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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: D-335 No. 485
Subject: Does Not Operate Date: April 29, 1996


Symptom:
(12) Does not operate.

Will not accept any key command and LED is distorted.

Solution: If this symptom occurs:

Make continuity between the upper lid and the PCB ground.
1. File the pattern of power PCB (Fig-1) lightly and clean with alcohol.
2. Add a rubber cushion on the DC Jack. (Fig-2)
3. Put the upper lid and confirm the continuity between the mount screw of upper lid
and the negative battery terminal.

REF DESCRIPTION PART NUMBER

- RUBBER CUSHION 3-355-463-01

Applicable Serial Nos: 100,001 to 251,510




Reference: Tokyo Fax No. GA-95001 PRINTED IN USA

PRINTED ON RECYCLED PAPER