TM 5-6675-324-14
c.
Disconnect front panel ribbon cables J101 and J102 from main logic PC
board.
d.
Disconnect scaler board ribbon cable J104 and rear panel ribbon cable
J103 from main logic PC board.
Remove screw and nut from upper right corner of main logic PC board.
e.
Pinch plastic retainers to free main logic PC board from auto-scaler
f.
base.
Remove plastic retainers from
Remove defective main logic PC board.
board.
Install plastic retainers in auto-scaler base.
Press new main logic PC board onto plastic retainers in auto-scaler
base.
Reinstall screw and nut on upper right corner of main logic PC board.
Reconnect rear panel ribbon cable J103 and scaler board ribbon cable
J104 to main logic PC board.
Reconnect front panel ribbon cables J101 and J102 to main logic PC
board.
Reinstall front panel on auto-scaler frame. Secure with four screws.
5-149
