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

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5-42
DCR-IP45/IP45E/IP55/IP55E
4. PSIG GRAY Adjustment (PD-166 Board)
Set the PSIG signal level 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 89
Specified Value A = 5.00
±
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 89 Change the data and set the PSIG
signal level (A) to the specified
value.
(The data should be “00” to “7F”.)
3 C 89 Press PAUSE button.
4 0 01 00 Set the data.
5. Contrast Adjustment (PD-166 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).
Mode VTR stop
Signal No signal
Measurement Point Pin
1
of CN803 (VG)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 8C
Specified Value A = 3.70
±
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 8C 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 8C Press PAUSE button.
4 0 01 00 Set the data.
5 Check that the specified value of
“Bright Adjustment” is satisfied.
Fig. 5-1-22.
Fig. 5-1-23.
3 steps peak
Pedestal
A
2H
A
2H