Auto White Balance Adjustment - Sony DSC-S75 Service Manual

10. 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: Check that the data of page: 6, address: 02 is "00".
If not, turn the power of unit OFF/ON.
Note 2: Refer to "Picture Frame Setting" for YH and YL.
Note 3: The right 4 digits of the page: 1 displayed data of the
adjusting remote commander.
1:XX:XX
Note 4: "Auto White Balance Adjustment" is available only once
after the power is turned on. Turn the power off, then on
again if the adjustment is retried.
Adjusting method:
Order Page Address Data
1
2 0 01 01
3
4 6 2C 01
5 6 90 00
6 6 91 00
7 6 92 YL
8 6 93 YH
9 6 01 79
10 6 07
11 6 01 00
12 6 01 A7
49
4A
13 F
4B
4C
14 F 49 27
4A C0
4B 61
4C 00
15 6 01 A5
16 6 02
17 6 01 3F
18 0 03 04
CAMERA
Clear chart
(Color reproduction adjustment
frame with the zoom lens at
WIDE end)
Filter C14 for color temperature
correction
Displayed data of page: 1 (Note 3)
Adjusting remote commander
F
3F, 40, 80, A9, AA
R ratio: 2720 to 2860
B ratio: 6060 to 61A0
Displayed data
Procedure
Place the C14 filter on the lens.
Perform "Data setting during
camera system adjustments".
(Refer to page 5-14)
(Note 2)
(Note 2)
Press PAUSE button.
Check the data changes to "01".
Press PAUSE button.
Press PAUSE button.
Note down the data.
Press PAUSE button.
Press PAUSE button. (Note 5)
Check the data changes to "01".
Press PAUSE button.
Order Page Address Data
19 1
20 0 03
21 1
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 6 2C
4 6 92
5 6 93
49
4A
6 F
4B
4C
7
8 0 01
9
5-22
Ver. 1.2 2001. 08
Procedure
Check that the displayed data
(Note 3)
satisfies the R ratio specified
value.
05
Check that the displayed data
(Note 3)
satisfies the B ratio specified
value.
Procedure
00
00 Press PAUSE button.
00
00
00
Set the data noted down at
step 13, and press PAUSE
button.
Release the data setting
performed at step 3 .
(Refer to page 5-14)
00
Remove the C14 filter on the
lens.