JVC HR-XV1EU-R Service Manual page 63

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.
TROUBLESHOOTING GUIDE
Is the voltage
YES
at pin 6 of IC2603
about 1.7V?
NO
Check IC2603
and peripheral circuit.
NO
YES
Check IC4001 and
peripheral circuit.
YES
Change DVD LOADER
Check IC2603
and peripheral circuit.
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