Read Sony DSC-P72 (serv.man4) Service Manual online
6-23
DSC-P72
12. CCD Linearity Check
Data picking is done to keep output linearity of the CCD imager,
even if the input level of CCD imager changes.
even if the input level of CCD imager changes.
Mode
STILL (
)
Subject
Clear chart (Standard picture frame)
Specified value1
97 to 103
Specified value2
97 to 103
Note:
If the data of page: 60, address: 02 is “01”, select page: 60, address:
01, and write data: 00.
01, and write data: 00.
Switch setting:
ZOOM ........................................................................... WIDE end
CAMERA setting (Menu setting) ........................................ AUTO
ZOOM ........................................................................... WIDE end
CAMERA setting (Menu setting) ........................................ AUTO
Adjusting method:
Order Page Address Data
Procedure
1
Check that “1. Data Setting
during Camera System
Adjustments” is performed.
during Camera System
Adjustments” is performed.
2
Check the picture frame. If
deviated, perform “4. Picture
Frame Setting”.
deviated, perform “4. Picture
Frame Setting”.
3
00
01
01
Set the data.
4
75
09
Read the data, and memorize it.
5
75
09
04
Write the data.
6
60
1F
80
Write the data.
7
77
F7
Read the data, and memorize it.
8
77
F7
42
Write the data.
9
77
F2
Read the data, and memorize it.
10
77
F2
02
Write the data.
11
60
14
90
Write the data.
12
60
12
9F
Write the data.
13
Wait for 2 sec.
14
60
01
F9
Write the data.
15
Wait for 2 sec.
16
60
E1
Read the data, and check it is “08”.
17
10
80
Read the data, and this data is
named D
named D
80
.
18
10
81
Read the data, and this data is
named D
named D
81
.
19
Calculate D
RG
using the
following equation
(Hexadecimal calculation)
D
(Hexadecimal calculation)
D
RG0
= D
80
×
100 + D
81
20
10
82
Read the data, and this data is
named D
named D
82
.
21
10
83
Read the data, and this data is
named D
named D
83
.
22
Calculate D
BG
using the
following equation
(Hexadecimal calculation)
D
(Hexadecimal calculation)
D
BG0
= D
82
×
100 + D
83
23
60
01
00
Write the data.
24
60
E1
00
Write the data.
25
77
72
Read the data, and memorize it.
26
77
72
30
Write the data.
27
Wait for 2 sec.
28
60
01
F9
Write the data.
Order Page Address Data
Procedure
29
Wait for 2 sec.
30
60
E1
Read the data, and check it is “08”.
31
10
80
Read the data, and this data is
named D
named D
80
.
32
10
81
Read the data, and this data is
named D
named D
81
.
33
Calculate D
RG
using the
following equation
(Hexadecimal calculation)
D
(Hexadecimal calculation)
D
RGH
= D
80
×
100 + D
81
34
10
82
Read the data, and this data is
named D
named D
82
.
35
10
83
Read the data, and this data is
named D
named D
83
.
36
Calculate D
BG
using the
following equation
(Hexadecimal calculation)
D
(Hexadecimal calculation)
D
BGH
= D
82
×
100 + D
83
37
60
01
00
Write the data.
38
60
E1
00
Write the data.
39
77
72
10
Write the data.
40
Wait for 2 sec.
41
60
01
F9
Write the data.
42
Wait for 2 sec.
43
60
E1
Read the data, and check it is “08”.
44
10
80
Read the data, and this data is
named D
named D
80
.
45
10
81
Read the data, and this data is
named D
named D
81
.
46
Calculate D
RG
using the
following equation
(Hexadecimal calculation)
D
(Hexadecimal calculation)
D
RGL
= D
80
×
100 + D
81
47
10
82
Read the data, and this data is
named D
named D
82
.
48
10
83
Read the data, and this data is
named D
named D
83
.
49
Calculate D
BG
using the
following equation
(Hexadecimal calculation)
D
(Hexadecimal calculation)
D
BGL
= D
82
×
100 + D
83
50
60
01
00
Write the data.
51
60
E1
00
Write the data.
52
Convert D
RG0
, D
BG0
, D
RGH
,
D
BGH
, D
RGL
and D
BGL
to decimal
number, and obtain D
RG0
’, D
BG0
’,
D
RGH
’, D
BGH
’, D
RGL
’ and D
BGL
’.
53
Calculate R/G ratio (H), B/G
ratio (H), R/G ratio (L) and B/G
ratio (L), using the following
equations (Decimal calculation)
ratio (H), R/G ratio (L) and B/G
ratio (L), using the following
equations (Decimal calculation)
R/G ratio (H) =
(D
RGH
’ / D
RG0
’)
×
100
B/G ratio (H) =
(D
BGH
’ / D
BG0
’)
×
100
R/G ratio (L) =
(D
RGL
’ / D
RG0
’)
×
100
B/G ratio (L) =
(D
BGL
’ / D
BG0
’)
×
100
Click on the first or last page to see other DSC-P72 (serv.man4) service manuals if exist.