5-27
4. RGB AMP Adjustment (PD-131 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 = 2.80 ± 0.05V
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.
Fig. 5-1-19.
Pedestal
A
2H
Pedestal
5. Contrast Adjustment (PD-131 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 = 2.80 ± 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. 5-1-20.
0 IRE
100 IRE
A
2H
Содержание DCR-TRV130 - Digital8 Camcorder
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Страница 68: ...DCR TRV130 TRV130E 4 17 4 18 RGB TIMING GENERATOR BACK LIGHT PD 131 ...
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Страница 80: ...5 1 DCR TRV130 TRV130E SECTION 5 ADJUSTMENTS ...
Страница 154: ...Sony EMCS Co 2001E1600 1 2001 5 Published by DI Customer Center DCR TRV130 TRV130E 180 9 929 860 32 ...