Auto White Balance Adjustment; Color Reproduction Adjustment (Nd Filter Off) - Sony DSR-PD170 Service Manual

15. 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
Adjustment Page F
Adjustment Address 34, 35
Note1: After the power is turned on, this adjustment can be done only
once.
Note2: Check that the data of page: 6, address: 02 is "00". If not, to page:
6, address: 01, set data: 00, and press the PAUSE button.
Switch setting:
ND FILTER ...................................................................... OFF
(The data of page: 6, address: 9D is "00".)
Adjusting method:
Order Page Address Data
1
2 0 01 01
3 6 02 00
4 6 01 83
5 6 01 81
6 6 02
Note3: The adjustment data will be automatically input to page: F, address:
34 and 35.
Processing after Completing Adjustments
Order Page Address Data
1 6 01 00
2 6 02 00
3 0 01 00
PAL Burst position
NTSC Burst position
Fig. 6-1-11.
Procedure
Place the C14 filter for color
temperature correction on the
lens.
Set the data.
Set the data.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button. (Note3)
Check that the data changes to
"01".
Procedure
Set the data, and press PAUSE
button.
Set the data.
Set the data.
DSR-PD170/PD170P/PD190P

16. Color Reproduction Adjustment (ND Filter OFF)

When the ND FILTER switch is "OFF", adjust the color difference
matrix coefficient so that proper color reproduction is produced.
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note1: After the power is turned on, this adjustment can be done only
once.
Note2: Check that the data of page: 6, address: 02 is "00". If not, to page:
6, address: 01, set data: 00, and press the PAUSE button.
Switch setting:
ND FILTER ...................................................................... OFF
(The data of page: 6, address: 9D is "00".)
Adjusting method:
Order Page Address Data
1
2 0 01
3 F 5E
4 F 44
5 F 45
6 F 46
7 F 47
8 6 01
9 6 01
10 6 02
11
12
Note3: The adjustment data will be automatically input to page: F, address:
44 to 47.
Processing after Completing Adjustments
Order Page Address Data
1 6 01
2 6 02
3 F 5E
3 0 01
6-25
Color bar chart
(Color bar standard picture frame)
Video output terminal
Vectorscope
F
44, 45, 46, 47
All color luminance points should
settle within each color reproduction
frame. (Fig. 6-1-11)
Procedure
Check that the picture frame is
set to the specified position.
(Refer to "8. Picture Frame
Setting".)
01 Set the data.
2D Set the data, and press PAUSE
button.
00 Set the data, and press PAUSE
button.
00 Set the data, and press PAUSE
button.
20 Set the data, and press PAUSE
button.
20 Set the data, and press PAUSE
button.
AB Set the data, and press PAUSE
button.
A9 Set the data, and press PAUSE
button. (Note3)
Check that the data changes to
"01".
Adjust the GAIN and PHASE of
the vectorscope, and adjust the
burst luminance point to the
burst position of the color
reproduction frame. (Fig. 6-1-11)
Check that all color luminance
points settle within each color
reproduction frame. (Fig. 6-1-11)
Procedure
00 Set the data, and press PAUSE
button.
00 Set the data.
1D Set the data, and press PAUSE
button.
00 Set the data.