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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: KWP-65HD1 No. 482
Subject: Faint Vertical Bars on Screen. Date: June 6, 2000
Symptom:
(1343) Faint vertical bars may be seen on the screen (see illustration below). Typically, the
bars are found about 5" from the left side and/or about 14" from the right side.
Applicable serial numbers: 9000001 ~ 9000753
Solution: If the customer complains of this symptom, make component changes to the CG-
board and the D-board. Also, add a ground wire between ground lug CN5015 on the
D-board and a spare ground lug on the CRT chassis, and add 2 solder bridges as
shown on the following pages.
NOTE: On sets with serial numbers up to and including 9000150 the D-board
must be replaced with a later version. The new D-board still requires the
following procedure to be performed.
Description Part Number
SERVICE PARTS KIT (includes the T-998-607-14
items shown below, except the D-
board)
RESISTOR, 1.5K / 3W, 1-215-918-00
METAL FILM (6pcs.)
CAPACITOR, 0.01 uF, FILM 1-130-338-11
GROUND WIRE WITH CLIPS 1-900-274-84
D-BOARD, COMPLETE (required for A-1343-620-A
sets with serial numbers 9000001 -
9000150)
Faint Lines
Reference: PJA SBR 0010 PRINTED IN USA
TV Products Service Bulletin No. 482
Remove solder resist from the 2
patterns along side of CN5015,
then bridge the 2 patterns
together with solder. Be careful
not to short to Q5033!
Q5033
CN5015
D-Board Solder Side
Also add a solder Add solder
bridge to these Remove bridge across
ground patterns. solder-resist patterns.
from patterns.
TV Products Service Bulletin No. 482
D-Board Component Side
Replace C8012
with 0.01uF
(supplied with
parts kit).
Replace R8012, R8016, and R8020 with 3 pairs
of 1.5K / 3W resistors as shown (resistors are
supplied with parts kit). Each individual pair
should be twisted together and soldered at the
junction. Do not solder one pair to another!
TV Products Service Bulletin No. 482
CG Board (Component Side)
R7218 Mounting Location
R7218
CG Board (Solder Side)
R7218 New Mounting Location
2- Move
R7218 here.
1- Unsolder R7218
from these 2 pads.
TV Products Service Bulletin No. 482
D-Board Component Side
Ground lug
CN5015
Connect one end of the
ground wire supplied
with the parts kit to
CN5015.
Connect the other end of
the ground wire to a spare
ground lug on this corner
of the CRT chassis.
Route the ground wire
through the purse locks
along the front edge of
the A-Board.
Perform a full check of the TV's operations after performing the
changes on the previous pages.
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