TM 11-5840-281-12-1
4-39.
PLUG-IN CIRCUIT CARD REPLACEMENT.
This procedure is typical for removal and replacement of plug-in circuit cards located in control-indicator and receiver-
transmitter power supplies. NSNs for replacement cards can be found in TM 11-5840-281-20P.
REMOVAL
1.
Turn off power from unit with defective card.
2.
Remove four screws (1) securing retaining straps (2) to card cage (3) and remove retaining straps.
3.
Remove defective circuit card (4).
REPLACEMENT
1.
Insert new circuit card (4).
2.
Using four screws (1), secure retaining straps (2) to card cage (3).
3.
Perform applicable power supply alinement procedure.
4-137
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