Sony Cyber-shot DSC-P1, Service Manual

Page: 87 / 105

5-30
2H
A
Pedestal
10 steps peak
A: Between the pedestal and 10 setps peak
5. Contrast Adjustment (PD-137 Board)
Set the level of the VIDEO signal for driving the LCD to the
specified value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode PLAY
Signal Arbitrary
Measurement Point Pin
9
of CN881 (VG)
External trigger: Pin
8
of CN881
(PEARL COM)
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address D4
Specified Value A = 2.50 ± 0.05 Vp-p (TYPE ST)
A = 2.24 ± 0.05 Vp-p (TYPE SA)
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2 5 F1 03
Change the data and set the
3 D D4 voltage (A) to the specified
value.
4 D D4 Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data Procedure
1 5 F1 00
2 0 01 00
6. Color Adjustment (PD-137 Board)
Set the color saturation to the standard value.
If, deviated, the color will be dark or light.
Mode PLAY
Signal Arbitray
Measurement Point Pin 9 of CN881 (VG)
External trigger: Pin 8 of CN881
(PEARL COM)
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address D1
Specified Value A = 444 ± 50 mVp-p (TYPE ST)
A = 308 ± 50 mVp-p (TYPE SA)
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2 5 F1 04
Change the data and set the
2 D D1 voltage (A) to the specified
value.
4 D D1 Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data Procedure
1 5 F1 00
2 0 01 00
Fig. 5-1-24
2H
A
Green
White 100%
A: Between the white 100% (Reference level) and green
Fig. 5-1-25