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Measuring
Item
instrument
WHITE
Signal
BALANCE
generator
(Low light)
adjustment
Remote
control unit
REMOTE CONTROL UNIT
B CUTOFF (
)
B CUTOFF (
)
WHITE
Signal
BALANCE
generator
(High light)
adjustment
Remote
control unit
REMOTE CONTROL UNIT
R DRIVE (
)
R DRIVE (
)
1-18 (No.YA275)
Test point
Adjustment part
[2. V/C]
2. CUTOFF (B)
2. CUTOFF (G)
SCREEN VR
[In HVT]
V/C
PAL
2. CUTOFF
(B)
(
)
**
**
(G)
(
)
**
**
1
2
3
G CUTOFF (
4
5
6
7
8
9
G CUTOFF (
)
[2. V/C]
3. WDR (R)
3. WDR (G)
3. WDR (B)
V/C
PAL
3. WDR
(R)
(
)
**
**
(G)
(
)
**
**
(B)
(
)
**
**
1
2
3
G DRIVE (
)
4
5
6
B DRIVE (
)
7
8
9
B DRIVE (
)
G DRIVE (
)
Note:
• Set PICTURE MODE (VSM) to "BRIGHT".
- COMPOSITE WHITE BALANCE -
(1) Receive a PAL black and white signal (colour off).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select 2. CUTOFF (B) and (G).
(4) Set each value to initial setting value with the [4] / [7]
keys and [5] / [8] keys.
(5) Turn the SCREEN VR fully counterclockwise, then
slowly turn it clockwise to where a red, blue or green
colour is faintly visible.
(6) Use the [4] / [7] and [5] / [8] keys to adjust so that
the other 2 colours appear white.
(7) Turn the SCREEN VR to where the single horizontal
line glows faintly.
(8) Press the [DISPLAY] key twice to return to the normal
screen.
- COMPONENT WHITE BALANCE -
(1) Receive a PAL component black and white signal
(colour 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".
Adjustment
Item
2. CUT OFF
Notes:
• Proceed to the following adjustment after having
completed the WHITE BALANCE (Low light) adjustment.
• Set PICTURE MODE (VSM) to "BRIGHT".
(1) Receive a PAL black and white signal (colour off).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select 3. WDR (R), (G) and (B).
(4) Set each value to initial setting value with the [4] to
[9] keys.
(5) Use the [4] to [9] keys to produce a white screen.
(6) Press the [DISPLAY] key twice to return to the normal
screen.
Adjustment Item
3. WDR
Description
Variable
Initial setting value
range
COMPOSITE COMPONENT
B 0 ~ 63 (-32~+31)
11
G
0 ~ 63 (-32~+31)
7
Variable
Initial setting
range
R
0 ~ 63
0 ~ 63
G
B
0 ~ 63
(+3)
(-5)
value
32*
32
45*
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