Auto White Balance Adjustment; White Balance Check - Sony Handycam Video 8 CCD-TR606E Service Manual

18. Auto white balance adjustment
Subject
White pattern standard picture frame
Filter CI4 for color temperature
Filter
correction
Measurement Point Check with the DDS display on the
Measuring Instrument
EVF or TV monitor
Adjustme,nt Page .F '
' ,,
Adjustment Address 40 (NORM R), 41 (NORM B)
Specified Value
R ratio 2A80
±
40
B
ratio
5E80
±
40
Note: Perform this adjustment after "Auto White Balance
Reference Data Input".
Adjusting
m;:_e::::t.:.:h::_od:::::_-,-----,-----.--__:------::----:---------~----;;::-::;;:;::-:;:-- 1
Procedure Conditions
Order
I
2
3
4
5
6
7
Page
6
F
6
F
6
F
F
Address
00
6B
02
40
02
41
41
Processing after Adjustments:
Order Page Address
F 6B
2 6 02
Data
01
DO
04
OS
Data
00
00
Releasing of protect.
Press the PAUSE button.
(Setting the auto white balance adjustment mode)
Setting of R ratio display mode.
Change the data with the PLAY and STOP buttons, and R ratio display mode
adjust the R ratio data of the DDS display to the
specified value.
Setting of B ratio display mode.
Change the data with the PLAY and STOP buttons, and B ratio display mode
adjust the B ratio data of the DDS display to the
specified value.
Press the PAUSE button.
Procedure
Conditions
Press the PAUSE button.
(Releasing the auto white balance adjustment mode)
Releasing of B ratio display mode.
-190-
19. White balance check
Subject White pattern standard picture frame
Filter C14 for color temperature
Filter correction
ND filters 1.0 and 0.3
Measurement Point Video output terminal
Measuring Instrument Vectorscope
Specified Value Fig. 7-13 A to C
Checking method:
Order
I
2
3
4
5
6
Page
6
6
6
F
Address Data
00 01
OJ OF
01
00
67 01
Procedure
Check that the lens is not covered with either filter.
Releasing of protect.
Press the PAUSE button.
(Setting the WB 3200K preset mode)
Check that the white luminance point is within the circle
shown in Fig. 7-13. A.
(Setting the indoor white balance mode)
Press the PAUSE button.
(Releasing WB 3200K preset mode)
Press the PAUSE button.
Conditions
WB 3200K preset mode, no
filter
(Setting the auto white balance high speed tracking mode)
7
8
9
10
11
R-Y
2mm
B-Y
2
mm
-+--!--++-
Fig. 7-13. A
Processing after Adjustments:
Order Page Address Data
F
67 OA
Check that the white luminance point is within the circle
shown in Fig. 7-13. A.
Place the Cl4 filter on the lens.
Check that the white luminance point is within the circle
shown in Fig. 7-13. B.
(Checking the auto white balance outdoor mode)
\
Remove the Cl4 filter, and place the NO filter 1.3
(1.0+0.3) over the lens.
Check that the white luminance point is within the circle
shown in Fig. 7-13. C.
(Checking the auto white balance outdoor mode)
R-Y
- , 1 - - - + - l . -
3 mm
Fig. 7-13. B
Procedure
Press the PAUSE button.
(Releasing the auto white balance high speed tracking
mode)
-191-
Auto white balance high
speed tracking mode, no filter
Auto white balance high
speed tracking mode, CI4
filter
Auto white balance high
speed tracking mode, ND
filter 1.3
R-Y
B-Y
Fig. 7-13. C
Conditions