17
DVM-4800
Do this confirmation after replacing a P.W.B.
5.5.1. Video
Output
(Luminance
Signal)
Adjustment
Measurement
Point
Adjustment
Point
Mode
Disc
Video Output
Pin Terminal
GND: Chassis
VR3225
Playback
(Color Bar)
DVDT-S20
(title 9)
Measuring Device
Adjustment Value
Oscilloscope
500 mV/div, 10
µ
s/div
1000
±
20mV p-p
For compatibility of video signal output.
1. Connect the monitor TV to the video output terminal and
terminate at 75 Ohms.
2. Play back the color bar part title 9 (DVDT-S20) of the DVD
Test Disc title.
3. Adjust the VR3225 so that the luminance signal output is as
shown below.
Adjustment Value = 1000
20 mV p-p
Fig. 5-5-1
Luminance Signal Output
5.5.2. Video
Output
(Chrominance
Signal) Adjustment
Measurement
Point
Adjustment
Point
Mode
Disc
Video Output
Pin Terminal
GND: Chassis
VR3221
Playback
(Color Bar)
DVDT-S20
(title 9)
Measuring Device
Adjustment Value
Oscilloscope
500 mV/div, 10
µ
s/div
624
±
12mV p-p
For compatibility of video signal output.
1. Connect the monitor TV to the video output terminal and
terminate at 75 Ohms.
2. Play back the color bar part title 9 (DVDT-S20) of the DVD
Test Disc title.
3. Adjust the VR3221 so that the chrominance (CYAN) signal
output is as shown below.
Adjustment Value = 624
12 mV p-p
Fig. 5-5-2 Chrominance Signal Output
5.5. Electrical Adjustment
Содержание DVM-4800
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Страница 20: ...20 DVM 4800 6 ABBREVIATIONS MOVING PICTURE EXPERTS GROUP ...
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Страница 45: ...8 7 6 5 4 3 2 1 A B C D E DVM 4800 45 10 WIRING DIAGRAM ...
Страница 57: ...57 4 3 2 1 A B C D E DVM 4800 SCHEMATIC DIAGRAMS 11 15 TERMINAL ...
Страница 82: ...8 7 6 5 4 3 2 1 A B C D E DVM 4800 62 13 PRINTED WIRING BOARDS MAIN P W B UNIT Ass y COMPONENT SIDE ...
Страница 83: ...8 7 6 5 4 3 2 1 A B C D E DVM 4800 63 FOIL SIDE ...