Service Manuals, User Guides, Schematic Diagrams or docs for : Sony Car Stereo Service Bulletin CAR0378

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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: XM-4525                                                          No.    378
Subject: Power Supply Noise Heard Through Speakers.                     Date: September 13, 1995


Symptom:
  (54)        Noise generated by the power supply may be heard through the speakers.
              This problem may be caused by C904 being defective.




Solution:     If the customer complains of this problem check C904 on the Main board
              and replace it if it is found to be defective. Note that the polarity indicator
              silkscreened on the board is incorrect. The capacitor must be installed with
              polarity opposite that which is silkscreened on the board.

                  REF                DESCRIPTION                        PART NUMBER

                 C904       CAPACITOR, ELECTROLYTIC,                     1-126-044-11
                                 1uF, 20%, 50V



              Applicable serial numbers: up to 19,600




Reference: Technical News ME-95013                                                          PRINTED IN USA
Autoflagged - NO
                                            PRINTED ON RECYCLED PAPER
Filename:             CAR0378.SB
Directory:            J:\SBDOC\SEP95
Template:             C:\WINWORD\TEMPLATE\S_BULL.DOT
Title:
Subject:
Author:               Hoyt Wing Lee
Keywords:
Comments:
Creation Date:        09/13/95 11:23 AM
Revision Number:      2
Last Saved On:        09/13/95 11:23 AM
Last Saved By:        Hoyt Wing Lee
Total Editing Time:   1 Minute
Last Printed On:      04/01/96 11:04 AM
As of Last Complete Printing
    Number of Pages: 1
    Number of Words: 159 (approx.)
    Number of Characters:    911 (approx.)

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