HFP0490_©_.PDF part of Sony (Bulletin) CDP-C235, CDP-C335, CDP-C435, CDP-C535 HFP0490_©_.PDF, Confidential Service bulletin hi-Fi product - Symptom: The Optical Block KSS-390A is no longer available and KSS-240A is supplied as the substitution. As the two parts have some electrical and mechanical differences, please perform the following changes according to the model being serviced. text manual preview

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CONFIDENTIAL
Sony Service Company National Technical Services A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656

CSA-13

Service Bulletin Hi-Fi Products
No.

Model:

CDP-C235, CDP-C335, CDP-C435, CDP-C535

490

Subject: Substitution for KSS-390A Symptom: (**)

Date: June 14, 1996

The Optical Block KSS-390A is no longer available and KSS-240A is supplied as the substitution. As the two parts have some electrical and mechanical differences, please perform the following changes according to the model being serviced.

Solution:

For CDP-C235/335:
1. Check the value of R421. If it is 8.2K or less, leave it in circuit. Otherwise, remove it and replace it with a jumper wire. 2. Confirm the existence of R423. If it is mounted, remove it. This is needed to keep pin 28 of IC401 High when operating CD function. 3. Replace the flat wire which connects the BD Board and Optical Block with the new type listed below.

For CDP-C435/535:
Just replace the flat cable with the new type. No circuit modifications needed.

Description Flat Cable

Part Number 1-575-001-11

Note This cable must be used with KSS-240A

Reference: T/N # AU-96011 & 12 May 20, 96
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