Text preview for : CAR0400.PDF part of Sony CAR0400 Sony Car Stereo Service Bulletin CAR0400.PDF



Back to : CAR0400.PDF | Home

CONFIDENTIAL CSA-14
Sony Service Company
National Technical Services Service Bulletin
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656 Car Stereo
Model: CDX-91 No. 400
Subject: Pop Noise Prior To Start Of Audio. Date: June 14, 1996


Symptom:
(54) In some units after changing the disc, pop noise from the speakers may be heard
prior to the start of audio.



Solution: If the customer complains of this problem follow the procedure shown below.

REF DESCRIPTION PART NUMBER

C321 CAPACITOR ELECTROLYTIC 1-128-426-11
(47uF/16V)


Applicable Serial Numbers: 10001 to 15000

Remove capacitor C321 from the MD board. Using the same type of capacitor
solder the positive lead(+) of the capacitor to it's original positive (+) location. Bend
the capacitor as shown in the diagram and mount it to the board using silicone
compound. Next, take the ground(-) lead of the capacitor, attach a wire, and route it
to the underside (solderside) of the board. Connect this lead wire to the minus side (-
) of C912. Keep the wire length short as possible.




Reference: M.E. FAX TX-USA96004 PRINTED IN USA

PRINTED ON RECYCLED PAPER