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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: KV-27V55                                                                  No.      194R1
Subject: Convergence H. Stat inoperable                                          Date: September 5, 1995


Symptom:
 (133)             After replacing the CRT the unit can not be converged.

Solution:          In order to converge this new CRT you will need to replace :
                   a.   The Ring Magnets on the Yoke with the newer ones, or
                        replace the Yoke with the newer type Yoke.
                   b.   Set the Hor. Stat control on the "C" board completely
                        counterclockwise.
                   This new CRT does not require the Hor. Stat control for doing convergence.
                   Use the ring magnets on the yoke to adjust for convergence.

 NOTE:             Please consult the Service Manual for the KV-27V10, Section 3.2
                   Convergence, on how to converge the unit using the magnets.


               REF                     FORMER                                              NEW
                           DESCRIPTION       PART NUMBER                     DESCRIPTION     PART NUMBER

            "C" BOARD       "C" BOARD        A-1331-270-A                     "C" BOARD      A-1331-314-A

             RING                                                               RING             1-452-279-51
            MAGNETS                                                            MAGNETS

               DY          DEFLECTION         1-451-275-41                    DEFLECTION         8-451-275-42
                              YOKE                                               YOKE

              CRT              CRT            8-733-838-05                       CRT             8-733-848-05
                              SD-268                                            SD-268
                           NO LONGER                                         TINTED SCREEN
                           AVAILABLE




Reference: FPR-O                                                                                           PRINTED IN USA
AUTOFLAGGED - NO
                                                 PRINTED ON RECYCLED PAPER
TV Products Service Bulletin No. xxx
TV Products Service Bulletin No. xxx



                      Service Bulletin Check-Off Form

Originator: .......... Dominick Scigliano
Diagram Location:


PERSON          ACTIVITY          INITIAL    DATE    COMMENTS
Originato     Draft Creation      Dominick 1/26/94
r

Wing          Drawings &
              Numbering

Originato     Proofing
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Manager       Approval

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              Auto Flagging

Wing          Distribution

Rob           SDIS Entry
Filename:             TVP0194.SB
Directory:            J:\SBDOC\SEP95
Template:             C:\WINWORD\S_BULL_T.DOT
Title:                New "C" Board 27V55
Subject:
Author:               Hoyt Wing Lee
Keywords:
Comments:
Creation Date:        09/05/95 11:32 AM
Revision Number:      6
Last Saved On:        09/13/95 9:52 AM
Last Saved By:        Hoyt Wing Lee
Total Editing Time:   9 Minutes
Last Printed On:      04/01/96 11:02 AM
As of Last Complete Printing
    Number of Pages: 3
    Number of Words: 251 (approx.)
    Number of Characters:    1,433 (approx.)

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