Read Sony DSC-V1 (serv.man4) Service Manual online
DSC-V1
6-29
5.
Black Limit Adjustment (SY-089 Board)
Set the black limit voltage of LCD panel to the specified value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
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
Adjusting method:
Order Page Address
Data
Procedure
1
00
01
01
[Set]
2
4F
9F
BD
[Write]
3
40
4F
04
[Set]
4
40
4E
01
[Set]
(Note)
5
40
4F
[Read]
Check that the data
satisfied the specified
value.
satisfied the specified
value.
Note:
The adjustment data will be automatically input to
page: 4F, address: 86.
page: 4F, address: 86.
Processing after Completing Adjustments
Order Page Address
Data
Procedure
1
00
01
00
[Set]
Fig. 6-1-14
A
A
A
A
B
B
B
B
6.
V-COM Adjustment (SY-089 Board)
Set the DC bias of the common electrode drive signal of LCD to
the specified value.
If deviated, the LCD display will be move, producing flicker and
conspicuous vertical lines.
the specified value.
If deviated, the LCD display will be move, producing flicker and
conspicuous vertical lines.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Check on the LCD screen
Measuring Instrument
Adjustment Page
4F
Adjustment Address
84
Specified value
The brightness difference between
the section-A and section-B is
minimum
the section-A and section-B is
minimum
Adjusting method:
Order Page Address
Data
Procedure
1
00
01
01
[Set]
2
40
F1
82
[Set]
3
4F
84
Change the data so that
brightness of the section
A and section B is equal.
brightness of the section
A and section B is equal.
4
4F
84
[Write]
Subtract 6 from the data,
and write this data.
and write this data.
Processing after Completing Adjustments:
Order Page Address
Data
Procedure
1
40
F1
00
[Set]
2
00
01
00
[Set]
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