Sony MDDISCAM DCM-M1, Руководство по обслуживанию

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4. Flange Back Adjustment (Using mini pattern box)
The flange back adjustment of the inner focus lens is carried out automatically.
If deviated, auto focus and manual focus will be disordered.
Note 1: Darker Siemens star chart
Note 2: The mini pattern box is used for the flange back adjustment only.
For other adjustments, use the pattern box (PTB-450).
Note 3:
For the data display, the data at the time when address was set is displayed, and it is not updated.
Check data variation while repeating address change and resetting (change address from “02” to “01”, and then return it to “02”).
Preparation for adjustment
Install the mini pattern box as shown below.
Note 4: The attachment is not used.
Adjusting method
Steps
Page Address Data Work Description
1 Install the mini pattern box so that it is located within 3 cm from the lens front surface.
2 Adjust the height of mini pattern box.
3
Check that the output voltage of regulated power supply is the specified voltage
± 0.01 Vdc.
4
With the zoom lens at TELE end and WIDE end respectively, check that the center of the
shot image screen concurs with the center of Siemens star frame.
5 06 02 Check that the data is “00”.
6 06 01 13 Press the
y
key.
7 06 01 27
Press the
y
key.
(The flange back adjustment is carried out, and the data are automatically entered to
page: F, address: 24 – 29 and 36 – 3D.)
8 06 02 Check that the data becomes “01”. (Note 3)
Processing after completion of adjustment
Steps
Page Address Data Work Description
1 06 01 00 Press the
y
key.
2 Perform “Flange Back Check”.
Subject
Mini pattern box with ND filter
Siemens star chart (Note 1)
Measurement point Check operation on monitor TV
Measuring instrument (Camera-through screen)
Adjustment page 0F
Adjustment address 24 – 29, 36 – 3D
Mini pattern box
Within 3 cm
Set
Camera
base
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Black (GND)
No connection
Regulated power supply
Specified voltage ( 0.01 Vdc)
Output current over 3.5 A
Fig. 7-3-12
Specified voltage: Variable depending on the mini pattern box.
Therefore, set the voltage given on the sheet
attached to the mini pattern box.