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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: KV-13TR28, KV-13TR29, KV-13V50, No. 271
KV-20TS29, KV-20TS32, KV-20TS50, KV-20V50
Subject: Addition of Resistor to Power Supply Circuit Date: October 26, 1995
Symptom:
(****) If the above unit comes to service, Please perform the following changes:
Solution:
REF FORMER NEW
DESCRIPTION PART NUMBER DESCRIPTION PART NUMBER
R606 JUMPER WIRE JW603, JW604 2.2 OHM, 1-208-294-11
CEMENT
RESISTOR
Remove 2 jumper wires from R606 locations and replace 2.2 ohm, 20W Cement
Resistor.
Note: 1. The circuit board has large hole for mounting this cement resistor.
Therefore, please bend resistor legs at foil pattern side to avoid cold solder joint.
2. This circuit upgrade will reduce AC spark at plug in.
2.2 OHM
20W RESISTOR
REMOVE JUMPER WIRE
ADD 2.2 OHM, 20W CEMENT RESISTOR
BEND RESISTOR LEGS TO AVOID
COLD SOLDER JOINT
Reference: FPR- PRINTED IN USA
PRINTED ON RECYCLED PAPER
Filename: TVP0271.SB
Directory: J:\SBDOC\OCT95
Template: C:\WINWORD\TEMPLATE\S_BULL.DOT
Title:
Subject:
Author: Hoyt Wing Lee
Keywords:
Comments:
Creation Date: 10/26/95 11:02 AM
Revision Number: 2
Last Saved On: 10/26/95 11:02 AM
Last Saved By: Hoyt Wing Lee
Total Editing Time: 1 Minute
Last Printed On: 04/01/96 10:48 AM
As of Last Complete Printing
Number of Pages: 1
Number of Words: 165 (approx.)
Number of Characters: 945 (approx.)