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Sony Service Company National Technical Services A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656

CONFIDENTIAL
Service Bulletin TV Products
No.

CSV-1

Model:

FDL-250T

509

Subject: UHF Red Bar Display Bent Symptom: (113X)

Date: November 27, 2000

UHF red channel bar becomes bent as volume is increased.

Solution:

If the customer should complain of the symptom above please perform the following. Serial number range affective 4000001 through 4004700

Ref

Schematic Location I-5 F-7 I-5 I-5

Description Former Not used originally 27 Ohm 10K 1/16W 10K 1/16W

Description New 10uf/6,3v 10 Ohm 22K 1/16W 22K 1/16 W

P/N

C625 R010 R613 R614

1-104-851-11 1-216-001-00 1-216-837-11 1-216-837-11

Change R613 & R614 to22K 1/16W

J601

Add 10uf cap between Q604 base (+) and ground (-)

Reference: Masaaki, Koike

PRINTED IN USA

TV Products Service Bulletin No. 509

R010 Change to 10 ohm

J601

Add to the base of Q604 a 10uf/6.3v capacitor. Positive end of capacitor to base of Q604

R613 & R614 Change to 22K 1/16 Watt