Composite vs Component cable/pixeling help!
 

What is the difference between a composite HD cable (from cable box to
HDTV) and a component cable? I have some pixeling and sometimes my TV
goes to black. I have the cable company coming (again) to see if they
can fix this problem. In the meanwhile I called the TV mfg and they
said to possibly try a "component" cable in place of the composite
cable. The mfg (Vizio) said that there is a compatibility issue with
the SA 8300 and their TV connected by the HDMI cable (which i don't
use).

Any suggestions...?

PS: I just split my screen with one side with the HD cable box feed
and the other with the other line from the splitter. The line directly
into the TV no problems, from the cable box, still pixels at times..

Any help?

Composite vs Component cable/pixeling help!
 

Generally a composite (one cable) connection from you HD receiver/decoder
cannot carry an HD signal. The connection should be component (3 cables).
HDMI connections between receivers and HDTVs often do not work in my
experience; there are many compatibiltiy issues. However DVDs read by a
machine that upconverts the signal and puts it out over HDMI are even better
than DVDs viewed over component connections.
Occasional pixellation of HD signals is a fact of life along with occasional
desyncrhonization of audio and video and dropped signals no matter what you
do.
Some sources are worse than others. It is difficult to know in any specific
instance where the fault lies: is it the program source, the satellite/cable
feed, your hardware, gremlins?
In my experience ABC HD signals desynchronize audo and video more frequently
than other sources, but a few days ago that was a problem with the NBC HD
signal. The local over the air CBS HD broadcaster has more pixellation in
its live sports shows than I see in live sports on satellite HD feeds of ABC
or NBC. Curiously ESPN, an ABC subsidiary, tends to put out the best HD
signal of live events of any broadcaster I receive, but they may just be a
local quirk.

Composite vs Component cable/pixeling help!
 

In article .com,
says...


What is the difference between a composite HD cable (from cable box to
HDTV) and a component cable? I have some pixeling and sometimes my TV
goes to black. I have the cable company coming (again) to see if they
can fix this problem. In the meanwhile I called the TV mfg and they
said to possibly try a "component" cable in place of the composite
cable. The mfg (Vizio) said that there is a compatibility issue with
the SA 8300 and their TV connected by the HDMI cable (which i don't
use).

The manufacturer's help people are off base. To get HD you need a
component or HDMI connection to the TV from the cable box. Any halfway
decent cable installer would know that and hook it up right. If it was
hooked up with composite you wouldn't be seeing HD and would, in theory,
see that the picture wasn't good enough.

The problem is very likely with the cable company's head end, their
reception of the HD stations, their distribution system, the original
station's signal or satellite reception problems. But they will likely
never admit that and send a tech out to look at your system anyway and
then if they say it is you indoor wiring try to charge you for it if you
don't pay for their wire maintenance plan.

The only way to be certain the problem is a system one is to check with
other owners of HD boxes in your area that get the same service.

It could be a problem with the cable box itself. If you can get
non-encoded HD stations on a QAM tuner in your set with the cable
directly hooked up to it, and those stations break up via the box, then
it could be the box.


PS: I just split my screen with one side with the HD cable box feed
and the other with the other line from the splitter. The line directly
into the TV no problems, from the cable box, still pixels at times.

When you say you get no problem directly hooked to the TV, does that mean
the non-encoded HD stations come in fine on a QAM tuner, or are you
looking only at the analog stations? Analog isn't affected by the same
problems as digital and HD on a cable system.

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