White Balance Check - Sony CVX-V1 Service Manual

6. White Balance Check

Clear chart
Subject
(Color bar standard picture frame)
Filter C14 for color temperature
Filter
correction
ND filter 1.0 and 0.3
Measurement Point Video output terminal
Measuring Instrument Vectorscope
Specified Value Fig. 5-1-10. (A) to (C)
Checking method:
1) Check that the lens is not covered with either filter.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: 2, address: 40, set data: 02, and press the PAUSE
button of the adjustment remote commander.
4) Select page: 2, address: 41, set data: 01, and press the PAUSE
button of the adjustment remote commander.
5) Select page: 2, address: 01, set data: 0F, and press the PAUSE
button of the adjustment remote commander.
6) Check that the center of the white luminance point is within
the circle shown Fig. 5-1-10 (A).
7) Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
8) Select page: 2, address: 01, set data: 23, and press the PAUSE
button of the adjustment remote commander.
9) Place the C14 filter on the lens.
10) Check that the center of the white luminance point settles in
the circle shown Fig. 5-1-10 (B).
11) Remove the C14 filter, and place the ND filter 1.3 (1.0 +
0.3) on the lens.
12) Check that the white luminance point stopped moving, and
then remove the ND filter 1.3.
13) 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: 2, address: 41, set data: 00, and press the PAUSE
button of the adjustment remote commander.
2) Select page: 2, address: 40, set data: 00, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
4) Select page: 0, address: 01, set data: 00.
2mm
1.0mm
3mm
1.0mm
5-13
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
Fig. 5-1-10 (C)