Sony HVR-S270J Service Manual page 298

1-3-2. Camera System Adjustment (Set)
1. Flange Back Adjustment (Set)
(Using the minipattern box or flange back adjust
ment jig)
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.
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified value
Note 1: Dark Siemens star chart.
Note 2: All adjustment in "1-3-1. Camera System Adjustments
(Body)" must be already finished.
Note 3: Perform the adjustment with the lens in horizontal state.
Note 4: If reading/writing data on pages FF, set data: 0F to page:
0, address: 10, and then select pages F. By this data set-
ting, the pages FF can be selected.
After the data reading/writing finished, return the data
on page: 0, address: 10 to "00".
Note 5: Check that the data of page: 6, address: 02 is "00". If
not, select page: 6, address: 01, set data: 00, and press
PAUSE (Write) button.
Note 6: Don't touch the zoom lever during adjustment.
Note 7: After adjustment, if the focusing to a subject located at
infinity failed, increase the ilIlluminance of the chart and
perform readjustment.
Switch setting
1) POWER ......................................................... CAMERA mode
2) ND FILTER ............................................................................ 1
3) REC FORMAT (Menu setting) ............................. HDV1080i
HVR-S270J/S270U/S270N/S270E/S270P/S270C
RadarW RadarW RadarW RadarW RadarW
Siemens star chart with ND filter for
minipattern box (Note 1) or flange
back adjustment jig
Adjusting remote commander
FF
A0 to AF
Data of pege: 16, address: 0C is "00"
Preparation (Using the minipattern box)
1) The minipattern box is installed as shown in the following fig-
ure.
Note 8: 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
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Black (GND)
Preparation (Using the flange back adjustment jig)
(Illuminance: 200 to 300 lux)
1) Install the flange back adjustment jig so that the distance be-
tween it and the front of lens of camera is less than 3 cm.
2) Make the height of flange back adjustment jig and the camera
equal.
3) Check that the center of chart meets the center of shot image
screen with the zoom lens at TELE end and WIDE end respec-
tively.
Flange back adjustment jig
6-64
Below 3 cm
Camera
Regulated power supply
Output current : more than 3.5 A
Need not connected
Fig. 6-1-14
Below 3 cm
Camera
Fig. 6-1-15