
5-36
4. RGB AMP Adjustment (PD-130 board)
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Mode
VTR stop
Signal
No signal
Measurement Point
Pin
3
of CN5502 (VG)
External trigger: Pin
4
of CN5502
(PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
A5
Specified Value
A = 3.59 ± 0.05V
Note:
Press the DISPLAY button and erase the screen indicators.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
A5
Change the data and set the
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to
the specified value.
(The data should be “00” to
“3F”.)
3
D
A5
Press PAUSE button.
4
0
01
00
Set the data.
5. Contrast Adjustment (PD-130 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Mode
VTR stop
Signal
No signal
Measurement Point
Pin
3
of CN5502 (VG)
External trigger: Pin
4
of CN5502
(PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
AA
Specified Value
A = 3.34 ± 0.07V
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
AA
Change the data and set the
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value.
(The data should be “00” to
“7F”.)
3
D
AA
Press PAUSE button.
4
0
01
00
Set the data.
Fig. 5-3-20.
Fig. 5-3-21.
Pedestal
A
2H
Pedestal
0 IRE
100 IRE
A
2H
Содержание GV-D200E
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Страница 56: ...GV D200 D200E D800 D800E 4 9 REC PB AMP DAC DV I F Y C PROCESSOR LINE SERVO MECHA HI CONT D D CONV VC 250 ...
Страница 160: ...GV D200 D200E D800 D800E 206 9 929 853 11 Sony EMCS Co 2003F1600 1 2003 6 Published by DI CS Strategy Div ...
Страница 165: ... 8 GV D200 D200E D800 D800E Sony EMCS Co 2002C1600 1 2002 3 Published by DI Customer Center 9 929 853 81 ...