Auto White Balance Adjustment - Sony MVC-FD97 Service Manual

12. 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 Standard Data Input" be-
fore 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 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 5 F1 FF
4 D 63 40
5
6 6 01 A7
49
4A
7 F
4B
4C
49 28
4A 00
8 F
4B 5E
4C 80
9 6 01 A5
10 6 02
11 6 01 3F
12 0 03 04
CAMERA
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
R ratio: 2760 to 28A0
B ratio: 5DE0 to 5F20
Displayed data
Procedure
Place the C14 filter on
the lens.
Press PAUSE button.
Perform "Data setting during
camera system adjustment".
(Refer to page 5-14)
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
13 1
14 0 03
15 1
Note 5: The adjustment data will be automatically input to page:
F, address: 3F, 40 and 80.
Processing after Completing Adjustment:
Order Page Address Data
1 0 03
2 6 01
49
3 F 4A
4B
4C
4 5 F1
5 D 63
6
7 0 01
5-24
Procedure
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.
Procedure
00
00 Press PAUSE button.
Set the data noted down at
step 7, and press PAUSE
button.
00
00 Press PAUSE button.
Release the data setting
performed at step 5.
(Refer to page 5-14)
00