(Using Flange Back Adjustment Chart); Flange Back Check - Sony DSC-F505 Service Manual

3. 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.
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: Check that the data of page: 6, address: 02 is "00". If not, turn the
power of the unit OFF/ON.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: FF.
3) Check that the center of the chart for the flange back adjustment
and center of the exposure screen coincide.
4) Check that the data of page: F, address: 14 to 25 is the initial
value (See table below).
Address Data Address
14 1C 1A
15 94 1B
16 26 1C
17 EC 1D
18 13 1E
19 B9 1F
5) Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjustment remote commander.
6) 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.)
7) 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) Select page: 5, address: F1, and set data: 00.
3) Select page: 0, address: 01, and set data: 00.
4) Perform "Flange Back Check".
Data Address Data
00 20 20
00 21 20
00 22 23
00 23 44
46 24 0A
00 25 00

4. Flange Back Check

Mode
Subject
Measurement Point
Measuring Instrument
Specified Value
Checking method:
1) Place the Siemens star 2.0m from the front of the lens.
2) To open the IRIS, decrease the luminous intensity to the
Siemens star up to a point before noise appear on the image.
3) Shoot the siemens star with the zoom TELE end.
4) Turn on the auto focus
5) Observe the TV monitor and check that the lens is focused.
6) Select page: 0, address: 01, and set data: 01.
7) Select page: 5, address: F1, and set data: FF.
8) Select page: 6, address: 2C, and set data: 01.
9) Shoot the siemens star with the zoom WIDE end.
10) Observe the TV monitor and check that the lens is focused.
Processing after Completing Adjustments:
1) Select page: 6, address: 2C, and set data: 00.
2) Select page: 5, address: F1, and set data: 00.
3) Select page: 0, address: 01, and set data: 00.
5-24
STILL
Siemens star
(2.0 m from the front of the lens)
(Luminance : approx. 200 lux)
Check operation on TV monitor
The lens is focused.