Sanyo PLC-WL2500A, Руководство по обслуживанию

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Electrical Adjustments
PC, video, component manual adjustment
[1] Manual adjustment (PC)
Input mode Computer 1 (RGB)
Input signal XGA computer signal
Input pattern 16-step gray scale
- Pedestal adjustment
1. Enter the service mode.
2. Adjust the black level to be minimum by changing the
data values of the Group - No.
Group No. Test Point Adjustment
0 - 0
TP35G ADC G-Offset
0 - 1
TP35R ADC R-Offset
0 - 2
TP35B ADC B-Offset
Black Lebel
- Gain adjustment
1. Enter the service mode.
2. Adjust the amplitude “
a
” to be minimum by changing
the data values of the Group - No.
Group No. Test Point Adjustment
0 - 3
TP35G ADC G-Gain
0 - 4
TP35R ADC R-Gain
0 - 5
TP35B ADC B-Gain
(a)
White Level
[2] Manual adjustment (Component)
Input mode Computer 1 (Component)
Input signal 480i component signal
Input pattern 16-step gray scale
- Pedestal adjustment
1. Enter the service mode.
2. Adjust the black level to be mimimum by changing the
data values of the Group - No.
Group No. Test Point Adjustment
0 - 0
TP35G ADC G-Offset
0 - 1
TP35R ADC R-Offset
0 - 2
TP35B ADC B-Offset
Black Lebel
- Gain adjustment
1. Enter the service mode.
2. Adjust the amplitude “
a
” to be minimum by changing
the data values of the Group - No.
Group No. Test Point Adjustment
0 - 3
TP35G ADC Y-Gain
(a)
White Level
When the PC, video or component auto calibration fails,
take the following manual adjustment instead of auto
calibration.
[3] Manual adjustment (Video)
Input mode Video
Input signal Composite video signal
Input pattern 16-step gray scale
- Gain adjustment
1. Enter the service mode.
2. Adjust the amplitude “
a
” to be minimum by changing
the data values of the Group - No.
Group No. Test Point Adjustment
20 - 0
TP35G Y-Level
(a)
White Level