Auto White Balance Adjustment - Sony Cyber-shot DSC-P1 Service Manual

9. Auto White Balance Adjustment

Adjust to the proper auto white balance output data.
If it is not correct, auto white balance and color reproducibility
will be poor.
Mode
Subject
Filter
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note 1: Perform "Auto White Balance Reference Data Input"
before this adjustment.
Note 2: Check that the data of page: 6, address: 02 is "00".
If not, turn the power of unit OFF/ON.
Note 3: The right four digits of the page: 1 displayed data of the
adjusting remote commander.
1:XX:XX
Note 4: Refer to "Picture Frame Setting" for XH, XL, YH and
YL.
Adjusting method:
Order Page Address Data
1
2 0 01 01
3 5 F1 FF
4 D 63 40
5
6 F 27
7 F 27 80
8 6 90 00
9 6 91 04
10 6 92 00
11 6 93 30
12 6 6C 01
13 6 2C 01
14 6 01 79
15
16 6 01 A7
49
4A
17 F
4B
4C
49 29
4A 80
18 F
4B 5D
4C 00
STILL
Clear chart
(Color reproduction adjustment
frame)
Filter C14 for color temperature
correction
Displayed data of page: 1 (Note 3)
Adjusting remote commander
F
3F, 40, 80, A9, AA
R ratio: 28E0 to 2A20
B ratio: 5C60 to 5DA0
Displayed data
Procedure
Place the C14 filter on
the lens.
Press PAUSE button.
Perform "Data setting during
camera system adjustment".
(Refer to page 5-13)
Note down the data.
Press PAUSE button.
Press PAUSE button.
Wait for 3 seconds.
Press PAUSE button.
Note down the data.
Press PAUSE button.
19 6 01
20 6 02
21 6 01
22 0 03
23 1
24 0 03
25 1
26 6 90
27 6 91
28 6 92
29 6 93
30 6 6C
31 6 2C
32 6 01
33
34 6 01
35 6 13
36 6 01
37 6 02
Note 5: The adjustment data will be automatically input to page:
F, address: 3F, 40, 80, A9 and AA.
Processing after Completing Adjustment:
Order Page Address Data
1 0 03
2 6 01
3 F 27
49
4A
4 F
4B
4C
5 6 13
6 5 F1
7 D 63
8
9 0 01
5-20
A5 Press PAUSE button. (Note 5)
Check the data changes to
"01".
3F Press PAUSE button.
04
Check that the displayed data
(Note 3) satisfied the R ratio
specified value.
05
Check that the displayed data
(Note 3) satisfied the B ratio
specified value.
XL (Note 4)
XH (Note 4)
YL (Note 4)
YH (Note 4)
01
01
79 Press PAUSE button.
Wait for 3 seconds
11 Press PAUSE button.
88 Press PAUSE button.
D3 Press PAUSE button. (Note 5)
Check the data changes to
01
"01".
Procedure
00
00 Press PAUSE button.
Set data noted down at step 6,
and press PAUSE button.
Set data noted down at step 17,
and press PAUSE button.
00 Press PAUSE button.
00
00 Press PAUSE button.
Release the data setting
performed at step 5.
(Refer to page 5-13)
00