Sony FPF55C17196UA Service Manual page 38

(3)
Panel is defective.
(Panel chassis is
defective.)
(4)
Turn off the power.
Replace ABUSD board (Backup part).
Turn on the power.
Normal?
Turn off the power.
Replace LOGIC board (Backup part).
Turn on the power.
Normal?
Turn off the power.
Replace signal cables between LOGIC
and ABUS.
Turn on the power.
Normal?
Y
ABUSD board is
N
Y
LOGIC board is
N
Y
Signal cable is
N
ADM is defective.
(Panel chassis is
-34-
defective.
defective.
defective.
defective.)
Turn off the main power.
End of analysis