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

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5-41
DCR-IP45/IP45E/IP55/IP55E
2. Bright Adjustment (PD-166 Board)
Set the video signal level for driving the LCD to the specified value.
If deviated, the LCD screen will become blackish or saturated
(whitish).
Mode VTR stop
Signal No signal
Measurement Point Pin
1
of CN803 (VG)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 87
Specified Value A = 8.60
±
0.05V
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 87 Change the data and set the
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to the
specified value.
3 C 87 Press PAUSE button.
4 0 01 00 Set the data.
3. Black Limit Adjustment (PD-166 Board)
Set the video signal level for driving the LCD driver to an appropriate
level.
Mode VTR stop
Signal No signal
Measurement Point Pin
6
of CN803 (PSIG)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 88
Specified Value A = 9.10
±
0.05V
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 88 Change the data and set the PSIG
signal amplitude (A) to the
specified value. (The data should
be “00” to “0F”)
3 C 88 Press PAUSE button.
4 0 01 00 Set the data.
Fig. 5-1-20.
Fig. 5-1-21.
Pedestal
Pedestal
A
2H
A
V