108
PDP-503CMX, PDP-503MXE, PDA-5002
Input Signal Step
Adjusting Method
7
AD B LOW adjustment
Measure the black level (0IRE) of Blue signal at K4604, and adjust so that the level of AD B 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 B LOW : 11 key
Adjust by right and left keys.
8
AD B HIGH adjustment
Measure the signal amplitude of Blue signal at K4604, and adjust so that the level of AD B 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 LOW : 8 key
Adjust 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
RGB (PC)
signal
Input Signal
Adjusting Point
Adjusting Method
Fresh color
REFERENCE1 mode
in Factory mode
COLOR : key 3
TINT
: key 4
Reference : Adjustment values using the Media color-difference meter (A-100)
Color Balance Adjustment
After adjusting the white balance, check the flesh color of figures in LD still pictures. If the color
is not natural, adjust it with the keys on the remote control unit.
Color Balance Adjustment
NTSC
HD
PC
White
Balance
20% window-step signal
(-3dB)
x
298
299
302
y
307
315
308
Y
6.6
5.7
2.9
80% window-step signal
(-3dB)
x
293
292
297
y
309
312
319
Y
135
148
66.2
Flesh
Color
Window chroma signal
x
430
427
−
y
365
362
−
Содержание PDA-5002
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Страница 167: ...PDP 503CMX PDP 503MXE PDA 5002 167 Block Diagram ...
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