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MAC™ 1200/MAC™ 1200 ST

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2. BI AS 0 BT BS 39 OET AS 54 OET BS 114 A SIDE 0 x XXXX XX XXX XXX o D000000000O XXXXXXXXXX 0000000000 0 O 0 0 O 0 0 O O o o 9 EE 91541690 D1 R5 gm 98 p L3 FO SLs m alr e O DATT NA 5 e T2 a Eolo lei glued m NO q D SSC geklebt T3 us RB o ae T5 m R10 RQ 9 R22 zi 6 R12 co 5 15 4 amp E Ob L4 L6 o P R19 N 9000000000 FE Nap e o ik 8000000000 Uri 0 BATT LOAD 1 ED 45567267 CABLE ASSY 38327394 gt WAVE Marquette Hel lige GmbH 0 79007 Freiburg 58805290 D02 Si REVISIONS A04 i Hey WYD O AES Revision No Index Date Name 43367267 REF DWG A AAA A 03 08 98 MSG Date Name SE B 29 09 98 HAW D 17 04 98 MNS coded from bottom sid 062920 C 26 01 00 MSG Approved 7 04 98 MSG A ku Ladung Ces E codiert auf Unterseite 065708 D 50 10 00 M56 Iu Revision A MAC 1200 resting ECG analysis system 10 27 2012250 095 World Headguarters GE Medical Systems Information Tech
3. WEDICAL SYSTEMS pees __ INFORMATON TEOYNOLOGIES Er DATE a RD AH inae s LL a cuan Eam Revision A MAC 1200 resting ECG analysis system 10 15 2012250 095 Drawings Schematic PN 2033914 033 Sheet 11 Schematic PN 2033914 033 Sheet 11 CLOCK GENERATOR MEDICAL SY L INFORMATION TECHNOLOGIES Revision A MAC 1200 resting ECG analysis system 10 16 2012250 095 Drawings Scherratic PN 2033914 033 Sheet 12 Schematic PN 2033914 033 Sheet 12 20V SWITCHING REGULATOR 23V GENERATION Revision A MAC 1200 resting ECG analysis system 10 17 2012250 095 Drawings Schematic PN 2033914 033 Sheet 13 Schematic PN 2033914 033 Sheet 13 DISPLAY DRIVER BACKLIGHT INTERFACE INVERTER BACKLIGHT GE MEDICA Y We _ INFORMATION TECHNOLOGIES APPROVALS DATE haidd LaL Bu gies Po rmt Pesch SE Revision A MAC 1200 resting ECG analysis system 10 18 2012250 095 Drawings Schematic PN 2033914 033 Sheet 14 Schematic PN 2033914 033 Sheet 14 k A 6884 OS ht L als DS al ig m eid Me t w gt i MIT b elt Aki SIE
4. Chassis 504 660 52 Netzteil Power Supply 930 118 58 E o 2 303 442 71 930 116 87 Druckbalken Press Strip 504 657 26 Motor 303 447 46 2008125 001 Thermokamm 216 mm Thermal Array Printhead 216mm Faal Lpl Kammverbindung roii PCB Printhead Connection Motor 303 441 76 Display 2007355 001 9 PCB Modem Supply CS M 2000771 001 in 101 168 23 24 33 o P 3le o 9 Drahtsatz Wire Sef 2001795 001 sw in 101 168 23 24 33 ws 2 10 E MOTOR 388 029 10 15 Markenleser 303 438 29 Mark Reader in 101 168 3 ru an TPC_DAT Lot E Lr oder or Sensor opt 2001495 001 in 101 168 23 24 33 Lpl Pumpe PCB Pump 388 03125 in 101 168 02 06 08 10 HOS BL m Dech 1 1 ceca MO_SU o 0 nhalter Holder 1o I 915 414 86 91541621 915 414 82 Markenleser 303 438 29 Mark Reader y MRI Y MARK2 MARK TPC_PO MR2 303 442 91
5. 3 12 MAC 1200 resting ECG analysis system Revision A 2012250 095 System Test Function Time and Date Time and Date Follow these instructions for checking and setting the time and date Pressing the 7 key calls up the following display Table 7 Time and Date Time hh mm 18 25 29 Date dd mm yyyy 03 03 2003 End To set time or date select the corresponding time or date field by pressing the return key A cursor is not displayed while numbers are entered Revision A MAC 1200 resting ECG analysis system 2012250 095 3 13 System Test Function Electrode Test Electrode Test The electrode test is started by pressing the 8 key The following menu is displayed Table 8 Electrode Test Electrode Test Terminate with any key Select pace electrode key P Pace electrode LA Cable 10 electrodes or no cable The status of each electrode is displayed Electrode OK or disconnected is displayed as follows Status 0 gt Electrode OK Status 1 gt Electrode disconnected With the P key the pace electrode can be selected The selected pace electrode is displayed The status cable indicates if a cable is connected to the patient ECG input or not 3 14 MAC 1200 resting ECG analysis system Revision A 2012250 095 System Test Function Time Constant Baseline Roll Filter Time Constant Baseline Roll Filter Beginning
6. eli me D er m e D eH o ek gt ers m eH e DH gt 1 t D E WEDI Al STEMS EA Der om 1 Revision A MAC 1200 resting ECG analysis system 10 19 2012250 095 Drawings Schematic PN 2033914 033 Sheet 15 Schematic PN 2033914 033 Sheet 15 MEDICA Y EMS INFORMATION TECHNOLOGIES Revision A MAC 1200 resting ECG analysis system 10 20 2012250 095 Drawings Schematic PN 2033914 033 Sheet 16 Schematic PN 2033914 033 Sheet 16 VEDIC A Y EMS INFORMATION TECHNOLOGIES Revision A MAC 1200 resting ECG analysis system 10 21 2012250 095 Schematic PN 2033914 033 Sheet 17 Revision A ddd dd aise pi ON 5 DIE Ce LTES aw CO BAR Le A P len ml AE e Gr t Re t le e F E in 6 fg u cre 1 me D 4 TT lwc m ERT 1 DE en 1 DE IEA L Do e lo ve xc rm 1 tun y g Aj FE 4 a DCH Sn n He A EG a Ee Bal gt L T wth yl Hr dI 4 l n O je 014 1 nH H Drawings Scherratic PN 2033914 033 Sheet 17 ee ey PEC ear 4 am a 12113
7. Mein Modem Supply Internal ECG RAM Boot Loader RAM Buffered RS232 RS232 Configuration Driver Interface Memory l __ Keypad Keypad Interface 2 Display ECG Interface LCD Graphics Display ECG Acquisition Display 1 4 VGA Monochrome d Controller Suppl Input gt an gt pp y Conditioning Core LJ See Motor Real Time om Clock Thermal Buffered Pinhead Thermal Printhead Control Logic Supply Printing Unit 5 V 3 3 V Analog Device Pump Interface Option Pump Supply On Off not in US Not in US Device Printhead Control Device Suppl pen PCB Control SC_CI A A Line Line Power Power Input with NC Battery Input Fuse Switching Power Ge Supply 426 5V gt Charge Line Power NC Battery MAC 1200 resting ECG analysis system Revision A 2012250 095 The Basics Mechanical Components Mechanical Components The main mechanical components comprise the upper and lower shell of the MAC 1200 resting ECG analysis system The lower shell serves as a basic unit to receive the following assemblies m Line power input module with fuse Switching power supply NC Battery PCB NC Battery Charge PCB Control CS_CI Graphics display Thermal printing unit Paper container The upper shell accommodates the keypad which is connected to the PCB Control CS_CI via a 26 pin connector The MAC 1200 resting ECG analysis system can be opened by releasing 5 screws at the bottom of the lower shell
8. Pumpenmodul Pump Modul Lpl Steuerung Cl PCB Control Cl 388 032 67 in 101 168 21 38 Lpl Steuerung C PCB Control C 388 032 68 in 101 168 01 02 05 11 15 17 19 Code RS232_E 0 1111211111 BATT LOAD RS232 m n 3 Let ru oder or Sensor opt 2001495 001 9 2 MOTOR 388 032 67 up to Rev H 388 032 68 up to Rev G MOTOR 388 032 67 from Rev 388 032 68 from Rev H MAC 1100 1200 4 MAC 1200 ST Tastatur Keyboard 390 002 00 INT1 in 101 168 01 02 11 21 22 390 002 01 INT2 in 101 168 05 06 09 10 15 19 25 26 29 30 390 002 02 usa in 101168 23 24 390 002 03 RUS in 101 168 07 08 17 27 28 r 2005766 001 INT1 in 101 168 31 35 2005767 001 INT2 in 101 168 32 36 2005768 001 usa in 101 168 33 2005769 001 JPN in 101 168 34 2006714 001 RUS in 101 168 37 38 Lpl Akku Ladung PCB Battery Load 388 032 90 in 101 168 01 02 05 10 21 38 sw rt Batterie Battery 303 442 70 in 101 168 01 02 05 10 21 38 gt Akku 18V 1 4Ah 929 166 37 Hierzu also see Drahtsatz wire set 383 273
9. Tt is recommended that a technical inspection preventative maintenance check is performed once a year The following checks tests are to be performed m Check device and accessories for mechanical defects which impair their function Perform a function check as detailed in Chapter 3 System Test Function m Ensure that labels and inscriptions on the device relating to safety are clearly legible m Measure the Protective Earth Resistance see Protective Earth Resistance Test on page 7 8 m Measure the enclosure leakage current see Enclosure Leakage Current Test on page 7 9 m Measure the patient leakage current see Patient Leakage Current Test on page 7 9 WARNING The following checks may only be performed by persons whose training knowledge and practical experience enable them to carry out such checks reliably and correctly The operational and functional reliability of the device is checked using the information in this chapter which serves the experienced technician when checking the device A knowledge of device operation as detailed in the Operator s Manual is assumed The checks and tests are based on the testing instruments given in this section The tests should be carried out using the customer s accessories so that defective accessories are also detected automatically If other testing instruments are used besides those mentioned the items on the checklist and t
10. and Disinfection Maintenance Cleaning and Disinfection MAC 1200 resting ECG analysis system maintenance cleaning disinfection is performed in accordance with the Cleaning Disinfection and Maintenance chapter of the operator manual for the MAC 1200 resting ECG analysis system Applications requiring extensive recordings may result in deposits on the thermal array printhead which normally do not have any adverse effect on the printing quality This can be removed with a soft lint free cloth soaked in an alcohol based cleaning agent e g surgical spirit Revision A MAC 1200 resting ECG analysis system 7 11 2012250 095 Service and Maintenance Maintenance Cleaning and Disinfection For your notes 7 12 MAC 1200 resting ECG analysis system Revision A 2012250 095 8 P arts List Revision A MAC 1200 resting ECG analysis system 2012250 095 8 1 For your notes 8 2 MAC 1200 resting ECG analysis system 2012250 095 Revision A Parts List Introduction Introduction The field replaceable units listed in this chapter cover two versions of the product m MAC 1200 with the 002 board m MAC 1200 with the 003 board Most of the FRUs listed in this chapter apply to both versions of the product Any FRUs that are specific to one of these product configurations have appropriate notes added to the Description Revision A MAC 1200 resting ECG analysis s
11. opening the paper flap and lifting up the upper shell a little bit to remove the keypad cable from the PCB Control CS_CI The upper shell then can be removed completely To replace the NC Battery the battery flap at the bottom of the lower shell must first be unlocked with a screw driver before it can be removed The 15 pin input connector to connect the patient cable and the 9 pin connector for the RS 232 interface are located directly on the PCB Control CS_CI MAC 1200 resting ECG analysis system Revision A 2012250 095 2 Functional Description evision MAC 1200 resting ECG analysis system 2012250 095 For your notes 2 2 MAC 1200 resting ECG analysis system 2012250 095 Revision A Functional Description Basic Information Basic Information The block circuit diagram of the entire instrument in Chapter 1 Block Circuit Diagram of Entire Instrument and the functional blocks of circuit diagram sheets P plans describe the individual functional blocks Revision A MAC 1200 resting ECG analysis system 2012250 095 2 3 Functional Description Switching P ower Supply Switching Power Supply The switching power supply generates the fundamental device voltage for the PCB Control CS_CI and for the PCB NC Battery Charge It has the following input specifications Input voltage range 85 264 Vac Line freguency range 47 65 Hz The output voltage is 26 5 Vdc the max
12. 6 BATT LOAD T BATT LOAD 8 BATT_LOAD 9 BATT_LOAD 10 BATT_LOAD 11 BATT_LOAD 12 BATT_LOAD 13 BATT_LOAD 14 BATT LOAD 15 3 e BATT_LOAD 16 BATT_LOAD 17 Ae DATT LOAD 18 BALLZORT BATT_LOAD 19 j e BATT_LOAD 20 He 24VBAT 24VBAT 24V 68u T RT RS E 1K62 IKSZ cilov 5 BC847B ER alc L ME ZC LU 6 T2 Code V e oe 8 ES IRFR9024 GND24V 4 ta 6 ND ES f 43n SS KB E L2 a E 681R 10K Lf BC8578 2 aan R20 e R19 aye T3 ay Kach GNOBAT E e ES ne yellou diffuse GNOBAT D2 D 5 EES S 1 15 BYM12 150 a LED1 je MH OM 14 476 E u i s REF DRV o Ar 1 E L CL s MAXTISCSE e r Tk 43n US THI BATT CT 4 8 al
13. Interfaces BATT Pin Number Signal Input Output Function Definition 1 24V Output Supply battery charging 2 24V Output Supply battery charging 3 24V Output Supply battery charging 4 Code Coding Pin 5 NC 6 GND24V Common Ground 7 GND24V From power supply 8 GND24V After ferrite decoupling 9 GND24V 10 UBATT Input Battery voltage 11 UBATT Input Battery voltage 12 UBATT Input Battery voltage 13 UBATT Input Battery voltage 14 UBATT ME Input Battery measuring output 15 Code Coding Pin 16 1 Output 5 V supply 17 NC 18 BATT OPT Input Status option battery 0 Option active 19 LOAD_OFF Output Charging reduction 1 Reduced charging 20 NC Interface to the LCD Graphics Display The interface to the LCD graphics display provides the LCD data signals the display supply voltages 5 V and VEE the display contrast voltage VO and the display on off control signal Connector denotation HOS Type Foil connector 14 pin zero power insertion 180 The LCD supply voltage VEE can be measured at R 731 on the PCB Control CS_CI the LCD contrast voltage can be measured at R 730 Both levels of these voltages depend on the contrast selected The voltage supply for the CCFL tube of the display is provided separately via the connector BL CAUTION Do not touch High AC voltage Revision A MAC 1200 resting ECG analysis system 2 19 2012250 095 Funct
14. Manua Portuguese 2012250 023 MAC 1200 resting ECG analysis system Service Manual English international and USA 002 board only 2012250 095 MAC 1200 resting ECG analysis system Service Manual English international and USA 003 board only Table 4 Housing Parts Product Number Description 43252578 Undercase shell 92401714 Rubber foot 43252198 Battery cover Revision A 2012250 095 MAC 1200 resting ECG analysis system 8 5 Parts List Field Replaceable Units FRUs Table 5 Upper Case for MAC 1200 Part Number Description 2000074 001 Upper case with keypad and filter pane RUSS 2000075 001 Upper case with keypad and filter pane Int 2000076 001 Upper case with keypad and filter pane USA 2000077 001 Upper case with keypad and filter pane Europe 2 Table 6 Upper Case for MAC 1200 ST Part Number Description 2006893 001 Upper case with keypad and filter pane INT 1 2006894 001 Upper case with keypad and filter pane INT 2 2006895 001 Upper case with keypad and filter pane USA 2006896 001 Upper case with keypad and filter pane J APAN 2006897 001 Upper case with keypad and filter pane RUS 2000088 001 Filter pane complete with glue frame 43252554 Sign GE Medical Systems Information Technologies Hellige 43252555 Sign GE Medical Systems Information Technologies 43252560 Instrument Label MAC 1200 43252561 Instrument Label MAC
15. Number Description 200 5766 001 Keypad MAC1200ST International 200 5767 001 Keypad MAC1200ST Europe2 200 5768 001 Keypad MAC1200ST USA 200 5769 001 Keypad MAC1200ST J apan Table 10 MAC 1200 PWAs version 003 board Part Number 2018357 003 Description Non Chinese MAC1200 003 PWA with v6 2 loaded NOTE The following parts are no longer used on MAC1200 s shipping with the 003 PWA 2000771 001 PCB MODEM SUPPLY CS M 2001795 001 ASSY WIRE MODEM SUPPLY MAC1200 2013503 003 Chinese MAC 1200 003 PWA with v6 2 loaded NOTE The following parts are no longer used on MAC1200 s shipping with the 003 PWA 2000771 001 PCB MODEM SUPPLY CS M 2001795 001 ASSY WIRE MODEM SUPPLY MAC1200 1 The 003 PWAS will only function with v6 2 software or higher Table 11 MAC 1200 PWAs version 002 board Part Number Description 2000072 002 Spare PCB Control with remote start for MAC 1200 NOTE 002 board only Backward compatible with all versions prior to v6 2 Not compatible with v6 2 or higher 2000072 002 1 Exchange PCB 002 board Backward compatible with all versions prior to v6 2 Not compatible with v6 2 or higher 2000771 001 PCB Modem Supply CS_M US only 002 board only 2000073 002 Exchange PCB Control with remote start for MAC 1200 NOTE Backward compatible for all versions prior to v6 2 Not compatible with v6 2
16. Revision A MAC 1200 resting ECG analysis system 10 10 2012250 095 Drawings Schematic PN 2033914 033 Sheet 6 Schematic PN 2033914 033 Sheet 6 Revision A HEEN Sr Hu 114444444 E D 4445444007 inneres a WEDICAL SYSTEMS INFORMATION TECHNOLOGIES Mot Used Sam Pat ROS Ram Fw MAC 1200 resting ECG analysis system 2012250 095 10 11 Drawings Schematic PN 2033914 033 Sheet 7 Schematic PN 2033914 033 Sheet 7 TI mr rb E MEDICAL SYSTEMS ia INFORMATION TECHNOLOGIES en Er DATE ECH EH E e ees Revision A MAC 1200 resting ECG analysis system 10 12 2012250 095 Schematic PN 2033914 033 Sheet 8 Revision A Drawings Schematic PN 2033914 033 Sheet 8 MAC 1200 resting ECG analysis system 2012250 095 Ex or INFORMATION TECHNOLOGIES WEDICAL SY Ws emos oer res eee e er emeng Pre 2033914 033 EA 10 13 Drawings Schematic PN 2033914 033 Sheet 9 Schematic PN 2033914 033 Sheet 9 Revision A MAC 1200 resting ECG analysis system 10 14 2012250 095 Drawings Schematic PN 2033914 033 Sheet 10 Schematic PN 2033914 033 Sheet 10
17. The PCB Battery Charge has one soldered fuse SI 1 Battery fuse 5 No adjustments on the PCB Battery Charge are necessary Revision A MAC 1200 resting ECG analysis system 4 7 2012250 095 Repair Instructions Replacing Components Replacing the PCB Control Before replacing the PCB if still possible print out the settings configured by the user and check the options enabled 1 2 10 11 12 13 14 15 16 Replacing the Motor Open the device Disconnect the plug in connector POSUP to the power supply unit and the connector BATT_IN from the PCB battery charge While the connectors are disconnected ensure that the connector BATT_IN makes no contact with the coated shell Disconnect the remaining connectors to the recording unit Undo the 6 PCBs fastening screws Check whether the connection LOET2 of the lithium battery for the real time clock BA1 is correctly soldered Also check whether the connection LOET1 of the backlight inverter is soldered correctly Insert new PCB fix the fastening screws and plug in connectors Connect keypad in the upper shell to connector KEYB Close connector on PCB control Set the upper shell on to the lower shell Tighten the 5 fastening screws Contact your local service representative to download the software Enter the device serial number If required enter the option codes as described in the operator s manual Adjust the display contras
18. analysis system 3 9 2012250 095 System Test Function Recording Test Recording Test The recording test is activated by pressing the 5 key A window with 2 channels is displayed Table 5 Motor Speed Test Key Test Performed Speed Selects the speed Start Stop Starts and stops a real time 2 channel recording The selected speed and sensitivity are displayed Terminate with any key 3 10 MAC 1200 resting ECG analysis system 2012250 095 Revision A System Test Function V24 Tests V24 Tests Several possibilities are available to test the serial interface Signal transmission and receiving of the interface can be tested by an internal feedback from TXD and RXD Signal transmission and receiving can also be tested with a remote station For the test with a remote station the connection cable from MAC 1200 resting ECG analysis system to PC PN 223 362 03 is reguired In addition the following transmission protocol should be adjusted at the remote station m start bit 8 data bits no parity m stop bit m Baud rate 19200 Pressing the 6 key calls up the following menu Table 6 Interface Test Key Test Performed 1 Sending and receiving 2 Send test string to device 3 Send Receive with device A Abort terminate interface test Sending and Receiving 1 This test enables complete testing of the RS232 signal path for transmitting and receiving includ
19. ecUriby o s tee M ede bl yd MR cta ita 3 23 4 Repair Instructions 1 Safety Instructions Pad n rn dac e P a nt A GR n a Pr a 3 Replacing Components 4 Opening the 00106 a ANER et GERE NEE a an 4 5 Troubleshooting ENEE Del Basic Information VAN Y a Rake T Ha 5 3 6 Adjustment Instructions 1 Basic Information iY a 6 3 Service and Maintenance oen e n e n nn 1 Technical Inspections Preventative Maintenance rro 7 3 deel Check uns ner SY d Hane is CR 1 4 TestF nctioris see DW yd etr been ew fin 7 4 Safety Analysis Tests E Satna Hp D Y Pease 7 8 Maintenance Cleaning and Disinfection 9 ra uad 7 11 8 Parts Llst io del we i YH dd rr nera 83 Field Replaceable Units 7 8 4 High Level Assemblies 8 4 Revision A MAC 1200 resting ECG analysis system iii 2012250 095 9 10 Specifications are Basic Information nennen nnn 9 3 Recon o aa acte olet d dci s eode ns 9 3 Printer Pa ti emen tp rn et tonto YRFA FC 9 3 Paper Transport 2 ot enr CE eget PO Rea e be rae ces 9 4 gt 9 4 Display set se tte tee L de SA Fed eh eyn CF Y weakens E nd 9 4 Indicators EDS c id tre ew en CU CAD RW GY RAI Sy her 9 4 AULOMALICIEUNCHONS hai stad atten 9 4 Detection of Pacer Pulses 9 5 Heart Rate Indication 7 9 5 Signal Input Recte se e M
20. on recorder model with AC filter switched on gt 140 dB Revision A MAC 1200 resting ECG analysis system 9 7 2012250 095 Specifications Basic Information ECG Calibration Automatic recording of a defined voltage step valid for all channels m Calibration voltage referred to ECG signal input 1 mV Calibration pulse width on recording depends on paper speed 25 mm s 5mm 50 mm s 10 mm 5 mm s 1mm Automatic ECG Gain Adjustment The gain automatically adapts to the incoming signal The maximum amplitude of the lead group or of all leads determines the gain setting m Automatic adjustment range 5 to 40 mm mV m Amplitude range 6 channels 18 to 81 mm Baseline Automatic adjustment of the baseline to the optimal recording range in dependence of the signal amplitude Anti Drift System ADS Cubic Spline Automatic compensation of baseline fluctuations caused by polarization voltage fluctuations at the lead electrodes delay in recording 4 2 seconds ECG Storage In 12 Lead Mode storage of up to 40 ECGs m Stored ECGs can be deleted individually or all in one pass printed transferred and patient data can be edited m When memory is full user is informed of the possible actions 9 8 MAC 1200 resting ECG analysis system Revision A 2012250 095 Specifications Basic Information Blocking Electrode Monitoring Text Input Copy Function Test Power Supply Rapid charge rev
21. 0 8 Schematic PN 2033914 033 Sheet 4 9 99 RR FR n n nn nnn 10 9 Schematic PN 2033914 033 Sheet5 seen nn nnn 10 10 Schematic PN 2033914 033 Sheet 6 sn n nn nn nnn 10 11 Schematic PN 2033914 033 Sheet 7 sen n nn nn nnn 10 12 Schematic PN 2033914 033 Sheet 8 en nn nn nnn 10 13 Schematic PN 2033914 033 Sheet 9 isse nn nn nnn 10 14 Schematic PN 2033914 033 Sheet 10 4 1000 10 15 Schematic PN 2033914 033 Sheet 11 11 00 00 10 16 Schematic PN 2033914 033 Sheet 12 oen nn nn nn nnn 10 17 Schematic PN 2033914 033 Sheet 13 n n nn nn nnn 10 18 Schematic PN 2033914 033 Sheet 14 4 10 00 10 19 Schematic PN 2033914 033 Sheet 15 seen nn nn nnn 10 20 Schematic PN 2033914 033 Sheet 16 10 21 Schematic PN 2033914 033 Sheet 17 oen n nn nnn 10 22 Schematic PN 2033914 033 Sheet 18 4 10 00 10 23 Schematic PN 2033914 033 Sheet 19 4 1 00 10 24 Schematic PN 2033914 033 Sheet 20 nnn nn nnn 10 25 PCB Battery Charge 65 CSI PN 388 032 90 Sheet 1 ses 10 26 PCB Battery Charge 65 CSI PN 388 032 90 56662 esse 10 27 Revision A MAC 1200 resting ECG analysis system V 2012250 095 For your notes vi MAC 1200 resting ECG analysis system 2012250 095 Revision A 1 The Basics Revision A MAC 1200 resting ECG analysis system 2012250 095 1 1 For your notes 1 2 MAC 1200 resting ECG analysis system Re
22. 00 resting ECG analysis system 2012250 095 Basic Information The following drawings are in this chapter Drawing Number Description 101 168 01 38 High Level Assembly Drawing 2033914 027 PCB Assembly Drawing 2033914 033 Schematic 20 pages 2018357 003 PCB Control CS CI 388 032 90 P sheet 1 388 032 90 R sheet 1 PCB Battery Charge CS CI 388 032 90 PCB Battery Charge 65 CSI NOTE See MAC 1200 Service Manual PN 2012250 023 for drawings that apply to the MAC 1200 with the 002 PWA board 10 2 MAC 1200 resting ECG analysis system 2012250 095 Revision A Drawings High Level Assembly PN 101 168 01 38 Sheet 1 High Level Assembly PN 101 169 01 38 Sheet 1 Not reguired with 003 board
23. 00 resting ECG analysis system 3 7 2012250 095 System Test Function Test Results Test Results Pressing the 4 key triggers the output of the test results The output of the test protocol supplies the following information Time and date Device serial number Device model Software release ECG time constant Battery voltage Test results Memory used ROM RAM Base address Size Following output the initial display menu reappears automatically The identification of the Hardware Version is given by the item Remote Control yes no No indicates Hardware Version V 1 0 no remote control yes indicates Hardware Version V1 1 or V1 2 3 8 MAC 1200 resting ECG analysis system Revision A 2012250 095 System Test Function Self Test Self Test Error Codes The test results outlined in Test Results on page 3 8 are gathered during the self test which is always performed on power up if errors are detected a message appears on the display after the test indicating the possible errors The following error codes are used to identify the error The following error codes appear on the display together with the message Self test failed ERROR_CODES 0 Reserved 1 VEKT error in vector table 2 DRAM DRAM error 3 SRAM SRAM error 4 Reserved 5 Reserved 6 Reserved 7 Reserved 8 ROMB ROM error checksum in the FLASH 9 Not used 10 Not used Revision A MAC 1200 resting ECG
24. 033 Sheet 1 i5 Bi von UL UN UN NOTWDUNFED SORT U FACE Lauri ESOS AMO Uti POG ID DROE BINARE ANG IS WNO C25 WC 3 v H 1 CTRL LK niraot 055 056 89012 Pat 2 vss MAC 1200 resting ECG analysis system 2012250 095 10 6 Drawings Schematic PN 2033914 033 Sheet 2 Schematic PN 2033914 033 Sheet 2 4 zis S ix 23 p 31 WA Revision A MAC 1200 resting ECG analysis system 10 7 2012250 095 Schematic PN 2033914 033 Sheet 3 Drawings Schematic PN 2033914 033 Sheet 3 Revision A MAC 1200 resting ECG analysis system 2012250 095 10 8 Drawings Schematic PN 2033914 033 Sheet 4 Schematic PN 2033914 033 Sheet 4 Revision A ON OFF CONTROL NTERF ACE BATTERY OPTION PUMP VEDIC A Y EMS INFORMATION TECHNOLOGIES MAC 1200 resting ECG analysis system 2012250 095 10 9 Drawings Schematic PN 2033914 033 Sheet 5 Schematic PN 2033914 033 Sheet 5 5V SWITCHING REGULATOR 3 3V SWITCHING REGULATOR 12V GENERATION 43 3V STANDBY SUPPLY
25. 1 in Geh usemitte aufgeklebt Sed he ial of the casing 432 522 34 maize e set a 432 525 66 d mm 432 525 53 432 522 12 d Ex Won n P d 4 32 525 61 EE ib y mi Scope 0 n Gehdvseuntertl geklebt 4 432526 1 E d glued with Sicomet 50 on casing base 929 166 5 432 525 64 in 029608 8 22262030353458 0 Pa SORTE EM 416 118 49 in Gehlusenbersch e M 6 2 ad px e gt Y e cawg opor se 388 029 10 p 419 118 48 3 927 230 26 4 A Au Unterseite geriet N See amp el e ei _ 416 118 22 H J WEA 416 118 19 zx 80 EE f 925 096 31 2 Fr in 02 06 08 10 22 26 28 30 35 36 38 li We N 416 118 18 er 4291 T 43252192 2 504 657 25 432 522 10 923 096 84 388 032 67 nzi 432 52191 osea 388 031 25 ond MIELE 432 525 59 bc roo nonas nus 390 002 00 ien sez UE 383 273 27 388 032 68 vue mens Ke 432 525 60 mac 001 0 21 3034 390 002 01 interz 0506091055 1925262920 923 096 65 WN 432 525 61 mac 1200 ST in 31 3235 38 390 002 02 usa nn Mad TT 390 002 03 russ enee amen 2005766 001 int istas 432 52199 43252211 0923096 61 432 525 78 432 52198 42320327 2005767 001 im n3236 m LEE nn 32a 36 120mm des DTS MONO specia shaft en ss 2005768 001 usa n33 N ser ONTOS Moto 927 229 55 E 2005769 001 ipn n3 H d nna 2006714 001 ss me x LZ Geh useoberteil Ansicht von innen 7 V casing upper shell view fro
26. 1200 ST 30344319 Handle 41611818 Leaf spring 92916645 Luer connection female 92916648 Nut lock 92916654 Luer plug male 43252566 Filler panel 43252567 Connector pan 8 6 MAC 1200 resting ECG analysis system Revision A 2012250 095 Parts List Field Replaceable Units FRUs Table 7 Recorder Parts Part Number Description 2000078 001 Drive Flap complete with Gearwheels and Roller 48015967 Gearwheel assembled on Roller 48015969 Gearwheel assembled on Motor 45 14T 48015966 Gearwheel big assembled between Roller and Motor 2009848 001 Motor Update Kit replace Motor partno 30344746 43252213 Cover plate for Motor 30343829 Mark Reader old Used up to PN 101082178 optional sensor 2001495 001 Mark Reader new Used from PN 101082179 and higher optional sensor 30344271 Thermal Printhead 38802910 PCB Printhead connection 43252209 Plastic holder for Printhead left side 43252210 Plastic holder for Printhead right side 41515439 Pressure spring for Printhead 50465725 Metal Tube 50465774 Contact Plate 50465726 Press Strip Table 8 Keypads MAC 1200 Part Number Description 39000200 Keypad International 39000201 Keypad Europe 2 39000202 Keypad USA 39000203 Keypad RUSS Revision A MAC 1200 resting ECG analysis system 8 7 2012250 095 Parts List Field Replaceable Units FRUs Table 9 Keypads MAC 1200 ST Part
27. 2 5 ms m Pacer pulse marker independent of pulse polarity m Pulse amplitude between 5 mV and 700 mV Heart Rate Indication Derivation of the heart rate from all ECG signals m Display range between 30 and 300 bpm m Display update with every heart beat maximum every 2 seconds Signal Inputs Isolated patient signal input IEC type CF high voltage protection for all lead connections and neutral electrode interference compensation via neutral electrode monitoring for open leads m Electrode connections for RA LA LL LA V1 to V6 m Input impedance for differential signals between any two electrode connections gt 10 MQ at 10 Hz Input impedance for common mode signals referred to neutral electrode gt 50 MQ up to 60 Hz m Dynamic range for differential signals between any two electrode connections for AC voltage 10 mV for superimposed DC voltage polarization voltage 600 mV m Dynamic range for common mode signals referred to neutral electrode 1 V referred to chassis 263 V AC rms m Quiescent input current via any electrode connection for 1 kW termination referred to neutral electrode lt 50 nA m Patient leakage current rms values according to IEC class CF in normal condition 10 uA in single fault condition e g patient in contact with line voltage gt 20 uA m Non destructive range for lead electrode connections and the neutral electrode connection referred to neutral electrode 50 V refe
28. 99 2001795 001 in 101 168 23 24 33 GE Medical Systems IT GmbH 068588 new stepper motor EE DS Munzinger Str 3 2x 061314 Sensor opt hinzu 03072001 BDeinel 06 06 2001 BDeinel 066014 Var 31 bis 38 und Sach Nen hinzu 20 04 2007 BDeinel 7x 066241 2x rem No Nnzu 05 0101 Krieg 2x 066150 Lok und Text hinzu EE Deine 1 061952 Text entfallen 12 04 99 Deinel D 3 D 19111 Freiburg t m 066908 Sach Nr ge ndert Variante 24 hinzu d D 080355 Deiner Entw N Schnurr II knderungsbeschreibung Change Description Projekten n Date 07238 Deinel 111238 K Gei 10116801 D03 SZ Fame Ta beso Part Dern Ten Ne Part Number Ew SZ 01 MAC 1100 1200 1200 ST 101 168 8 MAC 1200 resting ECG analysis system 2012250 095 Not required with 003 board 10 4 PCB Assembly Drawing PN 2033914 027 Drawings PCB Assembly Drawing PN 2033914 027 COMPONENT SIDE VIEW ASSEMBLY DRAWING MAC1200 V6 2 2033914 027 Lum O nanon oco C E ji J L LJ OOO 8 an maidd a ao Ces m m d E d H ao moi 97 os Leu TESST n Y 4 am 5 s os H ma E 1 4 E e ZS 2 i ad ei ta ZA 5 Dom ER e om 118 8 y pa E Jos un
29. AC1200 US only 7 RTSE Output Request to Send 8 FERNST Input Remote Start Input 0 active 9 NC 2 24 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description Interfaces to P eripherals Patient Input The connection to the patient cable is realized with a 15 pin female sub D Connector implemented on the PCB Control CS_CI directly The mechanical plastic housing ensures that only patient cables that have been released for use with the MAC 1200 resting ECG analysis system system can be used Connector denotation J1 Type 15 pin sub D female J1 Table 3 EKG Pin Position Pin Number Signal Input Output Function Definition 1 C2 Input Chest lead V2 2 C3 Input Chestlead V3 3 C4 Input Chest lead V4 4 C5 Input Chestlead V5 5 C6 Input Chest lead V6 6 Shielding Output Shielding AVSS 1 Cable Input Identification patient cable used 0 patient cable used 8 Cable Input 5 10 pin or 12 pin cable used 0 12 pin cable identification 1 5 or 10 pin cable 9 R RA Input Electrode right arm 10 L LA Input Electrode left arm 11 F LL Input Electrode left leg 12 Cl Input Chest lead J 1 13 NST Input Nehb electrode NST 14 N RF Output Electrode right leg 15 NAX Input Nehb electrode NAX Revision A MAC 1200 resting ECG analysis system 2 25 2012250 095 Functional Description Limitations Limitations The following operating modes a
30. C 100 pA 500 pA 300 uA UL requirements Electrical Diagram for Enclosure Leakage Current Test Patient Leakage Current Test This test performs a leakage current test under single fault conditions S F C depending on domestic power outlet of 115 or 230 V AC as source into the floating inputs In all cases the leakage current is measured from input jack of the unit being tested to ground Connect the unit being tested to your Safety Tester Power Cord Safety Tester ower vof ue NORM RVS E H Power Cord 8 1 ad H Probe to 3 Exposed 5 lt q Sess 5 L enn 41 021A m Referring to the electrical diagram the measurements have to be Revision A MAC 1200 resting ECG analysis system 7 9 2012250 095 Service and Maintenance Technical Inspections Preventative Maintenance done under the following conditions Polarity switch NORM and RVS GND switch GND closed 1 closed Test has failed if the measured values are greater than 50 pA Electrical Diagram for Patient Leakage Current Test Power Cord Safety Tester Patient Cable or Test Plug 8 F D o o c 2 c 2 022A For the protection of the test person the following values of resistor R may be used Type BF 22 kOhm 120 to 130 V 47 kOhm 220 to 240 V Type CF 100 kOhm 220 to 240 V 7 10 MAC 1200 resting ECG analysis system Revision A 2012250 095 Service and Maintenance Maintenance Cleaning
31. DENOTES POSITIVE TERMINAL enu 236 e vo 8 an B 1 mm 3 THE BAR SHOWN ON THE DIOOE IS THE NEGATIVE mu gt 2 Loa 8688590808 am B un wur am ennannaanes a bq 4 JUMPERS LOETI TO LOETS TO BE SHORTED DURING SOLDERING en TN n Gi f m mwh YR 5 JUMPERS J2 04 05 06 ANO 47 TO BE SHORTED QURING SOLDERING 5 1 gt mI pi G COMPONENTS L7Z LB LE2 NOT TO BE MOUNTED COMPONENT PAOS TO BE SHORTED lt m pr PES ES am am q cm Gne FED Is T TRANSLUCENT HOT NELT ADHESIVE OR EQUIVALENT TO BE POURED AROUND ISOLATION eyd 35 am m TRANSFORMER TR AND ON COMPONENTS L72 176 178 LB1 L83 088 a NS o 1 mag BFLUX USED SHALL BE HALIDE FREE GRADE m am HELE eE am S SOLDER PASTE USED SHALL BE NO CLEAN 10 0 CIRCUIT TESTING AND FUNCTIONAL TESTING SMALL BE PERFORMED BEFORE SHIPPING THE 11 SERIAL NUMBER TO BE BARCOOED AND PRINTED IN INDELIBLE INK 12PROGRAMMED PART Z2 TO BE LABELED WITH CORRESPONDING PART NUMBER REVISION NUMBER d 1SHEADER PINS BATT PINA PINTS AND TPC_DATA PINT2 TO BE CUT AFTER ASSEMBLY a 14 PWA MANUFACTURER IS RESPONSIBLE TO MATCH BOM REVISION TO BOARD ASSEMBLY REVISION MARKING F REMSION MARKING DOES NOT MATCH BOM REVISION APPLY APPROPRIATE REVISION LABEL TO ASSEMBLY SEE NOTE 4 15 STICKONG DISK 92723057 TO BE AFFIXED BELOW BATTERY BAI BEFORE SOLDERING ON TO PWA Y6 COMPONEN C560 AND RS232 S OPTIONAL DO NOT MOUNT 17 INVERTO
32. EC1200 22336802 Connection cable from MAC 1200 ST to TM400 22338002 Connection cable from MAC 1200 ST to Ergoline 900 800 2006795 001 Connection cable from MAC 1200 ST to Variobike 500 22339003 Connection cable from MAC 1200 ST to T2000 2006796 001 Connection cable from MAC 1200 ST to Excalibur 2005445 001 Connection cable from MAC 1200 ST to Master Step 8 10 MAC 1200 resting ECG analysis system 2012250 095 Revision A 9 Specifications Revision A MAC 1200 resting ECG analysis system 2012250 095 9 1 For your notes 9 2 MAC 1200 resting ECG analysis system 2012250 095 Revision A Specifications Basic Information Basic Information Recording Waveforms and alphanumeric characters are recoreded directly with rectangular coordinates by means of thermal array printhead printing on thermosensitive paper m Three or six recording channels or 12 in 12 Lead Mode overlapping m Baseline pitch 3 channels 62 mm arrhythmia 6 channels 31 mm 6 Lead 12 channels 16 mm 12 Lead Writing width 200 mm maximum Recorder settings date time and entered patient name are annotated in the margin of the recording strip m With appropriate software documentation of analysis results in the respective operating mode m Resolution of the recording Vertical 8 dots mm Horizontal 25 mm at 25 mm s Printer Paper GE CONTRAST Z fold pad 150 pages per pad equivalent to a char
33. GE Healthcare MAC 1200 MAC 1200 ST Resting ECG Analysis System 2018357 003 amp 2013503 003 PWAs Service Manual 2012250 095 Revision A NOTE The information in this manual only applies to MAC 1200 resting ECG analysis system with the 2018357 003 or 2013503 003 board and software v6 2 It does not apply to earlier software versions Due to continuing product innovation specifications in this manual are subject to change without notice CAUTION Software compatibility issue Attempting to download 4 v6 2 software or later into 002 boards PN 2018357 001 2018357 002 2013503 001 or 38803267 or v6 11 software or earlier into 003 boards PN 2018357 003 or 2013503 003 will render the MAC 1200 unit inoperable MAC and MUSE owned by GE Medical Systems Information Technologies a General Electric company going to market as GE Healthcare All other marks are owned by their respective owners O 2007 General Electric Company All rights reserved T 2 MAC 1200 resting ECG analysis system Revision A 2012250 095 22 May 2007 CE Marking Information CE Marking Information 6 6 Compliance Exceptions The MAC 1200 resting ECG analysis system bears CE mark CE 0459 indicating its conformity with the provisions of the Council Directive 93 42 EEC concerning medical devices and fulfills the essential reguirements of Annex I of this directive The product is in radio interference protection cl
34. Ir em m d uo i T m im ge cm 7 0 f SEE NOTE 13 3 gt e Y Old H nn Ty Wb d P ar mr E BI II 5 m cd O o ibi E t E A a 1 ged b _ weg rm mo 8 8 a 25 SEE NOTE 17 oa uu a ga oe E m sn Z ja 1 pg Miles LE e As i sc um y ONE CO qu S E ed 8 BB Erat ns gt q oa eno 88 883 m o e as F HB ae a Fi ne 5 0 a mm 5 62 en 2 ald 2 26 o g Rm a wg mM 8 D om o e a gt as O Oz y zi AE a EN 8 Ea 1111111 9 c 7 nn a NL o TREE CIT phu mm E d 91 19mm FET TI zB zl F D SEE NOTE 16 il m 5 8 6 oa en 30888 quo ue 2 4 a H inm 209 e z Pt m 88288 8 TA us um mz bd zx z e D Jaz omon TDT z1lITu Y paa m 5 Df mb ziB z19 868 8 em n m B d zi ot gp wm 3 0 een yn ve o am s c9 54 f am me Kei m h LLU les Ad f E rem 224 em op REM qb i a d aw DEE DE on UR en m a uw 2726 dp 237 499 sun F 3 E mu nm SEE NOTE 12 gt e m 59 amo a m al UR yy Ji T gt e zzz 2 atr d a 1 UNLESS OTHERWSE SPECIFIED ALL RESISTANCE VALLES ARE IN OHMS a 75 23 TE m r Er mE am ven wm ALL CAPACITANCE VALUES ARE H MICROFARADS tg nn cago ne 88 a nn 2 THE BAR SHOWN ON ALL POLARIZED CAPACITORS
35. PCB battery charge If not PCB battery charge is defective With power plug plugged in let the unit charge for 10 minutes then disconnect power plug Can the device be switched on and can a recording be started If yes Function OK Continue loading with plugged mains plug If not Is the battery disconnected or cable defective Revision A MAC 1200 resting ECG analysis system 5 3 2012250 095 Troubleshooting Basic Information Error In Self Test Identified Is the battery defective no capacity Is the PCB battery charge defective Display On the Screen Does the yellow Stop LED on the keypad glow after the device is switched on If not Refer to Device cannot be switched on If yes Continue m Does a beep sound approximately 10 seconds after switching on the MAC1200 occur indicates the successful power up self test If not Self test error PCB Control defective If yes Continue Contrast badly adjusted Can the background illumination be activated by pressing a key Can the display test in Chapter 3 Display Test be applied successfully If not Graphics display module defective or PCB Control defective When an error is detected during the self test in addition to the message Self test failed the error code number and a short description also appear on the display The meaning of the error codes are described in Chapter 3 Self Test The error codes refer to the PCB Co
36. R SUB ASSEMBLY TRIM LEADS Of MOUNTED COMPONENTS TO ENSURE NO DIRECT CONTACT WITH MAIN PWA FIX SUTASLE SZE POLYCARSONATE FILM STANDARDO Sem 1mm THICKNESS OR EQUIVALENT BELOW X3 BEFORE SOLDERING CTO TABLE DESCRIPTION IC CTQ FLAG MEF140 QUALITY PLAN Nt WUIRE D MEF16 01 07 PRO E Revision A e Um DO NOT SCALE DRAWING NUT SCALE DRAWING Fis oneneis sario ien DIMENSIONS ARE IN MM m Fi irs I I 000 x 05 SEE NOTE 7 087793 17 Moy 07 Approved SUPPLIER PACKAGE PER MS 2008 A MR65403 26 Apr 07 Approved REMOVE ALL BURRS AND SHARP EDGES 2 ER51229 25 Apr 07 Approved MATERIAL ER50882 19 Apr 07 Approved INSPECTION FLAG CONFIDENTIAL THIS PRINT AND THE DESIGN THEREIN REPRESENTED ARE THE ITEM INDICATED TD BE PART DF AND MAY NOT BE USED IN ANY MANNER DETRIMENTAL TD IT S INTEREST THIS SUPPLIER S INSPECTION PLAN UNDERSTANDING THAT IT WILL NOT BE USED FOR MANUFACTURE FOR OTHERS DATE 12 Apr 07 DATE ELECTRONICALLY MAC 1200 resting ECG analysis system 2012250 095 Stt NOTE 6 SEE NOTE 11 GE Medical System Information Technologies PCB MAC1200 CPU 2033914 027 B m Tem 1 PROPERTY DF GE MEDICAL SYSTEMS LT PRINT HAS BEEN ISSUED WITH THE AND WILL BE RETURNED UPON REQUEST GEMS IT CAD ORIG 10 5 Schematic PN 2033914 033 Sheet 1 Revision A Drawings Schematic PN 2033914
37. Signals and HR Value Carry out the following settings on the ECG simulator m Amplitude 1 mV m Heart rate RATE 60 bpm Connect the electrode leads as indicated below R red or RA gt RA L yellow or LA gt LA F green orLL gt LL N black or RL gt RL C1 white red or V1 gt Ml C6 white violet or V6 gt V6 Switch in 6 lead operating mode and start recording by pressing the Start key By pressing the lead scrolling key check whether all leads are being recorded The ECG traces must be noise free Record one page in the manual 6 lead operating mode The following annotations must be present m Heart rate top right m Lower status line Date and time Recording speed Sensitivity Active filter e g 50 60 Hz 40 20 Hz ADS Frequency range of the recording 3 39 9 3 The heart rate of 60 bpm 2 bpm appears on the display and is printed out on the recording Activate the sguare wave function on the ECG simulator at 1 mV Using the lead scrolling key select lead II The sguare wave pulse trace must correspond in amplitude with the displayed 1 mV reference pulse applicable to named simulator only Switch back to ECG signal on the ECG simulator Start the recording in manual 6 lead mode Increase the heart rate to 200 bpm on the ECG simulator The acoustic warning signal must sound for about 1s Reduce the heart rate back to 60 bpm the warning s
38. apacity 1 3 Ah Fully charged battery sufficient for up to 50 12 Lead Mode 1 page ECGs if unit is only switched on to record the ECGs Battery charge time approximately 4 hours Minimum charge time for one 12 Lead Mode ECG 10 minutes Battery life approximately 2 to 3 years replacement by service only Lithium battery for built in clock battery life approximately 5 years replacement by service only After successful self test approximately 20 seconds after power up Horizontal 9 10 MAC 1200 resting ECG analysis system Revision A 2012250 095 Specifications Basic Information Environment Operation Transport and Storage Recorder Dimensions Weight Temperature between 10 and 40 C 50 and 104 F Relative humidity between 25 and 9596 Atmospheric pressure between 700 and 1060 hPa between 20 67 and 31 3 inches Hg Temperature between 30 and 60 C 22 and 140 F including battery Relative humidity between 25 and 9596 Atmospheric pressure between 500 and 1060 hPa between 14 76 and 31 3 inches Hg Width 370 mm 14 5 in Height 95 mm 3 7 in Depth 320 mm 12 6 in include handle Approximately 5 6 kg 12 3 Ib with battery Revision A MAC 1200 resting ECG analysis system 2012250 095 Specifications Basic Information For your notes 9 12 MAC 1200 resting ECG analysis system Revision A 2012250 095 10 Drawings Revision A MAC 12
39. ass A in accordance with EN 55011 The country of manufacture can be found on the eguipment labeling The product complies with the reguirements of standard EN 60601 1 2 Electromagnetic Compatibility Medical Electrical Eguipment The safety and effectiveness of this device has been verified against previously distributed devices Although all standards applicable to presently marketed devices may not be appropriate for prior devices i e electromagnetic compatibility standards this device will not impair the safe and effective use of those previously distributed devices See user s information The MAC 1200 resting ECG analysis system EMC Immunity Performance Users should be aware of known RF sources such as radio or TV stations and hand held or mobile two way radios and consider them when installing a medical device or system Be aware that adding accessories or components or modifying the medical device or system may degrade the EMI performance Consult with qualified personnel regarding changes to the system configuration Revision A MAC 1200 resting ECG analysis system CE 1 2012250 095 CE Marking Information For your notes CE 2 MAC 1200 resting ECG analysis system Revision A 2012250 095 Contents 1 The Baslts eu Ga YDA ead YA Y A x del About This Manual eene 13 Manual RUDO irme tiet te Y DD El o teria 1 3 Intended Audience io cote des mak s hec Ee op eR re 13 Definiti
40. atte A nen Aue nie 9 5 Data Ihterface mto eA Rx x os a Te do ia 9 6 Pin Assignment of Data Port 9 6 Remote Start Hardware He 9 6 Signal Transmission e ed As 9 7 EGG Calibration ass os der ne ER d ncc 9 8 Automatic ECG Gain Adjustment sisse 9 8 EG TEE Mie odes Dons eode teca d A 9 8 Anti Drift System ADS Cubic Spline FY RE RR RR 9 8 ECG Storage ce sci fia y ce oe ad TR DON baf FFA no 9 8 BIOKIM aaro nti erar re een dos ANN b eO e YY s 9 9 Electrode Monitoring Yan unsre 9 9 TextlnpUt ons ena A SO Aan 9 9 COPY FUNCION c nate etie Rar teneo cedi dag addo geret 9 9 OSU qn EE E 9 9 Power SUpply css Ee t eo s ec te Le o ob neus 9 9 AAAA EAN a 9 10 Battery Operations sash a AS E 9 10 Operational Readiness 9 10 Operating P OSINON u mise dg 9 10 Environment ee M ato f RY e di 9 11 Recorder DIMENSIONS men 9 11 Weight 9 11 DraWiNGS sine Basic Information 9 9 RR RR ER ENEE 10 2 High Level Assembly PN 101 168 01 38 Sheet 1 rr 10 3 High Level Assembly PN 101 168 01 38 Sheet 2 cr 10 4 PCB Assembly Drawing PN 2033914 027 n n nn nn nnns 10 5 Schematic PN 2033914 033 Sheetl 9 RR n n n n n n n n n n n nnn 10 6 MAC 1200 resting ECG analysis system Revision A 2012250 095 Schematic PN 2033914 033 Sheet2 99 9 n n n n n n n n nn nnns 10 7 Schematic PN 2033914 033 Sheet3 9 9 9Y RR RR n n nn nnn 1
41. attery charge With software version 6 two options for the real time clock are supported The software checks for an external real time clock chip X13 on PWA control This chip is available with Index G of PWA Control CS_CI and Index F of PWA Control CS_C If the external RTC is found it will be used for the clock function If not the internal clock of the MPC855T will be used The external RTC is more accurate than the internal one Both clocks are buffered by the voltage KAPWR Revision A MAC 1200 resting ECG analysis system 2 11 2012250 095 Functional Description PCB Control 65 CI Memory Program Memory DRAM Patient ECG Memory Configuration Memory The complete memory of the MAC 1200 resting ECG analysis system is located on the PCB Control CS C I The software of the device can be loaded through the JTAG port during the production process or for service purposes with the appropriate programming software through the RS 232 interface Type Flash 3 3 V supply Organization 2Mbit X 16 4Mbyte Wait states 1 wait state Type SDRAM 3 3 V supply Organization 4Mbit X 16 8Mbyte Wait States 0 wait state Type Buffered SRAM 3 3 V supply Organization 512Kwords X 16 bits Wait States 1 wait state The configuration memory is part of the program memory Flash With special hardware and software protection facilities write access to the Flash is only possible in the defined configuration me
42. clock generation KAPWR generated from the 3 3 V logic supply or from a battery when device is off used for buffering the RTC Counter Register The clock generation for the MPC855T is realized by a guartz oscillator with 32 768 KHz The system clock CLOCKOUT is adjusted with the internal PLL register The system freguency is 25 MHz The watchdog reset generation is implemented separately in an integrated system monitoring chip It has the following functions Power up reset for the MPC855T when the device is switched on m Voltage monitoring of the 3 3 V and 5 V with reset generation m Watchdog Switchover to battery supply for patient ECG memory when device is switched off m Signal for access protection for patient ECG memory when device is switched off 2 10 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description PCB Control 65 CI Real Time Clock The Reset Configuration defines startup conditions like boot port size and clock generation source Four LEDs indicate the device status in addition to the following LEDI Active when a HRESET occurs LED2 Indicator for the logic supply LED3 LED4 Indicate internal software states The control register comprises device control signals to switch off the device control battery charging and display control signals The status register contains information on the device hardware configuration and the state of the b
43. connected with a 15 pin connector with a special form for the specified and released patient cables for the MAC 1200 resting ECG analysis system The main element of the ECG recording and front end processing is a set of chips comprising 3 ASICs Pace detection is realized by a separate circuit Every disconnected electrode is detected by a special AC measurement which allows higher impedance between electrode and patient N common mode compensation ensures suppression of interference at the same time serving to improve the in phase suppression of the input electrodes To protect patients the ECG recording and front end processing are assembled as floating components Digital signals from and to the controller core are transmitted via opto electronic couplers The floating supply 5 V is generated by an isolated flyback converter from the 5 V logic power supply Revision A MAC 1200 resting ECG analysis system 2 9 2012250 095 Functional Description PCB Control 65 CI Controller Core The actual core comprises the Motorola Power PC MPC855T which contains the following integrated components Chipselect logic DRAM controller SCC and SMC for RS 232 SPI interface I O ports Real time clock counter register In addition the MPC855T contains a JTAG port with test and programming capabilities The MPC855T has the following additional power supplies m VDDSYN filtered from the 13 3 V logic supply for the
44. d to the connector MOTOR on the PCB Control CS_CI Connector denotation MOTOR Type Multipoint connector 1 x 6 pin 180 Reverse terminal protection MODU II Interfaces for Production Tests Debug Port The debug port is an interface for developing purposes With the corresponding tools the MPC855T can be set to the debug mode to show internal states Connector denotation BDM Type Male connector 2 x 5 pin 180 JTAG Port The JTAG is an interface for the production test of the processor core and the memory In addition the Flash memories can be programmed with this interface Connector denotation JTAG Type Male connector 2 x 5 pin 180 Pin 7 coding pin The function of the individual pins is given in the table below The definition as an input output is seen with reference to PCB Control CS_CI JTAG Pin Number Signal Input Output Function Definition 1 TMS Input JTAG Test Mode Select 2 TRST_ Input Reset for Scan Chain Logic 0 Reset active 3 TDI Input Data In for TAG Mode 4 TDO Output Data Out for J TAG Mode 5 TCK Input Serial Clock for TAG 6 GND Logic Ground 7 PORESET_ Bi direct Power n Reset 0 Reset active 8 EN BJHRES_ Input Enable buffered HRESET 0 HRESET _ enabled 9 WE 0 Bi direct Write Enable 0 0 Write enable 10 WE 1 Bi direct Write Enable 1 0 Write enable Revision A MAC 1200 resting ECG analysis system 2 21 2012250 095 F
45. ed in rapid mode for some minutes till the charging circuit recognizes battery full then switchover to trickle charging State 3 Battery depleted no line power supply device is switched on Device inoperative State 4 Battery full no line power supply device is switched on Device fully operative When battery is almost depleted the LEDBAT signal is activated to indicate that the device should be charged by connecting to the line power supply If the operation is continued without line power MAC 1200 1200 ST will shut down itself when a minimum level is reached to prevent the battery from a excessive discharge State 5 Battery depleted line power supply is connected up device is switched on Battery is charged in rapid mode device is fully operative including recording During recording the charging current is reduced If a lot of recordings take place in this phase the battery is not fully charged within 4 hours 2 6 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description PCB Control 65 CI PCB Control CS_Cl The PCB Control CS_CI is the main board of the MAC 1200 resting ECG analysis system The main board accommodates the control functions of the device except the line power supply and the NC battery charging controller Generation of Internal Power Supplies Logic Power Supply 5 V and 43 3 V The processor core and the memory is a fully 13 3 V design The i
46. ersal of the coupling capacitors in the preamplifiers after electrode application ensures that the baseline is quickly restored to its original position after overranging Audible and visual indication on the LCD of disconnected electrodes or line break each single electrode is monitored Patient and user data as well as comments can be entered via the panel keyboard and are annotated on the recording strip After ECG recording in 12 Lead Mode copies of the ECG can be printed from memory and or transferred to a MUSE CV system configurable Automatic performance test upon power up including verification of the signal path starting at the signal input Stored test ECG data for demonstration of the device functions From the power line or from a built in rechargeable battery automatic switchover automatic battery charging during line power operation from integrated AC adapter module Revision A MAC 1200 resting ECG analysis system 9 9 2012250 095 Specifications Basic Information Mains Operation Battery Operation Operational Readiness Operating Position Instrument design in protection class I according to IEC 601 1 Rated voltage range 95 to 240 V Operating voltage range 85 to 264 V 49 to 65 Hz Rated current 0 2 0 6 A Fuse 2 x T 1 25 A 5 x 0 Typical power consumption Battery charging 14 W Maximum power consumption 29 W Type nickel cadmium Rated battery voltage 18 V Rated battery c
47. he Technician Name field m To bypass the logon password press att As 9 Revision A MAC 1200 resting ECG analysis system 3 23 2012250 095 System Test Function Pharma For your notes 3 24 MAC 1200 resting ECG analysis system Revision A 2012250 095 4 Repair Instructions Revision A MAC 1200 resting ECG analysis system 2012250 095 4 1 For your notes 4 2 MAC 1200 resting ECG analysis system 2012250 095 Revision A Repair Instructions Safety Instructions Safety Instructions When repairing the MAC 1200 resting ECG analysis system unit the following considerations apply Repairs may only be conducted by approved service personnel Before opening the MAC 1200 resting ECG analysis system switch off device and disconnect the mains plug Never connect the mains plug when the device is open Before replacing the primary fuses in the power input module the device should also be switched off and the mains plug disconnected For replacing components only the original GE components mentioned in the spare parts list may be used When replacing electronic components implement ESD protection Return replaced PCBs in ESD packaging only Defective NC batteries or empty batteries should be disposed of in accordance with the applicable legal stipulations or returned to the factory Batteries returned to the factory should be labeled For disposal Revisio
48. ical interfaces are described in Mechanical Components on page 1 8 This section describes the pinning function and significance of the signals on the internal interfaces of the functional components Interface to the Switching Power Supply POSUP The interface to the switching power supply is realized by the connector POSUP on the PCB Control CS CI Connector denotation POSUP Type Male connector 1 x 4 pin 180 AMP MODU I Reverse terminal protection achieved mechanically The function of the individual pins is given in the table The definition as an input output is seen with reference to PCB Control CS_CI Pin Number Hin Hd Function Definition 1 24VPS Input Voltage from power supply 426 5 V 2 24VPS Input Voltage from power supply 426 5 V 3 GNDPS Input GND from power supply 4 GNDPS Input GND from power supply Interface to the PCB NC Battery Charge This interface has the supply for battery charging charging control and status signals and the battery voltage from the PCB NC battery charge Connector denotation BATT Type Male multipoint connector 2 x 10 pin 180 Reverse terminal protection and coding with coding pin 15 The function of the individual pins is given in the table below The definition as an input output is seen with reference to PCB Control CS CI 2 18 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description Internal
49. ice personnel For all the following points see Chapter 4 Safety Instructions section for items that need to be observed NOTE The master password used to override all other passwords is SYSTEM Device cannot be switched on even though power plug is plugged in m The green power lamp LED is off and device cannot be switched on Is the power cable defective or not plugged in correctly Are the primary fuses in the mains input module defective Is the connector from the mains input module to the mains switching power supply plugged in correctly or cable defective Is the connector from the mains switching power supply to connector POSUP on the PCB Control plugged in correctly or cable defective Is the keypad via connector KEYB on PCB Control plugged in correctly 4 It there a 26 5 V on the connector POSUP If no mains switching power supply defective If yes PCB control defective or keypad defective m The green power lamp LED is on but device still cannot be switched on Isthe PCB control defective Isthe keypad defective Device cannot be switched on when running on battery power m Is the battery depleted Plug in power plug The green power lamp LED should glow and the device can be activated If not refer to Device cannot be switched on even though power plug is plugged in on page 5 3 By connecting the power plug rapid charging is activated as indicated with LED1 on the
50. ignal no longer sounds Pacemaker Identification Test Make the following settings on the multifunction simulator m Pace setting m Pace amplitude 6 mV m Pace duration 0 2 ms 7 6 MAC 1200 resting ECG analysis system Revision A 2012250 095 Service and Maintenance Technical Inspections Preventative Maintenance Adjust manual 6 lead mode on MAC 1200 device to be tested and select lead groups I II and II Start the recording The pace pulses must be visible as spikes on the recording output Identification of Disconnected Electrodes Reset the simulator to ECG signal at a heart rate of 60 bpm Remove one electrode after the other from the ECG simulator Activate the Automatic 12 lead mode in the MAC 1200 resting ECG analysis system device to be tested without activating it by pressing the Start key Ensure that each disconnected electrode is displayed correctly and that an acoustic alarm signal sounds Checking the Charge Status of the NC Battery The NC battery can be checked as follows m Discharging the battery followed by charging up completely duration 4 hours followed by discharging in standby mode without recording If the operating time for this procedure is under 2 5 hours the battery should be replaced Revision A MAC 1200 resting ECG analysis system 7 7 2012250 095 Service and Maintenance Technical Inspections Preventative Maintenance Safety Analysis Tests General Info
51. imum load is 1 5 A 2 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description PCB NC Battery Charge PCB NC Battery Charge The MAC 1200 resting ECG analysis system can operate on battery power With a new fully charged NC battery up to 50 ECGs can be recorded in Automatic 12 lead mode The PCB NC battery charge controls and monitors the charging process depending on the status of the battery and the status of the device Charging Circuit for the NC Battery An integrated charging device is used to charge the battery During charging it monitors the battery voltage function and switches over from rapid charging to trickle charging Applying the line power to the MAC 1200 resting ECG analysis system or insertion of the battery activates the charging circuit During a recording the charging current is reduced In standby mode a depleted battery is fully charged within 4 hours Revision A MAC 1200 resting ECG analysis system 2 5 2012250 095 Functional Description PCB NC Battery Charge Battery Dependent Device Behavior Depending on the status of the battery and the status of the device the following behavior occurs Table 1 Battery State State 1 Battery depleted line power supply is connected up Battery charged in rapid mode when fully charged switchover to trickle charging State 2 Battery full line power supply is connected up Battery charg
52. ing RS232 driver and connector This test requires an RS232 connector with an internal bridge from pin 2 RXDE to pin 3 TXDE Depending on the result of the test the following message appears If test result is OK Out Hello world In Hello world If an error occurs Out Hello world In ERROR In Send Test String to Device 2 In this test a remote station e g PC must be connected up and have a terminal program which can receive signals and be configured for the above mentioned protocol If the remote station is on receive then every time the 2 key is pressed the test string Hello world is transmitted to the remote station Simultaneously the following message appears on the display Revision A MAC 1200 resting ECG analysis system 3 11 2012250 095 System Test Function V24 Tests m v24 Settings 19200 8 n 1 m Out Hello world Send and Receive with Device 3 Sending and receiving can be tested with a remote device by pressing the 3 key The device should be connected as described in Send Test String to Device 2 After pressing the 3 key a test string is sent to the remote station The following message appears on the display m Transmitting Hello world m Receiving A subseguent input at the remote station is sent back to the device and displayed there Moreover it should be noted that an input must take place within 10 seconds and the input terminated with the return key
53. ion may need to be made in order to carry out the test If such a change needs to be made to enable testing make a printout of all the modified configuration lists and mark the changes made NOTE After completing the test the original user programmed configuration is to be retrieved and activated Operating and Display Unit Performance Tests m Carry out the Display Test as detailed in Chapter 3 Display Test m Carry out the Keyboard Test as detailed in Chapter 3 Keyboard Test 7 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 Service and Maintenance Technical Inspections Preventative Maintenance Test for Recording Speeds 25 and 50 mm s Device Test Result Check RS 232 Interface Test Carry out the Motor Test as detailed in Chapter 3 Motor Test The feed speed deviations should be less than 396 Output Test Results as detailed in Chapter 3 Test Results Main parameters 999 All memory stores free from error ASIC test O K Sample rate 1000 Printhead voltage gt 18 V battery charge O K Printout clearly legible and without any lapses or interference Carry out the Interface Test item 1 Transmitting and receiving as detailed in Chapter 3 V24 Tests Revision A MAC 1200 resting ECG analysis system 7 5 2012250 095 Service and Maintenance Technical Inspections Preventative Maintenance Analysis of the ECG
54. ional Description Internal Interfaces Interface to the Keypad Interface to the Printhead Printhead Supply The interface to the keypad is realized with the connector KEYB It contains the signals for the keypad rows and columns the supply and the control signals for the status LEDs of the keypad The foil connecting cable is part of the keypad itself Connector denotation KEYB Type Foil connector 26 pin zero power insertion 180 grid 1 0 mm Molex The control data to the printhead is transferred via the flexible PCB Printhead Connection plugged into the connector TPC_DAT on the PCB Control CS_CI Connector denotation TPC DAT Type Male connector 1 x 20 pin 1809 The printhead is supplied through a 6 pin connection cable plugged to the connector TPC_PO on the PCB Control CS_CI Connector denotation TPC_PO Type Multipoint connector 1 x 6 pin 180 Reverse terminal protection MODU II The function of the individual pins is given in the table below TPC_PO Pin Number Signal Function 6 COMMON Supply Voltage 22 5 V 5 GNDITPC Ground 4 COMMON Supply Voltage 22 5 V 3 COMMON Supply Voltage 422 5 V 2 GNDITPC Ground 1 22 5V Auxiliary Voltage 2 20 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description Internal Interfaces Interface to the Motor The motor control signals are supplied through a 6 pin connection cable plugge
55. l processing system muscle filter AC filter pacing pulse identification automatic or manual sensitivity adjustment automatic baseline adjustment and drift compensation by means of the anti drift system A D S can be enabled or disabled simultaneously for all channels digital output of processed signals via thermal array printhead Low cut off frequency 3 dB limits 0 08 Hz equivalent to a time constant of 2 04 seconds High cut off frequency 3 dB limits operating mode 12 Lead 6 Lead 150 Hz IEC AHA operating mode Arrhy 100 Hz IEC Signal sampling rate 1000 s Resolution referred to the input 5 pV Output rate to recorder 2000 s For all leads gain adjustment in four steps 40 20 10 5 mm mV With active muscle filter low pass characteristic 3 dB drop of the amplitude freguency response at approximately 40 or 20 Hz With active AC line filter detection and compensation of periodic 50 or 60 Hz freguency components depending on recorder model attenuation gt 40 dB Non linear distortion below values specified in IEC and AHA recommendations Coincidence error limits between any two channels 0 5 mm Detection of pacer pulses in V2 or other V leads and marking in all channels for signals referred to patient input Duration gt 0 1 ms amplitude gt 5 mV Noise in the signal transmission path below values specified in IEC and AHA requirements lt 2 5 uV rms Common mode rejection for 50 or 60 Hz signals depending
56. lib te EEEF HD SE 85899859 3CER SEEAESHAERERERRES SRS Ke D 3 d t AE ae HL CHIN FEI CECR f E PR H PEELE MEDICAL SYSTEMS l INFORMATION TECHNOLOGIES MAC 1200 resting ECG analysis system 2012250 095 10 22 Drawings Schematic PN 2033914 033 Sheet 18 Schematic PN 2033914 033 Sheet 18 INTERFACE MODEM SUPPLY mm Sam WEDICAL SYSTEMS incio ONE INFORMATION TECHNOLOGIES DATE ia lls pec Tm prr m nr Iessen Revision A MAC 1200 resting ECG analysis system 10 23 2012250 095 Schematic PN 2033914 033 Sheet 19 Revision A Drawings Schematic PN 2033914 033 Sheet 19 MAC 1200 resting ECG analysis system 2012250 095 EE l moo DOMI BELLE Tuer meer se Map 2033914 033 10 24 Drawings Schematic PN 2033914 033 Sheet 20 Schematic PN 2033914 033 Sheet 20 WEDICAL SYSTEN INFORMATION TECHNOLOGIES Revision A MAC 1200 resting ECG analysis system 10 25 2012250 095 Drawings PCB Battery Charge CS CSI PN 388 032 90 Sheet 1 PCB Battery Charge CS CSI PN 388 032 90 Sheet 1 Revision A Schut zvermerk nech DIN 34 beachten BATT_LOAD 1 BATT_LOAD 2 gt BATT_LOAD 3 BATT_LOAD 4 e BATT LOAD 5 I BATT_LOAD
57. m Manuals Part Number Description Language 2012250 021 MAC 1200 resting ECG analysis system Operator s Manua English Int l 2102250 022 MAC 1200 Operator s Manual English USA 2012250 038 MAC 1200 resting ECG analysis system Operator s Manua Dutch 2012250 039 MAC 1200 resting ECG analysis system Operator s Manua French 2012250 040 MAC 1200 resting ECG analysis system Operator s Manua German 2012250 041 MAC 1200 resting ECG analysis system Operator s Manua Italian 2012250 042 MAC 1200 resting ECG analysis system Operator s Manua Spanish 2012250 043 MAC 1200 resting ECG analysis system Operator s Manua Swedish 2012250 044 MAC 1200 resting ECG analysis system Operator s Manua Danish 2012250 045 MAC 1200 resting ECG analysis system Operator s Manua Norwegian 2012250 046 MAC 1200 resting ECG analysis system Operator s Manua Russian 2012250 047 MAC 1200 resting ECG analysis system Operator s Manua Japanese 2012250 048 MAC 1200 resting ECG analysis system Operator s Manua Chinese 2012250 049 MAC 1200 resting ECG analysis system Operator s Manua Finnish 2012250 050 MAC 1200 resting ECG analysis system Operator s Manua Hungarian 2012250 051 MAC 1200 resting ECG analysis system Operator s Manua Polish 2012250 052 MAC 1200 resting ECG analysis system Operator s Manua Czechoslovakian 2012250 053 MAC 1200 resting ECG analysis system Operator s Manua Slovakian 2012250 054 MAC 1200 resting ECG analysis system Operator s
58. m rear D A M12 T 829 074 08 engini tn I metes o 303 442 72 _ approx Born distance gu NE Zu d T Seinen compartnent J 303 442 70 te 921 230 38 H 2001495 001 30344271 415154 39 504 657 26 504 660 52 1504 657 60 H symmetrisch seen A DNS Od t En RIDES Moers VE E 480 159 69 Greifring G2x0 6 804 107 00 921 230 20 Te 03 on 927 230 20 m 430 518 20 Lz 1924 017 14 ox tock ring meses 232633 in 2326 33 su y Sd NT Mise 32 522 13 uu me 432 525 12 p 2 o O 2008125 001 1 Sicherungen fuses Dera arenes EI eme EE SE Y fer plasti 2 510 panhead 2 1801777 27 NOILAW 92509636 y i d oz 383214 09 in 101 168 tz pot 2226203035368 925 093 00 Ld Zant in 101 168 232633 9 a 8 etree ren tra ger ee aaa 0 NET A E Se III D IACH d NM BEE 480 159 67 1423 203 60 930 118 58 430 501 00 3 Sir oe em e gn pet meto KM gt E EAT Es 7 i z 7 z i H 0 e ae 0 0 MAC TDO 1200 roost 101168 01 38 T T T Revision A MAC 1200 resting ECG analysis system 10 3 2012250 095 High Level Assembly PN 101 168 01 38 Sheet 2 Revision A Drawings High Level Assembly PN 101 168 01 38 Sheet 2 Copyright GE Medical Systems IT Schutzvermerk nach DN 34 beachten Gerdtestecker Power Plug 915 419 36 Sicherungen Fuses and ratings 2x T125A 912 084 49
59. menu The contrast setting can always be adjusted as described above cursor keys Revision A MAC 1200 resting ECG analysis system 2012250 095 3 5 System Test Function Keyboard Test Keyboard Test When the 2 key is pressed the following menu appears Table 3 Keyboard Test Key Test Performed B Bleeper Test E End When a key is pressed this key or its function is displayed This can either occur by a triple character display e g AAA or as a text e g CURS_UP Moreover pressing the B key tests the bleeper audible sound The keys ALT and SHIFT only in combination with another key The E key terminates this test and simultaneously initiates a self test 3 6 MAC 1200 resting ECG analysis system Revision A 2012250 095 System Test Function Motor Test Motor Test When the 3 key is pressed the following menu appears Table 4 Motor Speed Test Key Test Performed Format Speed Speed selection motor Start S top Start Stop motor Terminate with any key The speed select key is used to set the required speed and the motor is set into motion with Start Stop A marking pulse is set once every second The running speed can then be calculated or its accuracy checked from the distance between marking pulses Pressing a key that is not included in this menu will return you to the initial display menu Revision A MAC 12
60. mory of the Flash Thus an external configuration memory like an EEPROM is not reguired LCD Graphics Display Interface Controller Interface The LCD controller is now implemented in FPGA For the digital control signals delivered from the MPC855T only an output driver is reguired 2 12 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description PCB Control 65 CI LCD Power Supply Adjusting Contrast Backlight The LCD power supply VEE of 23 V is generated from the 5 V logic supply The generation starts after HRESET_ becomes inactive to ensure that the logic supply of 5 V first is applied to the display Contrast adjustment of the display is accomplished with the contrast voltage VO The level of VO is controlled with the PWM signal BLCD_CONTR from the timer module of the MPC855T In addition the contrast voltage is temperature compensated The LCD backlight converter for the CCFL tube is located on the PCB Control CS_CI too The backlight converter is generated from the 5 V logic power supply The signal BLCD_ENBA switches the backlight on or off The user can define the backlight active time in the configuration menu Revision A MAC 1200 resting ECG analysis system 2 13 2012250 095 Functional Description PCB Control 65 CI Keypad Interface Printhead Control The keypad interface contains the control register for 8 keypad columns and the receiving registe
61. n Variants of the MAC 1200 resting ECG analysis system The complete list of the variants is included in Chapter 8 Parts List The following table gives an overview of the different device models of the MAC 1200 resting ECG analysis system Device a Manufacturer ID Keypad Labeling Mains Voltage MAC1200 INT GE Medica Icons International 230V MAC1200 ST Systems MAC1200 Europe 2 GE Medica Text International 230V MAC1200 ST Systems MAC1200 USA GE Medica Text USA 115V MAC1200 ST Systems MAC1200 RUSS GE Medica Kyrillian International 230V Systems MAC1200 ST Japan GE Medica Japanese International 230V Systems MAC1200 Pharma GE Medica Text USA 115V Systems Hardware Functional Blocks The main functional blocks for the MAC 1200 resting ECG analysis system are listed below m Switching power supply PCB Control CS_CI Printing unit Keypad 1 4 VGA graphics display monochrome MAC 1200 resting ECG analysis system Revision A 2012250 095 The Basics Block Circuit Diagram of Entire Instrument Block Circuit Diagram of Entire Instrument MAC 1200 US Version 6 2
62. n A MAC 1200 resting ECG analysis system 4 3 2012250 095 Repair Instructions Replacing Components Replacing Components For all the following points the Safety Instructions on page 4 3 need to be observed WARNING The device has to be switched off Opening the Device To open the device follow this sequence 1 Release the five fastening screws on the underside of the device 2 Open the paper feed flap 3 Carefully raise the upper shell of the housing 4 Disconnect the keypad cable by opening the connector KEYB on the PCB Control The display remains in the lower shell of the casing During reassembly ensure that no cables are pinched Replacing the Primary Fuses in the Mains Input Module WARNING Only use fuses indicated on the rating label See Chapter 8 Parts List for details 1 Switch off unit and disconnect mains plug 2 Insert small flat blade screwdriver sideways into the lower section of the power connector 4 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 Repair Instructions Replacing Components 3 Pull forward on lower part of connector port and small plastic tray will pop out with fuses 4 Remove fuses 5 Align and insert new fuses in plastic fuse tray 6 Position plastic fuse tray and snap back into position Revision A MAC 1200 resting ECG analysis system 4 5 2012250 095 Repair Instructi
63. nk cable terminal box correctly Is the patient trunk cable defective e g RL defective Are there contact problems at the patient input connector of the MAC1200 If not The PCB control defective Revision A MAC 1200 resting ECG analysis system 2012250 095 5 5 Troubleshooting Basic Information For your notes 5 6 MAC 1200 resting ECG analysis system Revision A 2012250 095 0 Adjustment Instructions evision MAC 1200 resting ECG analysis system 2012250 095 For your notes 6 2 MAC 1200 resting ECG analysis system Revision A 2012250 095 Adjustment Instructions Basic Information Basic Information For the MAC 1200 resting ECG analysis system no adjustment of components is required When PCB Control CS_CI or the graphics display has been exchanged the display contrast should be adjusted to an optimum contrast ratio as described in the user manual Revision A MAC 1200 resting ECG analysis system 6 3 2012250 095 Adjustment Instructions Basic Information For your notes 6 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 Service and Maintenance evision MAC 1200 resting ECG analysis system 2012250 095 For your notes 7 2 MAC 1200 resting ECG analysis system Revision A 2012250 095 Service and Maintenance Technical Inspections Preventative Maintenance Technical Inspections Preventative Maintenance
64. nologies Inc 8200 West Tower Avenue Milwaukee WI 53223 USA Tel 1414 355 5000 1 800 558 5120 US only Fax 1414 555 0 www gehealthcare com European Representative GE Medical Systems Information Technologies GmbH Munzinger StraBe 3 5 D 79111 Freiburg Germany Te 49 76145 43 0 Fax 49 76145 43 233 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 200336 P R China Tel 86 21 5257 4650 Fax 86 21 5208 2008
65. nterface functions to display to RS 232 to the printing unit and to the ECG acquisition unit are supplied with 5 V Both the 3 3 V and the 5 V are generated separately by voltage controller By using the adjustable version of the voltage controller both supplies are based on the same voltage controller The output voltage is determined by appropriate dimensioning of the voltage divider at the feedback input of the voltage controller Standby Supply 5 VSTB and 3 3 VSTB Analog Supply 12 V The standby supply 5VSTB supplies the ON OFF Control the 3 3 VSTB buffers the patient ECG memory when the device is turned off Both supplies are generated together from one low power linear regulator with low quiescent supply current 12 V is used for the heating control and temperature monitoring of the printing unit which requires only a current of a few milliamperes This supply is generated by a linear regulator with feedback input FPGA Power Supply 2 5V 1 25V 2 5 V is the auxilliary source of power and 1 25 V is the main power supply for the FPGA internal logic These voltages are generated by Dual Output Low Dropout Regulator Revision A MAC 1200 resting ECG analysis system 2 7 2012250 095 Functional Description PCB Control 65 CI Switch On Off Circuit Device On Seguence Device Off Seguence The Switch On Off circuit consists of the On Off control and the Voltage control The On Off contr
66. ntrol and should be noted as information for the service center MAC 1200 Fails to Give Printout No Paper Transport Perform the following test in the 6 lead operating mode m Is paper available Is paper correctly inserted Are there paper transport problems jam Is the paper feed flap correctly engaged on both sides After pressing the start key the green start LED must glow If not Is the keypad defective Apply keypad test in Chapter 3 Keyboard Test section If yes Continue Is the mark reader defective or not plugged in Are all connections for the printhead and motor plugged in Is the motor blocked check roller transmission Is the unit operating only on battery which is strongly depleted If yes Plug in power plug If not PCB control defective 5 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 Troubleshooting Basic Information Paper Transport Functions No Printout Is the paper feed flap correctly engaged on both sides Are all connectors for printhead plugged in Is the unit operating with a strongly depleted battery If yes Plug in power plug If no The PCB Control defective or printhead defective MAC 1200 Only Prints on the Upper or Lower Section of the Printout Is the paper feed flap is only engaged on one side MAC 1200 Prints but only Baselines are Printed Out Are the electrodes applied correctly Are electrode cables plugged into the patient tru
67. ntrol core of the MPC855T The interface has the following attributes Hardware handshake with the signals RTS and CTS Software handshake with XON XOFF Transmission speeds from 4800 57600 Baud Maximum input voltage range 15 V Minimum driver output voltage 5 V Maximum ESD interface protection 10 kV The MAC 1200 resting ECG analysis system provides a remote start input on the RS 232 interface The MAC 1200 resting ECG analysis system US device additionally provides a modem power supply output on the RS 232 Interface Buzzer The buzzer is an integrated signal generator with fixed frequency directly operating from the 5 V logic power supply Activating and deactivating is controlled with the signal SPEAKER 2 16 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description Modem Supply Modem Supply PCB Modem Supply CS_M is no longer used in MAC1200 units eguipped with 003 boards The modem power supply is now integrated onto the main board 2018357 003 and 2013503 003 The main board generates a supply voltage of 8 Vdc to operate a special GE modem direct on the RS 232 interface on the MAC 1200 device without the need for an external power supply for the modem Revision A MAC 1200 resting ECG analysis system 2 17 2012250 095 Functional Description Internal Interfaces Internal Interfaces Mechanical Interfaces Electronic Interfaces Mechan
68. o PGM1 Ke Se 8 rAeTCHG UBATT_ME 1K T i SH Out C4 R4 1 9 E 0 Tene 0002 i Code a xe poma 34 Tas arc NE fov n no CC CND BATT R L5 1 13 12 xi Ou1 8 2AT xi 2 x 2 AT BATT 2 3 5 e C2 BATT_IN 4 Battery 8 E ST al SI 3 N BATT D GNDBAT is 4 es GO BATTLIN 3 Battery a 803578 RT V M fe BAS32 ES ef ado E a BATT_IN 2 NTC_GND 5 an se E LOAD OFF 1 IRF7301 u 4 5 Seo T4 M EE BATT_IN 1 NTC_SIG NC T10 3 K 1 PH 5 m Se y R22 e BC8478 898138 xp IRF7301 ps 3 SS 10 m sE edo EIN Sle EN AN GNDBAT CNDBAT 1 Sheet Marquette Hellige GmbH re 388 032 90 1 a Notegupged golo dnd Dito Name A03 F67267 xi 38803290 A 03 08 98 VRP Date Name Schematic x2 B 23 09 98 VRP DRAWN 31 07 98 VRP x3 ECO 062727 C 24 06 99 HAW APPROVED 31 07 98 NTS x4 ECO 062920 D 26 01 00 MSG Akku Ladung CS CI x5 ISSUED N Schnurr MAC 1200 resting ECG analysis system 2012250 095 1998 3 12 5 SUSER CAE B cardiosmart cilbalload cildesign 10 26 Drawings PCB Battery Charge CS CSI PN 388 032 90 Sheet 2 PCB Battery Charge CS CSI PN 388 032 90 Sheet 2 Schutzvermerk nach DIN 34 beachten
69. ol switches the device on or off by switching the device supplies FUVERS and USUPPSW The On Off control is supplied from the 5 VSTB The transition from device Off state or Standby state when line power is connected to device On state can only be activated by pressing the On Off button The transition from device On state to device Off state or Standby state when line power is connected can be achieved as follows m Pressing the On Off button m When the control core activates the signal DEV_OFF When the voltage control applies the signal REG OFF because the battery voltage gets too low during battery operation The Voltage Control controls the battery voltage during battery Operation The signal BATT LEV2 indicates that the battery charge has gone down and the device should be connected to the line power soon The signal BAT_LEV1 indicates that the battery has been discharged almost completely the device should be connected to the line power immediately otherwise the device will shut down within few minutes If battery discharge is continued without connecting to the line power the signal REG OFF is activated and the device is switched off 2 8 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description PCB Control 65 CI ECG Recording and Front End Processing The patient input is classified as being cardiac floating and is defibrillation proof The patient leads are
70. olerance specifications may need to be modified Revision A MAC 1200 resting ECG analysis system 7 3 2012250 095 Service and Maintenance Technical Inspections Preventative Maintenance Visual Check Device and accessories should be checked for the following m Fuse cartridges comply with vendor s specifications m Labels and inscriptions on the device relating to safety are clearly legible The mechanical state of the device permits its further use There is no product deterioration dirtiness dents rough edges etc which could cause any reduction in safety Test Functions Recommended Testing Instruments and Accessories 1x Multi parameter simulator Lionheart lx RS232 interface connector with internal connection between pins 2 and 3 TXD and RXD Ix Patient trunk cable and customer electrode leads or 1X patient trunk cable 10 pin 223 387 01 Test Preparations In general the device test functions implemented in MAC 1200 resting ECG analysis system are used for the tests See Chapter 3 System Test Function for details Connect MAC 1200 resting ECG analysis system up to the mains the green LED for standby must glow Switch the device on the self test runs automatically no error message should appear When the self test has finished the device is in the automatic mode the yellow LED indicating disabled operating mode should still be glowing Modifications in the user programmed configurat
71. on A 2012250 095 System Test Function Pace Enhance Pace Enhance Beginning with software release V5 2 the Pace Enhance mode can no longer be set in the service mode It is accessible in the user mode under System Setup Pace Enhancement YES or NO Revision A MAC 1200 resting ECG analysis system 3 19 2012250 095 System Test Function Serial Number Serial Number The serial number of the device is displayed by pressing the N key The serial number is only displayed and cannot be changed The serial number is entered during the manufacturing process After replacing the PCB Control CS_CI during the power up sequence the serial number of the device has to be entered Terminate with the X key 3 20 MAC 1200 resting ECG analysis system Revision A 2012250 095 System Test Function Ergometer Treadmills APAN Device Model Only Ergometer Treadmills JAPAN Device Model Only Enable or disable ergometer treadmill functionality in the Japanese device model by pressing the O key The following display image appears Table 12 Ergometers Treadmills 1 YES drivers are available in Stress Test mode 2 NO not available Revision A MAC 1200 resting ECG analysis system 2012250 095 System Test Function ACI TIPI US Device Models Only ACI TIPI US Device Models Only Enable or disable ACI TIPI functionality by pressing the O key the follo
72. on Ss ee ta ie toe ea SER Month rese AE 1 3 Illustrations and Names 1 4 REVISION HIS QE Dino AMDAN A ndd adams Arena RYD CYD wey Ah 1 4 Basic Information 1 5 Variants of the MAC 1200 resting ECG analysis system 1 6 Hardware Functional Blocks isses 1 6 Block Circuit Diagram of Entire Instrument EE 1 7 Mechanical Components 94 RR RR R AER nnn 1 8 2 Functional Description 1 Basic Information 9 A ARR enn 23 Switching Power Supply FARA A RR RAE ER ER nennen nenn 2 4 PCB NC Battery Charge 9 RA enne nnne 2 5 Charging Circuit for the NC Battery cece cece cence ee 2 5 Battery Dependent Device Behavior cc cece Y FE EE ER RAD 2 6 PCB Control CS CIE 2 7 Generation of Internal Power Supplies Y FR RR RO 2 7 Switch OnlOTECIIGUIE c ug i hace RER 2 8 ECG Recording and Front End Processing 0 sce c cece RF cence 2 9 elle 2 10 RealTime Clock eg decd ee cas Houck y ay 2 11 Memory peachy ar eec TA ien WD ava ewan ae RAF Doce d 2 12 LCD Graphics Display Interface 2 12 Revision A MAC 1200 resting ECG analysis system i 2012250 095 Modem Supply RR R ARR nennen nana 2 17 Internal Interfaces isha per rcr x ek ala b E E 2 18 Mechanical 65 m cde tT RE LG e e eer E Dee EE 2 18 Electronic Interfaces zer ete a ec Cr cree 2 18 Interfaces to Peripherals gt 2 23 Electr
73. onic Interfaces 4 sees eR make Dw du ad ox ee br GY e 2 24 Limitations i vesrraa rk Si coer oaa wa EC pause aa PY dc Caes 2 26 System Test Function EE 1 General Information 7 33 Test Start ari MEM 3 4 Display Test comuni ee gen ie aa on or ae E ai oa 3 5 Contrast Control win ua br da ADUR 3 5 Keyboard Test 9 aa nennen ranas 3 6 Motor Test EE E nu nun ue er rar na 3 7 Test Results EE EEN EEN 3 8 Self Test iic dx Duros Cn FE RO ce CURRO CX KCN GET CR ERG aes 3 9 0 Aas 3 9 Recording T amp St 9 nee nna na 3 10 V24 Tests uni wu git ex evadere P vac Iona ac KC GU te 3 11 Sending and Receiving 1 3 11 Send Test String to Device 2 FF FR ER RF ER RO 3 11 Send and Receive with Device 3 aaa aac 3 12 Time and Date 9 A A AFR A AELE F REFER ER ER EFE nana 3 13 Electrode Test EEN ENEE EEN 3 14 Time Constant Baseline Roll Filter 9 RR A A RR nn 3 15 Setting the Device Model 9 9 A A ARAE nennen 3 16 Interpretation International Device Models Only s 3 18 Pace Enhance ENEE rr 3 19 SerialNumber 9 Y enema 3 20 MAC 1200 resting ECG analysis system Revision A 2012250 095 Ergometer Treadmills J APAN Device Model Only 39388 3 21 ACI TIPI US Device Models Only V KKFFEFEAF FEDDU 3 22 Pharma yoo vea eor D c n UOCE EO OC nuc RO CD UE ROT a 3 23
74. ons Replacing Components Replacing the Keypad 1 Open the device as described in Opening the Device on page 4 4 2 Replace with new Keypad FRU Assembly by connecting keypad connector in front of unit 4 Align upper shell to lower unit 5 Insert and fasten 5 screws to lower unit 4 6 MAC 1200 resting ECG analysis system Revision A 2012250 095 Repair Instructions Replacing Components Replacing the Battery 1 Disconnect and lift out the battery compartment on the underside of the device by raising the middle fastening catch 2 Remove the battery and disconnect the battery plug BATT_IN from the PCB Battery Charge WARNING Only original GE supplied batteries may be used See Chapter 8 Parts List for details Defective NC batteries or empty batteries should be disposed of in accordance with the applicable legal stipulations or returned to the factory Batteries returned to the factory should be labeled For disposal 3 Before putting in the new battery insert plug BATT_IN Push in battery compartment secure by pressing on the fastening catch Replacing the PCB Battery Charge 1 Open the device 2 Open the battery compartment and disconnect the battery connector BATT IN See Replacing the Battery on page 4 7 for details 3 Disconnect the connector BATT from the PCB Control 4 Undo the fastening screw next to the inductor L1 on PCB Battery Charge
75. or higher 8 8 MAC 1200 resting ECG analysis system Revision A 2012250 095 Parts List Field Replaceable Units FRUs Table 12 Electronic Components PCBs Part Number Description 91541936 Line filter with fuse holder 30344270 Battery 38803290 PCB battery charging old board 93011858 PCB power supply 91208449 FuseT 125A 92916717 Battery 3 V 0 255 Ah 30344291 Pump 12 V Standard 38803125 PCB Pump Table 13 Display Module Graphics Part Number Description 2007630 001 Assembly LCD Module Graphic replace display PN 93011717 43252565 LCD holder right side 43252564 LCD holder left side Table 14 Wire Set Part Number Description 38327399 Cable assembly MAC 1200 resting ECG analysis system 38327409 Wire set assembly for PCB mainboard Revision A MAC 1200 resting ECG analysis system 8 9 2012250 095 Parts List Field Replaceable Units FRUs Table 15 Connection Cable for MAC 1200 resting ECG analysis system Part Number Description 22336203 Connection cable 5M CardioS mart 22337801 Connection cable from MAC 1200 to Modem 9 pin connector 22337802 Connection cable from MAC 1200 to Modem 25 pin connector cable modem CardioS mart 22337804 Connection cable from MAC 1200 to Modem 25 pin with supply US only 22336604 Connection cable from MAC 1200 resting ECG analysis system to
76. r for 7 keypad rows and the control signals for the status LEDs LED LIN LED BATT LED START and LED STOP Using the matrix of 8 x 7 up to 56 keypads can be detected Identification of the key pressed is as follows m The controller activates a column activation is via low level then the row register is read to identify the pressed key by a low level This procedure is repeated with the next column till all columns have been activated The printhead controller takes on the complete control of the 216 mm thermal printhead with a line width of 200 mm The output rate to the printhead is 1000 second The resolution in the Y direction is 8 dots mm in the X time axis up to 40 dots mm Thermal Printhead Dot Control The MPC855T prepares a complete dot column and sends it to the FIFO An FPGA reads out a complete column of the FIFO and generates the digital control signals for the printhead which are shifted in series The duration of heating a dot column is defined through the pulse width of the PWM Signal HEAT that is generated from the FPGA too In addition the duration of heating a dot column is influenced by the thermal printhead monitoring 2 14 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description PCB Control 65 CI Thermal Printhead Temperature Monitoring Motor Control The thermal printhead temperature monitoring measures the temperature of the thermistor located on the p
77. re not implemented in the MAC 1200 resting ECG analysis system No SpO2 No spirometry No late potentials no RR variability No phono no US Doppler A scope output is not available No analog inputs No ECG trigger output Lead acid accumulators cannot be used Primary cells cannot be used 2 26 MAC 1200 resting ECG analysis system Revision A 2012250 095 3 System Test Function evision MAC 1200 resting ECG analysis system 2012250 095 For your notes 3 2 MAC 1200 resting ECG analysis system 2012250 095 Revision A System Test Function General Information General Information NOTE The master password used to override all other passwords is SYSTEM All messages displayed during the self test are in English The functions for the system test are mostly menu guided Some tests reguire special auxiliary resources These include interface testers or PC connection cables signal generators etc These auxiliary resources are described in the various test descriptions Revision A MAC 1200 resting ECG analysis system 3 3 2012250 095 System Test Function Test Start Test Start After simultaneously pressing the keys Shift 12 Lead or Auto the initial display menu appears so you can select a specific test The specific test functions are activated by pressing the corresponding key Table 1 Hardware Tests International ver
78. rinthead A constant current source effects a temperature dependent voltage drop If a printhead temperature of 559C is exceeded the signal REC_OVHEAT is activated and the heating of the printhead is prevented by disabling the signal STROBE Only when the printhead temperature drops below 50 C is the signal REC_OVHEAT disabled and the heating via the signal STROBE reenabled In addition a continuous reduction of the heating duration occurs with increasing printhead temperature resulting in a regular typeface throughout the entire temperature range Paper transportation for the speeds 5 mm s 25 mm s and 50 mm s is driven by a stepping motor The stepping motor is controlled by an integrated stepping motor driver circuit The current for the motor is adjusted by the sense resistors of the stepping motor driver For the speed 5 mm s the motor current is reduced triggered by the signal LOW_SPEED The motor speed is controlled by the frequency of the signal RECTMR_STEP which is generated by the timer unit of the MPC855T The driver circuit is enabled by the signal REC_MOTEN the driver is powered from 22 5 V Revision A MAC 1200 resting ECG analysis system 2 15 2012250 095 Functional Description PCB Control 65 CI RS 232 Interface The MAC 1200 resting ECG analysis system has an RS 232 interface accessible with a 9 pin Sub D connector Except for the RS 232 driver chip the interface is integrated into the co
79. rmation The suggested safety analysis tests refer to the international standard IEC 601 1 The tests are generally performed with safety testers the measuring circuits of most of which are calibrated according to IEC 601 The following is a general description of the tests to be performed for the handling of your Safety Tester follow the user manual The tests may be performed under normal ambient conditions of temperature humidity and pressure and with line voltage The leakage currents correspond to 11096 of rated voltage for the tested unit Most safety testers take this into account otherwise the measured values have to be calculated Recommended Test Eguipment m Safety tester for measurements according to IEC 601 m Testing connector according to the following description Protective Earth Resistance Test The power cord is to be included in the protective earth resistance test This test determines whether the device has a power ground fault m The protective earth resistance from power connector to any protective earth connected exposed conductive part is measured m Specification of test circuit AC current source 50 Hz 60 Hz of at least 10 A up to 25 A with limited output voltage of 6 V m Ifresistance is greater than 100 mOhm the unit fails this test 0 015 uF Measuring Device Ri gt 1 MQ 020A Measurement of Leakage Current To perform the suggested measurements the unit being tested ha
80. rred to chassis 1500 V m Pulse voltage resistance of all lead electrode connections and of the neutral electrode connection referred to chassis either polarity e g defibrillation 5000 V Monitoring of each electrode for open leads RA LA LL RL V1 V2 V3 V4 V5 V6 audio signal at printer start Revision A MAC 1200 resting ECG analysis system 9 5 2012250 095 Specifications Basic Information Data Interface One serial RS232 interface for exchange of data with suitable external devices and software handshake RS232 interface standard V 24 interface m Input voltage range 15 V maximum Output voltage range 5 V minimum Interface protected from electrostatic discharge for 10 kV maximum Pin Assignment of Data Port 5 circuit reference 3 TXDE 2 RXDE I IS ONO 8 RXDE 6 modem supply 001A Remote Start Hardware Paper feed via remote control connection depending on selected operating mode External make contact referred to chassis via circuit reference Source impedance Ri lt 300 Q m Contact dwell 100 ms m Non destructive load 10 V m ESD interface protection up to 10 kV 9 6 MAC 1200 resting ECG analysis system Revision A 2012250 095 Specifications Basic Information Signal Transmission Patient Input to Recording After lead formation and digitization simultaneous transmission of all electrode signals to the digita
81. s 60 Hz 3 Europe 2 12SL internationa international yes 50 Hz 4 Japan 12SL internationa e jap no 50 Hz 5 RUSS HEART internationa er no 50 Hz 6 Pharma 12SL USA e no 60 Hz Language international g e f i s por sw nor fin dan hol czech hung Europe 2 United Kingdom Benelux Scandinavia The required device model is selected by pressing the appropriate key 1 to 6 Quit selection menu by pressing the X key Quit the self test with X key MAC 1200 resting ECG analysis system configures the appropriate items and initiates a cold start automatically Thus when the device is rebooted automatically all the new settings are adopted Selecting a particular device model leads to the configuration of the program for interpretation as indicated in the table above even when the interpretation program was configured differently beforehand as described in Interpretation International Device Models Only on page 3 18 NOTE When configuring the device model saved ECGs are not lost If a new device model is selected the program for interpretation is switched over When printing the saved ECGs the display in the status line is related to the currently enabled program for interpretation although the results are based on the program previously configured In this case the saved ECGs should be printed out or transferred to a PC before configuration of the new model Revision A MAC 1200 resting ECG analysis system 3 17 2012250 095 S
82. s need to be observed m Replacement by factory or servicing agent only m Disconnect mains plug m Replacement only with the original fuses For the patient input the mechanics of the patient input of the MAC 500 is used so the patient cables of the MAC 1000 CardioSmart cannot be used for the MAC 1200 resting ECG analysis system A 9 pin sub D Connector type Mark II with 4 40 UNC inserts with a standard configuration of the signals TXD RXD and GND is implemented in the construction of the RS 232 interface Revision A MAC 1200 resting ECG analysis system 2 23 2012250 095 Functional Description Interfaces to P eripherals Electronic Interfaces RS 232 Interface The 9 pin sub D Connector of the RS 232 interface is implemented on the PCB Control CS_CI directly From Version V1 1 the remote start input pin is available on pin 8 In MAC1200 US devices the modem supply output 8 V is available on pin 6 additionally Connector denotation RS232 Type 9 pin sub D female Mark II with 4 40 UNC inserts The function of the individual pins is given in the table below The definition as an input output is seen with reference to PCB Control CS_CI RS232 Table 2 RS232 Pin Position Pin Number Signal Input Output Function Definition 1 NC 2 RXDE Input RS232 Data In 3 TXDE Output RS232 Data Out 4 NC 5 GND Signal Ground 6 V_MODEM Output Modem Supply 8 V M
83. s to be separated from any interconnection to a system If the unit is part of a system extended tests according to IEC 601 1 1 have to be performed The diagram on the following page shows the Measuring Circuit M reguired for leakage current The reading in mV corresponds to mA leakage current The safety testers generally work with this Measuring 7 8 MAC 1200 resting ECG analysis system Revision A 2012250 095 Service and Maintenance Technical Inspections Preventative Maintenance Circuit M and the displayed values are already converted to leakage current Enclosure Leakage Current Test This test is performed to measure leakage current from chassis to ground during normal condition N C and single fault conditions S F C In all cases the leakage current is measured from any exposed conductive parts to ground the unit being tested has to be switched on and off Connect the unit being tested to your safety tester During normal condition N C measurements have to be done under the following conditions refer to the electrical diagram Polarity switch Norm and RVS GND switch GND closed 1 closed and open m During single fault conditions S F C measurements have to be done under the following conditions refer to the electrical diagram Polarity switch NORM and RVS GND switch GND open 1 closed The test has failed if the measured values are greater than the following N C S F
84. sion US version Key Test Performed Key Test Performed 1 Display test 1 Display test 2 Keyboard 2 Keyboard 3 Motor test 3 Motor test 4 Test results 4 Test results 5 Recording test 5 Recording test 6 V24 tests 6 tests 7 Time and date 7 Time and date 8 Electrode test 8 Electrode test D Device model D Device model H Interpretation N Serial number N Serial number O ACI TIPI O Ergometer Treadmill X End Terminate hardware tests X End Terminate hardware tests 1 Applies to all device variants except US and Pharma 2 Applies to US and Pharma device variants 3 Applies to J apan device variant 3 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 System Test Function Display Test Display Test Contrast Control After pressing the 1 key the following menu appears Table 2 Display Test this key Key Test Performed Function 1 Test pattern Pressing this key generates a vertical stripe pattern Each subsequent pressing generates the inverse display of its predecessor 2 Clear display All display pixels are inactive 3 Restore menu The initial display test menu is displayed 4 Display illumination The illumination is switched on or off by pressing Contrast control m Shift Cursor Down m Shift Cursor Up Terminate with any key Pressing any other key than one of those listed in the menu above leads back to the initial display
85. sting ECG analysis system is a portable electrocardiograph with an integrated printing unit It is used to acguire record and process ECG signals The integrated LCD graphics display shows three ECG channels It also displays status information filter settings speed format gain and the status of the electrodes With the setup feature users can set up the device and the modes for his own needs The MAC 1200 resting ECG analysis system offers three modes of operation International USA Automatic 12 lead Manual 6 lead Arrhythmia Arrhythmia ECGs acguired in automatic 12 lead mode can be transmitted to the MUSE or CardioSys system directly or via modem A NC battery with a charging circuit is integrated into the unit In addition a pump for the KISS system can be integrated into the instrument as a separate option NC battery with charging circuit is integrated in general Automatic mode with CSI protocol for transmission Automatic mode with interpretation Option Code Automatic mode with storage for up to 40 ECGs Option Code The acquired ECGs can be transmitted to MUSE or CardioSys directly or via a Modem Additionally the MAC 1200 ST can run stress test operating mode Option Code To control stress test devices the MAC 1200 ST has a modified keyboard with additional keys for stress test Revision A MAC 1200 resting ECG analysis system 1 5 2012250 095 The Basics Basic Informatio
86. t Set the time and date For setting the date and time see Chapter 3 Time and Date section for details If known adopt the user programmed configuration otherwise default setting After the motor is replaced there is no need to adust the speed Nevertheless it is advised that you run the motor test See Chapter 3 Motor Test section for details 4 8 MAC 1200 resting ECG analysis system Revision A 2012250 095 Repair Instructions Replacing Components Replacing the Graphics Display Follow these instructions to replace the graphics display 1 2 3 4 Open the device Open connector HOS and release the flat ribbon cable of the display Undo the screws of both plastic display holders Shift the display 2 mm in the direction to the handle and lift up display and holders Disconnect the plug HOS_BL To reassemble reverse these instructions Adjust the contrast with the new display Revision A MAC 1200 resting ECG analysis system 4 9 2012250 095 Repair Instructions Replacing Components For your notes 4 10 MAC 1200 resting ECG analysis system Revision A 2012250 095 D Troubleshooting Revision A MAC 1200 resting ECG analysis system 2012250 095 5 1 For your notes b 2 MAC 1200 resting ECG analysis system Revision A 2012250 095 Troubleshooting Basic Information Basic Information Repairs may only be conducted by approved serv
87. t length of approximately 45 m Paper width 8 5 inch Sheet length 11 inch To prevent damage to the printhead use only the original GE CONTRAST paper or the GE thermal paper with queue holes or marks Revision A MAC 1200 resting ECG analysis system 9 3 2012250 095 Specifications Basic Information Paper Transport m Paper speed 5 25 50 mm s key selectable Error limits at 25 and 50 mm s typ 1 at 5 mm s 1096 maximum m At paper end the recorder emits an audio signal and stops recording the last pages of the pad bear a colored stripe in the lower margin Membrane Keypad Pushbuttons with tactile feedback Function keys for all routine operations m Alphanumeric keyboard for entry of text Display Graphics display with 24 x 40 characters contrast adjustment Resolution of 320 x 240 pixels with display backlighting Indicators LEDs For mains power battery status and start stop function Automatic Functions Automatic functions assist and facilitate operation by the following m Automatic control of lead selection paper feed calibration configurable Report formatting configurable Automatic baseline adjustment Anti drift system cubic spline compensating for polarization voltage fluctuations configurable 9 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 Specifications Basic Information Detection of Pacer Pulses m Pulse length between 0 1 and
88. to press and hold down the Ctrl key while pressing the Esc key Indicates you must press the spacebar When instructions are given for typing a precise text string with one or more spaces the point where the spacebar must be pressed is indicated as Space The purpose of the gt lt brackets is to ensure you press the spacebar when required Indicates you must press the Enter or Return key on the keyboard Do not type enter Revision A MAC 1200 resting ECG analysis system 1 3 2012250 095 The Basics About This Manual lllustrations and Names Revision History All illustrations in this manual are provided as examples only They may not necessarily reflect your monitoring setup or data displayed on your monitor In this manual all names appearing in examples and illustrations are fictitious The use of any real person s name is purely coincidental This manual has a revision letter located at the bottom of each page This revision letter changes whenever the manual is updated Revision A is the initial release of the document Table 1 Revision History PN 2012250 095 Revision Date Comments A 22 May 2007 Initial release of this manual 1 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 The Basics Basic Information Basic Information This service manual describes software version 6 of MAC 1200 resting ECG analysis system The MAC 1200 re
89. unctional Description Internal Interfaces In Circuit Programming Port With the In Circuit Programming Port both CPLDs can be programmed or updated in a Daisy Chain queue Connector denotation ISP Type Male connector 2 x 5 pin 180 Pin 4 coding pin The function of the individual pins is given in the following table The definition as an input output is seen with reference to PCB Control CS CI ISP Pin Number Signal Input Output Function Definition 1 ISP_SCLK Input Serial ISP Clock 2 GND Logic Ground 3 ISP_MODE Input ISP Mode Select 4 NC Not connected 5 NC Input Not connected 0 ISP enable 6 ISP_SDI Input Serial Data In 7 ISP_SDO Output Serial Data Out 8 42 5V Logic supply 9 NC 10 NC 2 22 MAC 1200 resting ECG analysis system Revision A 2012250 095 Functional Description Interfaces to P eripherals Interfaces to Peripherals The MAC 1200 resting ECG analysis system has only 3 interfaces for peripherals m Mains input m Patient input m RS 282 interface The mains input interface on the device is a 3 pin standard cold appliance socket connection which is integrated into the mains input module Connection to the mains is effected via a 3 pin power cord with a non fused earth conductor The mains input is a wide range input from 95 Vac 240 Vac The mains input module contains the two primary fuses When replacing these fuses the following point
90. vision A 2012250 095 The Basics About This Manual About This Manual Manual Purpose Intended Audience Definitions Black text Italicized text Ctrl Esc lt Space gt Enter This manual supplies technical information for service representative and technical personnel so they can maintain the equipment to the assembly level Use it as a guide for maintenance and electrical repairs that are considered field repairable Where necessary the manual identifies additional sources of relevant information and or technical assistance See the operator manual for the instructions necessary to operate the equipment safely in accordance with its function and intended use This manual addresses both MAC 1200 1200ST units international units and MAC 1200 units USA units Information that is specific to either unit is identified This manual is intended for the person who uses maintains or troubleshoots this equipment The following formats are used in this manual to highlight various web viewer features and functions Indicates keys on the keyboard text to be entered or hardware items such as buttons or switches on the equipment Indicates software terms that identify menu items buttons or options in various windows Indicates a keyboard operation A sign between the names of two keys indicates that you must press and hold the first key while pressing the second key once For example Press CtrltEsc means
91. wing display image appears Table 13 ACI TIPI 1 ENABLE 2 DISABLE X End NOTE ACI TIPI can be DISABLED in the service mode at any time independently of the the Patient Data Setup screen However if chest pain is enabled selected Yes in the Patient Data Setup screen and ACI TIPI is disabled then the chest pain option will removed from the Patient Data Setup menu When a new patient is input the chest pain guestion is still asked 3 22 MAC 1200 resting ECG analysis system Revision A 2012250 095 System Test Function Pharma Pharma High Security The MAC 1200 device variant is configured in the service mode and any MAC 1200 can be configured as a PHARMA device The Pharma device variant is designed for use by Clinical Research Organizations CROs in pharmaceutical trials MAC 1200 units with the Pharma option are configured for specific pharmaceutical trials by CROs and then sent out to trial sites to collect data The Pharma option of the MAC 1200 can be password protected HIGH SECURITY Password protection is enabled in the system setup NOTE The Pharma and HIGH SECURITY options appear only if the device has been configured as a Pharma device High Security provides the option of password protecting use of the MAC 1200 unit Any device configured with the Pharma option may enable the High Security option m When the High Security option is enabled users must provide information for t
92. with software release V5 2 the time constant can no longer be set in the service mode It is accessible in the user mode under System Setup Baseline roll filter 0 04 Hz 0 08 Hz 0 16 Hz Revision A MAC 1200 resting ECG analysis system 3 15 2012250 095 System Test Function Setting the Device Model Setting the Device Model The setting of the device model is activated by pressing the D key the following display image appears Table 9 Device Model 1 INT 2 USA 3 Europe 2 4 JAPAN 5 RUSS 6 PHARMA US devices only X End WARNING Changing the device model affects the selection of the output formats and languages available and can switch the program for interpretation from HEART to 12 SL or vice versa The default configuration settings e g override function yes no line filter 50 60 Hz are also affected The device model configured during manufacture should only be changed when deemed really necessary 3 16 MAC 1200 resting ECG analysis system Revision A 2012250 095 System Test Function Setting the Device Model The table below shows the most important combinations Table 10 Model Combinations Default Settings Device Model Interpretation Output Formats Languages Override mM Line Filter Function Enabled 1 HEART internationa international no 50 Hz 2USA 12SL USA e ye
93. ystem 2012250 095 8 3 Parts List Field Replaceable Units FRUs Field Replaceable Units FRUs High Level Assemblies Table 1 MAC 1200 Part Number Description 10116821 MAC 1200 International Basic unit with Battery Without Pump 10116822 MAC 1200 International Basic unit with Battery With Pump 10116823 MAC 1200 USA Basic unit with Battery Without Pump 10116827 MAC 1200 Russia Basic unit with Battery Without P ump 10116828 MAC 1200 Russia Basic unit with Battery With Pump 10116829 MAC 1200 Europe 2 Basic unit with Battery Without Pump 10116830 MAC 1200 Europe 2 Basic unit with Battery With Pump Table 2 MAC 1200 ST Part Number Description 10116831 MAC 1200 ST International Basic unit with Battery Without Pump 10116835 MAC 1200 ST International Basic unit with Battery With Pump 10116834 MAC 1200 ST Japan Basic unit with Battery Without Pump 10116832 MAC 1200 ST Europe 2 Basic unit with Battery Without Pump 10116836 MAC 1200 ST Europe2 Basic unit with Battery With Pump 10116837 MAC 1200 ST Russia Basic unit with Battery Without Pump 10116838 MAC 1200 ST Russia Basic unit with Battery With Pump 8 4 MAC 1200 resting ECG analysis system Revision A 2012250 095 Parts List Field Replaceable Units FRUs Table 3 MAC 1200 and MAC 1200 resting ECG analysis syste
94. ystem Test Function Interpretation International Device Models Only Interpretation International Device Models Only Switching over the program for interpretation is activated by pressing the H key the following display image appears Table 11 Interpretation 1 HEART 2 12SL X End The currently enabled interpretation program appears in reverse video WARNING Switching over to another program for Interpretation affects the measurement results and the interpretation The program for Interpretation configured during manufacture should only be changed when deemed really necessary The required program for Interpretation is selected by pressing the appropriate key 1 or 2 Quit the selection menu by pressing the X key Quit the self test with the X key MAC 1200 resting ECG analysis system configures the appropriate items and initiates a cold start automatically Thus when the device is rebooted automatically all the new settings are adopted NOTE When configuring the device model saved ECGs are not lost When printing the saved ECGs the display in the status line is related to the currently enabled program for interpretation although the results are based on the program previously configured In this case the saved ECGs should be printed out or transferred to a PC before switching over to the new program for interpretation 3 18 MAC 1200 resting ECG analysis system Revisi

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