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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 No. 302
Subject: Audio Circuit Change Date: May 16, 1996
Symptom:
( * *) Unit has no Audio and requires IC230, Audio amplifier replacement.
Parts List: This Service Bulletin is required following components:
DESCRIPTION PART NUMBER Q'TY
DIODE, RD22ES-T1B 8-719-113-49 4
Applicable Serial Number:
KP-41T15: 9000001 ~ 9022000
KP-46S15: 9000001 ~ 9021000
KP-53S15: 9000001 ~ 9016100
Solution: Please perform following circuit change on A board with IC230 replacement:
Note: 3 types of A board (1-655-341-11, -12 or -13) is used in above serial number
range. The part number above is bare board part number for factory use, not
part number of assembled board. Part number of A board is printed on foil
pattern side.
1. If part number of A board is 1-655-341-11, please perform following change:
Cont.
2. If part number of A board is 1-655-341-12, please perform following change:
Reference: PTG Tanaka, Tommy T PRINTED IN USA
PRINTED ON RECYCLED PAPER
TV Products Service Bulletin No.302
3. If part number of A board is 1-655-341-13, please mount diode RD22ES-T1B to location of D301,
D302, D303 and D304.