Flange Back Adjustment (Using The Minipattern Box) - Sony DSC-P31M Service Manual

DSC-P31/P31M
2. Flange Back Adjustment
(Using the minipattern box)
The inner focus lens flange back adjustment is carried out auto-
matically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Note 1: Dark Siemens star chart.
Note 2: Check that the data of page: 6, address: 02 is "00".
If not, turn the power of unit OFF/ON.
Preparations before adjustments:
1) The minipattern box is installed as shown in the following fig-
ure.
Note 3: The attachment lenses are not used.
2) Install the minipattern box so that the distance between it and
the front of lens of camera is less than 3 cm.
3) Make the height of minipattern box and the camera equal.
4) Check the output voltage of the regulated power supply is the
specified voltage ± 0.01 Vdc.
5) Check that the center of Siemens star chart meets the center of
shot image screen with the zoom lens at TELE end and WIDE
end respectively.
Specified voltage: The specified voltage varies according to the
minipattern box, so adjustment the power sup-
ply output voltage to the specified voltage writ-
ten on the sheet which is supplied with the mini-
pattern box.
Minipattern box
Output voltage : Specified voltage ± 0.01 Vdc
Output current : more than 3.5 A
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Black (GND)
RadarW RadarW RadarW RadarW RadarW
CAMERA
Siemens star chart with ND filter
for minipattern box (Note 1)
Check operation on monitor TV
F
18 to 2B, 3E, 52, 53
Below 3 cm
Camera
Camera
table
Regulated power supply
Need not connected
Fig. 5-1-15
Adjusting method:
Order Page Address Data
1
2 6 01
3 6 01
4 6 02
5 F 3E
6 F 24
Note 4: The adjustment data will be automatically input to page:
F, address: 18 to 2B, 3E, 52 and 53.
Processing after Completing Adjustment:
Order Page Address Data
1 6 01
2
3
5-16
Procedure
Perform "Data setting during
camera system adjustment".
(Refer to page 5-13)
13 Press PAUSE button.
Press PAUSE button.
27
(Note 4)
Check the data changes to
"01".
Check the data.
00: Normal
01 to FF: Defective
Check the data.
0A to 7F: Normal
00 to 09,
80 to FF: Defective
Procedure
00 Press PAUSE button.
Release the data setting
performed at step 1.
(Refer to page 5-13)
Perform "Flange Back
Check".