Sony Mavica MVC-FD71, Service Manual, Page: 56 / 79

5-17
11. Hue gain adjustment
Adjust the color separetion matrix coefficient so that proper color
reproduction is produced.
Subject Color bar chart standard picture frame
Adjustment Page E
Adjustment Address 23 to 2A
Shoot the color bar chart and save it on
Specification Value
a FD. Play back the recorded FD and
compare it on a PC display with the
color bar playback of the alignment FD.
PC: Personal computer
FD: Floppy disk
Note 1:
Auto white balance reference data input and Auto white
balance adjustment must be already set.
Adjustment procedure:
1)
Set data: 01 to page: 0, address: 01.
2) Set data: 0A to page: E, address: 11, and press the PAUSE
button on the adjustment remote commander.
3) Set data: 0F to page: 2, address: 01, and press the PAUSE button
on the adjustment remote commander.
4) Set data: 59 to page: 2, address: 10, and press the PAUSE button
on the adjustment remote commander.
5) Turn off the HOLD switch on the adjustment remote
commander.
6) After more than 2 seconds, turn on the the HOLD switch on
the adjustment remote commander.
7) Change the data of page: E, address: 23 to 2A, and compare
the colors. If you find color differences, adjust the following
data slightly and press the PAUSE button on the adjustment
remote commander.
Note 2:
We recommend you to take note the red and yellow data
before starting adjustment.
[Reference]
This illustration shows the color changes on vector scope display
when address: 23 to 2A are changed.
Processing after adjustment finished:
1)
Set data: 15 to page: E, address: 11, and press the PAUSE button
on the adjustment remote commander.
2) Set data: 00 to page: 2, address: 01, and press the PAUSE button
on the adjustment remote commander.
3) Set data: 00 to page: 2, address: 10, and press the PAUSE button
on the adjustment remote commander.
4) Set data: 00 to page: 0, address: 01.
R-Y
B-Y
M
G
R
Y
L
G
B
C
Y
Burst position
Fig. 5-1-11