Table of Contents
Advertisement
DVD screen without going out
Is there video signal
at pin 27 of IC8504.
NO
Is there waveform
at pin 102,103,105 and
106 of IC4001.
NO
Is there waveform
at pin 120 of IC4001.
YES
Are there waveform
at line HA1-HA17.
NO
Change IC4006
TROUBLESHOOTING GUIDE
YES
YES
NO
Is X8501 oscillating?
Change IC8501.
YES
Change IC4001.
E - 3 0
Check IC8005
and peripheral circuit.
Check IC8504
and peripheral circuit.
NO
YES
Change X8501.
Advertisement
Chapters
Table of Contents
