Auto White Balance 5800K Check 1 - Sony MVC-CD250 Service Manual

18. Auto White Balance 5800K Check 1

Mode CAMERA
Subject Clear chart
(Standard picture frame with the
zoom lens at WIDE end)
Filter Filter C14 for color temperature
correction
Measurement Point Displayed data of Video terminal of
Page: 1
(Note 2)
Specified Value MVC-CD250 :
R ratio : 29A0 to 2BA0
B ratio : 6000 to 6200
R-Y level data : 6E to 8E
B-Y lavel data : 6E to 8E
MVC-CD400 :
R ratio : 29E0 to 2B20
B ratio : 5D20 to 5E60
R-Y level data : 6E to 8E
B-Y lavel data : 6E to 8E
Note 1: Check that the data of page: 6, address: 02 is "00".
If not, turn the power of unit OFF/ON.
Note 2: The right four digits of the page: 1 displayed data of the
adjusting remote commander.
1:XX:XX
Checking method:
Order Page Address Data
1
2
3
4 6 B6
5 6 B6 03
6 6 37 13
7 6 01 11
8 6 38
9 6 01 C3
10 6 02
11 0 03 04
12 1
13 0 03 05
14 1
15 0 03 2C
16 1
17 0 03 2D
RadarW RadarW RadarW RadarW RadarW
A/V OUT jack
(75 Ω terminated)
Displayed data
Procedure
Place the C14 filter on the lens.
Perform "Data setting during
camera system adjustment".
(Refer to page 5-14)
Perform "Picture Frame set-
ting ". (Refer to page 5-15)
Note down the data.
Press PAUSE button.
Check the data changes to
"01".
Press PAUSE button.
Check the data changes to
"01".
Check that the displayed data
(Note 2) satisfied the R ratio
specified value.
Check that the displayed data
(Note 2) satisfied the B ratio
specified value.
Check that the R-Y level data
(Note 2) satisfied the specified
value.
Order Page Address Data
18 1
19 6 01
20 6 37
21 6 01
22 6 02
23 0 03
24 1
25 0 03
26 1
27 0 03
28 1
29 0 03
30 1
Processing after Completing Adjustment:
Order Page Address Data
1 0 03
2 6 37
3 6 01
4 6 B6
5
6
5-27
MVC-CD250/CD400
Procedure
Check that the B-Y level data
(Note 2) satisfied the specified
value.
00 Press PAUSE button.
14
3F Press PAUSE button.
Check the data changes to
"01".
04
Check that the displayed data
(Note 2) satisfied the R ratio
specified value.
05
Check that the displayed data
(Note 2) satisfied the B ratio
specified value.
2E
Check that the R-Y level data
(Note 2) satisfied the specified
value.
2F
Check that the B-Y level data
(Note 2) satisfied the specified
value.
Procedure
00
00
00 Press PAUSE button.
Set data noted down at step 4,
00
and press PAUSE button.
Release the data setting per-
formed at step 2. (Refer to
page 5-14)
Remove the C14 filter on the
lens.