Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0465

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                                           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:          VPL-W400Q                                                            No.       465
Subject: Change of Thermal Fuse Location                                             Date: February 2, 2000


Symptom:
(XXXX)                 Change of fuse location



Solution:              The following are instructions on how to change the thermal fuse (CN5009) location
                       on the "C" Board.


                                      Serial number range affected

                                           2,000,001-2,000,920

Circuit change Procedure:

                       1. Remove screw (+P3X8) fixing the power block shield cover.

                       2. Remove lug securing the thermal fuse.

                       3. Reinstall and tighten screw (+P3X8)

                       4. Remove two screws (+P3X8) fixing the "C" Board.

                       5. Slightly raise the "C" Board, and install lug on the projection
                          of the PCB holder. (B)

                       6. Lock the "C" Board with the claw of the PCB holder (B).
                          Caution: The "C" Board should not extend over the projection.

                       7. Reinstall and tighten two screws (+P3X8).

                       8. Install the thermal fuse with the tip in the direction of the folded portion
                          of the fan bracket, and secure it firmly with the lug.

                            Note: The tip of the thermal fuse should not touch the shield cover.




Reference: SB B&P 301997-119                                                                             PRINTED IN USA
TV Products Service Bulletin No. 465




                                 Fig 1
TV Products Service Bulletin No. 465




                                       Fig 2

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