Playback Picture Noisy(Even After Cleaning Heads) - JVC HR-J6009UM Service Manual

PLAYBACK PICTURE NOISY
(EVEN AFTER CLEANING HEADS)
Is FM signal at TP4001
more than 300mVp-p?
Is VIDEO waveform
at pin 30 of IC4001 2Vp-p
are there any noises?
Is video output at pin 26
of IC4001 2Vp-p and are
there any noise?
Check J4201.
1-36
TROUBLESHOOTING GUIDE
No
Yes
No
Yes
No
Yes
Check IC4001 and CYLINDER UNIT.
Check IC4001 and peripheral circuit.
Check IC4001 and IC1001.