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CONFIDENTIAL CSA-13
Sony Service Company
National Technical Services Service Bulletin
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656 Hi-Fi Products
Model: GEN-CD No. 492
Subject: Countermeasure for 800Hz Disc Noise Date: August 9, 1996


Symptom:
(**) The customer complains of a whistling noise when playing certain Discs.



Solution: Add a Felt washer to the disc side of the chucking magnet. See diagram below.
Note: The felt washer may be added together with the weight outlined in Service
Bulletin CSA-13 HFP 428.

REF DESCRIPTION PART NUMBER

N/A WASHER, FELT 4-986-769-01




Reference: Technical News CD-960010 PRINTED IN USA

PRINTED ON RECYCLED PAPER