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Electrical Adjustments
Equipment Oscilloscope
Input mode Computer [RGB(Analog)]
Image mode Powerful
Input signal 16-step gray scale signal (720p)
1. Enter the service mode.
2. Change data values for each test points to adjust the
pedestal level and black level to be the same level.
Item no. Test Point
0 - 3 TP35R
0 - 4 TP35G
0 - 5 TP35B
Black Lebel
Pedestal Lebel
b PC Pedestal adjustment
Equipment Oscilloscope
Input mode Computer [RGB(Analog)]
Image mode Powerful
Input signal 16-step gray scale computer signal
(720p format)
1. Enter the service mode.
2. Change data value for each test points to adjust
amplitude “a” to be below value.
Item no. Test Point
Adjustment value
8 - 3 TP35R 10.0 ±0.05Vdc
8 - 4 TP35G 10.0 ±0.05Vdc
8 - 5 TP35B 10.0 ±0.05Vdc
(a)
black level
black level
c Reference adjustment
Equipment Oscilloscope
Input signal 16-step gray scale signal
6-a Input mode Computer [RGB(Analog)]
Image mode Powerful
Input format 720p computer signal
6-b Input mode Component_1
Image mode Natural
Input format 480p component signal
6-c Input mode Component_1
Image mode Natural
Input format 480i component signal
6-d Input mode Component_1
Image mode Natural
Input format 1080i component signal
1. Enter the service mode.
2. Change data values for each test points to adjust the
waveform “a” to be minimum amplitude in each
mode.
Item no.
Test Point
6 - 0 TP35R
6 - 1 TP35G
6 - 2 TP35B
(a)
White Level
n Sub gain adjustment
Equipment Oscilloscope
Input mode Component_1 mode
Image mode Natural
Input signal 16-step gray scale signal (480p)
1. Enter the service mode.
2. Change data values for each test points to adjust the
pedestal level and black level to be the same level.
Item no. Test Point
4 - 25 TP_RIN
4 - 26 TP_GIN
4 - 27 TP_BIN
Black Lebel
Pedestal Lebel
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