Do not playback DVD
Does display "Please
Check Disc" after reading
?
NO
Are there oscillate
at pin 29, 30 of IC2603 ?
YES
Are there waveform
at line of DVD DATA 0-7 ?
NO
Check IC2001
and peripheral circuit.
1-62
TROUBLESHOOTING GUIDE
Is the voltage
YES
at pin 6 of IC2603
about 1V?
NO
Check IC2603
and peripheral circuit.
NO
YES
Check IC4001 and
peripheral circuit.
YES
Change DVD LOADER
Check IC2603
and peripheral circuit.