Definitions; Electrical; Input And Output Signal Levels - Vivitek RP56HD21 Service Manual

Rear projection multi purpose display unit
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3.6. Definitions

The full white pattern is defined as an all white screen produced by 0.7V video input to R,G,B.
Note : All measurements are done in a darkened room. Contrast measurements are done using a full white
screen and a full black screen.
Note : The uniformity calculations for brightnessis to be done using the following formula :
Brightest : [(Max-Average Brightness)/Average Brightness]*100
Dimmest : [(Average Brightness-Min)/Average Brightness]*100

4. Electrical

4.1. Input and Output Signal Levels

Specification
Video input amplitude.
Composite video (CVBS)
Sync negative.
S-video.
Luminance (Y)
Sync negative.
Chrominance (C)
NTSC color burst signal.
PAL color burst signal.
Components video.
Luminance (Y)
Sync negative.
Chrominance (Pb/Cb/B-Y)
10
1
4
7
13
Units
Minimum
V p-p
V p-p
V p-p
V p-p
V p-p
V p-p
11
2
5
8
Maximum
Typical
1.0
1.0
0.286
0.3
1.0
0.7
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3
6
9
12
Notes
75 ohm.
75 ohm.
75 ohm.
75 ohm.
75 ohm
75 ohm

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