Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0308
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CONFIDENTIAL CSV-1
Sony Service Company
National Technical Services Service Bulletin
A Division of Sony Electronics Inc.
Park Ridge, New Jersey 07656 TV Products
Model: KV-20S20 No. 308R1
Subject: No Audio Date: December 4, 1996
Symptom:
(151) No audio due to incorrect software setting.
Solution: Reset memory as follows:
a. Using the remote, enter the Service Mode.
Display-->5--->Volume up-->Power on
2. With the remote perform test-reset using the sequence:
8--->enter
3. If the sound reappears, power off the unit with the remote and perform the
circuit change below.
NOTE: The circuit change below was applied starting with serial number 8060619.
Ref Former New Part Number A Board
Location
Q406 None 2SD601A-QRS-TX 8-729-422-27 E-13
JW19 JUMPER 1-535-303-00 See Below
6
R042 NONE 4.7K 1/4W 1-249-425-11 I-14
R470 CHIP DELETE E-13
RESISTOR
R041 CHIP DELETE I-13
RESISTOR
Reference: SD Ser Bul 1996-14 PRINTED IN USA
PRINTED ON RECYCLED PAPER
xxx Products Service Bulletin No. xxx
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