1-18 (No.YA153)
4.7.4 VIDEO CIRCUIT ADJUSTMENTS
• 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 (adjustment) items not listed in "ADJUSTMENT PROCEDURE".
• The initial setting values in parenthesis ( ) are fixed offset values, needing no further adjustment.
Adjustment item
Variable range
Initial setting value
PAL
SECAM
NTSC3.58
NTSC4.43
1. SCREEN
BRI
0 ~ 63
32
32
32
32
2. CUTOFF
B
0 ~ 63
11
11
11
11
G
0 ~ 63
7
7
7
7
3. WDR
R
0 ~ 63
32
32
32
32
G
0 ~ 63
32
32
32
32
B
0 ~ 63
45
45
45
45
4. BRIGHT
RF
0 ~ 63
39
39
---
---
VIDEO 1
(-32 ~ +31)
(+3)
(+3)
(+3)
(+3)
VIDEO 2
(-32 ~ +31)
(+3)
(+3)
(+3)
(+3)
5. CONT.
RF
0 ~ 63
32
32
---
---
VIDEO
(-32 ~ +31)
(+2)
(+2)
(+2)
(+2)
6. COLOUR
RF
0 ~ 63(-32~ +31)
42
32
---
---
VIDEO
(-32 ~ +31)
(+2)
(+3)
(+7)
(+2)
7. TINT
RF
0 ~ 63(-32 ~ +31)
---
---
---
---
VIDEO
(-32 ~ +31)
---
---
(+5)
(+4)
8. SHARP
RF
0 ~ 63
48
48
---
---
VIDEO
0 ~ 63
48
48
48
48
9. Y DELAY
RF
0 ~ 15
5
5
---
---
VIDEO
0 ~ 15
5
5
5
5
10. TINT DVD
VIDEO
0 ~ 63
34
31
33
33
11. AMP T.SHARP RF, VIDEO
0 ~ 63
0
0
0
0
Item
Measuring
instrument
Test point
Adjustment part
Description
WHITE
BALANCE
(Low light)
adjustment
Signal
generator
Remote
control unit
[2. V/C]
2. CUTOFF (B)
2. CUTOFF (G)
SCREEN VR
[In HVT]
Note:
• 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
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
[2]
key to return to
2. CUTOFF
screen.
(9) Press the [DISPLAY] key twice to return to the normal
screen.
Adjustment Item
Variable
Initial setting
range
value
2. CUTOFF
B
0 ~ 63
11
G
0 ~ 63
7
PAL
2. CUTOFF
(B)
(G)
**
**
(
**
)
(
**
)
V/C
G CUTOFF (
)
1
2
3
4
7
8
9
5
6
B CUTOFF (
)
B CUTOFF (
)
G CUTOFF (
)
REMOTE CONTROL UNIT
Содержание AV-21D114
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