Sharp LC-26SH12U - 26" LCD HDTV Service Manual page 24

THE PICTURE DOES NOT
APPEAR (2)
Is there signal at pins
33 and 35 of IC701?
Yes
Is there signal at pins
A9 and A13 of IC2401?
No
Is there signal at
C2528 and C2532?
No
Check C2528, C2532
and peripheral circuit.
TROUBLESHOOTING GUIDE
No
Yes
Yes
E-4
Check IC701 and
peripheral circuit.
Check IC2401 and
peripheral circuit.
Check IC2401 and
peripheral circuit.