Sony D8 Digital Handycam DCR-TRV820E, Руководство по обслуживанию, Страница: 156 / 233

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5. Contrast Adjustment (VF-141 board)
Set the level of the VIDEO signal for driving the LCD to the speci-
fied value. If deviated, the screen image will be blackish or satu-
rated (whitish).
Mode Camera
Subject Arbitrary
Measurement Point
Pin
qs
of CN259 (EVF VG) on
FU-141 board
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 99
Specified Value
A=2.40 ± 0.1 Vp-p (NTSC model)
A=2.20 ± 0.1 Vp-p (PAL model)
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 99, change the data and set the volt-
age (A) between the pedestal (0 IRE) and 100 IRE to the speci-
fied value.
(The data of address: 99, should be “00” to “7F”)
3) Press the PAUSE button.
4) Select page: 0, address: 01, and set data: 00.
4. RGB AMP Adjustment (VF-141 board)
Set the D range of the RGB driver used to drive the LCD to the
specified value. If deviated, the EVF screen will become blackish
or saturated (whitish).
Mode Camera
Subject Arbitrary
Measurement Point
Pin
qs
of CN259 (EVF VG) on
FU-141 board
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 95
Specified Value A=7.00 ± 0.1 Vp-p
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 95, change the data and set the volt-
age (A) between the reversed waveform pedestal and non-re-
versed waveform pedestal to the specified value.
3) Press the PAUSE button.
4) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-15
Fig. 5-1-14
A
2H
Pedestal
Pedestal
A
2H
100 IRE
Pedestal