Cylinder Not Rotating During Playback And Recording; Playback Picture Noisy(Even After Cleaning Heads) - JVC HR-A60Uc Service Manual

CYLINDER NOT ROTATING
DURING PLAYBACK AND
RECORDING
Is the voltage at pin 6 and
7 of CP1001 about DC5V?
Yes
In playback, is the voltage
at pin 3, 8, 10 and 12 of CP1001
about DC5V?
No
Check IC1001.
PLAYBACK PICTURE NOISY
(EVEN AFTER CLEANING HEADS)
Is FM signal at TP4001
more than 300mVp-p?
Yes
Is VIDEO waveform
at pin 30 of IC4001 2Vp-p
are there any noises?
Yes
Is video output at pin 26
of IC4001 2Vp-p and are
there any noise?
Yes
Check J4201.
1-32
TROUBLESHOOTING GUIDE
No
Yes
No
No
No
Check pin 103 and 104 of IC1001 lines.
Replace CAPATAN DD UNIT.
Check IC4001 and CYLINDER UNIT.
Check IC4001 and peripheral circuit.
Check IC4001 and IC1001.