Service Manuals, User Guides, Schematic Diagrams or docs for : Sony Car Stereo Service Bulletin CAR0390

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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-91                                                             No.    390
Subject: No Audio With MDX-U1 Or XDP-U50D.                                     Date: March 25, 1996


Symptom:
  (51)         There is no audio when the CDX-91 is connected to the MDX-U1 or XDP-U50D via
               the analog connection (the audio is normal when the digital connection is used).



Solution:      This problem may occur if IC31 on the CDX-91 SERVO board is the newest type
               (CXP84332-014Q). If the above mentioned symptom occurs, and if IC31 is the
               newest type, replace it with the former type (CXP84332-008Q). Also, if the suffix of
               the silkscreened part number on the MD board is "-13" a trace on the MD board must
               be cut as shown in the illustration. Finally, if the XDP-U50D is being used, make
               sure that the procedure described in Car Stereo Service Bulletin # 377 has also been
               performed.

                   REF        NEWEST (NOT COMPATIBLE)                         FORMER (COMPATIBLE)
                            DESCRIPTION          PART NUMBER              DESCRIPTION     PART NUMBER
                   IC31      IC, CXP84322-          8-752-868-46          IC, CXP84332-    8-752-861-08
                                  014Q                                         008Q




Reference: Technical News ME-95031 Revised                                                    PRINTED IN USA

                                              PRINTED ON RECYCLED PAPER
Filename:             CAR0390.SB
Directory:            J:\SBDOC\MAR96
Template:             C:\WINWORD\TEMPLATE\S_BULL.DOT
Title:
Subject:
Author:               Hoyt Wing Lee
Keywords:
Comments:
Creation Date:        03/25/96 10:30 AM
Revision Number:      2
Last Saved On:        03/25/96 10:30 AM
Last Saved By:        Hoyt Wing Lee
Total Editing Time:   1 Minute
Last Printed On:      04/01/96 9:36 AM
As of Last Complete Printing
    Number of Pages: 1
    Number of Words: 199 (approx.)
    Number of Characters:    1,138 (approx.)

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