Sony Mavica MVC-FD85, Service Manual

Page: 70 / 112

5-16
4. Flange Back Adjustment
(Using Flange Back Adjustment Chart)
The inner focus lens flange back adjustment is carried out
automatically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
4-1. Flange Back Adjustment (1)
Mode STILL
Subject Flange back adjustment chart
(2.0 m from the front of the lens)
(Luminance: 350 ± 50 lux)
Measurement Point
Check operation on TV monitor
Measuring Instrument
Adjustment Page F
Adjustment Address 14 to 25
Note:
If the data of page: 6, address: 02 is “01”, select page: 6, address:
01, set data: 00, and press the PAUSE button.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Check that the center of the chart for the flange back adjustment
and the center of the exposure screen coincide.
3) Check that the data of page: F, address: 14 to 25 is the initial
value (See table below).
Note: MVC-FD85/MVC-FD90
4) Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjustment remote commander.
5) Select page: 6, address: 01, set data: 15, and press the PAUSE
button.
(The adjustment data will be automatically input to page: F,
addresses: 14 to 25.)
6) Select page: 6, address: 02, and check that the data is changed
to “01”.
Processing after Completing Adjustments:
1)
Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
2) Perform “Flange Back Adjustment (2)”.
Address
14
15
16
17
18
19
1A
Data
12/1C
A8/94
18/26
C5/EC
12/13
C9/B9
00
Address
1B
1C
1D
1E
1F
20
21
Data
00
00
00
41/46
00
20
20
Address
22
23
24
25
Data
20
44
0A
00
4-2. Flange Back Adjustment (2)
Perform this adjustment after performing “Flange Back Adjustment
(1)”.
Subject Subject more than 500m away
(Subjects with clear contrast such as
buildings, etc.)
Measurement Point
Check operation on TV monitor
Measuring Instrument
Adjustment Page F
Adjustment Address 14 to 25
Note:
Make the lens horizontal and perform this adjustment.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2) Set the zoom lens to the TELE end and expose a subject that is
more than 500 m away (subject with clear contrast such as
building, etc.). (Nearby subjects less than 500 m away should
not be in the screen.)
3) Select page: 6, address: 02, and check that the data is “00”.
4) Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjustment remote commander.
5) Place a ND filter on the lens so that the optimum image is
obtain.
6) Select page: 6, address: 01, set data: 29, and press the PAUSE
button.
(The adjustment data will be automatically input to page: F,
addresses: 14 to 25.)
7) Select page: 6, address: 02, and check that the data is “01”.
Processing after Completing Adjustments:
1)
Select page: 0, address: 01, and set data: 00.
2) Turn off the power and turn on again.
3) Perform “Flange Back Check”.