JVC KD-SX60WT Service Manual page 27

5.4 Tracking section
When the disc is rotated
at first:
Approx. 1.2 V
Is the tracking error
signal output at TP3?
Check IC521.
5.5 Signal processing section
Is the sound output from
both channels (L, R)?
Normal
YES
Check the circuit in the
vicinity of IC501 pins
YES
NO
No sound from either
YES
Is 9V present at IC101 pin
Is the audio signal
(including sampling output
components) output to
IC521 pins 10 and 23 during
Is the audio signal output
and 7 during playback?
Check the muting circuit.
YES
2 12.
NO
channel.
YES
NO
(8)?
YES
NO
YES
NO
at IC101 pins 1
YES
Check the pickup and
its connections.
Compare the L-ch and
R-ch to locate the
defective point.
Check the vicinity of the
Q981 audio power
supply.
Check IC521 and its
peripheral circuits.
Check IC101 and its
peripheral circuits
(No.49868)1-27