Toshiba SD-V340SC Service Manual page 77

PLAYBACK PICTURE IS NOISY
(EVEN AFTER CLEANING HEADS)
Is noisy a wave of video
signal at pin 26 of IC101?
YES
Is noisy a wave of video signal
of EMITTER of Q8004?
NO
Check J8001.
TROUBLESHOOTING GUIDE
NO
YES
E-15
Check CYLINDER.
Check Q8004.