Flange Back Check; F No. Compensation - Sony MVC-CD250 Service Manual

4. Flange Back Check

Mode CAMERA
Subject Siemens star
(1.0 m from the front of the lens)
(Luminance: 200 to 400 lux)
Measurement Point Check operation on monitor TV
Measuring Instrument
Specified value Focused at the TELE end and
WIDE end
Checking method:
Order Page Address Data
1
2
3
4 B 3D
5 B 3D 50
6
7
8
9 6 2C 01
10
Note 1: How to find the data
Decrease the data of page: B, address: 3D until four sides
of a black frame can be seen on the monitor, then find
the value. The largest value under this condition will be
the setting value. If the value is less than 50, change
monitors.
Processing after Completing Adjustment:
Order Page Address Data
1 6 2C 00
2 B 3D
3
RadarW RadarW RadarW RadarW RadarW
Procedure
Place the Siemens star 1.0 m
from the front of the lens.
To open the IRIS , decrease
the luminous intensity to the
Siemens star up to a point
before noise appear on the
image.
Perform "Data setting during
camera system adjustment".
(Refer to page 5-14)
Note down the data.
Press PAUSE button. (Note1)
Shoot the Siemens star with
the zoom TELE end.
Turn on the auto focus.
Check that the lens is
focused.
While observe the TV
monitor, change the zoom to
the WIDE end and check that
the lens is focused.
Procedure
Set data noted down at step
4, and press PAUSE button.
Release the data setting
performed at step 3.
(Refer to page 5-14)

5. F No. Compensation

Compensate the unevenness of the iris meter sensitivity.
Mode
Subject
Adjustment Page
Adjustment Address
Note 1: Check that the data of page: 6, address: 02 is "00".
If not, turn the power of unit OFF/ON.
Adjusting method:
Order Page Address Data
1
2
3 6 01
4 6 02
5 F 5E
6 F 5F
Note 2: The adjustment data will be automatically input to page:
F, address: 5E to 64.
Processing after Completing Adjustment:
Order Page Address Data
1 6 01
2
5-19
MVC-CD250/CD400
RadarW RadarW RadarW RadarW RadarW
CAMERA
Clear chart
(Standard picture frame with the
zoom lens at WIDE end)
F
5E to 64
Procedure
Perform "Data setting during
camera system adjustment".
(Refer to page 5-14)
Perform "Picture Frame
setting".
(Refer to page 5-15)
Press PAUSE button.
BB
(Note 2)
Check the data changes to
"01".
Check the data is "00".
Check the data is "00".
Procedure
00 Press PAUSE button.
Release the data setting
performed at step 1.
(Refer to page 5-14)