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TV Products CSV-1
Service Bulletin
Sony Service Company - Technical Services
A Division of Sony Electronics Inc.
Sony Drive, Park Ridge, New Jersey 07656
Model: KP-41T15, -46S15, -53S15, -46V25, -53V25, No. 299R1
KP-61V25, -53XBR45, -61XBR48
Subject: T604 (Transformer, Power Supply) Change 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:
KP-41T15: 9000001 ~ 9020800
KP-46S15: 9000001 ~ 9018900
KP-46V25: 9000001 ~ 9004700
KP-53S15: 9000001 ~ 9011400
KP-53V25: 9000001 ~ 9005700
KP-61V25: 9000001 ~ 9003100
KP-53XBR45: 9000001 ~ 9004100
KP-61XBR48: 9000001 ~ 9000700
Solution: If Serial Number of Unit is within above range when replacing Q601, Q602 or
another power supply component.
Please replace T604 (Converter Transformer) at same time.
REF FORMER NEW
DESCRIPTION PART NUMBER DESCRIPTION PART NUMBER
T604 TRANSFORMER, 1-427-864-11 TRANSFORMER, 1-427-864-12
CONVERTER CONVERTER OR -13
Note: Part number for Q601 and Q602 is 8-729-019-49 (2SC4834M).
Reference: PTG Tanaka, Tommy T PRINTED IN USA
PRINTED ON RECYCLED PAPER