Flange Back Adjustment (Using The Minipattern Box) - Sony DCR-TRV140 Service Manual

2. Flange Back Adjustment
(Using the minipattern box)
The inner focus lens flange back adjustment is carried out
automatically. In whichever case, the focus will be deviated dur-
ing auto focusing/manual focusing.
Mode CAMERA
Siemens star chart with ND filter for
Subject
minipattern box (Note 1)
Measurement Point
Check operation on monitor TV
Measuring Instrument
Adjustment Page F
Adjustment Address 4E to 5D, 61
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.
Switch setting:
1) NGHT SHOT ................................................................... OFF
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 camcorder 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 adjust the power supply
output voltage to the specified voltage written
on the sheet which is supplied with the
minipattern box.
Minipattern box
Regulated power supply
Output voltage : Specified voltage ±0.01 Vdc
Output current : more than 3.5 A
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Need not connected
Black (GND)
Fig. 5-1-7
RadarW RadarW
RadarW RadarW RadarW
Below 3 cm
Camcorder
Camera
table
DCR-TRV140/TRV140E/TRV140M
Adjusting method:
Order Page Address Data
1 0 01
2 6 01
3 6 01
4 6 02
Note 4: The adjustment data will be automatically input to page:
F, address: 4E to 5D and 61.
Processing after Completing Adjustment:
Order Page Address Data
1 6 01
2 0 01
3
4
5-15
Procedure
01
13 Press PAUSE button.
27 Press PAUSE button. (Note 4)
Check the data changes to
"01".
Procedure
00 Press PAUSE button.
00
Turn OFF the main power
supply.
Perform "Flange Back
Check".