
5-22
MAC™ 3500 Resting ECG Analysis System
Revision L
2021337-036
Maintenance:
Main CPU Board Replacement
Main CPU Board Replacement
Removal of CPU Board
NOTE
Before you begin, save the current
System Setups
to an SD card and print
System Setup
report. This will be used to restore the system setups after
replacement of the CPU board.
1. Remove the battery. See
2. Remove the top cover. See
“Keyboard/Top Cover Assembly Removal &
on page 5-14.
3. Remove COMM board. See
on page 5-30.
4. Pull up on the brown ribbon cable to disconnect it from the main CPU board.
5. Remove the three fasteners holding the acquisition board to the acquisition
board bracket and remove the acquisition board.
6. Remove the four Torx fasteners holding the acquisition board mount in place
and remove the acquisition board mount.
7. Remove the two grounding straps by removing the fasteners holding them to the
standoffs.
8. Using a 5.5mm socket wrench or small pliers, carefully remove the two ground
standoffs.
9. Disconnect the battery cable (
J2
), the power cable (
J11
), and the printhead
cable (
J12
) from the main CPU board.
10. Remove the nine Torx fasteners holding the CPU board in place.
11. Lift the board off the lower frame.
Two 5.5mm
standoffs
(grounding
straps)
Nine Torx
fasteners
Summary of Contents for MAC 3500
Page 9: ...Revision L MAC 3500 Resting ECG Analysis System 1 1 2021337 036 1 Introduction ...
Page 10: ...1 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 19: ...Revision L MAC 3500 Resting ECG Analysis System 2 1 2021337 036 2 Equipment Overview ...
Page 20: ...2 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 25: ...Revision L MAC 3500 Resting ECG Analysis System 3 1 2021337 036 3 Installation ...
Page 26: ...3 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 41: ...Revision L MAC 3500 Resting ECG Analysis System 4 1 2021337 036 4 Troubleshooting ...
Page 42: ...4 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 83: ...Revision L MAC 3500 Resting ECG Analysis System 5 1 2021337 036 5 Maintenance ...
Page 84: ...5 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 123: ...Revision L MAC 3500 Resting ECG Analysis System 6 1 2021337 036 6 Parts Lists ...
Page 124: ...6 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 153: ...Revision L MAC 3500 Resting ECG Analysis System A 1 2021337 036 A Technical Specifications ...
Page 154: ...A 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 162: ...B 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 168: ...C 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 175: ...Revision L MAC 3500 Resting ECG Analysis System Index 1 2021337 036 Index ...
Page 176: ...Index 2 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 For your notes ...
Page 178: ...Index Index 4 MAC 3500 Resting ECG Analysis System Revision L 2021337 036 ...
Page 179: ......