Auto White Balance Adjustment; White Balance Check - Sony DCR-TRV5 Service Manual
Digital video camera recorder
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Also See for DCR-TRV5:
- Operating instructions manual (92 pages) ,
- Operating instructions manual (91 pages) ,
- Service manual (25 pages)
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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.
Subject
Clear chart
(Color bar standard picture frame)
Filter
Filter C14 for color temperature
correction
Measurement Point
DDS display of LCD or TV monitor
Measuring Instrument
(Note 1)
Adjustment Page
F
Adjustment Address
34, 35
Specified Value
R ratio: 2C40 to 2CC0
B ratio: 6040 to 60C0
Note 1: Perform "Auto White Balance Standard Data Input" before this
adjustment.
Note 2: The right four digits of the display data at the right bottom side of
the LCD and TV monitor is the object data.
CA 00 XXXX
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: D, address: 11, and set data: 12, and press the
PAUSE button of the adjustment remote commander.
4)
Select page: 6, address: 00, and set data: 01.
5)
Select page: 6, address: 01, and set data: 3F, and press the
PAUSE button of the adjustment remote commander.
6)
Select page: 6, address: 04, and set data: 04.
7)
Select page: F, address: 34, change the data and adjust the
average value of the DDS display data (Note 2) to the R ratio
specified value.
8)
Press the PAUSE button of the adjustment remote commander.
9)
Select page: 6, address: 04, and set data: 05.
10) Select page: F, address: 35, change the data and adjust the
average value of the DDS display data (Note 2) to the B ratio
specified value.
11) Press the PAUSE button of the adjustment remote commander.
Processing after Completing Adjustments:
1)
Select page: D, address: 11, and set data: 10, and press the
PAUSE button of the adjustment remote commander.
2)
Select page: 0, address: 01, and set data: 00.
3)
Select page: 6, address: 00, and set data: 00.
4)
Select page: 6, address: 01, and set data: 00, and press the
PAUSE button of the adjustment remote commander.
5)
Select page: 6, address: 04, and set data: 00.
Object data
13. White Balance Check
Subject
Filter
Measurement Point
Measuring Instrument
Specified Value
Checking method:
1)
Check that the lens is not covered with either filter.
2)
Select page: 6, address: 01, set data: 0F, and press the PAUSE
button of the adjustment remote commander.
3)
Check that the center of the white luminance point is within
the circle shown Fig. 5-1-10 (A).
4)
Select page: 6, address: 01, set data: 23, and press the PAUSE
button of the adjustment remote commander.
5)
Place the C14 filter on the lens.
6)
Check that the center of the white luminance point settles in
the circle shown Fig. 5-1-10 (B).
7)
Remove the C14 filter, and place the ND filter 1.3 (1.0 + 0.3)
on the lens.
8)
Check that the white luminance point stopped moving, and then
remove the ND filter 1.3.
9)
Check that the center of the white luminance point settles within
the circle shown Fig. 5-1-10 (C).
Processing after Completing Adjustments:
1)
Select page: 6, address: 01, and set data: 00, and press the
PAUSE button of the adjustment remote commander.
2mm
1.0mm
3mm
5-15
Clear chart
(Color bar standard picture frame)
Filter C14 for color temperature
correction
ND filter 1.0 and 0.3
Video output terminal
Vectorscope
Fig. 5-1-10. (A) to (C)
R-Y
2mm
B-Y
Fig. 5-1-10 (A)
R-Y
1.0mm
B-Y
3mm
3mm
Fig. 5-1-10 (B)
R-Y
3mm
2.0mm
B-Y
1.0mm
Fig. 5-1-10 (C)
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