Service Manuals, User Guides, Schematic Diagrams or docs for : Sony Car Stereo Service Bulletin Car0343

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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:      XR-U500/U700/U800                                              No.    343
Subject: Switching Noise Heard From Speakers While                         Date: November 18, 1994
            Volume Is Being Increased Or Decreased.


Symptom:
  (54)          Switching noise may be heard from the speakers while the volume level is being
                increased or decreased. The noise is particularly noticeable when high power
                amplifiers or high efficiency speakers are connected to the unit.



Solution:       If the customer complains of this problem, remove R126, R128, R226, and R228
                from the Main board. On XR-U800, also remove R151 and R251.




Reference: Technical News ME-94010                                                             PRINTED IN USA
Autoflagged - NO
                                               PRINTED ON RECYCLED PAPER
Audio Products Service Bulletin No. xxx
Filename:                CAR0343.SB
Directory:               J:\SBDOC\NOV94
Template:                C:\WINWORD\S_BULL.DOT
Title:
Subject:
Author:                  Hoyt Wing Lee
Keywords:
Comments:
Creation Date:           11/18/94 2:42 PM
Revision Number:         2
Last Saved On:           11/18/94 2:42 PM
Last Saved By:           Hoyt Wing Lee
Total Editing Time:      1 Minute
Last Printed On:         04/01/96 10:02 AM
As of Last Complete Printing
     Number of Pages:    2
     Number of Words: 141 (approx.)
     Number of Characters:       809 (approx.)

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