Sony DCR-TRV240 Service Manual page 129

DCR-TRV240/TRV340
2. RGB AMP Adjustment (VC-276 board)
Set the D range of the RGB driver used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1 0 01
2 C 54
3 C 54
4 0 01
A
Pedestal
Camera
Arbitrary
Pin qs of CN1108 (EVF VG)
Oscilloscope
C
54
A = 7.50 ± 0.10V
Procedure
01 Set the data.
Change the data and set the
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to the
specified value.
Press PAUSE button.
00 Set the data.
Pedestal
2H
Fig. 5-1-15.
3. Contrast Adjustment (VC-276 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).
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1 0 01
2 C 58
3 C 58
4 0 01
A
Pedestal
5-28
Camera
Arbitrary
Pin qs of CN1108 (EVF VG)
Oscilloscope
C
58
A = 2.49 ± 0.10V
Procedure
01 Set the data.
Change the data and set the
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value.
(The data should be "00" to "7F".)
Press PAUSE button.
00 Set the data.
100 IRE
2H
Fig. 5-1-16.