JVC 250 service manual Input Quad RGBHV VIC - Main Functions, Input Quad RGBHV VIC - Inputs

Chapter 5---Electronics

4-Input (Quad) RGBHV VIC

4-Input (Quad) RGBHV VIC - Main Functions

!Interface for four sets of Red, Green, and Blue image inputs

!Interface for four sets of Horizontal and Vertical synchronization pulses

!VIC selection by IIC Serial Data Bus

!LED indication of VIC selection

Figure 5-354-Input (Quad) RGBHV VIC faceplate (two VIC slots ).

4-Input (Quad) RGBHV VIC - Inputs

Four sets of inputs

R - red image from source input (0.7-1.0 Vpp).

G - green image from source input (0.7-1.0 Vpp).

B - blue image from source input (0.7-1.0 Vpp).

H - horizontal sync from source input

V - vertical sync from source input

+15 V - power for analog circuitry -15 V - power for analog circuitry +5.1 V - power for digital circuitry +5.1 V Stdby

5-64 Model 250 Service Manual