DSC-P10, DSC-P12 (serv.man4) - Sony Digital Camera Service Manual (repair manual). Page 31

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DSC-P10/P12
6-29
4.
Contrast Adjustment (SW-386 Board)
Set the level of the VIDEO signal for driving the LCD to the speci-
fied value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
PLAY
Signal
Arbitrary
Measurement Point
Data of page: 40, address: 4F
Adjustment Page
4F
Adjustment Address
8A
Specified value
00
Note:
Perform “Bright Adjustment” before this adjustment.
Adjusting method:
Order Page Address
Data
Procedure
1
00
01
01 
[Set]
2
4F
02
02 
[Set]
3
4F
91
40 
[Set]
4
40
4F
03 
[Set]
5
40
4E
01 
[Set]
6
40
4F
[Read]
Check that the data
satisfied the specified
value.
Processing after Completing Adjustments:
Order Page Address
Data
Procedure
1
4F
02
[Read]
2
00
01
00 
[Set]
5.
Black Limit Adjustment (SW-386 Board)
Set the maximum amplitude of the RGB decoder for driving the
LCD to the specified value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
PLAY
Signal
Arbitrary
Measurement Point
Data of page: 40, address: 4F
Adjustment Page
4F
Adjustment Address
86
Specified value
00
Note:
Perform “Bright Adjustment” before this adjustment.
Adjusting method:
Order Page Address
Data
Procedure
1
00
01
01 
[Set]
2
4F
02
02 
[Set]
3
4F
9F
B5 
[Set]
4
40
4F
04 
[Set]
5
40
4E
01 
[Set]
6
40
4F
[Read]
Check that the data
satisfied the specified
value.
Processing after Completing Adjustments
Order Page Address
Data
Procedure
1
4F
02
[Read]
2
00
01
00 
[Set]
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