26
AV-20FD22
TROUBLESHOOTING GUIDE
NO OSD
YES
NO
YES
NO
Check the pin25 of IC101 and
IC601 associatedcircuit.
Is there the waveform
of 22,23 and also
24PIN of IC101?
Check IC601 associated
circuit.
Is there the waveform
of 20,21 and also
22PIN of IC601?
Check IC601 associated
circuit.