White Balance Adjustment; Sub-Bright Adjustment; Svc Adjustment Mode & Initial Data; Green Convergence Adjustment - LG PT-43 Service Manual

4) Press the OK button to escape from the adjustment.
3. Pattern Position Adjustment
1) Change into pattern shift mode.
(Press numeric buttons "9" & "4")
2) Adjust to the cursor locate in the center.
(Use buttons)
, , ,
F G D E
3) Quit pattern shift mode. (Press "OK" button)
4) Save adjusted phase/pattern position adjustment
mode.(Press "9", "2" & "OK" buttons)

4. Green Convergence Adjustment

1) Change cursor color in green.
("TV/AV" button)
2) Display green color only on the screen.
3) Adjust to coincide green pattern with screen jig pattern.
(Use buttons)
, , ,
F G D E
Move cursor and adjust convergence in same way with item 3).
Here, do it in the same order from center listed in figure.
8 6 5
7 5 3
6 4 2
7 5 3
8 6 5
5. Red Convergence adjustment
1) Change cursor color in red.
("TV/AV" button)
2) Display red color on the screen(Green color displaying).
3) Coincide the red screen with the green screen in same way
with that of green convergence adjustment.
6. Blue Convergence adjustment
1) Change cursor color in blue.
("TV/AV" button)
2) Coincide the blue screen with the green screen in same way
with that of red convergence adjustment.
7. Adjusted Data saving
1) Save the data after adjustment.
(Press "9", "1" & "OK" button)
2) Quit convergence adjustment mode. ("
The vertical
center
The horizontal center
4 5 6 8
2 3 5 7
1 2 4 6
2 3 5 7
4 5 6 8
" button)
M

White Balance Adjustment

O
1. Test Equipment
Brightness meter(CA110)
2. Adjustment
1) This adjustment must be operated in a dark room or
equivalent.
2) Adjust after Cut-Off and Focus adjustment.
3) The brightness meter must be located in 20!5 c m distance
from the center of the screen.
4) Receive WINDOW signal.(H=120!cd / m^2,L=15! 3 cd / m^2)
5) Set BRIGHT to H/Light adjustment mode in 4) and enter
SVC mode by pressing the "SVC" button. Adjust RG (R
Gain) and BG (B Gain) until color coordinate becomes
X=0.280 and Y=0.300 (Deviation : ! 0.01).
6) Set BRIGHT to L/Light adjustment mode and adjust CR (R
Cut Off) and CB (B Cut Off) until color coordinate becomes
X=0.280 and Y=0.300 (Deviation : ! 0.01).
7) Repeat adjusting until the color coordinate of H/Light and
L/Light is satisfied.
8) Save the data after adjustment.
(Press "OK" button)
9) Quit adjustment mode. (" TV/AV " button)

SUB-BRIGHT Adjustment

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0 1 2 3 4 5
Receive Ch. 14 of NTSC and enter SVC mode by pressing the
"SVC" button. Adjust S-BRI data until number "2" is classified.
(Use
, , ,
F G D E
SVC Adjustment mode & Initial data
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1. White Blalane adjustment data (IC:VDP3130Y)
Menu Description
Red Cut off
CR
Green Cut off
CG
CB Blue Cut off
Red Drive
RG
Green Drive
GG
BG Blue Drive
S-COL Sub Color
Sub Hue
S-HUE
DVD Hue
DVD HU
S-BRI Bright Color
- 14 -
6 7 8 9
US14CH
ENTER buttons)
Range
0~511
0~511
0~511
0~1023
0~1023
0~1023
Defalt
EA
EB
C0
1AA
220
2AA
50
57
37
110