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