5-32
4. Contrast Adjustment (PD-126 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
1
of CN2105 (VG)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
AA
Specified Value
A = 3.10 ± 0.05V
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 3 steps
peak and 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.
5
Check that the specified value of
“Bright Adjustment” is satisfied.
5. Center Level Adjustment (PD-126 board)
Set the video signal center level of LCD panel to an appropriate
level.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin
1
of CN2105 (VG)
Measuring Instrument
Digital voltmeter
Adjustment Page
D
Adjustment Address
AB
Specified Value
A = 7.00 ± 0.05Vdc
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
0C
60
Set the data, and press PAUSE
button.
3
3
22
08
Set the data, and press PAUSE
button.
4
D
AB
Change the data and set the DC
voltage (A) to the specified
value.
(The data should be “00” to
“7F”.)
5
D
AB
Press PAUSE button.
6
3
0C
00
Set the data, and press PAUSE
button.
7
3
22
00
Set the data, and press PAUSE
button.
8
0
01
00
Set the data.
3 steps peak
Pedestal
A
2H
Fig. 5-1-21.
Содержание DSR-250
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Страница 284: ...ELECTRONIC VIEWFINDER DXF 801 DXF 801CE SERVICE MANUAL Attached Manual ...
Страница 308: ...6 1 DXF 801 801CE MAIN MAIN COMPONENT SIDE Section 6 Board Layouts MAIN SOLDERING SIDE ...
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Страница 311: ...Sony EMCS Co DSR 250 250P 388 9 929 845 12 2001K1600 1 2001 11 Published by DI Customer Center ...
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Страница 321: ...DSR 250 250P Sony EMCS Co 9 929 845 82 2003A1600 1 2003 1 Published by DI Customer Center ...