Read Sony DCR-IP45 / DCR-IP45E / DCR-IP55 / DCR-IP55E (serv.man2) Service Manual online
5-42
DCR-IP45/IP45E/IP55/IP55E
4. PSIG GRAY Adjustment (PD-166 Board)
Set the PSIG signal level to an appropriate level.
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”.)
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).
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”.)
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.
“Bright Adjustment” is satisfied.
Fig. 5-1-22.
Fig. 5-1-23.
3 steps peak
Pedestal
A
2H
A
2H
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