Sanyo PLC-XF46N - Page 83

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Electrical Adjustments
If you find the color shading on the screen, please
adjust the white uniformity by using the proper comput-
er and “Color Shading Correction” software supplied
separately. The software can be ordered as follows;
COLOR SHADING CORRECTION ver.. 4.00
Service Parts No. 645 075 9611
Note on WHITE UNIFORMITY Adjustment
Input mode Video mode
Input signal 50% white composite signal
1. Receive the 50% whole-white signal.
2. Enter the service mode.
3. Select group/item no. “930 - 1”(see note) and change
the lamp mode to Lamp 1-4 mode (2 Lamp mode).
4. Select group no. “211”, item no. “19” or “20”, and
change data values respectively to make a proper
white balance.
5. Select group/item no. “930 - 2”(see note) and change
the lamp mode to Lamp 2-3 mode (2 Lamp mode).
6. Select group no. “212”, item no. “19” or “20”, and
change data values respectively to make a proper
white balance.
Note :
■ If the data value appears "11" on the screen, go
to next item.
■ If the data value appears "0" on the screen, set
the data value to "10" and go to next item.
■ If the data value appears "99" on the screen,
wait until it is changed to "0". Then set the
data value to "10" and go to next item.
Note: If you want to change the lamp mode to 4-Lamp
mode, select group/item no. “930 - 0”(see note).
⁄7 White Balance adjustment [AV, 2 Lamps]
Lamp mode 4 Lamp mode
Input mode Video mode
Input signal 50% white composite signal
1. Receive the 50% whole-white signal.
2. Enter the service mode.
3. Select group no. “210”, item no. “19” or “20”, and
change data values respectively to make a proper
white balance.
⁄6 White Balance adjustment [AV]
Equipment Luminance meter
Lamp mode 4 Lamp mode
Input mode Computer mode
Input signal 100% and 50% white computer signal
1. Receive the 100% whole-white signal.
2. Enter the service mode.
3. Select group/item no. “200 - 18” and measure the
luminance on the screen with the luminance meter. It
is A for the reading of luminance meter.
4. Change the signal source to the 50% whole-white sig-
nal.
5. Change data value to make the reading of luminance
meter to be A x 22 ±2%.
Group No. Screen Ajustment value
100% white A (reading value)
200 - 18 50% white A x 22 ±2%
⁄3 Panel luminance adjustment (PC)
Lamp mode 4 Lamp mode
Input mode Computer mode
Input signal 50% white computer signal
1. Receive the 50% whole-white signal.
2. Enter the service mode.
3. Select group no. “200”, item no. “19” or “20”, and
change data values respectively to make a proper
white balance.
⁄4 White Balance adjustment [PC]
Equipment Luminance meter
Lamp mode 4 Lamp mode
Input mode Video mode
Input signal 100% and 50% white composite signal
1. Receive the 100% whole-white signal.
2. Enter the service mode.
3. Select group/item no. “210 - 18” and measure the
luminance on the screen with the luminance meter. It
is A for the reading of luminance meter.
4. Change the signal source to the 50% whole-white sig-
nal.
5. Change data value to make the reading of luminance
meter to be A x 22 ±2%.
Group No. Screen Ajustment value
100% white A (reading value)
210 - 18 50% white A x 22 ±2%
⁄5 Panel luminance adjustment (AV)