Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0293

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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-41EXR95, 41EXR96, 46S55, 46V15, 46V16,                          No.    293
            KP-46XBR15, 46XBR25, 46XBR35, 53S55
            KP-53V15, 53V16, 53XBR15, 53XBR25,
            KP-53XBR35, 61V15, 61XBR28, 61XBR38

Subject: Registration (Convergence) change after                               Date: March 11, 1996
         warm-up


Symptom:
 ( ** )         If customer should experience Registration (Convergence) change after warm up,
                Please perform the following checks:




Solution:       1. Check IC1704 or IC1705 on the D Board for cold solder joints and resolder as
                necessary.

                2. Confirm that sufficient Silicone Grease has been applied between ICs (IC1704,
                IC1705) and heat sink. More Silicone Grease will help dissipate heat thereby
                allowing IC to operate at a reduced and controlled temperature.

                Silicone grease, Part number 7-662-006-02 is available from National Parts Center.

                3. Confirm Metal clips are holding down ICs and adhere closely to heat sink.
                If Metal clips have became weak, please replaced it with part number 4-393-401-01
                or 4-393-401-11. (Part name listed in the service manual is "Transistor Spring".)




Reference: TV Tech, Tech Reps                                                                PRINTED IN USA

                                               PRINTED ON RECYCLED PAPER
xxx Products Service Bulletin No. xxx
Filename:             TVP0293.SB
Directory:            J:\SBDOC\MAR96
Template:             C:\WINWORD\TEMPLATE\S_BULL.DOT
Title:
Subject:
Author:               Hoyt Wing Lee
Keywords:
Comments:
Creation Date:        03/11/96 3:54 PM
Revision Number:      2
Last Saved On:        03/11/96 3:54 PM
Last Saved By:        Hoyt Wing Lee
Total Editing Time:   0 Minutes
Last Printed On:      04/01/96 9:34 AM
As of Last Complete Printing
    Number of Pages: 2
    Number of Words: 210 (approx.)
    Number of Characters:    1,202 (approx.)

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