AUDIO / VIDEO CONNECTIONS for an all in one Home Theater system?
I just got an LG all in one Home theater… i am pretty lazy with TV technology, so I just got it out of the box, hooked and placed the speakers in their place. LG only provided a very primitive video cable so every connection between the system and the TV is missing. I will go later to buy the cables but I really dont know the difference between S-video, video component, digital audio…. nooooothing (last time I checked, everything worked with yellow, white and red 
)… I dont know if this could be relevant but the TV is a sony bravia (I thnk it has pretty much every input or output port available) and the HT is a regular semi-primitive all-in-one-box LG system.
I’d appreciate anyone´s help with any of the following:
1) Is it possible to have a nintendo Wii and a dish receiver connected to the Home Theater DVD (that acts as the home theater receiver). If so, what connections do I need?
2) which type of connection is better, and how expensive can they be?
THANX!
The best answer is take it back!
The best unit LG has to offer has 2 AV ins that a composite video and stereo audio connector. Some have a digital audio in but this would make you TV the hub of the system. How ever I believe that Sony uses a optical digital audio out that would need a optical to digital coax converter to work right.
I think it is more trouble than it is worth. I would stay away from a HTIB and look a separates with a budget outlined you could easily get more bang for your buck.
Now connection types: Video first
HDMI: this is a “digital” interface. The cable carries digital picture and sound undecoded to the destination device. Simple to use, keeps copy protection intact. Resolution up to 1080p
Drawbacks: destination device is the does the video decoding, most of the time this is undesirable. Connector is flawed. Prone to errors and delay issues with digital audio. Based on twisted pair that emits huge amounts of EMI/RF interference. all devices must support audio format to work properly.
DVI: same as above except no audio and connect is better, but still twisted pair.
Component: Best connection for the money. Can support up to 1080p resolutions (except Sony doesn’t like this). great for long runs and has a low EMI/RF signature. Consists of three video signals y-pbpr, pb, pr. on 3 75 ohm cables. RCA connector.
Drawbacks: cost of three cables. Some device manufactures( SONY) will not support 1080p output on this format, only for copy protection reasons.
S-video: resolutions up to 540i, one cable supplies luminance and chrominance on a shielded 2 pair cable.
Drawbacks: cables require lots of shielding just to work. connector has pins that can break.
Composite: just above coax can support 480i RCA connector.
Now Audio:
besides HDMI
Optical: fiber optic cable supports multiple formats of audio with a limited bandwidth of transfer rate. Best for long runs over 2 meters. Keyed connector.
Drawbacks: can be made to distort signal from vibration. All devices need to support audio format.
Digital coax: RCA style of connector same as above best for runs under 2m. not prone to vibration distortion but needs EMI/RF shielding.
Drawbacks: Cost of cables, same format issue.
RCA uncompressed audio: Best format for audio. no format issue. Drawbacks: Cost of cables.
So my preferred connections are Component for Video and discrete connectors for audio. These allow the most flexibility but have the highest cost.
I also recommend you get a home theater book or start buying the mags to get an idea of what you want to do, what’s out there and your budget. Good cables are a start but you need power filtration and the like as well.
Good luck! 
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