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CONFIDENTIAL CSV-1
ony Service Company
National Technical Services
Service Bulletin
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656 TV Products
Model: KV-27V20, 27V25, -27V35, -27S20, -27S25 No. 316
Subject: Power Supply Failure Date: December 4, 1996


Symptom:
(111) The Unit has No power due to Power Supply Failure and requires Q601, Q602
or another component replacement in power supply circuit.

Applicable Serial Number:
KV-27V20: 8000000 to 8000173
KV-27V25: 8000000 to 8001755
KV-27V35: 8000000 to 8000036
KV-27S20: 8000000 to 8009660
KV-27S25: 8000000 to 8005612

Solution: If Serial Number of Unit is within above range when replacing Q601, Q602 or
another power supply component.
Please replace T603, Transformer (PRT) at same time.

REF FORMER NEW
DESCRIPTION PART NUMBER DESCRIPTION PART NUMBER

T603 TRANSFORMER, 1-427-864-11 TRANSFORMER, 1-427-864-12
PRT PRT OR -13




Reference: S/B Request 1996-13 (TVA) PRINTED IN USA

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