(No.YA386)1-21
4.8.5 VIDEO CIRCUIT
The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values. The setting
values which adjust the screen to the optimum condition can be different from the initial setting values. Do not change the
initial setting values of the setting items not listed in "ADJUSTMENT PROCEDURE".
Item
Measuring
instrument
Test point
Adjustment part
Description
WHITE
BALANCE
(LOW LIGHT)
Signal
generator
Remote
control unit
[2.V/C]
1. CUT OFF (R)
1. CUT OFF (G)
1. CUT OFF (B)
SCREEN VR
[IN HVT]
(1) Receive a black and white signal (colour off).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select
< 1. CUT OFF >
.
(4) Set the initial setting value of
< 1. CUT OFF >
.
(5) Press the
[1]
key to show the single horizontal line
on screen.
(6) Turn the SCREEN VR fully counter-clockwise, then
slowly turn it clockwise to where one of a red, blue or
green colour is faintly visible.
(7) Adjust the two colors which did not appear until the
single horizontal line that is displayed becomes
white using the
[4]
to
[9]
keys.
(8) Turn the SCREEN VR to where the single horizontal
line glows faintly.
(9) Press the
[2]
key to turn off the single horizontal line.
(10) Press the
[DISPLAY]
key twice to return to the nor-
mal screen.
WHITE
BALANCE
(HIGH LIGHT)
Signal
generator
Remote
control unit
[2.V/C]
2. DRIVE (R)
2. DRIVE (B)
(1) Receive a black and white signal (colour off).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select
< 2. DRIVE >
.
(4) Set the initial setting value of
< 2. DRIVE >
.
(5) Adjust the screen until it becomes white using the
[4]
,
[6]
,
[7]
and
[9]
keys.
(6) Press the
[DISPLAY]
key twice to return to the nom-
al screen.
SUB BRIGHT
Remote
control unit
[2. V/C]
3. BRIGHT
(1) Receive any broadcast.
(2) Select 2. V/C from the SERVICE MENU.
(3) Select
< 3. BRIGHT >
.
(4) Set the initial setting value of
< 3. BRIGHT >
.
(5) If the brightness is not the best with the initial setting
value, make fine adjustment until you get the best
brightness.
SUB
CONTRAST
Remote
control unit
[2. V/C]
4. CONT.
(1) Receive any broadcast.
(2) Select 2. V/C from the SERVICE MENU.
(3) Select
< 4. CONT >
.
(4) Set the initial setting value of
< 4. CONT >
.
(5) If the contrast is not the best with the initial setting
value, make fine adjustment until you get the best
contrast.
1
2
3
CUTOFF ON
(H.LINE ON)
CUTOFF OFF
(H.LINE OFF)
R
G
B
G.CUTOFF( )
B. CUTOFF( )
B. CUTOFF( )
G.CUTOFF( )
4
5
6
7
8
9
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
R. CUTOFF( )
R. CUTOFF( )
1
2
3
R
B
4
5
6
7
8
9
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
B. DRIVE( )
R. DRIVE( )
R. DRIVE( )
B. DRIVE( )
