Sony DCR-IP45 - Micromv Digital Camcorder, Руководство по обслуживанию

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5-37
DCR-IP45/IP45E/IP55/IP55E
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 Procedure
1 0 01 01 Set the data.
2 3 00 0E Set the data, and press PAUSE
button.
3 3 01 Check that the data changes
from “0E” to “00”.
4 3 00 00 Set the data, and press PAUSE
button.
5 0 01 00 Set the data.
3-2. Manual Adjustment
Mode Camera
Subject Arbitrary
Measurement Point Pin
qg
(G) of CN3602 of VF-154
board
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 81
Specified Value A = 2.4
±
0.1V
Note: The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 C 81 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”.)
3 C 81 Press PAUSE button.
4 0 01 00 Set the data.
Fig. 5-1-18.
3 steps peak
Pedestal
A
2H