– 14 –
DCR-TRV320/TRV320E/TRV320P/TRV420E/TRV520/TRV520E/TRV520P/TRV525
TRV620E/TRV720/TRV720E
5. Contrast Adjustment (PD-133 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 Camera
Subject Arbitrary
Measurement Point Pin 3 of CN5502 (VG)
External trigger : Pin 4 of CN5502
(PSIG)
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address AA
Specified Value A=2.63 ± 0.07 Vp-p
4. RGB AMP Adjustment (PD-133 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 Camera
Subject Arbitrary
Measurement Point Pin 3 of CN5502 (VG)
External trigger : Pin 4 of CN5502
(PSIG)
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address A5
Specified Value A=7.45 ± 0.05 Vp-p
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2D A5
Change the data and set the
voltage (A) to the specified value.
(The data should be “00” to “FF”)
3 D A5 Press PAUSE button.
4 0 01 00
Adjusting method:
Order Page Address Data Procedure
1 0 01 01
2DAA
Change the data and set the
voltage (A) to the specified value.
(The data should be “00” to “7F”)
3 D AA Press PAUSE button.
4 0 01 00
Fig. 5-1-30Fig. 5-1-29
A
A: Between the reversed waveform pedestal and
non-reversed waveform pedestal
2H
Pedestal
Pedestal
A
A: Between the pedestal (0 IRE) and 100 IRE
2H
100 IRE
Pedestal