Chapter 2---System Description
2.3.3 Video Input Cards
The four types of Video Input Cards that can be used with the Model 200 Projector are:
•Standard RGB Video Input Card, which is supplied with each projector and is used for RGB standard formats
•Optional Four Input RGB VIC used in a similar manner as a switcher.
•Optional HDTV VIC used for High Definition Television.
•Optional Quad Standard Decoder VIC used for NTSC, PAL SECAM and other composite sources.
Standard RGB Video Input Card (RGB_VIC)
The RGB Video Input Card (RGB_VIC) is located on the back side of the projector. It has five BNC input connectors. It provides the RGB and sync interface for the Model 200 projector.
The following functions are provided by the RGB VIC:
•Video and sync interface for red, green and blue
•LED indication
•IIC serial bus interface
RED GREEN BLUE HORIZ VERT
IIC_CLK IIC_DATA IIC_INT
+5.1Vstby
+5.1V
+15V
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RED_VIC GREEN_VIC BLUE_VIC H_VIC V_VIC
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GND
GND
GND
Figure 2-6. Standard RGB VIC I/O
Video and sync interface for red, green and blue
The RGB VIC provides a high bandwidth interface for the three color video signals. The video signals are routed to the Backplane Board without any distortion or modification. The sync signals (horizontal and vertical) are also directly connected to the Backplane Board.
Model 200 Service Manual |
