Read Sony DSC-P3 (serv.man2) Service Manual online
5-36
DSC-P3
2H
A
Pedestal
10 steps peak
A: Between the pedestal and 10 steps peak
6. Contrast Adjustment (SY-73 Board)
Set the level of the VIDEO signal for driving the LCD to the speci-
fied value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
fied value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
PLAY
Signal
Arbitrary
Measurement Point
Pin 9 of CN902 (VG)
External trigger: Pin 8 of CN706
(PANEL COM)
External trigger: Pin 8 of CN706
(PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D4
Specified Value
A = 2.50
±
0.05 Vp-p
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
4
F1
03
Change the data and set the
3
D
D4
voltage (A) to the specified
value.
value.
4
D
D4
Press PAUSE button.
5
D
D4
Read the data and this data is
named Dref.
named Dref.
6
D
CF
Dref
Press PAUSE button.
7
D
DF
Dref
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
4
F1
00
2
0
01
00
7. Color Adjustment (SY-73 Board)
Set the color saturation to the standard value.
If, deviated, the color will be dark or light.
If, deviated, the color will be dark or light.
Mode
PLAY
Signal
Arbitray
Measurement Point
Pin 9 of CN902 (VG)
External trigger: Pin 8 of CN706
(PANEL COM)
External trigger: Pin 8 of CN706
(PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
D1
Specified Value
A = 350
±
50 mVp-p
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
4
F1
04
Change the data and set the
2
D
D1
voltage (A) to the specified
value.
value.
4
D
D1
Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
4
F1
00
2
0
01
00
Fig. 5-1-23
2H
A
Green
White 100%
A: Between the white 100% (Reference level) and green
Fig. 5-1-24
Click on the first or last page to see other DSC-P3 (serv.man2) service manuals if exist.