CAR0380.PDF part of Sony CAR0380 CAR0380.PDF, Sony Car Stereo Service Bulletin CAR0380.PDF text manual preview

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Car Stereo CSA-14
Service Bulletin
Sony Service Company - Technical Services
A Division of Sony Electronics Inc.
Sony Drive, Park Ridge, New Jersey 07656

Model: CDX-4090 No. 380
Subject: No Audio. Date: November 10, 1995

Symptom:
(51) The unit has no audio regardless of the source. In some instances the STEREO
indicator on the display may always be illuminated. This problem may be caused by
Q593 being defective.

Solution: Check Q-593, and if found to be defective replace it. Also, change TH503 to a
different type which offers greater protection against damage to Q593.

REF FORMER NEW
DESCRIPTION PART NUMBER DESCRIPTION PART NUMBER
Q593 TRANSISTOR, 8-729-822-84 SAME SAME
2SB1202FAST

TH503 THERMISTOR, 1-809-148-21 THERMISTOR, 1-809-842-21
2.2 OHM 2.0 OHM

Reference: M.E.-Q.A. Ref. QM-MIWA210-04 PRINTED IN USA

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Filename: CAR0380.SB
Directory: J:\SBDOC\NOV95
Template: C:\WINWORD\TEMPLATE\S_BULL.DOT
Title:
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Author: Hoyt Wing Lee
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Creation Date: 11/10/95 10:07 AM
Revision Number: 2
Last Saved On: 11/10/95 10:07 AM
Last Saved By: Hoyt Wing Lee
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Last Printed On: 04/01/96 10:18 AM
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