1-24 (No.YA366)
4.8.4 VIDEO CIRCUIT
Item
Measuring
instrument
Test point
Adjustment part
Description
WHITE BALANCE
Signal
generator
Remote
control unit
[2. V/C]
2.CUTOFF R
3.CUTOFF G
4.CUTOFF B
5.DRIVE R
6.DRIVE G
(1) Receive a black and white signal (colour off).
(2) Set the ZOOM mode to REGULAR.
(3) Set the PICTURE MODE to STANDARD.
(4) Set the COLOUR TEMP to NORMAL.
(5) Select
2.V/C
from the SERVICE MODE.
(6) Each select
< 2.CUTOFF R >
,
< 3.CUTOFF G >
,
< 4.CUTOFF B >
and adjust the screen until the
black portion in the screen becomes black.
(7) Each select
< 5.DRIVE R >
,
< 6.DRIVE G >
and
adjust the screen until the white portion in the
screen becomes white.
NOTE:
Do not adjust
< 7.DRIVE B >
(8) Press the
[OK]
key to memorize the set value.
(9) Change the contrast and brightness from low-light
to high-light and check that the tracking of the white
balance is good.
SUB BRIGHT
Remote
control unit
[2. V/C]
8. BRIGHT
(1) Receive any broadcast.
(2) Set the ZOOM mode to REGULAR.
(3) Set the PICTURE mode to STANDARD.
(4) Select
2.V/C
from the SERVICE MODE.
(5) Set the initial setting value of
< 8.BRIGHT >
.
(6) If the brightness is not the best with the initial set-
ting value, make fine adjustment until you get the
best brightness.
(7) Press the
[OK]
key to memorize the set value.
SUB CONTRAST
Remote
control unit
[2. V/C]
9. CONT.
(1) Receive any broadcast.
(2) Set the ZOOM mode to REGULAR.
(3) Set the PICTURE mode to STANDARD.
(4) Select
2.V/C
from the SERVICE MODE.
(5) Set the initial setting value of
< 9.CONT. >
.
(6) If the contrast is not the best with the initial setting
value, make fine adjustment until you get the best
contrast.
(7) Press the
[OK]
key to memorize the set value.
Summary of Contents for AV-29L6SU, AV-29L6BU
Page 29: ... No YA366 1 29 ...
