USB slot Material number Connection
8 712980 MCE to communications board
9 n/a none
10 715891 MCE to handle module PCBA
11 713282 MCE to communications
Replace the power button
Complete the following preliminary steps:
• Power down the system and disconnect the AC power cord.
• Remove the system from the wall and remove the battery.
• Remove the handle module assembly.
• Open the chassis.
• Remove the modules in the bottom housing.
• Remove the module well.
1. Disconnect the power button flex cable from the main board at J6.
2. Peel off and discard the power button from the front housing.
3. Thoroughly clean the housing surface with isopropyl alcohol before applying the new
power button.
4. Completely remove the adhesive from the rear of the new power button.
5. Route the power button flex cable through the slot on the front of the system and
firmly press the power button in the recessed well of the front housing.
6. Connect the power button flex cable to J6 on the main board.
Replace the front housing
Complete the following preliminary steps:
•
Power down the system and disconnect the AC power cord.
• Remove the modules in the main housing.
• Remove the system from the wall and remove the battery.
• Remove the handle module assembly.
• Open the chassis.
• Remove the light bar.
Service manual Section A 99
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