Question about Dynex 32 in. LCD Flat-Panel HDTV

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My tv will scan and receive channels on a antenna but will not pick up channels on a cable scan with a good cable and a proven good cable signal

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If you are not using a cable box and trying to connect cable directly to tv you will get very few channels since they are all digital now and most are scrambled

you will need to hook that cable to the input labled 'QAM' and program tv for digital channels

if you are coming out of a 'cable box' you just need to hook up video cables to an input on tv and change tv to that input - no scanning necessary

hope this helps - if not write back with more details and i will try to help more

good luck!

Posted on Mar 25, 2011

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Posted on Jan 02, 2017

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1 Answer

The auto scan is not picking up any channels


It sounds like the TV is not receiving any signal. I would recommend adjusting your antenna or make sure it is plugged into the input and running the scan again. I've had the best luck by placing the antenna higher and closer to a window or making sure the outdoor antenna is hooked up! This gives the antenna a clearer signal and makes it easier to pick up channels.

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Set up indoor antenna


Plug antenna cable directly into antenna input on tv. Place antenna where you believe you will get a signal (don't know where you live but you can look up site map for optimum direction). Go into tv menu set tv to air and auto scan air channels. Your set will receive and memorize available channels. In your sets menu you should have a strength meter. You can use this to tune in the strongest possible signal. You may have to go back and rescan the channels because if you improve the antennas position you might pick up more channels and they won't just come in automatically. Once you've scanned and received maximum number of channels there will be no need to rescan again. If you do you run the risk of losing some channels and only a rescan under optimum conditions with regards to antenna position and environmental conditions will gain those back. Keep in mind some fringe channels may come and go. Hope this helps.

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1 Answer

Cable in my area has switched to digital cable. I own a Hitachi HDTV about four years old. When I scan my channels it will only scan analog channels...the digital channels are an option but I don't...


Unfortunately, you need a set-top box. The Hitachi 65F59 has an ATSC (digital OTA) and NTSC (analog) tuner. It doesn't have a clear-QAM (unencrypted digital cable) tuner.

There are a few DVR set-top boxes with QAM tuners that you can buy separately. (You will need to make sure a given model is compatible with your service. FIOS uses a different option on the Cable Card than other providers.) Alternatively, you can get a cable box from your company.

Retrevo has the manual for this Hitachi TV here: http://www.retrevo.com/support/Hitachi-65F59-TVs-manual/id/371ci977/t/2/ . You will need to enter a code to access the PDF.

If you want OTA HD, you will need to determine the correct antenna for your area and the direction to the transmitters. (External antennas pick up more stations. In some areas amplification may be needed to get a good signal.) See antennaweb.org or tvfool.com for searches on the appropriate antenna to get a signal and where to point the antenna. Antennaweb assumes an external antenna but is very conservative in the received channel list. You would need to set the TV signal input to Air and rescan for channels if you choose to go with the OTA signal.

I wish that I had better news for you.

Cindy Wells

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1 Answer

Really? cool... so I have a Panasonic HDTV 720p... just moved, no cable, but I have a TV antenna. Amplified indoor antenna. GE brand model 24700. I powered and connected the coaxial cable between the tv...


You need to go into on screen TV tuner/channel scanning setup page and change the signal source from CABLE to ANTENNA so it will scan again to pick up off the air signals. Please read the TV user manual for more details.
What is the model number of the TV?

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1 Answer

How to Chanel Scan


Tv is hook up to cable tv or free DTV air broadcasting?Have a good antenna source hook up or cable or satellite signals.Go into the tv menu go to SETUP.Go down to CH. press enter pick Cable or Air.Enter for scanning,after it done scanning will get all free DTV air or cable broadcasting channels stations signals.

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Why won't my new Vizio DTV work on an antenna without the digital box?


Do you have the antenna aimed correctly and the correct antenna for the distance between your location and the stations? Check antennaweb.org and tvfool.com for the directions to the stations you should be able to receive. Antennaweb assumes an external antenna and is very conservative in the station list. TVfool gives the stations you should get with various different types of antennas. Tall trees and buildings will block signal strength so consider the environment around you.

With digital signals, if you do not have enough signal strength for a given tuner, the channel will not come in. An amplifier may help you get the signal, particularly if the signal is shared to several devices. Failure of an amplifier or lightning surge protection can stop the signal from reaching the TV. A surge through the antenna can damage the tuner.

A damaged cable can also be a source of a problem. Check the outside portion of the wire as well as the interior wires. Replace any that have damaged insulation or ends.

For this TV, if you have done a channel scan with the TV set to the Input TV/DTV, and the Signal Source set to Antenna. Turn the antenna and then set the Additional Scan to On. (Menu > TV > Channels > Additional Scan.) Then do another channel scan.

If you need a copy of the manual, see: http://www.vizio.com/m220va.html#support .

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1 Answer

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This television would benefit from an hdtv indoor outdoor amplified antenna not obstructed by trees, aluminum, bricks, and etc. Make sure the signal type is air and not cable and complete a channel scan during primetime tv hours after connecting to this antenna. Buy a large one that you can mount to the wall usually in a large flat box on the shelf in the store. Philips has one sold at Walmart.

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1 Answer

Just got an antenna to pick up local HDTV channels. I scan the channels and none are found. does it matter if I connect to "Ant1" or "Ant2"? neither seem to work. Thanks.


According to the user's manual on page 16, press Menu and open the Setup menu. Highlight Installation and press Enter. Open the Terrestrial menu and highlight Input Configuration. Select the ANT1 or ANT2 (whichever the antenna is connected to) and select input source Antenna [not cable]. Highlight Done and press enter. Now rescan your channels. If you still get nothing, try relocating your antenna to a better place. Digital TV is highly dependent on line of site signals. So if you are in a mountainous region or surrounded by a lot of high rise buildings, you may not receive a good enough signal to register channels on your TV.

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1 Answer

On-screen menu works but channel search yields no channels.


if you can access tv menu go to settings that show source(antenna/cable)highlight cable setting and hit search/program ;tv should go through all the channels and scan them into memory. it just might be that it is still under antenna setting .try solution ,it might be what's wrong.

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1 Answer

Sony Bravia does not see my digital channels


Hi buck lite,
Your cable company is telling the truth, you have digital cable. When auto scanned for digital channels the tv is lookig for OTR(over the air) signals. These are broadcast signals you will need an antenna to receive. Depending where you are and the type of antenna you use you probably could pick up some digital channels. Let me know if this helps and please rate this solution. Lone99star

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/jason_77a19afa8d604dee

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