TM 5-6675-325-14
c.
d.
Disconnect front panel ribbon cables J101 and J102 from main logic PC board.
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.
Pinch plastic retainer to free main logic PC board from auto-scaler base.
Remove defective main logic PC board. Remove plastic retainers from 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.
Reinstall top on auto-scaler. Secure with four washers and screws.
Change 1
5-149
