive Dye has been injected into patient s body 0070 10 059 1 01 Troubleshooting SOLUTION Use new electrodes to ensure good contact Replace ECG RESP module Connect RL electrode Replace ECG RESP module Correctly co
32. ch is made up of two parallel connected 1M x16 bit chips Because no executing program is required to be loaded only one RTC is used This chip uses one 225maH dry cell as the spare power supply In addition one 2KB E2PROM is used to store parameters The main control board supports a resolution of 800 x 600 and provides three interfaces a LVDS interface a 6 bit digital interface and a VGA interface The monitor displays characters and waveforms in the same color on the screen The support system needs 10 serial ports and the baud rate 4800 9600 19 2 K 38 4 K 76 8 K can be selected by software and interface buffer drives The main control board adopts the network controller AX88796 3 3 V 10 MHz which has inside 16 K high speed buffer SRAM The MAX5 102 8 bit single way D A converter is used to fulfill analog output The 5 V and 12 V regulated voltage supplies are introduced from the power board and therefore 3 3 V and 2 5 V working supplies are respectively generated Among them 2 5 V is to be used for the internal verification of FPGA Applies to P N 067 1 00 0056 0070 10 0591 01 Trio Service Manual Theory of Operation Hardware Overview RTC E PROM DRAM Flash SRAM ERN el Display driving CPU jest I circuit i i i i i I Audi dii eni IO serial inis NE ne interface b
33. crew M3 x 40 Knob Keypad overlay w freeze key Keypad overlay w normal screen Front bezel w glare screen Alarm light lens Alarm light panel PCB Keypad PCB Freeze Key Keypad PCB Normal Screen Key for Serial Number MC05000 XX or Greater Encoder Cable Encoder PCB Back Housing Trio w RCD for Serial Number lower than MCO5000 XX Back Housing Trio w Serial Port Serial Number MCO5000 XX or Greater Fan washer Dowel Handle shoe mount Handle Friction washer Rubber bumper Cross panhead tipless tapping screw PT4 x 14 Speaker cable assembly Speaker Bracket Battery door Battery door tether Foot CPU Board with 4 MB RAM 3V lithium battery NIBP assembly IBP PCB Main chassis Cable charge assembly lead acid Trio Service Manual Parts Trio Service Manual REF NUMBER 3 32 33 34 35 36 37 38 39 41 42 43 44 AAA 45 46 47 48 49 50 52 54 55 56 57 58 59 60 6 62 63 64 65 66 67 68 PART NUMBER 0386 00 0293 067 1 00 0239 0012 00 149 0012 00 1477 067 1 00 0235 0386 00 0333 0119 00 0197 0012 00 1478 0012 00 1492 0406 00 083 02 14 00 0249 0367 00 0083 067 1 00 0250 0349 00 0342 0160 00 0075 0012 00 1485 0406 00 0823 0012 00 1486 0012 00 1484 0380 00 0443 0213 00 4014 0012 00 1468 0386 00 0295 0219 00 0007 0012 00 1466 0012 00 1465 02 13 00 4015 0103 00 0535 0012 00 1662 067 1 00 0243 067 1 00 0271 067 1 00 0246
34. d general guidelines 1 2 3 4 Do not short component leads together Perform all steps in the exact order given Use extreme care when reaching inside the opened instrument Do not contact exposed metal parts which may become live Read through each step in the procedure so it is understood prior to performing the step Test Equipment and Special Tools Required Digital or Mercury Manometer w bulb and valve 0 300 mmHg Test Chamber Dummy Cuff P N 0138 00 0001 03 DVM Patient Simulator Safety Analyzer Dempsy Model 431 or Equivalent Metric Ruler PC or Laptop w Windows 98 or above CD ROM drive and Ethernet card installed 0070 10 059 1 01 Calibration and System Checks Calibration Maintenance 2 4 2 4 1 2 4 2 Calibration and System Checks Device Appearance and Installation Checks Inspect the Trio Monitor to ensure that The outer housing of the device is clean and has no scratches or cracks When shaking the device there are no loose components All keys are smooth and free for operation Labels are complete sufficient and accurate Standard configuration is complete and all connectors are installed securely Maintenance Menu The MAINTENANCE menu provides access to all user operable calibration checks It also provides access to certain technical information and settings To access the MAINTENANCE menu turn the unit on rotate the Navigator knob to highlight the MENU icon at the bottom of
35. dule etc 0070 10 059 1 01 Sad System Alarm Prompts PROBLEM MESSAGE CELL BAT TOO HIGH CELL BAT TOO LOW RECORDER SELF TEST ERR RECORDER VLT HIGH RECORDER VLT LOW RECORDER HEAD HOT REC HEAD IN WRONG POSITION RECORDER OUT OF PAPER RECORDER PAPER JAM RECORDER COMM ERR RECORDER PAPER W P REC NOT AVAILABLE NIBP INIT ERR NIBP SELFTEST ERR NIBP ILLEGALLY RESET NIBP COMM ERR REASON Cell battery is defective Incorrect cell battery installed The cell battery has become depleted The cell battery is not installed or the connection is loose During the recorder self test there is a Recorder Module communication failure The recorder module has voltage failure The continuous recording time may be too long The recorder roller lever is not pressed down No paper is in the recorder The paper in the recorder is jammed The communication of the recorder is abnormal The recorder paper is not installed in the correction position Cannot communicate with the recorder NIBP initialization error During NIBP measurement illegal reset occurs No NIBP communication Appendix SOLUTION Replace the battery If message does not clear contact Customer Service Execute Clear Record Task function in the recorder setup menu to reset communication between the host and the recorder If message does not clear contact Customer Service Contact the manufacturer for repair
36. e at any time to end the test 3 A ImV peak to peak square wave will appear in the ECG waveform area This is the Cal Pulse Measure the amplitude of the Cal Pulse with a metric ruler The Cal Pulse should measure 1 cm 5 Set ECG size to x 2 Cal Pulse should measure 2 cm 5 Set ECG size to x 25 Cal Pulse should measure 25 mm 5 Set ECG size to x 5 Cal Pulse should measure 50 mm 5 If any measurements are out of tolerance range please contact the manufacturer for repair O NP y Technical Information and Settings From the MAINTENANCE menu select each tile to access specific technical information or settings Version This menu will display the current version of the unit s software VERSION HOST MODULE Version 02 01 00 HOST BOOT MODULE Version 1 1 ECG MODULE Version 2 1 NIBP MODULE Version 4 0 IBP MODULE Version 1 1 KEYPAD MODULE Version 2 0 RECORDER MODULE Version 1 0 SPO MODULE Version 01 08 01 00 select to return to previous menu PREVIOUS MENU NORMAL SCREEN FIGURE 2 8 Version Menu Applies only to host software version 02 01 00 and greater 0070 10 059 1 0 Trio Service Manual Calibration Maintenance Calibration and System Checks Error Log This menu will display any system errors which may have occurred during normal operation of unit SCROLL or PRINT this information by selecting the respective tiles ERROR LOG 1 STARTUP TIME 01 01 2000 02 10 29n
37. e the heart beat and pulse tone If P3 2 is high the alarm square waveform of P3 5 will pass and as a result control P3 2 to generate a heart beat tone or rotary encoder tone R11 R12 R3 R32 and R18 together construct a variable voltage dividing network which by controlling the state of RA and RB via U3 determines the sound volume level 2 RC Bandpass Filter Audio Amplifier A one stage RC bandpass filter is used to block the low frequency component of the alarm signal 700 Hz square wave before it is input to the audio amplifier LM386 This bandpass filter is made up of R13 R28 C9 C15 RA and the input resistance R in of LM386 3 Alarm Indicator Control Encoder and Key Scanning The flashing of the alarm indicator in red or green is controlled by the state of microchip P1 6 and P1 7 The microprocessor scans the state of microchips P1 0 P1 2 to determine which key or if the encoder is pressed The microprocessor scans the state of microchips P1 4 and P1 5 to determine if the encoder is turned and in which direction it is turned Key Test Points NO NAME LOCATION FUNCTION VCC P4 4 Power input range 4 8 5 1V 2 GND P4 5 Power supply and signal ground 3 RST U1 1 CPU reset signal At low level 0 3V when operating normally 4 Crystal oscillator X1 1 X 2 CPU crystal oscillator Sine wave 1 5 3 5V when operating normally Trio Service Manual 0070 10 059 1 01 1 9 Hardware Overview Theory of Operation
38. e1C2 ie R80 Carre s T pum 2 27 gek E3 Sr Wes SE eet GOA SL Ou FST o Bu SH E O mug Ingog 5 L14 lo LiL E 15 e P Hit Bra Y VER I8 bi Li d e C90 C40 La S R1CI C45 e D i CS Inco SE 31 KI ch D CL 12 M Pa Eom tors AT d e OJO 4t 1 Gr 33 Hipp IB JS ae EL dz T Ll Hb LL I 5 ICT b TE FIGURE 4 3 CPU PCB Connector Reference Trio Service Manual 0070 10 059 1 01 OO pis Introduction Repair Information Introduction FRONT OF TRIO MONITOR REC FAN DISPLAY POWER P11 BATTERY POWER P12 e E _ 1 e n P aa das S QU cH Fi sr me ey de K Kies C2 EDS P dla NG e a M co C3 TECHN POSU D gt egen EN AAA N LC gt NL 1 SO ea I P P Mi dien R N S N Yg N M N N N N D 4 S N N pm y UN Tg X Ki N NC N Kg b N b ki x N N N l A ERI gt E RENE EE s TLF aa NS ES d el Y ds c ee ge ee SER RN M S Sa e tO o y a EOS N ge 1 i T u SS TU a ef N Ze A ek a aneen S em pe SES D RE NUT Ne T ge Fi 7 H sr e N b P tai ne N LET Mm CH ZO Xx Le ON
39. een is used to display data and flashing alarming parameters The user can select the color of the waveform and alphanumeric characters for each parameter LVDS Interface By utilizing time share sampling the IVDS Low Voltage Differential Signaling interface converts multi channel CMOS TTL signals into single channel low voltage double frequency differential signals LVDS interface is generally realized by a special integrated circuit The special LVDS chip used for display is DS9OCF363A This chip converts 18 bits of RGB data and 3 bits of LCD timing and control data 21 bits of CMOS TTL data into 3 LVDS data streams Four differential signals including the 3 data streams and a phase locked frequency are transmitted to the display screen The working frequency of DS9OCF363A is 20 65 MHz Reset and Parameter Storage The CPU board uses an integrated chip CAT1161 which controls both power on reset and parameter storage This chip has an E2PROM with the capacity of 2K It can be used to modify and store various nonvolatile parameters of the host The power on reset and WATCHDOG functions are used to realize reset function of the CPU board When J1 is open circuit the software can also disable WATCHDOG by using the output signal PPO of CPU in order to realize the self test of WATCHDOG The bus interface of this chip is I2C Network Controller The network controller adopts special chip AX88796 Its working clock is 25 MHz It also has inter
40. emp Cable Assembly P N 0012 00 1468 Temperature socket 1 red T1 2 black AGND FIGURE 4 8 Single Temp Cable Assembly 4 3 ECG Cable Assembly P N 0012 00 1465 1 white 2 black 3 red 4 blue 5 yellow 6 shield SH solder side FIGURE 4 9 ECG Cable Assembly 4 10 0070 10 059 1 01 Trio Service Manual Repair Information Troubleshooting 4 4 Troubleshooting During transportation storage and use of the Trio Monitor various factors may result in Trio Monitor failures or affect normal operation of the device Some of these factors include Unstable network voltage changing environmental temperature physical damage or component aging During failure conditions qualified service technicians should perform module level service according to the failure classification listed in the table below Module level service is defined as analysis replacement or test of any module or modules that may be determined defective within the device These modules include Power board main control board TFT assembly cable or parameter module The repair operation must be conducted under specific environmental conditions by a qualified service technician with access to special test equipment 4 4 1 Module level Troubleshooting Device Failures SOLUTION Replace fuse MESSAGE PROBLEM No display after power on REASON Blown fuse Power indicator does not light Power Supply defective Replace P
41. ere is a driving waveform of about 100 KHZ between Q1 1 and the negative electrode of C12 17 5 V provide input voltage for DC DC Secondary ground 5 V spare output provide power for on off circuit 5 V output voltage range is 4 75 5 25 V 12 V output voltage range is 11 0 13 0 V 0070 10 0591 01 Trio Service Manual Theory of Operation Hardware Overview 1 2 2 Trio Service Manual Power Supply Board Lithium Ion Battery P N 0671 00 0051 Trio Power Supply board specifications e AC input voltage 1 10 240 VAC4 1076 e AC input current 1 6A e AC voltage frequency 50 60 3HZ e Two way output voltage 5V 12V normal working current is 1 3A for 5V 1 3A for 12V e Two way output voltage has functions of short circuit over current and over voltage protection e The power board has reset function e The power board can manage the charging process of li ion battery 11 1V 4 4AH The charging time is 6 5 hours maximum Li ion Battery and Charging Managerent circuit 5VDC DC BUCK converter Voltage test REC POWER SOURCE Power on off control circuit 12V output FIGURE 1 4 Block diagram of Trio power supply board Key Test Points NO NAME Oscillator frequency 2 GND 3 D S waveform 4 Driving waveform 5 Rectified waveform VIN LOCATION Pin 4 of U CC61 negative electrode Q1 2 Q1 1 D5 anode C18 positive 00
42. ernational 11 24 pinch 3 lead set International 12 40 pinch 3 lead set International PATIENT END TERMINATION SHIELD International ETTING LER KS ARE TO IRE THE SAMI COLOR AS LEAD WIRE Tb PISS SHL I FI WD PINS SHORTED s International FIGURE 4 6 ECG Shielded Lead Wires P N 0012 00 1262 XX 0070 10 059 1 01 Trio Service Manual Repair Information ECG Shielded Lead Wires P N 0012 00 1261 XX 01 18 snap 5 lead set Domestic 02 24 snap 5 lead set Domestic 03 40 snap 5 lead set Domestic 04 18 snap 5 lead set International 05 24 snap 5 lead set International 06 40 snap 5 lead set International 13 3 40 2 60 snap 5 lead set Domestic LEAD PES 14 3 40 2 60 snap 5 lead set International 07 18 snap 3 lead set Domestic 08 24 snap 3 lead set Domestic 09 40 snap 3 lead set Domestic 10 18 snap 3 lead set International 11 24 snap 3 lead set International 12 40 snap 3 lead set International PATIENT END CONNECTOR L 1 00 1 00 de E de V _ TERMINATION SHIELD L 4 1 00 KEYING BLOCKS ARE TO BE THE SAME COLOR AS LEAD WIRE TWO PIN SHORTED TWO PIN SHORTED L 1 00 KEYING BLOCKS ARE TO BE THE SAME COLOR AS LEAD WIRE TWO PIN SHORTED TWO PIN SHORTED gt FIGURE 4 7 ECG Shielded Lead Wires P N 0012 00 1261 XX
43. gator knob disabled Sound is distorted or mute Recorder will not print Record paper skews Power Board Failure MESSAGE PROBLEM Fuse blows upon power on Fuse blows when all loads are disconnected Fuse blows after connecting a specific PCB Indicators of power and main control board illuminated however the fan does not run and the keypad indicator does not illuminate Indicators of power and main control board do not illuminate however the fan runs normally and the keypad indicator illuminates REASON Keypad or Navigator knob is damaged Keypad cable is damaged Keypad failure Speaker or cable failure Recorder has no paper or roller lever is not pressed down Recorder failure Recorder cable is damaged Bad recorder paper installation or positioning REASON Short circuit in power supply or other module Power Supply failure PCB may be defective 127 DC power is damaged 5V DC power is damaged 0070 10 059 1 01 Repair Information SOLUTION Replace keypad or Navigator knob Replace or repair keypad cable Replace keypad Replace speaker or cable Install paper and press down the roller lever Replace the recorder Replace or repair the recorder cable Adjust the installation of recorder paper SOLUTION Replace module or PCS Check after power on Replace Power Supply Replace PCB Replace the power supply PCB Replace the power supply PCB Trio Servi
44. he alarm limit of XX parameter has inadvertently deviated from standard range SOLUTION Check the connection of RA lead wire Check the connection of C lead wire Check the connection of F lead wire Check the connection of L lead wire Check the connection of R lead wire Check the connection of SpO sensor Decrease patient motion Check sensor Wait several seconds for saturation value to appear If it does not appear do one of the following e Change to site where pulse is stronger if patient is vasoconstricted e Change or readjust sensor if loose Check patient connection and patient status Minimize the room light around the patient Check sensor Replace the sensor with a recommended sensor from Customer Service Power the unit OFF ON If problem persists notify hospital technician or Customer Service Notify hospital technician or Customer Service Replace sensor Check the connection of TEMP sensor Check the connection of IBP cable Check the connection of ECG lead wires Check the current condition of the patient If message does not clear contact Customer Service XX represents all the parameter modules in the system such as ECG NIBP SpO IBP module etc 0070 10 059 1 01 Trio Service Manual Trio Service Manual PROBLEM MESSAGE XX RANGE EXCEEDED REAL CLOCK NEEDSET REAL CLOCK NOT EXIST SYSTEM WD FAILURE SYSTEM SOFTWARE ERR SYSTEM CMOS FULL SYST
45. ia databus The structure of the entire system is shown in the figure below Medical Staff Keyboard Display Recorder Main Network Power control lt interface board future ECG RESP TEMP NIBP SpO IBP Patient FIGURE 1 1 System Structure Diagram Trio Service Manual 0070 10 059 1 01 pe Introduction Theory of Operation As shown in the above figure the four parameter modules execute real time monitoring of NIBP SpO ECG RESP TEMP and IBP through the use of blood pressure cuffs and patient cables The patient data is transmitted to the CPU board for display When required data may be printed out via the recorder 2 0070 10 0591 01 Trio Service Manual Theory of Operation Hardware Overview 1 2 Hardware Overview TFT Display 834 inchs 800 X 600 X14 Serial Coverter Serial J2 P C B J1 interface Alarm LED P1 A4 TFT_DIGTAL P2 CRT P3 FOR 9000 p42 VGA P7 BDM J9 Jy Key amp Alarm P C B J8 J6 Main id Power Input Power Supply PCB Speaker P11 Host P C B X P13 1 Recorder Module P17 FOR 509C X TO 2 x4 P15 P16 P6 X From J2 3 did Recorder P S Battery VGA interface X5 ECG RES P TEMP XT NIBP NET Interface Module P C B X11 Analog output da IN
46. measured by the thoracic impedance method When a person is breathing his chest moves up and down This movement equals the impedance change between electrodes RA and LL The monitor converts the high frequency signals passing through RA and LL into amplitude modulated high frequency signals which are then demodulated and amplified into electronic signals varying with the respiration changes and then transmitted to analog digital converter The RESP module is made up of a respiration circuit board and a coupling transformer The circuit includes stages such as oscillation coupling demodulation preliminary amplification and high gain amplification Trio Service Manual 0070 10 059 1 01 La 15 Parameter Circuit Descriptions Theory of Operation 1 4 3 1 4 4 NIBP The monitor measures non invasive blood pressure using the oscillometric method Detailed measurement procedures follows 1 Inflate the cuff encircled around the upper arm until the pressure in the cuff blocks the blood flow in the artery of the upper arm 2 Then deflate the cuff according to the requirement of the algorithm 3 With the pressure decreasing in the cuff the arterial blood will palpitate with the pulse which results in pulsation in the cuff Through the pressure sensor connected to the bladder of the cuff a pulsation signal synchronous with the patient s pulse will be generated 4 After being filtered by a high pass filter about 1 Hz this sig
47. n the simulator 7 Check that the displayed values on Trio are equal to the SpO simulator values 2 8 Remove sensor Trio should immediately alarm and display the message SpO SENSOR OFF in the message area in the top right corner of the display Trio Service Manual 0070 10 059 1 01 2213 Testing Each Parameter 2 5 4 2 5 4 1 2 5 4 2 2 5 5 2 5 5 1 2 5 5 2 2 14 Calibration Maintenance TEMP Test Equipment e Patient Simulator Test Procedures Connect a 400 series TEMP test cable to the TEMP connector of the Trio Monitor Connect the 400 series test cable to a calibrated Patient Simulator Set the simulator to output a temperature of 34 C Check that the displayed TEMP value on the Trio Monitor is 34 C 1 C Change the simulator to output a value of 40 C Check that the displayed TEMP value the Trio Monitor is 40 C 1 C IBP bh won Test Equipment e Patient Simulator Test Procedures 1 Use a pressure transducer cable to connect a calibrated Patient Simulator to the Trio Monitor 2 Set the IBP sensitivity of the simulator to 5uv v mmHg and the static IBP value to O mmHg Set the IBP label to ART Perform zero calibration for IBP Select the IBP PARAMETER menu to open the IBP SELECT menu From the IBP SELECT menu select IBP ZERO From the IBP ZERO menu select IBP ZERO After the zero calibration is successful return to the normal screen
48. nal 16 K high speed buffer SRAM The data bus of this chip is 16 bit width Key Test Points NO NAME FUNCTION V33 Digital supply voltage 3 3 V 2 V25 FPGA supply voltage 42 5 V 3 V3 Lithium battery voltage 3 V 4 CLK CPU master clock 54 MHz 5 PCK FPGA and display clock 38 MHz 6 NCK Network chip clock 25 MHz 7 RST System reset signal 8 NINT Network chip interrupt signal 9 DO Signal indicating successful FPGA configuration 0070 10 059 1 01 Trio Service Manual Theory of Operation Hardware Overview 1 2 4 1 2 4 1 Keypad Board P N 067 1 00 0237 CPU AT89C2051 Watchdog 4 amp 9 BUTTON button button and encoder scan circuit signal input ENCODER serial communication Main control board Alarm indicator d control circuit A Power Amplifier LM386 speaker Lowpass Sound Volume and Effect Control Bandpass Control ap Filter FIGURE 1 6 Keypad Block Diagram Detailed Description This circuit has three main parts 1 Alarm Audio Signal Circuit The alarm audio signal circuit is made up of components including U3 U6 R8 R25 ET R11 R12 R3 and R32 P3 3 is used to control the length of the alarm sound R8 El and E are used to generate the rise edge and the fall edge of the sound signal Q1 is used to make the rise edge and fall edge of the low level alarm slower than those of medium high level alarm D1 is used to generat
49. nal becomes the pulsating signal and is amplified The amplified signal is then converted into a digital signal by the A D converter 5 After processing this digital signal systolic pressure diastolic pressure and mean pressure can be obtained To avoid measurement errors choose appropriate cuffs for patient size The NIBP module also has an overpressure protection circuit to prevent the cuff from being inflated to a very high pressure The main operating modes of NIBP are A Adult Pediatric Select according to the patient size weight and age B Manual Measurement Manual measurement is also called single measurement It means the monitor only performs one measurement for each time the NIBP key is pressed C Interval Measurement Interval measurement means to perform one measurement within selected time cycle Time intervals can be set up as 1 2 3 4 5 10 15 and 30 minutes 1 2 and 4 hours OFF CONT Continuous If set to continuous the monitor will perform a measurement continuously for 5 minutes then revert to an interval setting of 5 min Continuous measurement is effective in monitoring changes in blood pressure SPO SpO Plethysmograph measurement is employed to determine the oxygen saturation of hemoglobin in the arterial blood If for example 97 hemoglobin molecules in the red blood cells of the arterial blood combine with oxygen then the blood has a SpO oxygen saturation of 97 The SpO numeric on
50. nd the message STOP PNEUM vwill appear in the selected tile The user may select this tile at any time to end the test MAIN TENANCE select to return to previous menu PREVIOUS MENU FIGURE 2 6 Maintenance Menu 3 The prompt Pneum testing will appear at the bottom of the NIBP parameter area indicating that the system has started performing the pneumatic test 4 The system will automatically inflate the pneumatic system to about 180 mmHg After approx 20 seconds the system will automatically deflate marking the completion of the test If no message appears at the bottom of the NIBP parameter area no air leaks exist IF the message PNEUMATIC LEAK appears at the bottom of the NIBP parameter area the NIBP module may have air leaks The user should first check for loose connections After confirming connections the user should repeat the pneumatic test If the PNEUMATIC LEAK message still appears please contact the manvfacturer for repair P N 0138 00 0001 03 TRIO MONITOR TEST CHAMBER FIGURE 2 7 Diagram of NIBP Air Leakage Test Trio Service Manual 0070 10 059 1 01 2 7 Calibration and System Checks Calibration Maintenance 2 4 2 2 ECG Cal 1 Set ECG lead to and ECG size to x1 2 From The MAINTENANCE menu select ECG CAL The message CALIBRATION MODE will appear in red at the lower left of the ECG waveform area The highlighted tile will now read STOP CAL The user moy select this til
51. ng NIBP The system cannot perform measurement analysis or calculation Problem occurs when measuring NIBP The system cannot perform measurement analysis or calculation NIBP cuff may be wrong size NIBP airway has leaks Problem occurs when measuring NIBP The system cannot perform measurement analysis or calculation Problem occurs when measuring NIBP The system cannot perform measurement analysis or calculation SOLUTION Re connect the NIBP cuff Check the connection of each part or replace cuff and hose If message does not clear contact Customer Service Check for occlusion in cuff and hose Measure again If message does not clear contact Customer Service Check the connection of the cuff and hose Check patient s condition Measure again if the failure persists contact the manufacturer for repair Check the connection of the cuff and hose Check patient s condition Measure again if the failure persists contact the manufacturer for repair Check if the patient size is set correctly Replace existing cuff with correct size cuff If the failure persists contact the manufacturer for repair Check the connection of cuff and hose or replace cuff and hose If the failure persists contact the manufacturer for repair Check the connection of the cuff and hose Check patient s condition Measure again if the failure persists contact the manufacturer for repair Check the connection of
52. nnect electrodes Remove any electrodes that are not used Use grounded power cord and outlet Select appropriate filter mode Replace ECG RESP module Use RALL R and F electrode connect correctly Keep patient calm Replace ECG RESP module Reconnect TEMP sensor Check ECG connections and reconnect Adjust or repair the airway Keep the patient calm Re wrap the cuff correctly and safely Use the appropriate size cuff Replace NIBP module Replace the sensor to confirm the failure Keep the patient calm Dim the ambient lighting Remove all dyes before performing measurement Disassembly Instructions 4 5 4 5 1 4 5 2 4 5 3 4 5 4 Repair Information Disassembly Instructions Before disassembling the unit perform the following e Power down the unit and remove the line cord e Remove all cable assemblies from the right side and rear of the unit e Remove any batteries that were installed e Perform all work on a properly grounded station CAUTION To ensure continued use of the Factory Defaults when the unit is powered off and on save the Factory Defaults as the User Default Configuration after reassembly Tools Needed e Phillips Screwdriver e Slotted Screwdriver e Awl or similar tool Removal of the Front Housing 1 Remove two 2 3 x 40 mm Phillips panhead screws at top right and left of rear housing 2 Remove two 2 3 x 5 mm Phillips flathead screws at front right and left of bo
53. nnection of LA lead wire XXrepresents all the parameter modules in the system such as ECG NIBP IBP module etc 0070 10 059 1 01 System Alarm Prompts Appendix PROBLEM MESSAGE ECG RA LEAD OFF ECG C LEAD OFF ECG F LEAD OFF ECG L LEAD OFF ECG R LEAD OFF SpO SENSOR OFF SpO INTERFERENCE SpO PULSE SEARCH SpO LOW PERFUSION SpO5 TOO MUCH LIGHT UNRECOGNIZED SENSOR SpO COMMUNICATION ERROR SpO BOARD FAULT SpO SENSOR FAULT TEMP SENSOR OFF IBP LEAD OFF ECG NOISE XX ALM LMT ERR REASON The RA lead wire of ECG is not connected correctly The C lead wire of ECG is not connected correctly The F lead wire of ECG is not connected correctly The L lead wire of ECG is not connected correctly The R lead wire of ECG is not connected correctly SpO sensor is not connected correctly Noise detected on the pulse signal prevents pulse discrimination Hardware settings are being adjusted in order to discriminate a pulse waveform Patient perfusion is low There is too much ambient room light for the sensor to function properly The sensor is not recognized by the monitor The monitor and the SpO modules are not communicating properly MasimoSET board failed to operate properly Defective Sensor TEMP sensor is not connected correctly IBP cable is not connected correctly Excessive interference appears on the ECG signals T
54. nput RightLeg Drive e ead off Detection The ECG circuit is responsible for processing the ECG signals of human body The circuit consists of following parts Input Circuit The ECG electrodes are connected into the circuit through the cable This circuit is mainly used to protect ECG input stage and filter the signals so as to remove the outside interference Buffer Amplifying Circuit Used to convert the impedance of ECG signals so as to ensure that the ECG has a very high input impedance but only low output impedance Right Leg Drive Circuit The middle output point of the buffer amplifying circuit is reversely amplified and then fed to the RL of the 5 lead ECG to maintain the human body in a equipotential state This method can reduce the interference and raise the common mode rejection ratio of the circuit Lead off Detection Based on the theory that the lead off may cause the output of the buffer amplifying circuit to change we can use the comparator to accurately determine if the lead has fallen off In this way the level can also be converted into TTL level for the MPU to test Main Amplifying Circuit A measurement amplifier consisting of three standard operation amplifiers Last Stage Processing Circuit Used mainly to couple ECG signals program control of the gain amplifier filter the waveform and move the level amplify the signal and send it to the analog to digital converter 1 4 2 Respiration Respiration is
55. ompletely removed from the rear housing Disconnect cable assemblies from connectors JP1 and JP3 of thermal printhead Recorder Removal of Display Mounting Plate Remove two 2 3 x 6 mm Phillips panhead screws at left and right of HV inverter PCB Gently lift display mounting plate up from chassis assembly so that locking tabs at top of mounting plate clear their slots Pull display mounting plate forward and away from chassis assembly Disconnect cable assemblies from P1 of CPU PCB display cable assembly and CN2 of HV inverter PCB Replacement of 3V Lithium Cell Battery With the display mounting plate removed the CPU PCB is accessible A 3volt Lithium cell battery is installed in the battery socket at the lower center of the CPU PCB Using a small flat blade screwdriver push the tab located at the 7 o clock position on the battery holder toward outer edge of battery socket The 3 volt lithium battery should pop out of holder Remove and discard battery With positive terminal facing up push new 3 volt Lithium battery into battery holder until tab locks battery in place Removal of Power Supply Assembly 2 3 4 Remove two 2 3 x 6 mm Phillips panhead screws at front left and front center of PCB chassis assembly Remove two 2 3 x 6 mm Phillips panhead screws lower left side rear and lower right side rear of PCB chassis assembly Remove cable assemblies from J2 J10 J4 J5 and J3 of Power Supply PCB
56. on to perform repairs to the instrument The most important prerequisites for effective troubleshooting are a thorough understanding of the instrument functions as well as an understanding of the theory of operation Trio Service Monitor 0070 10 059 1 01 Introduction Repair Information This page intentionally left blank 4 2 0070 10 059 1 01 Trio Service Monitor Repair Information POWER SUPPLY BOARD 0671 00 0235 Introduction CPU BOARD 0671 00 0236 or 0671 00 0056 POWER INPUT 250V 5A 0012 00 1478 1 ju AG 5V 5V FGND sive ESTE us AUNT KEYPAD 0671 00 0237 or 0671 00 0064 ER FAN 0119 00 0197 O EAN 0012 00 1500 0012 00 1488 ENCODER 0311 00 0133 1 xn KRXD 1 1 GND GND PE A a Vb ak jb ak KRX D RTXD One a BATTERY BD LEAD ACID 2085 mv 2 0x8 2 06 B B i 0012 00 1494 0012 00 1477 oun END 1 MD BV BV PCON PCON 1 12V V PB PB 3 96x3 BCON BCON PON P
57. ooooooooooooooooooo oo oo ooooooo oo ooooooooooooo oo oooooooooooo oo o 2 1 Calibration Inirodudli OM o ELE m E 2 Warming anda ME A 2 Test Equipment and Special Tools Required a eee ee oes t EE 2 Calibralion ana System wheats cern nenas am Ba munata kawa Qaqa ias 2 2 Device Appearance and Installation Check Sah ANE RL deae sia Nue 2 2 Maintenance MENU ERN O O 2 2 Se MIT ne aa 2 11 Tesino Edek parameter ie tuli ano Rene na onto ama lu LO ci 2 12 ECO Md RES TI 2 12 ps EDT pP 2 12 spp M 2 13 ji O H M ORC 2 14 Tr AEE ROT o 2 14 PITS 22 E Exploded Views Or The rio Monitor yuy u Neat uud op Ups Ns lcu m iE DUE MEME 3 1 Paris List gta Nana en an aa O a ask 3 12 Repair Informiadhiol kelainan a Bl To Tero Ere re ER RT CT T T E DH emen 4 1 Single Hemp able Assembly EE 4 10 ECC A ly aire sree eee EE D ML MAD LES naa M EM O dA t t maas 4 10 THOU eS HOON A O ui b cc A anna mmm UOS 4 11 I Aodoleleveliiroubleshoetinga suy u uuu A aan Man ma aa RA sbaeaes 4 11 Disassambly uspustionmo lt a 4 14 oc sl A p een Ree ee ee er ee eae eR ash ua spt ka 4 14
58. ower Supply Replace component or PCB Replace CPU PCB or Display to confirm failure Fan does not run Defective component or PCB Main control board failure or display failure No display after power on or black screen during operation however power indicator lights on and fan runs normally Characters are displayed normally however waveforms are displayed intermittently An operation or measurement function is disabled Device responds slowly Display Failures MESSAGE PROBLEM When powering on the device there is no display or display goes black during normal operation Data communication error between main control board and parameter module CPU PCB or corresponding parameter PCB damage Poor performance of power board Poor performance of main control board Poor connection of power supply or CPU PCB REASON HV inverter PCB damage Defective display cable Damage of CPU PCB Based on error prompt replace CPU PCB ribbon cable or parameter module to confirm failure Examine CPU PCB and corresponding parameter PCB Check power supply and grounding system Replace Power Supply board Replace CPU PCB Replace or repair connectors SOLUTION Connect external VGA display to confirm the Failure replace HV inverter PCB Repair or replace cable Replace CPU PCB Trio Service Manual 0070 10 059 1 01 Troubleshooting 4 12 Operation Recording MESSAGE PROBLEM Keys or Navi
59. re by selecting the IBP parameter menu then selecting IBP ZERO tile 4 From IBP ZERO menu select IBP ZERO tile to zero the blood pressure channel Connect a Sphygmomanometer or a digital Manometer w bulb to the Pressure Transducer via a T fitting d Close the 3 way Stopcock Manually pump the Manometer to a static value of 100 mmHg and close valve on bulb From the MAINTENANCE menu select IBP PRESSURE CAL From IBP PRESSURE CAL menu select the tile adjacent to CAL VALUE and set to 100 mmHg O 0 NO 2 4 0070 10 059 1 01 Trio Service Manual Calibration Maintenance Calibration and System Checks IBP PRESSURE CAL ww select to return to previous menu FIGURE 2 4 IBP Pressure Calibration Menu 10 Select CALIBRATE The monitor will perform the calibration and display one of the following calibration completion messages MESSAGE DESCRIPTION SUCCESSFUL CALIBRATE Indicates Blood Pressure was calibrated successfully No further action required SENSOR OFF FAIL Check that sensor is connected then proceed with calibration If message does not clear contact Customer Service IN DEMO FAIL Check that the monitor is not in DEMO mode If message does not clear contact Customer Service PRESSURE OVER RANGE FAIL Check that you have selected appropriate transducer value in IBP CAL then proceed with calibration If message does not clear contact Customer Service Trio Service Manual 0070 10 059 1 01 2
60. se the sensor inside the thermal head to detect the following signals the position of the chart paper if the chart paper is installed and if the temperature of the thermal head has exceeded the limit Key Test Points NO NAME LOCATION FUNCTION 12V JP3 1 Power input range 10 18 V GND JP3 2 Power and signal ground VPP U7 8 Power supply for heating thermal head and drive motor 7 8 V 8 4 V VCC U1 14 5 V supply 4 75 5 25 V 5 RESET U3 10 CPU reset signal At high level gt 2 4 V after power on Trio Service Manual 0070 10 059 1 01 T3 Serial Interface Converter Board Theory of Operation 1 3 Serial Interface Converter Board The Serial Interface Converter Board is used to convert the TTL level 5V to RS232 level Serial Coverter PI p PCB Serial interface PATFT DIGTAL P2 CRT P10 P3 FOR 9000 pio VGA P7 BDM PI1 Host P CR P17 FOR509C P15 P16 P6 P9 FIGURE 1 10 Serial Interface connection diagram TTL Level RS232 Level Tx Converter Board Rx RS232 G Converter SV chip DB9 Socket FIGURE 1 11 Block diagram of Serial Interface Converter Board 14 0070 10 059 1 01 Trio Service Manual Theory of Operation Parameter Circuit Descriptions 1 4 Parameter Circuit Descriptions 1 4 1 ECG The main functions concerning ECG are lead 3 lead 5 lead e ead Method Il Ill avR avL avF V CAL Floating I
61. select to return to previous menu PREU TOUS MENU NORMAL SCREEN FIGURE 2 9 Error Log Menu Factory This menu allows the unit to be preconfigured at the factory This menu is enabled with an access code 762718 and should only be accessed as necessary by Customer Service Personnel or by trained Bio medical technicians after replacing defective modules as a result of unit repair The Factory menu allows for configuration of Serial Port This menu allows the user to configure the DIAP baud rate of the serial output port The choices are 9600 bps or 19200 bps e language English Spanish French German Italian Chinese e Module Options ECG Resp SpO 1ch Temp 2ch Temp NIBP IBP Recorder Selections are enabled or disabled by checking or unchecking the box which corresponds to each item in the menu NOTE IBP and 2ch Temp should not be enabled simultaneously Not available for domestic units Trio Service Manual 0070 10 059 1 01 2 9 Calibration and System Checks Demo Calibration Maintenance FACTORY MAINTENANCE LANGUAGE US ENGLISH MODULE SETUP select to return to previous menu PREYIOUS MENU NORMAL SCREEN FIGURE 2 10 Factory Menu This menu allows the unit to operate in Demonstration Mode When the unit is operating in Demonstration mode the word DEMO will be displayed on the screen at all times This menu is enabled with an access code and should be used
62. the Trio Monitor to a calibrated NIBP simulator and an NIBP Dummy Cuff Test Chamber P N 0138 00 0001 03 via a T fitting 2 Select Adult mode for both the NIBP simulator and the Trio Monitor 3 Select a group of blood pressure values within the measurement range on the NIBP simulator such as Systolic 90 Mean 7O Diastolic 2 60 4 From the NIBP SETUP menu set INTERVAL to 1 min 5 Press the NIBP key on the front panel keypad 6 Allow the Trio Monitor to acquire NIBP readings for 10 minutes Check readings for consistency Reading should not deviate greater than 5 mmHg NOTE The actual measured values of Trio Monitor may not be consistent with those selected on the simulator This test is implemented only to confirm repeatability of dynamic NIBP readings Accuracy can only be confirmed by performing the NIBP CAL outlined in section 2 4 2 1 of this Manual 7 Change the NIBP simulator Systolic Mean and Diastolic settings and test again 2 5 3 1 Test Equipment e SpO simulator 2 5 3 2 Test Procedures Connect the appropriate SpO probe to the SpO connector of the Trio Monitor Connect the SpO probe to a calibrated SpO simulator From the ECG SETUP menu set SOURCE to SpO Set up the parameters of SpO simulator as following Peps SpO 98 PR 70 5 Check that the SpO and PR values displayed on the Trio Monitor are equal to the SpO simulator values 2 6 Change the SpO gt and PR values o
63. the monitor will read 97 The SpO numeric shows the percentage of hemoglobin molecules which have combined with oxygen molecules to form oxyhemoglobin The SpO Pleth parameter can also provide a pulse rate signal and a plethysmograph Arterial oxygen saturation is measured by a method called pulse oximetry is a continuous non invasive method based on the different absorption spectra of reduced hemoglobin and oxyhemoglobin It measures the amount of light that is transmitted through patient tissue such as a finger or an ear 0070 10 0591 01 Trio Service Manual Theory of Operation Parameter Circuit Descriptions 1 4 5 1 4 6 Trio Service Manual The sensor measurement wavelengths are nominally 660 nm for the Red LED and 940 nm for the Infrared LED Maximum optical power output for LED is 4 mW The amount of light transmitted depends on many factors most of which are constant However one of these factors arterial blood flow varies with time because it is pulsating By measuring the light absorption during a pulsation it is possible to derive the oxygen saturation of the arterial blood Detecting the pulsation gives a pleth waveform and pulse rate signal The SpO value and the pleth waveform can be displayed on the main screen Temperature The temperature circuit can amplify and filter the input signal of the temperature probe and then output it into the A D sampling circuit on the ECG RESP board This circ
64. the screen and push the knob to select the SYSTEM MENU From the SYSTEM MENU select MAINTENANCE MAINTENANCE Select ta return to previous Menu FIGURE 2 1 Maintenance Menu DIAP units S N MC15000 XX and above 0070 10 059 1 01 Trio Service Manual Calibration Maintenance 2 4 2 1 Trio Service Manual Calibration and System Checks MAINTENANCE select to return to previous menu FIGURE 2 2 Maintenance Menu below S N MC15000 XX Calibrations Calibrations should be performed at least once a year Calibrations should also be performed after any preventive maintenance or repair of the Trio Monitor From the MAINTENANCE menu make the following selections to perform each specific calibration or check 0070 10 059 1 01 2 Calibration and System Checks Calibration Maintenance IBP Pressure Cal The purpose of this calibration is to ensure that the system gives you accurate measurements Pressure Transducer a T 3 Way Stopcock Pressure Transducer 3 Way Interface Cable D Connector Ux in A _ to IBP connector of A 2 Trio monitor Manometer FIGURE 2 3 IBP Calibration WARNING Never perform this procedure while patient is being monitored 1 Connect a Pressure Transducer Interface Cable from a Pressure Transducer Figure 2 3 to the IBP socket on the right side panel of the Trio 2 Open 3 Way Stopcock to atmosphere 3 Perform zeroing procedu
65. ttom housing 3 Carefully pull Front Housing Assembly forward and remove from rear housing 4 Disconnect cable assemblies from connectors P3 speaker cable assembly and P4 CPU PCB to Keypad PCB cable assembly of Keypad PCB Removal of Display 1 With Front Housing Assembly removed place monitor face up on a flat surface 2 Remove four 4 2 5 x 6 mm Phillips panhead self tapping screws at corners of the 8 4 TFT display 3 Carefully lift display from mounting bracket 4 Disconnect cable assembly from CN2 on the HV inverter PCB and ribbon cable at upper left of display Removal of Thermal Printhead Recorder 1 Open recorder door and remove paper roll if installed 2 Remove two 2 3 x 6 mm Phillips panhead screws from rear of recorder paper compartment 3 Insert flat blade of screwdriver into tab slots at center right and center left of recorder paper compartment 4 Gently move tabs in toward center of paper compartment while pushing recorder out from rear housing of unit 0070 10 0591 01 Trio Service Manual Repair Information 4 5 5 4 5 6 4 5 7 4 5 8 4 5 9 Trio Service Manual Disassembly Instructions Removal of PCB Chassis Assembly Remove four 4 3 x 6 mm Phillips panhead screws from rear housing Remove two 2 4 x 10 mm Phillips panhead screws from bottom of rear housing Carefully pull entire PCB chassis assembly along with right side parameter panel forward until it is c
66. uit consists of sampling switching constant current supply signal amplifier filter and probe detector The output signal of the circuit has clamping protection to ensure that the output voltage is less than VCC The circuit also has a self calibrating function IBP optional Invasive Blood Pressure monitors arterial pressure central venous pressure and pulmonary arterial pressure IBP may be measured by inserting the catheter into the appropriate blood vessel The end of the catheter located outside the human body should connect directly to the pressure transducer Inject normal saline into the catheter Since the liquid can transfer pressure the pressure inside the blood vessel can be transferred to the outside pressure transducer In this way we can obtain the waveform of the dynamic pressure inside the vessel Systolic diastolic and mean pressures are calculated by using an algorithm 0070 10 059 1 01 1 17 Parameter Circuit Descriptions Theory of Operation This page intentionally left blank 1 18 0070 10 059 1 01 Trio Service Manual 2 0 2 1 2 2 2 3 Trio Service Manual Calibration Maintenance Calibration Introduction The following procedures are provided to verify the proper operation of the Trio Monitor A menu driven interface is used to execute all verification tests Warnings and Guidelines In the event that the instrument cover is removed observe these following warnings an

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