Sony Cyber-shot DSC-F707, Service Manual

Page: 112 / 138

5-38
DSC-F707
3. Bright Adjustment (PD-155 Board)
Set the D Range of the RGB decoder for driving the LCD to the
specified value.
If deviated, the EVF screen image will be blackish or saturated
(whitish).
Mode PLAY
Signal Arbitrary
Measurement Point Pin
wa
of CN305 on FR-181
board (EVF_VG)
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address F5
Specified Value A = 6.76
±
0.10 Vp-p
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2 D 1E 20 Press PAUSE button.
3 4 F1 03
4 D F5
Change the data and set the
voltage (A) to the specified
value.
5 D F5 Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data Procedure
1 D 1E 01 Press PAUSE button.
2 4 F1 00
3 0 01 00
4. Contrast Adjustment (PD-155 Board)
Set the level of the VIDEO signal for driving the LCD to the speci-
fied value.
If deviated, the EVF screen image will be blackish or saturated
(whitish).
Mode PLAY
Signal Arbitrary
Measurement Point Pin
wa
of CN305 on FR-181
board (EVF_VG)
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address FA
Specified Value A = 2.12
±
0.10 Vp-p
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2 D 1E 20 Press PAUSE button.
3 4 F1 03
4 D FA
Change the data and set the
voltage (A) to the specified
value.
5 D FA Press PAUSE button.
Processing after Completing Adjustments:
Order Page Address Data Procedure
1 D 1E 01 Press PAUSE button.
2 4 F1 00
3 0 01 00
Fig. 5-1-27
2H
A
Pedestal
Pedestal
A: Between the reversed waveform pedestal and non-reversed
waveform pedestal
Fig. 5-1-28
2H
A
Pedestal
10 steps peak
A: Between the pedestal and 10 steps peak