Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0302

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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-41T15, -46S15, -53S15                                              No.     302
Subject: Audio Circuit Change                                                      Date: May 16, 1996


Symptom:
 ( * *)           Unit has no Audio and requires IC230, Audio amplifier replacement.



Parts List:       This Service Bulletin is required following components:

                             DESCRIPTION                         PART NUMBER             Q'TY
                          DIODE, RD22ES-T1B                         8-719-113-49          4



 Applicable Serial Number:
                   KP-41T15: 9000001 ~ 9022000
                   KP-46S15: 9000001 ~ 9021000
                   KP-53S15: 9000001 ~ 9016100


Solution:         Please perform following circuit change on A board with IC230 replacement:

                  Note: 3 types of A board (1-655-341-11, -12 or -13) is used in above serial number
                       range. The part number above is bare board part number for factory use, not
                       part number of assembled board. Part number of A board is printed on foil
                       pattern side.

                  1. If part number of A board is 1-655-341-11, please perform following change:




                                                                                                 Cont.


2. If part number of A board is 1-655-341-12, please perform following change:



Reference: PTG Tanaka, Tommy T                                                                   PRINTED IN USA

                                                 PRINTED ON RECYCLED PAPER
TV Products Service Bulletin No.302




3. If part number of A board is 1-655-341-13, please mount diode RD22ES-T1B to location of D301,
                   D302, D303 and D304.

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