Read Sony DSC-U40 (serv.man4) Service Manual online
DSC-U40
6-19
12. CCD Linearity Check
Check that CCD output keeps being straight even ISO sensitivity
is changed.
is changed.
Mode
CAMERA
Subject
Clear chart
(Standard picture frame)
(Standard picture frame)
Measurement Point
Data of page: 10, address: 08 and
09 (2byte data) (Note 2)
09 (2byte data) (Note 2)
Data of page: 10, address: 0A and
0B (2byte data) (Note 2)
0B (2byte data) (Note 2)
Adjustment Page
6F
Adjustment Address
88 to 8F, 9A and 9B
Specified value 1
000 to 300
Specified value 2
000 to 500
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: 09 or 0B)
Upper 1byte data
(Page: 10, address: 08 or 0A)
(Page: 10, address: 09 or 0B)
Upper 1byte data
(Page: 10, address: 08 or 0A)
Checking 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
79
F3
[Read]
Note down the data
4
79
F3
66
[Write]
5
79
EB
[Read]
Note down the data
6
79
EB
FF
[Write]
7
60
37
25
[Set]
8
60
01
0F
[Write]
9
60
02
[Read]
Check the data changes
to “01”.
to “01”.
10
10
08
[Read]
Read the data
(Upper 1byte).
(Upper 1byte).
11
10
09
[Read]
Read the data
(Lower 1byte).
(Lower 1byte).
12
This 2byte data
(Note 2) is named D1.
(Note 2) is named D1.
13
10
0A
[Read]
Read the data
(Upper 1byte).
(Upper 1byte).
14
10
0B
[Read]
Read the data
(Lower 1byte).
(Lower 1byte).
15
This 2byte data
(Note 2) is named D2.
(Note 2) is named D2.
16
60
01
00
[Write]
17
75
9A
[Read]
Note down the data.
18
75
9A
84
[Write]
Order Page Address
Data
Procedure
19
60
37
23
[Set]
20
60
01
0F
[Write]
21
60
02
[Read]
Check the data changes
to “01”.
to “01”.
22
10
08
[Read]
Read the data
(Upper 1byte).
(Upper 1byte).
23
10
09
[Read]
Read the data
(Lower 1byte).
(Lower 1byte).
24
This 2byte data
(Note 2) is named D3.
(Note 2) is named D3.
25
Calculate S1 using
following equations.
(hexadecimal calcula-
tion)
S1 = D1 – D3
(S1: absolute value)
following equations.
(hexadecimal calcula-
tion)
S1 = D1 – D3
(S1: absolute value)
26
Check that the S1
satisfies the specified
value 1.
satisfies the specified
value 1.
27
10
0A
[Read]
Read the data
(Upper 1byte).
(Upper 1byte).
28
10
0B
[Read]
Read the data
(Lower 1byte).
(Lower 1byte).
29
This 2byte data
(Note 2) is named D4.
(Note 2) is named D4.
30
Calculate S2 using
following equations.
(hexadecimal calcula-
tion)
S2 = D2 – D4
(S2: absolute value)
following equations.
(hexadecimal calcula-
tion)
S2 = D2 – D4
(S2: absolute value)
31
Check that the S2
satisfies the specified
value 1.
satisfies the specified
value 1.
32
60
01
00
[Write]
33
75
10
[Read]
Note down the data.
34
75
10
FF
[Write]
35
79
70
[Read]
Note down the data.
36
79
70
53
[Write]
37
60
37
24
[Set]
38
60
01
0F
[Write]
39
60
02
[Read]
Check the data changes
to “01”.
to “01”.
40
10
08
[Read]
Read the data
(Upper 1byte).
(Upper 1byte).
41
10
09
[Read]
Read the data
(Lower 1byte).
(Lower 1byte).
42
This 2byte data
(Note 2) is named D5.
(Note 2) is named D5.
43
Calculate S3 using
following equations.
(hexadecimal calcula-
tion)
S3 = D1 – D5
(S3: absolute value)
following equations.
(hexadecimal calcula-
tion)
S3 = D1 – D5
(S3: absolute value)
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