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5-32
2. Black Limit Adjustment (PD-112 board)
Set the dynamic range of the LCD driver to an appropriate level. If
deviated, the LCD screen will become blackish or saturated
(whitish).
deviated, the LCD screen will become blackish or saturated
(whitish).
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 4 of CN8201 (PSIG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
82
Specified Value
A = 8.00 ± 0.05V
Adjusting method:
1)
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 0F, and set data: 01.
3)
Select page: D, address: 82, change the data and set the PSIG
signal amplitude (A) to the specified value.
signal amplitude (A) to the specified value.
4)
Press the PAUSE button.
5)
Select page: 2, address: 0F, and set data: 00.
6)
Select page: 0, address: 01, and set data: 00.
3. Bright Adjustment (PD-112 board)
Set the level of the VIDEO signal for driving the LCD to an
appropriate level. If deviated, the screen image will be blackish or
saturated (whitish).
appropriate level. If deviated, the screen image will be blackish or
saturated (whitish).
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin 1 of CN8201 (VG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
8A
Specified Value
A = 7.10 ± 0.05V
Adjusting method:
1)
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.
button of the adjustment remote commander.
3)
Select page: 3, address: 22, set data: 08, and press the PAUSE
button.
button.
4)
Select page: D, address: 8A, change the data and set the voltage
(A) between the reversed waveform pedestal and non-reversed
waveform pedestal to the specified value.
(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.
button.
7)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
button.
8)
Select page: 0, address: 01, and set data: 00.
Fig. 5-1-17
Fig. 5-1-18
A
V
Pedestal
Pedestal
A
2H
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