Main Cpu Board; Removal Of Cpu Board; Reassembly Of Cpu Board - GE MAC 5000 Service Manual

Main CPU Board

Removal of CPU Board

Reassembly of CPU Board

4-14
Maintenance: Disassembly Guidelines
NOTE
Before you begin, save the current System Setups to a diskette and
print System Setup report. This will be used to restore the system
setups after replacement of the CPU board.
If the system cannot be powered on, you may want to save the system
setups from another MAC 5000 that has identical system setups.
1. Remove the battery.
2. Remove the top cover assembly following the procedures in
Cover" on page 4-10.
3. Remove the display/keyboard assembly following the procedures in
"Display/Keyboard Assembly"
4. Disconnect all remaining cable connections to the main PCB.
These include cables to the following:
power supply
printhead
battery connect PCB
floppy drive
acquisition module cable
5. With a TORX driver, remove the mounting screws holding the main
PCB in place. They are located around the outside edges of the main
PCB. Set screws aside for mounting new board.
6. Unlock the floppy cable connector by lifting the connector lock.
7. Remove the harness cable.
8. Lift the main PCB from the unit.
1. Insert the new CPU board in place and mount using the screws set
aside during disassembly.
2. Reassemble the top cover and display/keyboard assemblies by
reversing the steps for removal.
MAC™ 5000 resting ECG analysis system
2024917-010
on page 4-12.
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Revision B