Rgb Amp Adjustment (Pd-168 Board); Contrast Adjustment (Pd-168 Board) - Sony DCR-TRV940 Adjustment Manual
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Also See for DCR-TRV940:
- Service manual (265 pages) ,
- Operating instructions manual (64 pages) ,
- Supplemental instructions (2 pages)
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DCR-TRV940/TRV940E/TRV950/TRV950E
2. RGB AMP Adjustment (PD-168 board)
Set the D Range of the RGB decoder for driving the LCD to the
specified value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1
0
01
2
C
64
3
C
64
4
0
01
A
Pedestal
A: Between the reversed waveform pedestal and
non-reversed waveform pedestal
CAMERA
Not required
Pin 1 of CN1024 (PANEL_VG) on
VC-288 board
External trigger: Pin 2 of CN1024
(PANEL_COM) on
VC-288 board
Oscilloscope
C
64
A = 3.50 ± 0.05 Vp-p
Procedure
01
Change the data and set the
voltage (A) to the specified
value. (The data should be
"00" to "3F")
Press PAUSE button.
00
Pedestal
2H
Fig. 6-1-28
3. Contrast Adjustment (PD-168 board)
Set the video signal level for driving the LCD to the specified
value.
If deviated, the LCD screen image will be blackish or saturated
(whitish).
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1
0
01
2
C
69
3
C
69
4
0
01
A
Pedestal
A: Between the pedestal (0 IRE) and 100 IRE
6-46
CAMERA
Not required
Pin 1 of CN1024 (PANEL_VG) on
VC-288 board
External trigger: Pin 2 of CN1024
(PANEL_COM) on
VC-288 board
Oscilloscope
C
69
A = 3.45 ± 0.05 Vp-p
Procedure
01
Change the data and set the
voltage (A) to the specified
value. (The data should be
"00" to "7F")
Press PAUSE button.
00
100 IRE
2H
Fig. 6-1-29
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