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5-23
2. Bright Adjustment (VF-121 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
Camera
Subject
Arbitrary
Measurement Point
Pin
4
of CN2904 (EVF VG) on
VI-151 board
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
7A
Specified Value
A = 7.25 ± 0.05V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 3, address: 0C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 3, address: 22, set data: 02, and press the PAUSE
button of the adjustment remote commander.
4)
Select page: D, address: 7A, change the data and set the voltage
(A) between the reversed waveform pedestal and non-reversed
waveform pedestal to the specified value.
(The data of address: 7A should be “54” to “D7”.)
5)
Press the PAUSE button of the adjustment remote commander.
6)
Select page: 3, address: 22, set data: 00, and press the PAUSE
button of the adjustment remote commander.
7)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
8)
Select page: 0, address: 01, and set data: 00.
3. Contrast Adjustment (VF-121 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
Camera
Subject
Arbitrary
Measurement Point
Pin
4
of CN2904 (EVF VG) on
VI-151 board
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
7B
Specified Value
A = 1.81 ± 0.05V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 3, address: 0C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 3, address: 22, set data: 02, and press the PAUSE
button of the adjustment remote commander.
4)
Select page: D, address: 7B, change the data and set the voltage
(A) between the 100 IRE and 0 IRE (pedestal) to the specified
value.
5)
Press the PAUSE button of the adjustment remote commander.
6)
Select page: 3, address: 22, set data: 00, and press the PAUSE
button of the adjustment remote commander.
7)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
8)
Select page: 0, address: 01, and set data: 00.
Pedestal
Pedestal
A
2H
100 IRE
0 IRE (Pedestal)
A
2H
Fig. 5-1-18
Fig. 5-1-19
Содержание DCRTRV900 - MiniDV Handycam Digital Video Camcorder
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Страница 64: ...DCR TRV890E TRV900 TRV900E SECTION 3 BLOCK DIAGRAMS 3 1 OVERALL BLOCK DIAGRAM 3 1 3 2 3 3 3 4 ...
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Страница 67: ...DCR TRV890E TRV900 TRV900E FRAME SCHEMATIC DIAGRAM 2 4 5 4 6 4 7 4 8 FRAME SCHEMATIC DIAGRAM 2 ...