Service Manuals, User Guides, Schematic Diagrams or docs for : Sony sony tv bulletins sony tv bulletins TVP0288
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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-27XBR45, 32XBR45, 32XBR85 No. 288R1
Subject: White Bar Across The Screen Date: April 4, 1996
Symptom:
(134) White Bar or herringbone across the screen may appear when customer plays back pre-
recorded or rental tapes with copy guard.
Solution: Please perform the following procedure if serial number is in range:
Applicable Serial Number: KV27XBR45 700001 7016107
KV-32XBR45 700001 7035538
KV-32XBR85 700001 7009031
Step 1: If comb filter module (board) type in customer unit is:
a: DC
b: SBX1797-xx
Then, please replace it with new "DF" type comb filter board.
If type name of comb filter module(board) is "DF", replacement is not necessary.
REF FORMER NEW
DESCRIPTION PART NUMBER DESCRIPTION PART NUMBER
(COMB FILTER (COMB FILTER
MODULE) MODULE)
23 DC 8-741-797-01 DF BOARD A-1341-957-A
(PAGE 83) SBX1797-xx
(Cont.)
Reference: B. Burley, Chisholm PRINTED IN USA
PRINTED ON RECYCLED PAPER
TV Products Service Bulletin No. 288
Step 3: Please perform the following circuit change on DF board.
REF FORMER NEW
DESCRIPTION PART NUMBER DESCRIPTION PART NUMBER
C1237 CERAMIC, CHIP 1-163-017-00 CERAMIC, CHIP 1-163-009-11
0.0047UF 0.001UF
CERAMIC 0.001UF 1-164-645-11
Note: If you order new DF board from National Parts Center, you needs replace above
capacitor before installation.
2 types of Ceramic capacitors are available from National Parts Center.
You may use either.
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