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I need to know what cables to get to make it true HD. Also I wanted to know why I can't receive local channels.

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What TV do you have? To receive local channels these days, you need an ATSC tuner and an antenna pointed at the station with no intererence. The digital signal is sufficient signal or no signal. Use antennaweb.org or tvfool.com to determine what antenna and direction it needs to point to get the stations in your area. antennaweb is very conservative in the stations that it will suggest you can receive even with an external antenna (assumed). An amplifier may be useful to increase the signal if you share the signal between TVs. If the tv only has an NTSC tuner, you need a converter box. The ones that were available with the government coupon only provided SD signal out.

For HD you need at least 720 lines of pixels (from top to bottom of the screen) in the screen resolution. If the resolution is less than that, you can only get SD (480 resolution). For HD content from a set-top box (dvd player, cable box, etc), the unit matters. So what is your source? There were some where the component video output was limited to the same as the composite video cable. Thus they only carried 480. However, more modern sources will provide up to 1080i on either the component video cables (3 RCA jacks red, blue and green), DVI or HDMI. However, if you use an adapter (to go from DVI to HDMI for example) or have a long cable run, you may have signal loss and lose some resolution. Check the device manual for specifics on what signal resolution will be provided by any cable choice. HDMI will always carry HD signals.

I hope this helps.

Cindy Wells

Posted on Sep 07, 2010

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Go to menu then tuning,set from cable to air,for local channel.you can't get true HD for cable because cable is an analog signal

Posted on Sep 07, 2010

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Got a new hd reciever. can't get hd channels


First make sure your receiver is connected with one of the following.. HDMI (one cord resembling a usb cord but shaped on the ends a little diffrent) or Component wires (this cable is made of 5 wires red and white for sound and red, blue, green for picture) these are the only two ways your receiver will deliver true HD.. Once you've verified that your receiver is connected with one of those methods if you are still not receiving your HD channels you must call your cable provider and tell them there is a code missing from your account.. The cable system has codes that interact with your equipment that tells your receiver what you are allowed or paying to watch in your case the code for HD is missing.. Remember a normal coaxial cable will not deliver true HD from your receiver to your tv. Although that cable does bring the signal to your receiver. There's a good video that can teach you a lot about how this stuff works, might be worth looking into.
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Most locations are real hard to get local stations using indoor antennas. If you are in a location where you do not have cable, I would try either a outside antenna on the roof or go with Direct TV Dish / Dish Network system.
I hope this helps,
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1 Answer

I HAVE A SUMSUNG THAT IS HD, BUT IT'S NOT HDMI,i GET REGULAR CHANNELS, BUT WHEN I SWITH TO A HD CHANNEL, IT IS ALL SCRAMBLED? WHY?


I assume you have cable. The cable HD and digital channels are usually sent in Quadrature Amplitude Modulation (QAM). The cable companies are required to send local channels in the clear but not so for any others. Regular (basic) channels may be clear or scrambled. USA many not be but HBO will be.
So you have 1 of 2 problems: (1) your TV does not do QAM or (2) they have scrambled the channels you want to see. Questions: (1) Have tried direct Over-the-Air (OTA, ATSC) reception for your locals? (2) Can you see the HD local channels on cable? (3) Are you paying for an HD box from the cable company to have the channels decoded? If in doubt contact the cable company.
Current Samsung TVs do do QAM and OTA HD. Alternatives are Dish or Direct to get satellite with an HD receiver using HDMI or 5-cable RCA. Costs are comparable but OTA wins, hands down. -Ken

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1 Answer

I don't know how a program it, since you change digital.


So far as I know the HLN series does not have an ATSC tuner, thus no over the air (OTA) reception. You can probably still get a $40 coupon for an OTA ATSC to NTSC converter. Note that will NOT get you high definition (HD). With Dish you can get HD receivers that do get OTA ATSC both HD and SD. With Direct, no OTA AFAIK. With cable you would need a QAM tuner, not in your TV AFAIK to get clear channels as required for locals. Otherwise cable needs a Set Top Box for digital and scrambled channels although the standard definition (SD) non-scrambled channels work with your NTSC tuner. Too bad there seem to be no ATSC to 5-cable RCA or HDMI HD converters except Dish. -Ken

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1 Answer

How to get a high definition Picture??


Hi, first of all you need a high definition source. I'm not sure if your cable box is HD but lets take it as an example. The component leads which you are using isn't 'true' HD video quality, what you need is a hdmi cable from your source to your TV.

Your cable box maybe HD with a HDMI output, if it is then you need the lead to come out of the cable box into your tv's HDMI input using a HDMI lead. Then you switch your TV's source to the HDMI input and it then should be producing a HD quality picture, but to truly get the full HD experience you may want to subscripe to a HD channel or purchase a blueray player becasue most cable TV channels are upscaled to HD and the definition is not as good as on a blue ray disc or a true HD channel.

So in conclusion the cable and input you are using is not designed for HD input. I believe your TV is HD, check for HDMI inputs or DVI inputs.

Hope this explains your problem

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1 Answer

NO HDTV


There are many variables here that could cause the problem. I can receive a few local HD channels ( within about 60 miles ) on my 57H94. I am not aware of any "HD specific" settings- it's all part of the receiving circuits in the TV. The first thing I would look at is to be sure you have a secure antenna connection. Then be sure you have selected the correct antenna input on the TV (there are two). HD channels, as an example will show up as 10-1, 10-2, etc. Most TVs have different sensitivity thresholds, regardless of size. Usually digital signals, including HD, are either there or not. In most cases if a TV picks up a decent analogue signal, a digital set should receive the digital signal, including available HD channels, as well. If you are going to use an antenna, rather than cable or satellite, try to get the best antenna you can afford, that will meet your physical requirements ( indoor / outdoor,etc.). Keep in mind that not all digital TV signal are HD. All of our local stations in this area transmit a digital signal, but true HD broadcasts remain variable. I hope this has helped in some way-Good Luck!

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4 Answers

I purchased a SANYO-DP46848 42"HDTV. I have a Cable box and my cable provider (Time Warner Cable) provides free HD Channels. However.... I CANNOT PICKUP ANY HD CHANNELS ON THE NEW TV. WHY???...


I just got the same exact one, when it searches automatically the first time it doesn't look for digital channels. go to Menu>manual channel search>cable. it will look for all possible signals and will take forever probably. the free digital channels will take several seconds to switch channel to channel, but they're there! They will show up on your screen as "DC 91-2" or similar. you can switch back to regular cable channels with the input button, you just cycle through all the inputs. hope that helps.

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1 Answer

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Make sure your using a 2.0 HDMI cable.
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