Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0536

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S                                           CONFIDENTIAL                                             CSV-1
Sony Service Company
National Technical Services                 Service Bulletin
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656                TV Products

Model:          KP-57XBR10W, KP-65XBR10W                                        No.      536R2
Subject: Intermittent Picture With Certain Brand DTV                            Date: October 30, 2001
         Receivers Toshiba DST3000, Mitsubishi
         SR-HD400


Symptom:
(F311)                 Intermittent picture drop outs when certain brand DTV receivers are connected by
                       component video to the Video 5 input on the TV.
Cause:                 Large DC bounce of 1080i signal during scene transition output from DTV receiver.
                       This signal is out of the TV's clamping range.

Solution:              If the customer should complain of the symptom above the following circuit change
                       should be implemented

                     Ref.              Former                       New                           Part
                                                                                                 Number

                    C638              0.47uf/16V                  0.1uf/16V                     1-164-004-
                                                                                                    11

                    Q552                                        Remove part

                                                          Add 470 ohm 1/10w chip                1-216-041-
                                                           resistor across B & E                    00




                                                Continue on next page
          I




Reference: SBR-0132                                                                               PRINTED IN USA
TV Products Service Bulletin No. 536R2




                                                                                   C638




                 C638 located on the A Board at IC511/pin 26. Board location Conductor
                 side E-3 (page 91 of KP-57XBR10W service manual)




                      26


                             C638
TV Products Service Bulletin No. 536R2




                                  Q552




               Fig 1Location E-9 on A Board (page 90 of KP-57XBR10W service
                             manual)

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