Sony DCR-TRV120P, Service Manual, Page: 116 / 195

5-16
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 during
auto focusing/manual focusing.
Subject Siemens star chart with ND filter for
the minipattern box (Note 1)
Measurement Point Check operation on TV monitor
Measuring Instrument
Adjustment Page F
Adjustment Address 4E to 5D, 61
Note 1:
Dark Siemens star chart.
Note 2:
Perform this adjustment after performing “HALL
adjustment”.
Switch setting:
1)
NIGHT SHOT .................................................................. OFF
2) DIGITAL ZOOM (Menu display) ................................... OFF
3) STEADY SHOT (Menu display) ..................................... OFF
Preparation for adjustment
The minipattern box is installed as shown in the following figure.
Note:
The attachment lenses are not used.
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.
Adjusting method:
1)
Install the minipattern box so that the distance between it and
the front of the lens of the camcorder is less than 3 cm.
2) Make the height of the minipattern box and the camcorder equal.
3) Check that the output voltage of the regulated power supply is
the specified voltage ± 0.01 Vdc.
4) Check that at both the zoom lens TELE end and WIDE end,
the center of the Siemens star chart and center of the exposure
screen coincide.
5) Select page: 0, address: 01, and set data: 01.
6) Select page: 6, address: 82, and set data: 01.
7) Check that the data of page: F, address: 4E to 5D and 61 is the
initial value (See table below).
Minipattern box
Below 3 cm
Camcorder
Camera
table
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Black (GND)
Need not connected
Regulated power supply
Output voltage : Specified voltage
±
0.01Vdc
Output current : more than 3.5A
Fig. 5-1-7
8) Select page: 6, address: 02, and check that the data is “00”.
9) Select page: 6, address: 01, set data: 13, and press the PAUSE
button of the adjustment remote commander.
10) Select page: 6, address: 01, set data: 27, and press the PAUSE
button.
(The adjustment data will be automatically input to page: F,
addresses: 4E to 5D and 61)
11) Select page: 6, address: 02, and check that the data is “01”.
Processing after Completing Adjustments
1)
Turn OFF the main power supply (8.4 V).
2) Perform “Flange Back Check”.
Address
4E
4F
50
51
52
53
54
55
56
Data
2E
12
48
F1
18
5D
66
00
19
Address
57
58
59
5A
5B
5C
5D
61
Data
00
19
00
00
04
00
00
00