JVC RC-XC3BK - Spindle motor section; Signal processing section

RC — XC3BK B/E/EN/G/GI
BB Spindle motor section
Does the disc rotate? |_—_»
Is there an RF signai
at TP502?
Is there an RF signal
at IC601 63 ?
Check the circuitry in
the vicinity of IC601
-6.
Go to the tracking
section.
@ Signal processing section
!s sound heard from
both L and R channels?
Y
Can noise be heard?
Y
Can noise be heard when
a disc without scratches
is played?
Y
IC601 is defective.
52 (No. 1991)
Is 3V produced
between CN502
3 and @ ?
Check the spindle
motor and connection
wires.
Check the circuitry in
the vicinity of IC501
Crd.
1C501 or the pickup
is defective.
Check C514 and
its vicinity.
IC601 89 ?
IC501 @& ?
Fig. 7-5
Is neither channel N
producing sound?
Y
Is audio (including sampl-
ing output components)
produced at 601
@,@, ©, © duning play?
Is audio output
produced at TP605 and
T- P606 during play?
Is 4.2V produced at
Is 4.2V produced at
Check IC502 (1)
(4) and its vicinity.
IC601 is defective.
IC501 is defective.
~~
IC502 is defective.
Check for defects by
comparing L and R
channels.
IC601 is defecive.
Check IC 604 and its
vicinity.