Flange Back Adjustment (Using Minipattern Box); Flange Back Adjustment - Sony CCD-TR618 Service Manual

3. Flange Back Adjustment

(Using 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 (Note1)
Measuring Instrument Adjustment remote commander
Adjustment Page F
Adjustment Address 4E to 5D, 61
Note1: Dark Siemens star chart.
Note2: Check that the data of page: 6, address: 02 is "00". If not, to page:
6, address: 01, set data: 00, and press the PAUSE button.
Note3: 1/4 CCD model: CCD-TR818/TRV68/TRV78/TRV78E/TRV88/
TRV98/TRV98E
Switch setting:
NIGHT SHOT (Lens block) ............................................ OFF
Preparations:
1) The minipattern box is installed as shown in the following
figure.
Note: The attachment lenses are not used.
2) Install the minipattern box so that the distance between it and
the front of the lens of the camcorder is less than 3cm.
3) Make the height of the minipattern box and the camcorder equal.
4) Check that the output voltage of the regulated power supply is
the specified voltage.
5) 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.
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 0.01Vdc
Output current : more than 3.5A
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Black (GND)
Fig. 5-1-8.
Below 3 cm
Camcorder
Camera
table
Need not connected
Adjusting method:
Order Page Address Data
1 0 01
2 F A0
3 F A0
4 6 01
5 6 01
6 6 02
7 F A0
Note4: The adjustment data will be automatically input to page: F,
address: 4E to 5D, 61.
Processing after Completing Adjustments:
Order Page Address Data
1 6 01
2 0 01
3
4
5-15
Procedure
01 Set the data.
Only for 1/4 CCD model, write
down the data.
00 Only for 1/4 CCD model, set the
data and press PAUSE button.
13 Set the data, and press PAUSE
button.
27 Set the data, and press PAUSE
button.
Check that the data changes to
"01". (Note4)
Only for 1/4 CCD model, set the
data that is written down at step
2 and press PAUSE button.
Procedure
00 Set the data, and press PAUSE
button.
00 Set the data.
Turn off the power and turn on
again.
Perform "Flange Back Check".