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                                   TV Products                                                     CSV-1
                                   Service Bulletin
                                   Sony Service Company - Technical Services
                                   A Division of Sony Electronics Inc.
                                   Sony Drive, Park Ridge, New Jersey 07656


Model: KP-46V15/46V16/46XBR35                                              No.    251
         KP-53V15/53V16/53XBR35
         KP-61V15/61XBR38

Subject: Power Supply Circuit Upgrade                                      Date: June 2, 1995


Symptom:
  (11)          Unit has no power




Solution:     Perform the following circuit upgrade on the models listed below.

                1.     Remove C603 (1uF/250V cap.) from the G Board.
                2.     Replace C603 with two (1uF/250V, 1-124-634-11) capacitors as
                       illustrated below: (Do not use original Capacitor, replace with two new
                       capacitors)




   Model             Applicable Serial
                        Numbers
KP-46V15              9019051  9019600
KP-46V16              9002821  9002970
KP-46XBR35            9004601  9006100
KP-53V15              9017251  9017950
KP-53V16              9002501  9002800
KP-53XBR35            9012951  9015750
KP-61V15              9009261  9010010
KP-61XBR38            9003731  9005030


Also check the components listed below and other related circuits. Ifdefective, replace
                accordingly.

                      REF              DESCRIPTION                         PART NUMBER

                     T603           PRT, TRANSFORMER                        1-424-020-11
                     C603         1 UF/250V, CAPACITOR                      1-124-634-11
                     D623                RD24ESB3                           8-719-110-63
                     D621                 GP08D                             8-719-908-03


Reference: S. Tanaka                                                                            PRINTED IN USA
Autoflagged - Yes
                                               PRINTED ON RECYCLED PAPER
Audio Products Service Bulletin No. 251


                    D622                  GP08D      8-719-908-03
                    T608         POWER TRANSFORMER   1-423-665-11
Filename:             TVP0251.SB
Directory:            J:\SBDOC\JUN95
Template:             C:\WINWORD\TEMPLATE\S_BULL.DOT
Title:
Subject:
Author:               Hoyt Wing Lee
Keywords:
Comments:
Creation Date:        06/02/95 11:06 AM
Revision Number:      3
Last Saved On:        06/05/95 11:33 AM
Last Saved By:        Hoyt Wing Lee
Total Editing Time:   4 Minutes
Last Printed On:      04/01/96 9:16 AM
As of Last Complete Printing
    Number of Pages: 2
    Number of Words: 211 (approx.)
    Number of Characters:    1,204 (approx.)

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