Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0236

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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-46S55/53S55                                                   No.    236
Subject: Change in Horizontal Output Transistor                              Date: November 30, 1994


Symptom:
 (111)          If the Horizontal Output transistor Q811 should fail, please replace it with the
                transistor and diode below.



Solution:       On the "N" Board, please replace the Horizontal Output transistor Q811 with the
                transistor and diode below.




                REF                    FORMER                                            NEW
                          DESCRIPTION         PART NUMBER                   DESCRIPTION    PART NUMBER

               Q811          2SC4927            8-729-016-32                 2SD-1887          8-729-805-07
                D817                                                         ERC06-15S         8-719-945-80



              Mount the diode across the legs of C840 on the "N" Board. No gap should
              be present between the underbelly of the capacitor and the diode. The
              cathode of the diode should be connected to the collector of the Horizontal
              Output transistor.




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

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