Sanyo PLV-55WHD1 Service Manual page 76

Electrical Adjustments
.
Panel luminance adjustment [Mid]
Equipment luminance meter
Input mode VIDEO_1 [Video] mode
Picture Auto
Mid
Lamp mode
1. Enter the service mode.
2. Receive the 100% whole-white signal, and select
10
item no. " ", the screen image will be whole-green.
3. Measure luminance on the screen with the luminance
B
meter. It is for the reading of luminance meter.
4. Change the signal source to the 50% whole-white
signal.
5. Change data value to make the reading of luminance
B x 22±1%
meter to be
6. Receive the 100% whole-white signal, and select
11
item no. " ", the screen image will be whole-blue.
7. Measure luminance on the screen with the luminance
C
meter. It is for the reading of luminance meter.
8. Change the signal source to the 50% whole-white
signal.
9. Change data value to make the reading of luminance
C x 22±1%
meter to be
10. Receive the 100% whole-white signal, and select
12
item no. " ", the screen image will be whole-red.
11. Measure luminance on the screen with the lumi-
D
nance meter. It is
meter.
12. Change the signal source to the 50% whole-white
signal.
13. Change data value to make the reading of lumi-
D x 22±1%
nance meter to be
Item no. Screen
10 100% green
50% green
11 100% blue
50% blue
12 100% red
50% red
Note:
If the luminance meter is not equipped, you can take
another method instead as follows;
1. When the main board is replaced, the data value at
10/11/12
" " of the previous main board should be
copied manually.
2. If the main board is not replaced, you need not re-
adjust these items.
.
.
for the reading of luminance
.
Ajustment value
B
(reading value)
B x 22±1%
C
(reading value)
C x 22±1%
D
(reading value)
D x 22±1%
⁄0
White balance adjustment [Mid]
Input mode VIDEO_1 [Video] mode
Picture Auto
Mid
Lamp mode
1. Enter the service mode.
2. Receive the 100% whole-white signal.
13
3. Select item no. "
(Red), and change data values respectively to make
a proper white balance.
4. Receive the 50% whole-white signal.
17
5. Select item no. "
data values respectively to make a proper white bal-
ance.
Note:
Confirm that the same white balance is obtained in
100% white and 50% white signals.
Note on WHITE UNIFORMITY Adjustment
If you find the color shading on the screen, please adjust
the white uniformity by using the proper computer and
"Color Shading Correction" software supplied separate-
ly. The software can be ordered as follows;
COLOR SHADING CORRECTION ver.. 4.00
Service Parts No.
-76-
14
" (Green), " " (Blue) or "
18
" (Blue) or " " (Red), and change
645 075 9611
15
"