1-24 (No.YA453)
4.8.5 VIDEO CIRCUIT
Item
Measuring
instrument
Test point
Adjustment part
Description
WHITE
BALANCE
(Low light)
Signal
generator
Remote
control unit
[2. V/C]
2. CUTOFF (B)
2. CUTOFF (G)
SCREEN VR
[In HVT]
COMPOSITE WHITE BALANCE
(1) Receive a PAL black and white signal (COLOR off).
(2) Set the PICTURE MODE to
BRIGHT
.
(3) Select
2. V/C
from the SERVICE MODE.
(4) Select
<2. CUTOFF> (B)
and
(G)
.
(5) Set each value to initial setting value with the
[4]
/
[7]
keys and
[5]
/
[8]
keys.
(6) Turn the
SCREEN VR
fully counterclockwise, then
slowly turn it clockwise to where a red, blue or green
COLOR is faintly visible.
(7) Use the
[4]
/
[7]
and
[5]
/
[8]
keys to adjust so that
the other 2 COLORs appear white.
(8) Turn the
SCREEN VR
to where the single horizontal
line glows faintly.
(9) Press the
[OK]
key to memorize the set values.
COMPONENT WHITE BALANCE
(1) Receive a PAL component black and white signal
(COLOR off).
(2) Select VIDEO-2 SET from the MENU and set
VIDEO-2 SET to COMPONENT.
(3) Adjust COMPONENT WHITE BALANCE in the
same way as "COMPOSITE WHITE BALANCE".
WHITE
BALANCE
(High light)
Signal
generator
Remote
control unit
[2. V/C]
3. WDR (R)
3. WDR (G)
3. WDR (B)
(1) Receive a PAL black and white signal (COLOR off).
(2) Set the PICTURE MODE to
BRIGHT
.
(3) Select
2. V/C
from the SERVICE MODE.
(4) Select
<3. WDR> (R)
,
(G)
and
(B)
.
(5) Set each value to initial setting value with the
[4]
to
[9]
keys.
(6) Use the
[4]
to
[9]
keys to produce a white screen.
(7) Press the
[OK]
key to memorize the set values.
SUB BRIGHT
Remote
control unit
[2. V/C]
4. BRIGHT
(1) Receive a NTSC broadcast.
(2) Set the PICTURE MODE to
BRIGHT
.
(3) Select
2. V/C
from the SERVICE MODE.
(4) Select
<4. BRIGHT>
.
(5) Set the initial setting value of
<4. BRIGHT>
.
(6) If the brightness is not best with the initial setting value,
make fine adjustment until you get the best brightness.
(7) Press the
[OK]
key to memorize the set values.
SUB
CONTRAST
Remote
control unit
[2. V/C]
5. CONT
(1) Receive a NTSC broadcast.
(2) Set the PICTURE MODE to
BRIGHT
.
(3) Select
2. V/C
from the SERVICE MODE.
(4) Select
<5. CONT>
.
(5) Set the initial setting value of
<5. CONT>
.
(6) If the contrast is not best with the initial setting value,
make fine adjustment until you get the best contrast.
(7) Press the
[OK]
key to memorize the set values.
G CUTOFF (
)
1
2
3
4
7
8
9
5
6
B CUTOFF (
)
B CUTOFF (
)
G CUTOFF (
)
REMOTE CONTROL UNIT
G DRIVE (
)
1
2
3
4
7
8
9
5
6
R DRIVE (
)
B DRIVE (
)
B DRIVE (
)
R DRIVE (
)
G DRIVE (
)
REMOTE CONTROL UNIT
Summary of Contents for InteriArt AV-21VT16/P
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