Auto White Balance Adjustment - Sony DSC-F55 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: Perform "Auto White Balance Standard Data Input" before this
adjustment.
Note 2: Check that the data of page: 6, address: 02 is "00". If not, turn the
power of the unit OFF/ON.
Note 3: Displayed data of page 1 of the adjustment remote commander.
1 : XX : XX
Adjusting method:
1) Place the C14 filter for color temperature correction on the
lens.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: E, address: 52, after noting down the data, set
data: 0E, and press the PAUSE button of the adjustment remote
commander.
4) Select page: F, address: 49 to 4C, and note down the data of
each address.
5) Input the following data to page: F, addresses: 49 to 4C.
Address
49
Data
2A
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
6) Select page: 5, address: F1, and set data: FF.
7) Select page: 6, address: 10, and set data: 58.
8) Select page: 6, address: 01, set data: A7, and press the PAUSE
button.
9) Select page: 6, address: 01, set data: A5, and press the PAUSE
button.
(The auto white balance adjustment is performed and the
adjustment data is stored in page: F, address: 3F and 40.)
10) Select page: 6, address: 02, and check that the data is "01".
11) Select page: 6, address: 01, set data: 3F, and press the PAUSE
button.
12) Select page: 0, address: 03, and set data: 04.
13) Select page: 1, and check that the display data (Note3) satisfies
the R ratio specified value.
14) Select page: 0, address: 03, and set data: 05.
15) Select page: 1, and check that the display data (Note3) satisfies
the B ratio specified value.
16) Select page: F, address: 49 to 4C, and input the data noted down
at step 4).
Note: After setting each data, be sure to press the PAUSE button of
the adjustment remote commander.
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STILL
Clear chart
(Color reproduction adjustment frame)
Filter C14 for color temperature
correction
Display data of page 1 (Note2)
Adjustment remote commander
F
3F, 40
R ratio: 2A40 to 2AC0
B ratio: 5E40 to 5F40
Display data
4A 4B 4C
80 5E C0
Processing after Completing Adjustments:
1) Select page: E, address: 52, set the data noted down at step 3),
and press the PAUSE button of the adjustment remote
commander.
2) Select page: 6, address: 10, and set data: 00.
3) Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
4) Select page: 5, address: F1, and set data: 00.
5) Select page: 0, address: 03, and set data: 00.
6) Select page: 0, address: 01, and set data: 00.
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