JVC RC-XC3BK - General section; Check the pickup.; Adjust the tracking offset.

RC — XC3BK B/E/EN/G/GI
General section
Power ON.
YES
Is the TOC displayed?
Check circuits
R561 ~R563 and
N | Can the first track be
played?
C561, C562.
ls the RF waveform
Check
the
pickup.
correct?
z
re
z
oO
Are track selection
and search correct?
Adjust the tracking
offset.
Y
Go
to
the
signal
N_|
Is
the
play
sound
2
processing
section.
normal?
Normal.
a
Does the pickup move
Check the CN502's
Is the disc rotated? when the disc is N connection to the
removed and power is REST SW.
switched on again? OK
Does
the
TP503's
Check
the
wiring
of
waveform
change
IC601
@
-
@
and
from
immediately
after
the
connection
of
the
spindle
motor
starts
CN601.
to
1.5
seconds
after?
OK
a
Go
to
feed
section.
Is
TP603
at
5V?
$ Is there sound when
soe
the
disc
is
loaded,
N
Check Q501 and
its vicinity.
power switched on,
and the disc rotated
by hand?
N
Go to tracking
section.
Go to spindle sections.
is 6 - 7V produced
at TP602?
Y N Check the connections
of the pickup and
Go to focus section. CN501.
Check Q581 and
its vicinity.
Fig. 7-2
50 (No. 1991)