White Balance Check - Sony CCD-TRV32 Service Manual

16. White balance check

Subject White pattern standard picture frame
Filter Color temperature correction filter
C14 ND filter 1.0 and 0.3
Measurement Point VIDEO output terminal
(Terminated in 75Ω)
Measuring Instrument Vectorscope
Specification Value Fig. 6-1-10. A ~ C
Note 1 : Confirm that the "Camera-shaking" correction to OFF.
(EXCEPT TRV14E MODEL)
Note 2 : Confirm that the "Digital Zoom" is turned OFF.
(EXCEPT TRV14E MODEL)
Check procedure:
Order Page Address
1
2 6 01
3
4 6 01
5 6 01
6
7
8
9
R-Y
Ø2mm less
2mm
Fig. 6-1-10 (a)
Processing after Adjustments:
Order Page Address
1 6 01
2 6 00
Data
Check that the lens is not covered by either filter.
0F After setting the data, press the PAUSE button.
Check that the white luminance point is located within the circle
shown in Fig. 6-1-10 (a).
00 After setting the data, press the PAUSE button.
23 After setting the data, press the PAUSE button.
Put the C14 filter on the lens.
Check that the white luminance point is located within the circle
shown in Fig. 6-1-10 (b).
Remove the C14 filter and put ND filter 1.3 (1.0+0.3) on the lens.
Check that the white luminance point is located within the circle
shown in Fig. 6-1-10 (c).
R-Y
Ø3mm less
2mm
0.5mm
B-Y
3mm
3mm
Fig. 6-1-10 (b)
Data
00 After setting the data, press the PAUSE button.
00 After setting the data, press the PAUSE button. (End)
Procedure
Ø3mm less
3mm
0.5mm
B-Y 3mm
0.5mm
1.0mm
Fig. 6-1-10 (c)
Procedure
6-24
Condition
Without filter.
C14 filter
ND Filter 1.3
R-Y
1.5mm
B-Y