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Contrast Adjustment (di-085 Board); Automatic Adjustment; Manual Adjustment - Sony DCR-IP45 Service Manual

Digital video camera rcorder.
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3. Contrast Adjustment (DI-085 board)

Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Note: Do either of the automatic adjustment or the manual adjustment.
3-1.

Automatic Adjustment

Mode
Camera
Subject
Arbitrary
Adjustment Page
C
Adjustment Address
81
Note1: The cabinet (R) must be connected.
Note2: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1
0
01
01
2
3
00
0E
3
3
01
4
3
00
00
5
0
01
00
Procedure
Set the data.
Set the data, and press PAUSE
button.
Check that the data changes
from "0E" to "00".
Set the data, and press PAUSE
button.
Set the data.
DCR-IP45/IP45E/IP55/IP55E
3-2.

Manual Adjustment

Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1
0
01
2
C
81
3
C
81
4
0
01
3 steps peak
A
Pedestal
5-37
Camera
Arbitrary
Pin qg (G) of CN3602 of VF-154
board
Oscilloscope
C
81
A = 2.4 ± 0.1V
Procedure
01
Set the data.
Change the data and set the
voltage (A) between the 3 steps
peak and pedestal to the
specified value.
(The data should be "00" to "7F".)
Press PAUSE button.
00
Set the data.
2H
Fig. 5-1-18.

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