5-41
4. Contrast Adjustment (PD-124 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
VTR stop
Signal
No signal
Measurement Point
Pin
7
of CN009 (PANEL VG) of
VC-240/241 board
Ext. trigger: Pin
qa
of CN009
(PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
D
Adjustment Address
AA
Specified Value
A = 2.80 ± 0.05V (TRV6E/TRV20E)
A = 2.60 ± 0.05V (TRV6)
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: D, address: AA, change the data and set the voltage
(A) between the pedestal (0 IRE) and 100 IRE to the specified
value.
(The data of address: AA should be “00” to “7F”.)
Note:
The contrast adjustment mode is set up automatically, so the 3
steps signal is displayed on the LCD screen.
3)
Press the PAUSE button of the adjustment remote commander.
4)
Select page: 0, address: 01, and set data: 00.
5. Center Level Adjustment (PD-124 board)
Set the video signal center level of LCD panel to an appropriate
level.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin
7
of CN009 (PANEL VG) of
VC-240/241 board
Measuring Instrument
Digital voltmeter
Adjustment Page
D
Adjustment Address
AB
Specified Value
A = 5.25 ± 0.03V (3.5" LCD)
A = 6.75 ± 0.03V (2.5" LCD)
Note:
3.5" LCD: DCR-TRV20E
2.5" LCD: DCR-TRV6/TRV6E
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 3, address: 0C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 3, address: 22, set data: 08, and press the PAUSE
button.
4)
Select page: D, address: AB, change the data and set the DC
voltage (A) of VG signal to the specified value.
5)
Press the PAUSE button.
6)
Select page: 3, address: 22, set data: 00, and press the PAUSE
button.
7)
Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8)
Select page: 0, address: 01, and set data: 00.
100IRE
Pedestal
A
2H
Fig. 5-1-24.
Содержание Handycam DCR-TRV11
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Страница 85: ...DCR TRV6 TRV6E TRV11 TRV11E TRV20 TRV20E 4 9 4 10 CCD IMAGER CD 252 1 677 549 ...
Страница 93: ...DCR TRV6 TRV6E TRV11 TRV11E TRV20 TRV20E 4 81 4 82 KEY CK 94 1 677 559 ...
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Страница 208: ... OPTICAL AXIS FRAME DCR TRV6 TRV6E TRV11 TRV11E 247 Take a copy of OPTICAL AXIS FRAME with a clear sheet for use ...