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Measuring
Item
instrument
RGB MODE
Signal
HORIZONTAL
generator
SHIFT
adjustment
Remote
control unit
A
VERTICAL SIZE
Signal
OFFSET
generator
adjustment
(60Hz)
Remote
control unit
Very close
Screen
size
Very close
VERTICAL
Signal
POSITION
generator
OFFSET
adjustment
Remote
(60Hz)
control unit
Test point
Adjustment part
RGBH
B
VSOF
Picture
size
100%
VPOF
C
D
Description
(1) Input R/G/B circle pattern signal via video input
terminal.
(2) Press [AV] key on the remote control unit, force the
TV to RGB mode.
(3) Enter the SERVICE MENU.
(4) Select RGBH with the [ / ] key.
(5) Adjust RGBH with the [ / ] key until the circle
pattern is horizontally centered.(A=B)
(6) Check and readjust RGBH item if the adjustment
becomes improper after some other geometric
adjustments are done.
(1) Receive a NTSC-M cross-hatch pattern of vertical
frequency 60Hz.
(2) Enter SERVICE MENU.
(3) Select VSOF with the [ / ] key.
(4) Adjust VSOF with the [ / ] key until the horizontal
black lines on both the upper and lower part of the
pattern become very close to the opper anr lower
horizontal sides of picture size and nearly about to
disappear.
(5) Check and readjust VSOF item if the adjustment
bocomes improper after some other geometric
adjustments are done.
(1) Receive a NTSC-M circle pattern of vertical
frequency 60Hz.
(2) Enter the SERVICE MENU.
(3) Select VPOF with the [ / ] key.
(4) Adjust VPOF with the [ / ] key until the picture is
vertically centered.(C=D)
(5) Check and readjust vertical position item if the
adjustment becomes improper after some other
geometric adjustments are done.
(No.52134)1-17
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