GE ApexPro TT, Technical Manual

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Replaceable parts
2001989-351A ApexPro™ 6-25
Observe the following guidelines when handling all PCB assemblies.
„
Take precautions against electrostatic discharge damage.
„ Handle all PCB assemblies by their edges.
Hardware
„
Before disassembly, note the positions of any wires or cables, marking them if
necessary to ensure that they are replaced correctly.
„ Gray ribbon cables have retainer clips holding them in the connector.
„
Save and set aside all hardware for re-assembly.
Replace the fuse
1. Open the door on the AC inlet module to access the fuse holder.
2. Remove two fuses and replace with new on each side of the holder.
3. Close the AC inlet module doors.
Open the unit
CAUTION
EQUIPMENT DAMAGE—Power must be off to add or remove any
internal assemblies or circuit boards.
1. Turn the unit OFF at the rear power switch and disconnect the AC power cord
and all communication cables.
2. Remove 2 screws from the front cover.
3. Remove cover and set aside.