TM 5-6675-325-14
5-20.5 Replace Rear Input PC Board.
MOS: 35E, Special Electronic Devices Repairer
TOOLS: 3/16 in. Flat Tip Screwdriver
No. 2 Cross Tip Screwdriver
SUPPLIES:
Rear Input PC Board
a . Remove four screws and washers from top of auto-scaler. Lift off top.
b. Disconnect rear panel ribbon cable J103 from main logic PC board.
c.
Loosen OFF/E2/E1 knob locknut.
Remove 0FF/E2/E1 knob, locknut, and
washer from back panel.
d. Remove three rear input PC board mounting screws and nuts from back
panel .
Remove defective rear input PC board.
e.
Secure new rear input PC board on back panel with three nuts and screws.
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