White Balance Check - Sony DSR-PD170 Service Manual

19. White Balance Check

Subject Clear chart
(Color bar standard picture frame)
Filter Filter C14 for color temperature
correction
ND filter 1.0 and 0.3 (2 sheets)
Measurement Point Video output terminal
Measuring Instrument Vectorscope
Specified Value Fig. 6-1-12. A to B
Switch setting:
ND FILTER ...................................................................... OFF
(The data of page: 6, address: 9D is "00".)
Checking method:
Order Page Address Data
1
2 6 01 0F
3
4
5 6 01 3F
6
7
8
9 6 01 0F
10
11 0 01 01
12 F 10 A1
13 F 11 04
14 1
15 6 04 C6
16 1
Note: Displayed data of the adjustment remote commander.
1 : XX : XX
Procedure
Indoor white balance check
Check that the lens is not
covered with either filter.
Set the data, and press PAUSE
button.
Check that the center of the
white luminance point is within
the circle shown Fig. 6-1-12. A.
Outdoor white balance check
Place the C14 filter on the lens.
Set the data, and press PAUSE
button.
Check that the center of the
white luminance point is within
the circle shown Fig. 6-1-12. B.
Remove the C14 filter.
Indoor white balance data check
Place the ND filter 1.6
(1.0+0.3+0.3) on the lens.
Set the data, and press PAUSE
button.
Wait for 2 seconds.
Set the data.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Check that the second digit of
the display data (Note) is an odd
number.
Specified value:
1 : XX : XX
Odd number
Set the data.
Check that the display data
(Note) satisfies the specified
value.
Specified value: 0000 to 0C50
Display data
DSR-PD170/PD170P/PD190P
Processing after Completing Adjustments
Order Page Address Data
1 6 01
2 6 04
3 F 10
4 F 11
5 0 01
4mm
1.0mm
6-27
Procedure
00 Set the data, and press PAUSE
button.
00 Set the data.
00 Set the data, and press PAUSE
button.
00 Set the data, and press PAUSE
button.
00 Set the data.
R-Y 4mm
B-Y
Fig. 6-1-12. (A)
R-Y
1.0mm
B-Y
6mm
6mm
Fig. 6-1-12. (B)