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When the cable company offers you digital cable, you typically need a cable box to unscramble the digital channels. Therefore you need to connect either a coaxial cable from the cable box's RF output, if it has one, or connect 3 RCA cables from the yellow, white and red jacks on the rear panel of the cable box to the TV. Analog channels only (if available) will go straight thru over the coaxial RF hookup. They are not scrambled. Select the proper input source on the TV for the cable box.
That is how the channels are broadcast - reset the cable box and make sure your TV is digital ready to receive the signals. Some channels are just scrambled and you can't receive them. Go through your set up with your remote to channel search but some will still be scrambled because they are closed circuit or just for some broadcasts.
o.k. check all your connections
if you have a newer house check to see if you have a main hub in a
closet somewhere and check all connections. Check your hd receiver and
you may be able to chage the DPI the receiver receives in.
I have this problem on some of my non HD channels, also. So much for going digital. I get fuzz and pixel problems "from time to time", but, if it is really bad and consistent your should call your service provider.
Things to ask also ? are you using cable or satellite.
If satellite T.V. there are other reasons you could be experiencing problems.
Hey barfinkl1, "Digital cable ready" TV's have a built-in feature that allows them to receive both standard and high definition signals, typically through the use of CableCARD technology instead of a set-top box. While this specific Samsung model (HL61A750) is not digital cable ready, it does feature both an ATSC and Clear QAM tuner. This means that it should still be able to receive locally broadcast and unscrambled over-the-air digital signals, but will require a set-top cable box to receive any kind of scrambled digital signal. Hope this helps you out. Sincerely, Aaron Go Ahead. Use Us.
If you can get some of the stations without the box (often the case
for those who subscribe to digital cable or movie channels), then one setup is to split the raw cable and feed the box and the TV, then have the box feed the VCR and hook up the VCR composite video and line level audio outputs to the TV.
The VCR tuner would always be set to the VHF frequency your cable box RF output is on, usually ch. 2, 3 or 4.
This setup allows PIP to work, with the TV tuner limited to
unscrambled analog stations, and it also allows you to tape anything
coming through the box, while watching unscrambled analog stations on the TV.
However, it requires the VCR to be on and the TV set to the
external video input to simply watch what is coming through the cable box.
There are other ways to set this up with more flexibility using
splitters and A/B switches, or you can look for a special switch box
that handles the job.
The above assumes your TV has composite video and line level audio
The only way to have full flexibility to watch any scrambled or
unscrambled station at the same time as taping a scrambled station is to have 2 cable boxes. The only way to have your VCR control the
cable box and record different programs by switching the box by itself is to have a VCR with a cable box controller, also known as a cable "mouse".
Hope this helps