Read Sony CCD-TR555 / CCD-TR555E Service Manual online
6-23
1-2-16. Auto white balance adjustment
Purpose :
Adjust the outdoor auto white balance output
data for the correct value.
data for the correct value.
Adjustment error :
Poor white balance at outdoor.
Subject
Clear chart
(Color bar standard picture frame)
(Color bar standard picture frame)
Filter
Color temperature correction filter C14
Measurement Point
EVF or DDS display on monitor TV
Measuring Instrument
Adjustment Page
F
Adjustment Address
45
46
46
Specification Value
R ratio = 2XX0h
±
40h
XX = Data at address : 06 on page F
B ratio = YY80h
±
40h
YY = Data at address : 07 on page F
Note :
Make this adjustment after “Auto white balance reference data
input” is completed.
input” is completed.
Adjustment procedure:
Processing after Adjustments:
For example, when the data XX is
B8, the R ratio is 2B80h
B8, the R ratio is 2B80h
±
40h.
(
)
For example, when the data YY is
5Eh, the B ratio is 5E80h
5Eh, the B ratio is 5E80h
±
40h.
(
)
Order
Page
Address
Data
Procedure
1
Put on the color temperature correction filter C14 on the lens.
2
F
06
Read the data of this address. The read-out data should be used as the specification value
calculation data XX.
calculation data XX.
3
F
07
Read the data of this address. The read-out data should be used as the specification value
calculation data YY.
calculation data YY.
4
0
01
01
Set the data. (Preparation 1)
5
D
10
21
After setting the data, press the PAUSE button. (Preparation 2)
6
2
01
3F
After setting the data, press the PAUSE button.
7
0
03
04
Set the data.
8
F
45
Change data until the R ratio data on the DDS display becomes the specification value.
9
Press the PAUSE button.
10
0
03
05
Set the data.
11
F
46
Change data until the B ratio data on the DDS display becomes the specification value.
12
Press the PAUSE button.
Order
Page
Address
Data
Procedure
1
D
10
00
After setting the data, press the PAUSE button.
2
2
01
00
After setting the data, press the PAUSE button.
3
0
03
00
Se the data. (End 2)
4
0
01
00
Se the data. (End 1)
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