Flange Back Adjustment (Using The Flange Back Adjustment Chart); Flange Back Check - Sony MVC-FD83 Service Manual

3. Flange Back Adjustment
(Using the flange back adjustment chart)
The inner focus lens flange back adjustment is carried out auto-
matically.
If disordered, the focus will be deviated during auto/manual fo-
cusing.
Mode
Subject
Measurement Point
Measuring Instrument
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:
1) Place the Flange back adjustment chart 2.0 m from the front
of the lens.
2) Check that the center of Flange back adjustment chart meets
the center of shot image screen with the zoom lens at TELE
end and WIDE end respectively.
3) Select page: 0, address: 01, and set data: 01.
4) Check that the data on page: F, addresses: 14 to 25 are initial
values (See table below).
Address Data
FD83 FD88
14 22 1C
14 22 1C
15 44 94
16 31 26
17 32 EC
18 16 13
19 BA B9
1A 00 00
1B 00 00
1C 00 00
5) Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjusting remote commander.
6) Select page: 6, address: 01, set data: 15, and press the PAUSE
button of the adjusting remote commander.
(The flange back adjustment is performed and the adjustment
data is stored in page: F, addresses: 14 to 25)
7) Select page: 6, address: 02, and check that the data is "01".
Processing after Completing of Adjustments:
1) Select page: 6, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
2) Select page: 0, address: 01, and set data: 00.
3) Perform "Flange Back Check".
STILL
Flange back adjustment chart
(2.0 m from the front of the lens)
(Luminance: 300 to 400 lux)
Check operation on TV monitor
F
14 to 25
Address Data
FD83 FD88
1D 00
1D 00
1E 35
1F 00
20 20
21 20
22 6E
23 44
24 0A
25 00

4. Flange Back Check

Mode
Subject
Measurement Point
Measuring Instrument
Specified value
Checking method:
1) Place the Siemens star 2.0 m from the front of the lens.
2) Shoot the Siemens star with the TELE end.
3) Turn on the auto focus.
4) Check that the lens is focused.
5) Select page: 6, address: 2C, and set data: 01.
6) While observe the TV monitor, change the zoom to the WIDE
end and check that the lens is focused.
Processing after Completing of Adjustments:
1) Select page: 6, address: 2C, and set data: 00.
00
00
46
00
20
20
20
44
0A
00
5-15
STILL
Siemens star
(2.0 m from the front of the lens)
(Luminance: approx. 200 lux)
Check operation on TV monitor
Focused at the TELE end and
WIDE end