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Inside an AV receiver 2 - Video connections

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Inside an AV receiver 2
Inputs and outputs
Video connections
Signal processing
Loudspeaker tuning
VHF tuner and power amps
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composite--s-video

 

COMPOSITE VIDEO

Lowest quality but simple and functional is Composite video, carried by a single RCA phono socket, colour coded yellow (see above). Composite is basic Black and White video, with colour added, so it is Black and White compatible and will show a Black and White picture if the colour component fails for any reason. It does not offer good picture quality from most sources, being a ‘default’ option. Composite video inputs must go through conversion to digital via an ADC before passing out via HDMI. Composite with an On Screen Menu display added is not always output from a receiver as this requires an extra on-board DAC.

 

S-VIDEO

This is a single, small multi pin plug (see above) that carries analogue video and audio together. It was used mainly in North America but is now slowly disappearing from receivers.

 

SCART

The European - well, French! - alternative to the American S-Video standard, it carried a variety of analogue video and audio signals via a large, multi pin plug. It is rarely if ever used on modern receivers and is not pictured here.

 

 

component

 

COMPONENT VIDEO

This is a high quality analogue video format and still common in AV receivers, although now as a single input and single output to a TV or monitor / projector. As with the other analogue video formats, the output may not carry On Screen display setup menus. Check in the handbook before buying if you need this.

 



 
Comments (1)
AV receiver technology guide
1Thursday, 21 July 2011 09:06
Ian Walker
Very easy to understand & well written.

Look forward to similar articles on other subjects.

Ian Walker

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