DCR-PC2E, DCR-PC3, DCR-PC3E - Sony Movie Service Manual (repair manual). Page 111

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5-29
2. Bright Adjustment (VC-220 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)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
7A
Specified Value
A = 7.10 ± 0.05V (DCR-PC3/PC3E)
A = 6.90 ± 0.05V (DCR-PC2E)
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 3, address: 0C, set data: 60, and press the PAUSE
button.
3)
Select page: 3, address: 22, set data: 02, and press the PAUSE
button.
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.
5)
Press the PAUSE button.
6)
Select page: 3, address: 22, set data: 00, and press the PAUSE
button.
7)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8)
Select page: 0, address: 01, and set data: 00.
3. Contrast Adjustment (VC-220 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)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
7B
Specified Value
A = 1.90 ± 0.05V
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 3, address: 0C, set data: 60, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 3, address: 22, set data: 02, and press the PAUSE
button.
4)
Select page: D, address: 7B, change the data and set the voltage
(A) between the 3-step peak and pedestal to the specified value.
5)
Press the PAUSE button.
6)
Select page: 3, address: 22, set data: 00, and press the PAUSE
button.
7)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8)
Select page: 0, address: 01, and set data: 00.
Pedestal
Pedestal
A
2H
3 step peak
Pedestal
A
2H
Fig. 5-1-14
Fig. 5-1-15
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