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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. 531
Subject: Improved Service Adjustment Procedure Date: April 27, 2001
For The RA-4W Chassis Models
Solution:
(1330) Procedure to Improved picture Quality
The procedures below should be followed if the customer is complaining of poor picture quality. Although
these procedures were written for the RA-4W chassis they can also be applied to the RA-3 & RA-4 chassis in
most cases.
Note: Test equipment required:
1. Pattern Generator (with component (Y, Pb, Pr) outputs)
Ex. Leader 408 or Quantum Data 801GG
Important Notes: