TM 5-6675-323-14
c.
D i s c o n n e c t front panel ribbon cables J101 and J102 from main logic PC
board.
d. Disconnect scaler board ribbon cable J104 and rear panel ribbon cable
J 1 0 3 from main logic PC board.
e.
R e m o v e screw and nut from upper right corner of main logic PC board.
f. Pinch plastic retainers to free main logic PC board from auto-scaler
base.
Remove defective main logic PC board. Remove plastic retainers from
g.
board.
h.
Install
plastic
retainers
in
auto-scaler
base.
i.
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.
j.
k. Reconnect rear panel ribbon cable J103 and scaler board ribbon cable
J 1 0 4 to main logic PC board.
l.
R e c o n n e c t front panel ribbon cables J101 and J102 to main logic PC
board.
m.
Reinstall front panel on auto-scaler frame. Secure with four screws.
n.
Reinstall top on auto-scaler. Secure with four washers and screws.
9-149
