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GE MAC 5000 Service Manual
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Revision B
MAC
™
5000 resting ECG
analysis system
5-29
2024917-010
T
rou
bleshooting:
CPU PCB Input/Output Signals
17
G4
18
G5 (MSB)
19
Ground
20
B0 (LSB)
21
B1
22
B2
23
B3
24
B4
25
B5 (MSB)
26
Ground
27
Data Enable
28
3V Power
29
3V Power
30
NC
31
NC
Power Supply/Motor, J11
Pin No.
Signal
1
Motor Encoder B
2
5V Power
3
Motor A
4
Motor Encoder A
5
Ground
6
Motor B
7N
C
8
28V Power
9
Ground
10
Battery Charge LED
11
28V Power
12
Ground
13
Door Open Detect
14
Ground
LCD, J10 (Continued)
130
132
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
9
Manual Information
11
Revision History
11
Manual Purpose
11
Intended Audience
11
Warnings, Cautions, and Notes
12
Safety Messages
13
Responsibility of the Manufacturer
13
General
14
Equipment Symbols
15
Service Information
17
Service Requirements
17
Equipment Identification
17
Format a
18
Format B
19
Format C
19
2 Equipment Overview
21
General Description
23
Front View
23
Back View
23
Connector Identification
24
Detailed Description
25
Block Diagram
25
Theory of Operation
26
Overview / Block Diagram
26
Power Supplies
29
+3V-Emi
29
Ref2V5
30
Vana+, Vana
31
Clocks
31
Super I/O and FPGA
31
Cpu Atmel At91Rm9200
31
CPU (Stooges)
32
Rtc
32
Cpu
32
External Bus Interface
32
Boot Loader
33
FPGA Internal Logic
34
Board ID Register
35
Xbus Controller
35
Video Interface
35
Interrupt Controller
41
System Interrupt Timer
42
Acquisition Module Interface
42
Thermal Printhead Interface
43
Serial EEPROM Interface
44
Bbus Interface
44
PWM Analog Outputs
44
Beep Generator
45
PC Card Logic
45
Sdram
45
NAND Flash
46
Secure Digital Card Interface
46
Serial EEPROM
46
Daughter Board Interface
46
VGA LCD/CRT Interface
47
LCD Panel EMI Reduction Components
47
CRT Video DAC / Sync / Buffers
47
Acquisition Module Transceiver / Power Switch
48
Transceiver
48
Acquisition Power Regulator / Switch
48
COMM Port Power Switch / Current Limiter / KISS Power
48
Thermal Printhead Power / Pixel Test Hardware
49
Super I/O Peripheral Controller
49
Floppy Drive Support
49
Serial Ports (One Dual Mode RS-232 / Irda)
50
Clock/Calendar
50
PS2 Keyboard Port
50
The Three Stooges
50
Startup Self Identification
51
Bbus
51
Shemp
51
Larry
52
Moe
53
3 Installation
59
Preparation for Use
61
General
61
Trolley Height Adjustment
62
Installing the MAC 5000
64
Installing the External Modem Kit
66
Magnetic Card Reader Installation
68
Bar Code Reader Installation
70
Type-S Trolley Assembly
72
MAC 5000 ST Requirements and Configuration
73
Compatible Blood Pressure Units
73
Compatible GE Medical Systems Information Technologies Treadmills
74
Analog Treadmills
74
Bicycle Ergometers
75
4 Maintenance
77
Introduction
79
Recommended Maintenance
79
Required Tools and Supplies
79
Inspection and Cleaning
80
Visual Inspection
80
Exterior Cleaning
80
Interior Cleaning
80
General
80
Thermal Printhead
81
Battery and Patient Cable Replacement
82
Battery Replacement
82
Patient Cable Replacement
82
Disassembly Guidelines
83
Preliminary Steps
83
Trolley Disassembly
83
Type-S Trolley Disassembly
84
Power Supply
84
Removal
84
Reassembly
85
Top Cover
86
Removal
86
Reassembly
87
Display/Keyboard Assembly
88
Removal
88
Display/Keyboard Reassembly
89
Reassembly
89
Main CPU Board
90
Removal of CPU Board
90
Reassembly of CPU Board
90
Software
92
Service Only Setups
94
Restore System Setups
94
Restore Options
95
Printhead Replacement
96
Removal
96
Reassembly
96
Diskette Drive Removal/Replacement
96
Writer Roller/Carriage Assembly
97
Removal
97
Reassembly
97
Trolley Casters
98
Domestic Electrical Safety Tests
100
AC Line Voltage Test
100
Leakage Tests
101
5 Troubleshooting
103
Assembly Descriptions
105
Introduction
105
Assembly Block Diagram
105
General Fault Isolation
106
Power-Up Self-Test
106
Power-Up Flow Chart
107
Poor Quality Ecgs
107
Visual Inspection
108
Diagnostic Tests
109
Introduction
109
Loading the System Diagnostics
109
Substitute Master Password
109
System Diagnostics Main Menu
110
Display Tests
110
Pixel Verification Test
110
Grey Scale Test Patterns
110
Speaker Test
111
Keyboard Test
111
Writer Tests
112
Battery Tests
114
Battery Status
114
Battery Discharge Test
114
Battery Charge Test
116
Print Charge/Discharge Test Results
116
Communication Tests
116
COM Port Loopback Test
116
External Modem Test
117
Internal Modem Test
117
Ethernet Module Test
117
Acquisition Module Test
117
Analog I/O Tests
117
Analog Output Test
117
Analog Input Test
118
Dcout Loopback Test
118
Ecgout/Qrstrigger Loopback Test
118
Floppy Drive Tests
118
Diskette Format Failure
118
Internal Memory Tests
119
SD Card Tests
119
Equipment Problems
120
ECG Data Noise
120
Missing ACI-TIPI Report
120
No BP from External Device
120
Treadmill/Ergometer Does Not Move
120
System Errors
121
Frequently Asked Questions
122
Maintenance
122
Save Setups
122
Storing Ecgs
122
Format a Disk
122
Cleaning
122
Battery Capacity
123
System Setup
123
Location Number
123
Patient Questions
123
Passwords
124
Clinical
124
Report Format
124
Hi-Res and Phi-Res
124
Editing
124
Entering Patient Data
125
Transmission
125
Losing Fields When Transmitting
125
Input and Output Connectors
126
A Pins (J1)
126
COM1 (COM3/4) Pins (J3)
126
COM2 Pins (J5)
127
Analog Pins (J6)
127
EXT. VID. Pins (J7)
128
CPU PCB Input/Output Signals
129
Battery Pack/Monitor, J2
129
LCD Backlight, J4
129
Keyboard, J8
129
Lcd, J10
130
Power Supply/Motor, J11
131
Thermal Printer, J12
132
Floppy Disk Drive, J13
133
Acquisition Module, J14
134
6 Parts List
135
Ordering Parts
137
General Information
137
Field Replaceable Units
138
Appendix A - Abbreviations
143
Appendix B - Technical Specifications
157
Display
157
Computerized Electrocardiograph
157
Writer
158
Keyboard
158
Electrical
158
Vectorcardiography
158
Hi-Res and Phi-Res Signal-Averaged Electrocardiography
159
Physical
159
Environmental
159
Safety
161
Appendix C - Electromagnetic Compatibility
163
Electromagnetic Compatibility (EMC
165
Guidance and Manufacturer's Declaration - Electromagnetic Emissions
165
Guidance and Manufacturer's Declaration - Electromagnetic Immunity
166
Recommended Separation Distances
168
Compliant Cables and Accessories
169
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Operator's Manual
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GE MAC 5000 Specifications
General
Brand
GE
Model
MAC 5000
Category
Medical Equipment
Language
English
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