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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: KWP-65HD1 No. 456
Subject: Dark Picture/Incorrect Color When Displaying Date: February 1, 2000
A 480p Source Through The VIDEO-5 Input.
Symptom:
(F321) The picture becomes very dark, or the color becomes incorrect, when a progressive scan
source (480p) is played through the VIDEO-5 input. This symptom will only be shown in the
NORMAL, WIDE ZOOM, ZOOM screen display modes. The symptom is not apparent when
in the FULL screen display mode. The screen display mode is changed by toggling the
WIDE MODE button on the remote, or in the WIDE SCREEN mode menu.
Solution: Replace the BR board. All BR boards being supplied for service have
countermeasures to correct the problem.
Sets with serial numbers 9000530 and higher already have the countermeasures
applied at the factory.
A picture of a BR board with countermeasures applied is shown below.
REF DESCRIPTION PART NUMBER
107 BR BOARD, COMPLETE A-1131-396-A
BR boards with countermeasures
applied have electrolytic capacitors
mounted in these locations (the shield
case may have be moved out of the
way to see the capacitors).
Reference: F. Medeiros/SBR9908 PRINTED IN USA
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