Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0239

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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:      KV27TW77/27TW78/27S10                                            No.    239
Subject: Failure of Horizontal Drive Transistor                              Date: January 9, 1995


Symptom:
  (11)           If the Horizontal Drive Transistor should fail please make the following circuit change.



Solution:        Please remove the jumper wire across R515 and replace it with a 2 Watt 0.33 Ohm
                 resistor.

                                   Model                  Aplicable Serial Number Range
                             KV-27TW77                          7030813-7032812
                             KV-27TW78                          7005676-7006015
                             KV-27S10                           8101907-8103591


                 Only units with serial numbers listed above should require the jumper to be replaced
                 with the resistor.



                 INCORRECT                                                      CORRECT




Reference: FPR-P                                                                                     PRINTED IN USA
Autoflagged - NO
                                                 PRINTED ON RECYCLED PAPER

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