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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: KP-53HS10, KP-61HS10 No. 526
Subject: Banding Symptom Date: March 7, 2001
With Progressive Scan input on Video 5
Symptom:
(133X) During certain scenes of certain DVD movies titles with progressive scan DVD players. A
slight horizontal banding maybe noticed on the following edge of a moving image.
Cause Sandcastle "clamp" pulse overlaps video signal causing clamping errors.
Three thin horizontal lines and one thick
one at the bottom before the lower part of
the black bar of the letterboxed imaged.
This scene occurs during the first second
or two of chapter 6 of Star Trek 2.
Solution: If the customer should complain of this symptom please incorporate the following
Service Data change.
1. Change in the Service Mode PWM1 from 0 to 42.
2. Confirm Flash Focus operation in the Service Mode.
Ref Former Setting New Setting
PWM1 0 42
Reference: SBR9928. PRINTED IN USA