Sanyo PLC-XTC50AL Service Manual page 53

Electrical Adjustment
c PC-Auto calibration
Input mode Computer mode
Input signal 16-step gray scale computer signal
1. Enter the service mode.
. To start the auto-calibration for PC adjustment, select
Group "260", No. "0", and then change data value
"0" to "1".
After the auto-calibration completed, "OK" will appear
on the screen.
v Video-Auto calibration
Input mode Video mode (Composite)
Input signal 100% color bar signal
1. Enter the service mode.
. To start the auto-calibration for composite-video
adjustment, select Group "260", No. "0", and then
change data value "0" to "1".
After the auto-calibration completed, "OK" will appear
on the screen.
PC, Video, Component Manual adjustment
When the PC, Video or Component Auto Calibration
fails, take the following manual adjustment instead of
auto calibration.
[1] Pc Manual adjustment
Input mode Computer mode
Input signal 16-step gray scale computer signal
Adjust the data values as the 100% white part on the
screen becomes the most noisy (darkest).
Group No. Adjustment
10 - 3 ADC-Green Gain
10 - 4 ADC-Red Gain
10 - 5 ADC-Blue Gain
[2] Video Manual adjustment
Input mode Video mode (Composite)
Input signal 100% color bar signal
Black and noisy
image appears
16-step gray scale
White 100%
b Component-Auto calibration
1. Enter the service mode.
. To start the auto-calibration for component-video
3. Take auto-calibration for each component signal listed
Adjust the data values as the 100% white part on the
screen becomes the most noisy (darkest).
[3] component Manual adjustment
Adjust the data values as the 100% white part on the
screen becomes the most noisy (darkest).
Black 100%
-53-
Input mode Video mode (Component)
Input signal 100% color bar signal (480i)
100% color bar signal (480p)
100% color bar signal (70p)
100% color bar signal (1080i)
adjustment, select Group "260", No. "0", and then
change data value "0" to "1".
After the auto-calibration completed, "OK" will appear
on the screen.
above.
Group No. Adjustment
0 - 0 Y Level
Input mode Video mode (Component)
Input signal 100% color bar signal (480i)
100% color bar signal (480p)
100% color bar signal (70p)
100% color bar signal (1080i)
Group No. Adjustment
0 - 3 ADC-Green Gain
0 - 4 ADC-Red Gain
0 - 5 ADC-Blue Gain
Black and noisy
image appears
W Y C G M
100% full color bar
R B BK