107
PDP-503CMX, PDP-503MXE, PDA-5002
Input Signal Step
Adjusting Method
Video signal
RGB (PC)
signal
14
Increase three steps of MAT CONT adjustment value of OFFSET-RGB1.
OFFSET mode: Select the RGB 1 mode by top and bottom keys
MAT CONT : 1 key
Increase three steps of adjustment value by right and left keys.
15
Increase two steps of MAT BRIGHT adjustment value of OFFSET-RGB1.
OFFSET mode: Select the RGB 1 mode by top and bottom keys
MAT BRIGHT : 2 key
Increase two steps of adjustment value by right and left keys.
16
Turn ACL SW setting to ON.
INITIALIZE mode
ACL SW : 3 key
Select ON by right and left keys.
Black level of
Green signal
Green signal
waveform
Adjust the black level of Red and Blue
signals to reference with black level
of Green signal
Black level of
Red or Blue signal
Signal amplitude
of Green signal
Green signal
waveform
Red or Blue
signal
waveform
Red or Blue
signal
waveform
Adjust the signal amplitude of Red and Blue
signals to reference with signal amplitude
of Green signal
1
Input a RGB (PC) signal to INPUT1 or INPUT2.
A signal pattern is only luminance signal such as lamp signal and a STEP signal.
And use the signal which black level (0IRE) and gradation can confirm.
• Recommended signal: VESA VGA@60Hz
2
Turn to standby once, and perform power supply ON with the factory mode once again.
MENU
→
SET
→
POWER ON
3
Take a trigger of oscilloscope with HD_PLL (3.3Vp-p) of K4805.
4
Measure the signal waveform of Green signal at K4603, and measure the black level (0IRE) of signal and signal
amplitude.
5
AD R LOW adjustment
Measure the black level (0IRE) of Red signal at K4602, and adjust so that the level of AD R LOW to match the black
level (0IRE) of Green signal which measured with step 10 of video signal.
Adjustment error:
±
0.05V
OFFSET mode: Select the RGB 1 mode by top and bottom keys
AD R LOW : 9 key
Adjust by right and left keys.
6
AD R HIGH adjustment
Measure the signal amplitude of Red signal at K4602, and adjust so that the level of AD R HIGH to match the signal
amplitude of Green signal which measured with step 10 of video signal.
Adjustment error:
±
0.05V
OFFSET mode: Select the RGB 1 mode by top and bottom keys
AD R HIGH : 6 key
Adjust by right and left keys.
Содержание PDA-5002
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Страница 167: ...PDP 503CMX PDP 503MXE PDA 5002 167 Block Diagram ...
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