TROUBLESHOOTING GUIDE
E-16
D-VR4SU/D-VR4SC
YES
NO
PLAYBACK PICTURE IS NOISY
(EVEN AFTER CLEANING HEADS)
Is noisy a wave of video
signal at pin 26 of IC101 ?
Check CYLINDER.
YES
NO
Is noisy a wave of video
signal at pin 7 of IC8308 ?
Change IC8308.
YES
NO
Is noisy a wave of video
signal at pin 19 of IC3001 ?
Change IC3001.
Check J8005 at pin 5
and peripheral circuit.