Name: GE MAC 5500
Brand: GE
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MAC

™

5500

Resting ECG Analysis System

Service Manual

2020299-020 Revision E

GE Healthcare

Table of Contents3
Manual Information11
Revision History11
Manual Purpose11
Intended Audience11
Warnings, Cautions, and Notes12
Safety Messages13
Responsibility of the Manufacturer13
General14
Equipment Symbols15
Service Information16
Service Requirements16
Equipment Identification16
Serial Number Format17
Label Format17
General Description21
Front View21
Back View22
Connector Identification23
MAC 5500 Block Diagram24
Theory of Operation25
Overview / Block Diagram25
Power Supplies28
+3V-Emi28
Ref2V529
Vana+, Vana30
Clocks30
Super I/O and FPGA30
Cpu Atmel At91Rm920030
CPU (Stooges)31
Rtc31
Cpu31
External Bus Interface31
Boot Loader32
FPGA Internal Logic33
Board ID Register34
Xbus Controller34
Video Interface34
Interrupt Controller39
System Interrupt Timer40
Acquisition Module Interface40
Thermal Printhead Interface41
Serial EEPROM Interface41
Bbus Interface42
PWM Analog Outputs42
Beep Generator42
PC Card Logic43
Sdram43
NAND Flash43
Secure Digital Card Interface43
Serial EEPROM43
Daughter Board Interface44
VGA LCD/CRT Interface44
LCD Panel EMI Reduction Components44
CRT Video DAC / Sync / Buffers44
Acquisition Module Transceiver / Power Switch45
Transceiver45
Acquisition Power Regulator / Switch45
COMM Port Power Switch / Current Limiter / KISS Power45
Thermal Printhead Power / Pixel Test Hardware46
Super I/O Peripheral Controller46
Serial Ports (One Dual Mode RS-232 / Irda)46
Clock/Calendar47
PS2 Keyboard Port47
The Three Stooges47
Startup Self Identification47
Bbus48
Shemp48
Larry48
Moe50
Preparation for Use57
General57
Trolley Height Adjustment58
Installing the MAC 5500 Resting ECG Analysis System60
Installing the Optional External Modem Kit62
Magnetic Card Reader Installation64
Bar Code Reader Installation66
Type-S Trolley Assembly68
MAC 5500 ST Requirements and Configuration69
Compatible Blood Pressure Units69
Compatible GE Medical Systems Information Technologies Treadmills70
Analog Treadmills70
Bicycle Ergometers71
Assembly Descriptions75
Introduction75
Assembly Block Diagram75
General Fault Isolation76
Power-Up Self-Test76
Power-Up Flow Chart77
Poor Quality Ecgs78
Visual Inspection79
Diagnostic Tests80
Introduction80
Loading the System Diagnostics80
Substitute Master Password80
System Diagnostics Main Menu81
Display Tests81
Pixel Verification Test81
Grey Scale Test Patterns81
Speaker Test82
Keyboard Test82
Writer Tests83
Battery Tests85
Battery Status85
Battery Discharge Test85
Battery Charge Test86
Print Charge/Discharge Test Results86
Communication Tests86
COM Port Loopback Test86
External Modem Test87
Internal Modem Test87
Ethernet Module Test87
Acquisition Module Test87
Analog I/O Tests87
Analog Output Test87
Analog Input Test88
Dcout Loopback Test88
Ecgout/Qrstrigger Loopback Test88
Floppy Drive Tests88
Internal Memory Tests88
SD Card Tests89
Equipment Problems90
ECG Data Noise90
Missing ACI-TIPI Report90
No BP from External Device90
Treadmill/Ergometer Does Not Move90
System Errors91
Frequently Asked Questions92
Maintenance92
Save Setups92
Storing Ecgs92
Format an SD Card92
Cleaning92
Battery Capacity93
System Setup93
Location Number93
Patient Questions93
Passwords94
Clinical94
Report Format94
Hi-Res and Phi-Res94
Editing94
Entering Patient Data95
Transmission95
Losing Fields When Transmitting95
Input and Output Connectors96
A Pins (J1)96
COM1 (COM3/4) Pins (J3)96
COM2 Pins (J5)97
Analog Pins (J6)97
EXT. VID. Pins (J7)98
CPU PCB Input/Output Signals99
Battery Pack/Monitor, J299
LCD Backlight, J499
Keyboard, J899
Lcd, J10100
Power Supply/Motor, J11101
Thermal Printer, J12102
Floppy Disk Drive, J13103
Acquisition Module, J14104
Introduction107
Recommended Maintenance107
Required Tools and Supplies107
Inspection and Cleaning108
Visual Inspection108
Exterior Cleaning108
Interior Cleaning108
General108
Thermal Printhead108
Battery and Patient Cable Replacement110
Battery Replacement110
Patient Cable Replacement110
Disassembly Guidelines111
Preliminary Steps111
Trolley Disassembly111
Type-S Trolley Disassembly112
Power Supply112
Removal112
Reassembly113
Top Cover113
Removal113
Reassembly114
Display/Keyboard Assembly115
Removal115
Display/Keyboard Reassembly116
Reassembly116
Main CPU Board117
Removal of CPU Board117
Reassembly of CPU Board117
Software119
Service Only Setups120
Restore System Setups121
Restore Options121
Disable Options122
Printhead Replacement123
Removal123
Reassembly123
COMM Board Replacement123
Setting up LAN Communications124
Writer Roller/Carriage Assembly126
Removal126
Reassembly126
Trolley Casters126
Functional Checkout Procedures129
Tools130
Visual Inspection131
Checkout Procedures131
Operational Checks131
Diagnostic Tests132
Electrical Safety Checks133
Ordering Parts139
General Information139
Field Replaceable Units140
Appendix A -Abbreviations147
Standard Abbreviations149
Appendix B - Technical Specifications159
Technical Specifications161
Display161
Computerized Electrocardiograph161
Writer162
Keyboard162
Electrical162
Vectorcardiography162
Hi-Res and Phi-Res Signal-Averaged Electrocardiography163
Physical163
Environmental163
Safety165
Appendix C - Electromagnetic Compatibility167
Electromagnetic Compatibility (EMC169
Guidance and Manufacturer's Declaration - Electromagnetic Emissions169
Guidance and Manufacturer's Declaration - Electromagnetic Immunity170
Recommended Separation Distances172
Compliant Cables and Accessories173

Brand	GE
Model	MAC 5500
Category	Medical Equipment
Language	English

GE MAC 5500 Service Manual

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GE MAC 5500 Specifications

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