JVC HR-XVC25US Service Manual page 42

AT PLAYBACK AND RECORDING,
CYLINDER MOTOR UNLOAD
Is the voltage at pin 8 of
CP3001 about DC12.6V?
In playback,is at pin 12 of
CP3001 about DC2.6V?
Check the DECK BLOCK.
PLAYBACK PICTURE IS NOISY
(EVEN AFTER CLEANING HEADS)
Is noisy a wave of video
signal at pin 26 of IC101?
Is noisy a wave of video signal
of EMITTER of Q8004
Check J8001.
1-38
TROUBLESHOOTING GUIDE
NO
YES
NO
YES
NO
YES
YES
NO
Check IC502.
Check IC3001.
Check CYLINDER.
Check Q8004.