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.
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.
Switch setting:
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.
2
Check the picture frame. If
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
80
.
18
10
81
Read the data, and this data is
named D
81
.
19
Calculate D
RG
using the
following equation
(Hexadecimal calculation)
D
RG0
= D
80
×
100 + D
81
20
10
82
Read the data, and this data is
named D
82
.
21
10
83
Read the data, and this data is
named D
83
.
22
Calculate D
BG
using the
following equation
(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
80
.
32
10
81
Read the data, and this data is
named D
81
.
33
Calculate D
RG
using the
following equation
(Hexadecimal calculation)
D
RGH
= D
80
×
100 + D
81
34
10
82
Read the data, and this data is
named D
82
.
35
10
83
Read the data, and this data is
named D
83
.
36
Calculate D
BG
using the
following equation
(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
80
.
45
10
81
Read the data, and this data is
named D
81
.
46
Calculate D
RG
using the
following equation
(Hexadecimal calculation)
D
RGL
= D
80
×
100 + D
81
47
10
82
Read the data, and this data is
named D
82
.
48
10
83
Read the data, and this data is
named D
83
.
49
Calculate D
BG
using the
following equation
(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)
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
Содержание Cyber-Shot DSC-P72
Страница 1: ...http servis manual com ...