Mvc-Fd90 - Sony MVC-FD85 Service Manual

13. 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.
Mode STILL
Subject Clear chart (Color reproduction
adjustment frame)
Filter Filter C14 for color temperature
correction
Measurement Point Display data of page 1 (Note 2)
Measuring Instrument Adjustment remote commander
Adjustment Page F
Adjustment Address 3F, 40, 80
Specified Value R ratio: 29E0 to 2B20 (MVC-FD85)
B ratio: 5F20 to 6060 (MVC-FD85)
R ratio: 2760 to 28A0 (MVC-FD90)
B ratio: 5E60 to 5FA0 (MVC-FD90)
Note 1: This adjustment should be carried out upon completion of "Auto
White Balance Standard Data Input" and "White Balance ND Filter
compensation (MVC-FD90)".
Note 2: If the data of page: 6, address: 02 is "01", select page: 6, address:
01, set data: 00, and press the PAUSE button.
Note 3: After the power is turned on, this adjustment can be done only
once.
Note 4: Displayed data of page 1 of the adjustment remote commander.
1 : XX : XX
Adjusting method:
1) Place the C14 filter for color temperature correction on the
lens.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: F, address: 49 to 4C, and note down the data of
each address.
4) Input the following data to page: F, addresses: 49 to 4C.
Address 49 4A
Data 2A 80
28 00
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
5) Select page: 6, address: 01, set data: A7, and press the PAUSE
button.
6) Select page: 6, address: 01, set data: A5, and press the PAUSE
button. (The auto white balance adjustment is performed and
the adjustment data is stored in page: F, address: 3F, 40 and
80.)
7) Select page: 6, address: 02, and check that the data is "01".
8) Select page: 6, address: 01, set data: 3F, and press the PAUSE
button.
9) Select page: 0, address: 03, and set data: 04.
10) Select page: 1, and check that the display data (Note 4) satisfies
the R ratio specified value.
11) Select page: 0, address: 03, and set data: 05.
12) Select page: 1, and check that the display data (Note 4) satisfies
the B ratio specified value.
13) Select page: F, address: 49 to 4C, and input the data noted down
at step 3).
Note: Press the PAUSE button of the adjustment remote commander
each time to set the data.
Processing after Completing Adjustments:
1) Select page: 0, address: 03, and set data: 00.
2) Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
3) Select page: 0, address: 01, and set data: 00
Display data
4B 4C
5F C0 MVC-FD85
5F 00

MVC-FD90

14. Color Reproduction Adjustment (ND Filter OFF)
Adjust the color Separation matrix coefficient so that proper color
reproduction is produced.
Mode
Subject
Adjustment Page
Adjustment Address
Note 1: This adjustment should be carried out upon completion of "Auto
White Balance Standard Data Input" and "Auto White Balance
Adjustment".
Note 2: If the data of page: 6, address: 02 is "01", select page: 6, address:
01, set data: 00, and press the PAUSE button.
Note 3: After the power is turned on, this adjustment can be done only
once.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Check that the picture frame is set to the specified position.
(Refer to "8. Picture Frame Setting".)
3) Select page: B, address: 67, after noting down the data, set
data: 00, and press the PAUSE button.
4) Select page: 6, address: 01, set data: AB, and press the PAUSE
button.
5) Select page: 6, address: 12, set data: 80, and wait for 1 seconds.
6) Select page: 6, address: 12, set data: 00, and wait for 2 seconds.
7) Select page: 6, address: 01, set data: A9, and press the PAUSE
button.
(The color reproduction adjustment is performed and the
adjustment data is stored in page: F, address: 41 to 48, 5C to
5F.)
Note: Observe the TV monitor and check that a sign " " is indicated
inside each color zone.
8) Select page: 6, address: 02, and check that the data is "01".
Processing after Completing Adjustments:
1) Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
2) Select page: B, address: 67, set the data noted down at step 3),
and press the PAUSE button.
3) Select page: 0, address: 01, and set data: 00
5-21
STILL
Color bar chart
(Color bar standard picture frame)
F
41 to 48, 5C to 5F