JVC 250 service manual Quad Standard Decoder VIC Main Functions

Chapter 5---Electronics

Quad Standard Decoder VIC

The Quad Standard Decoder VIC provides an interface for composite and S-Video formats input. It contains three BNC input connectors, one for Composite Video and two for S-Video (luminance and chrominance). This decoder VIC converts Composite and S-image formats to RGBHV format.

Quad Standard Decoder VIC - Main Functions

!Select input source, Composite or S-video

!Select standard-AUTO/NTSC/PAL/SECAM/4.43NTSC

!Conversion of composite and S-image signals to RGB image signals

!Separation of syncs from the input signal

!Tint, sharpness, and color adjustment

!LED indication of Composite or S-video

!IIC serial bus interface

Figure 5-39Quad Standard Decoder VIC faceplate.

Figure 5-40Quad Standard Decoder I/O Diagram.

5-70 Model 250 Service Manual