Read Sony DSC-U20 (serv.man4) Service Manual online
DSC-U20
6-14
5.
Light Value Adjustment
Adjust the standard light value.
Mode
CAMERA
Subject
Clear chart
(Standard picture frame)
(Standard picture frame)
Measurement Point
Data of page: 10, address: 0C and
0D (2byte data) (Note 2)
0D (2byte data) (Note 2)
Data of page: 6F, address: 65
Adjustment Page
6F
Adjustment Address
65 to 67
Specified value 1
0FE0 to 1020
Specified value 2
38 to 48
Note 1:
Check that the data of page: 60, address: 02 is “00”. If
not, press the RESET switch at the bottom of the set us-
ing a thin and long pin.
not, press the RESET switch at the bottom of the set us-
ing a thin and long pin.
Note 2:
2byte data is upper 1byte data and lower 1byte data.
XX XX
Lower 1byte data (Page: 10, address: 0D)
Upper 1byte data (Page: 10, address: 0C)
Upper 1byte data (Page: 10, address: 0C)
Adjusting method:
Order Page Address
Data
Procedure
1
Perform “Data setting
during camera system
adjustment”
(Refer to page 6-10)
during camera system
adjustment”
(Refer to page 6-10)
2
Perform “Picture frame
setting”
(Refer to page 6-10)
setting”
(Refer to page 6-10)
3
60
01
0D
[Write]
(Note 3)
4
60
02
[Read]
Check the data changes
to “01”.
to “01”.
5
10
0C
[Read]
Read the data
(Upper 1byte).
(Upper 1byte).
6
10
0D
[Read]
Read the data
(Lower 1byte).
(Lower 1byte).
7
Check that the 2byte
data (Note 2) satisfied
the specified value 1.
data (Note 2) satisfied
the specified value 1.
8
6F
65
[Read]
Check that the data
satisfied the specified
value 2.
satisfied the specified
value 2.
Note 3:
The adjustment data will be automatically input to page:
6F, address: 65 to 67.
6F, address: 65 to 67.
Processing after Completing Adjustment:
Order Page Address
Data
Procedure
1
60
01
00
[Write]
2
Release “Data setting
during camera system
adjustment”
(Refer to page 6-10)
during camera system
adjustment”
(Refer to page 6-10)
6.
Mixed Color Cancel Data Input & Check
Correct the dispersion of Gr/Gb filter on CCD imager
Mode
CAMERA
Subject
Color bar chart
(Standard picture frame)
(Standard picture frame)
Adjustment Page
6F
Adjustment Address
B0 and B1
Input method:
Order Page Address
Data
Procedure
1
00
01
01
[Set]
2
6F
B0
00
[Write]
3
6F
B1
32
[Write]
4
00
01
00
[Set]
Checking method:
Order
Procedure
1
Shoot the color bar chart.
2
Capture the shot picture into the PC, and display the
picture on the PC screen.
picture on the PC screen.
3
Confirm that no line (horizontal streak) is present in
blue, red and magenta portions of the picture of color
bar chart displayed.
blue, red and magenta portions of the picture of color
bar chart displayed.
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