Bright Adjustment (Vf-141 Board) - Sony MVC-FD97 Service Manual

3. Bright Adjustment (VF-141 board)

Set the D range of the RGB driver used to drive the LCD to the
specified value. If deviated, the EVF screen will become blackish
or saturated (whitish).
Mode CAMERA
Subject Arbitrary
Pin wa of CN803 (EVF_VG) on
Measurement Point
FC-85 board
Measuring Instrument Oscilloscope
Adjustment Page D
C9 (NTSC)
Adjustment Address
CB (PAL )
A = 7.20 ± 0.1 Vp-p
Specified Value
Menu setting:
1) VIDEO OUT of SET UP menu
.................................. NTSC (NTSC mode)
(This adjustment must be performed in NTSC mode, so don't
set the menu setting to "PAL" )
Adjusting method (NTSC):
Order Page Address Data
1 0 01 01
2 5 F1 03
3 D C9
4 D C9
Adjusting method (PAL):
Order Page Address Data
1 0 01 01
2 5 F1 03
3 D C9
4 D C9
5 D CB D
C9
Processing after Completing Adjustment:
Order Page Address Data
1 5 F1 00
2 0 01 00
Procedure
Change the data and set the
voltage (A) to the specified value.
Press PAUSE button.
Procedure
Change the data and set the
voltage (A) to the specified value.
Read the data and this data is
named D .
C9
Press PAUSE button.
Procedure
A
Pedestal
A: Between the reversed waveform pedestal and non-reversed
waveform pedestal
5-39
Pedestal
2H
Fig. 5-1-26