Table of Contents
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DVD/CD ANALOG AUDIO DOES
NOT APPEAR
Are there waveform
at pin 136,139 and 141
of IC4001 ?
YES
Are there waveform
at pin 20,23 of IC8503 ?
YES
Is the voltage at pin 3
of CP8502 about 5V ?
YES
Check IC8503
and peripheral circuit.
TROUBLESHOOTING GUIDE
NO
Are there waveform
at line of DVDDATA0-7?
Check IC2001
and peripheral circuit.
NO
NO
E - 3 2
YES
NO
Change IC8503
Check IC8004
and peripheral circuit
Change IC4001
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