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SECTION 5 TROUBLESHOOTING
5.1 Feed section
NO
Is the voltage output at IC561 pin 22 5v or 0V
Is the wiring for IC561 pin 22 correct?
YES
Is 5V present at IC541 pin 14?
YES
NO
Check CD 8V.
YES
NO NO
Check the vicinity of IC561.
YES
Is 4V present at both sides of the feed motor?
YES
Is 6V or 2V present at IC541 pins 4 and 5?
NO
Check the feed motor connection wiring.
Check the feed motor.
Check IC541.
5.2
Focus section
When the lens is moving:
NO
Check the circuits in the vicinity of IC541 pins 15 and 16.
4V
Does the S-search waveform appear at IC541 pins 8 and 9?
YES
YES
Check the pickup and its connections.
5.3
Spindle section
Is the disk rotated?
YES NO
Is 4V present between IC541 pins 6 and 7?
YES
NO
Is 4V present at IC561 pins 24 and 25?
YES
NO
Check IC561.
Does the RF signal appear at TP RF?
YES NO NO
Check the spindle motor and its wiring. Check the circuits in the vicinity of IC501 or the pickup.
Check the vicinity of IC541
Is the RF waveform at TP RF distorted?
YES
Proceed to the Tracking section
5.4
Tracking section
NO
When the disc is rotated at first:
Approx. 1.2V
Check the circuits in the vicinity of IC501 pins 25 and 26.
NO
Check the pickup and its connections.
Is the tracking error signal output at TP TE?
YES
Check IC561.
(No.MA028)1-25
 $4.99 KD-S6060 JVC
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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