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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: KV-32V68, KV-35V68 No. 519
Subject: Whistle Sound From Speakers. Date: January 12, 2001
Symptom:
(1525) With TV guide screen ON, when the set is turned OFF there is a strange sound like a whistle
sound from the speaker.
Solution: If the customer should complain of the symptom above change the value of C1478, on the "K"
Board, as follows.
Ref. Description Description Part Number
Former New
C1478 220uf/50v 1000uf/50v 1-126-972-11
Audio B+
Change to 1000uf
Board location G-7
Reference: M. Chang PRINTED IN USA