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No signal on DTV channels 9 and 7 - Televison & Video

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  • Anonymous Apr 28, 2009

    Can't get a signal on any channel, worked all last week, this week nothing what the hell

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Try to rechannel it again

Posted on Dec 10, 2008

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Cannot change channel on my Dynex DX-L26-10a TV


Try checking the signal strength then run the scan again.
Checking the DTV signal strength
You can check the DTV signal strength to determine if you need to adjust your antenna or digital cable input. The higher the signal strength, the less likely you are to experience picture degradation.To check the DTV signal strength:
1.Press MENU. The on-screen menu opens.

2.Press < or > to highlight Channel, then press v. The Channel menu opens. The DTV signal strength is shown at the bottom of the menu.

3.Press EXIT to close the menu.

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Will our Sony Television Model No KD-28-~DX 40U work after the switchoverjanetgrant226@btinternet.com


No,as a tv alone only for recieving a free AIR DTV signal broadcasting signal tv channels.This tv is an analoge tv.U must hookup to any analoge tvs to a box that called a Digital Converter box to used to recieving free AIR DTV broadcasting signal for channels.U still can used it for any analoge tvs if u have a pay tv signal broadcasting channels services.

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My remote scanned all the tv channels (Cable TV, TV, DTV and Cable DTV). The channels that do not show up now are the Cable TV channels. They are there if I type in the channel number but the remote...


U are recieving an using DTV Free AIR broadcasting tv signal wright,get a better antena like a roof or a newly design digital antena for uses.This problems dose not happen to cable or sattellite services,i know this because their broadcasting tv signal frequencies are very strong and very high ranges of a broadcasting signal output for their recieving boxes.

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I can't get FOX on my converter box--what is the channel # for FOX?


It could be your antenna. Some retailers sold consumers UHF-only outdoor antennas and not VHF/UHF combo antennas. Other outdoor antennas may not have a power boost included for the VHF antennas (rabbit ears). The new DTV signals from stations are now broadcasting in lower power signals than before June 12.

Outdoor Antenna


KMSP/FOX 9 and KARE 11 both broadcast on VHF signals. WCCO and KSTP broadcast on UHF signals. You will need a VHF/UHF outdoor antenna to pick up KMSP and KARE 11 and also get all the other channels.

Indoor Antenna


Check your antenna to make sure it's a UHF/VHF antenna. You may need an indoor antenna that has rabbit ears -- that is the best way to get KMSP/FOX 9 reception on your TV. Your antenna should have a power boost to amplify the VHF signal if you are having trouble getting FOX 9 or KARE 11.

What Antenna Is Right For You?

Need help locating the proper outdoor antenna to receive your local television broadcast channels? Based on geographical maps and signal strengths, AntennaWeb.org locates the best antenna for you, whether it's a home satellite system, high-definition television (HDTV) or a traditional analog set.

Make sure you antenna is pointed toward Shoreview, where FOX 9 transmits from.

CALL FOX 9 FOR HELP: 952-944-9999

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Radio Schack converter doesn't program Ch: 25 like Magnavox!


Returned product to dealer. That fixed my proble.
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1 Answer

Trying to make DVR work after 2-17-09


I have been able to record down converted HDTV shows on my Panasonic DMR-EH50 recorder directly to the unit's hard drive and/or directly to a blank DVD-R disc.

I do not know of any DTV converter box that can provide the proper codes to the Panasonic DMR-EH50 to allow recording and scheduling of shows using the unit's built in TV Guide menuing functions (the program recording codes are essentially VCR Plus codes in the USA and VCR Video codes in the UK, and this technology was previously owned by TV Guide/Gemstar but was purchased by Macrovision within the past couple of years.)

When the DMR-EH50 is hooked up to standard RG-59/U coaxial TV cable, the cable company provides the specific VCR Plus recording codes, as well as auto setting the time and date information required for the TV Guide recording schedule menus. The VCR Plus recording codes are sent via the cable company through the coaxial cable to the end consumer's recording device. Since Gemstar's VCR-Plus patents are now owned by Macrovision, I am not sure of how this works (or will work) for non-cable/non-satellite customers or if such codes will be made available by Macrovision to record shows when one receives HDTV signals (or down converted DTV signals) from an over-the-air antenna.

Though the DMR-EH50 recorder can only record at Standard Definition (SD) broadcast resolutions, I connect the DMR-EH50 to my High Definition TV using the three progressive scan YPBPR output cables and switch my HD-TV into the YPBPR mode when I want to watch shows from the DMR-EH50.

YPBPR are the analog video signals carried by three color coded component video cables. The green cable carries the Y signal; the blue cable carries the PB signal; and the red cable carries the PR signal. The added benefit of using the YPBPR hookup is that you can 'up convert' a standard DVD disc (non HD Blu-Ray disc) in progressive scan mode to somethin akin to 720p resolution using the DM-EH50 (or any other progressive scan DVD player) to get a better quality image on your HD-TV.

Visually speaking, the same appears to hold true for playback of programs recorded on the DMR-EH50's hard drive even though down converted via the DTV converter box, and when played back on an HD-TV using the YPBPR progressive scan cabling hookup.

I also been able to successfully record programs from the DTV converter box to the DMR-EH50 recorder in both 16:9 wide screen and 4:3 normal aspect ratios, but again only in Standard Definition quality.

For NTSC and PAL formats, the correct aspect ratios for any particular TV (the rectangular height and width of your output resolution for a TV screen) can usually be setup correctly for most any DTV converter box by going carefully through the menus on the converter box. Though the converted DTV often will yield 'better looking TV' than cable, it's certainly not high definition however, as the purpose of any DTV converter box is * not * to yield a High Definition digital TV signal but a lower quality Standard Definition signal for viewing on older SD-TVs.

We must remember that what is happening here is that (by NTSC USA standards), we are transcoding (i.e., down converting) an over the air 1920 x 1080p (progressive scan) High Definition digital broadcast signal, captured by your over the air antenna, back to a Standard Definition 720 x 480 resolution analog broadcast signal (the 720 x 480 resolution is a 4:3 aspect ratio.)

Hope this helps a little -

Greg Loveria
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1 Answer

I installed an Insignia converter box, Model # NS DXA1, and it worked fine. I did not realize it would decrease the size of my screen, so I disconnected it and figured I would try again later. I have...


Ok, you have 2 issues:
1) Consult the manual page 8 for setting the 'type' of TV either 4:3 (Standard) Aspect Ratio or 16:9 (Widescreen) Aspect Ratio. Then the Picture Size for 'each individual station' can be Selected via the button on your remote in the upper right hand corner. It's labeled "ZOOM". As you push the button, it will rotate through the size types available. If you have an older standard TV (4:3) and want to fill the entire screen, then select 'CROPPED' for every channel(my preference). You will only see a center cut of the entire picture and will lose some picture on either side, but most of the action will remain in the center of the screen. If you select "SET BY PROGRAM" then some programs will appear in their actual Aspect Ratio so some will be in 16:9 and some in 4:3. More and more programming will end up being 16:9(the new DTV/HDTV Standard). Set this to your liking.

2) This is going to take a bit of explaining:
Depending where you live geographically, whether in a home or an appartment, and the Type of Antenna you are using, your reception problems may be affected by a combination of these. The FCC was not completely forthcoming in letting the public know that the best way to get DTV signals(and Analog) is with an Outdoor Antenna and that indoor Antennas may be useless. Plus most of the 'fancy HDTV touted" Indoor antennas are various degrees of bad when it comes to VHF reception. The new system they(FCC) selected has lowered significantly the power at which TV stations broadcast. So most people using Indoor Antennas may not get all of their favorite channels even with the best of indoor antennas and doing everything right with the 'placement' of that antenna. The same goes for and Outdoor Antenna. Just because you have a premium outdoor antenna and it has worked perfectly for the last 10yrs.(of more) with Analog TV, DOES NOT MEAN THAT it will work perfect with DTV for a few reasons:
1) DTV Signals, because of their lower power, require very deliberate placement of an antenna. Just pointing it in the right direction is not enough. DTV signal reception is a bit like 'Swiss Cheese' meaning if your are getting poor results and think that rotation will fix it, you may be wrong. If you are in the 'hole' and rotate, you are still in the hole. Sometimes moving your antenna a couple feet laterally can make a huge difference.
Why? Because the direct DTV signals coming from the TV stations are in the Kilowatt range (analog was usually more than a million watts!) They have now become more sensitive to interference from the back and sides of your antenna. Some sources of interference can be a reflection of the same signal off of a nearby tower or building which cancel some of the direct signal resulting in low or no signal. FM Radio transmissions, an Analog TV station from Canada(they don't go digital until 2010) operating on the same channel as your favorite Channel's new channel assignment can inject so much noise that your tuner cannot process it. Remember, runnig through just about every neighborhood are many other Wireless/Microwave Services: Phone, Internet, TV, Paging Systems, etc.. These, too can ave some affect.
So by moving your antenna to a position that I refer to as the "Sweet Spot", you are allowing your antenna to get more of the direct signal and 'de-tune' the unwanted signals from the back and sides.
Why did the channels you found before not show up the next time? Well, based on your current antenna's position and the signal strength its receiving from those stations, the level may have dropped off due to some of the above. Every DTV and Converter Box has a 'lower signal level cut-off point', meaning it needs so much signal before it cuts off. Because DTV either gives you a perfect picture or its gone, the old method of looking at picture quality to make sure your antenna was placed correctly is not valid. So the maker of the Converter Boxes put "Signal Strength Meters" in every box. Get to know where this is. It is your new best friend and is the only way you can be guided when placing your antenna. It can usually be accessed by pressing a button on the remote labeled :"SIGNAL or METER" and sometimes "DISPLAY or INFO". Some Boxes, like many DTV Sets, require you to go into the menu settings to locate this feature. Usually the sinal strength is indicated by a RED, YELLOW & GREEN scale and may have a % indication. To have reliable pictures, you should be above 60% or in the GREEN Zone. If you are only getting less than 60% or Yellow Zone, you may see the picture break-up into little squares or 'Pixelate' as it is known. If you are in the RED Zone or less than 30% your Box or DTV will not lock and give a "NO or LOW" signal indication. It is normal to see the meter indication 'hunt' or move up and down a bit due to atmosheric conditions and the swaying of the TV station's Towers.
Gee, Can you tell that I explain this often? Yea, I work for a TV Station in Cleveland. This switch has generated more than 700 phone calls all of which I attempt to call back on a daily basis. The public needs to be re-educated on this new system and how to make it work for them. Every installation is unique. In many cases, it will require the help of a qualified TV Antenna specialist to find the "Sweet Spot". Those of you in Apartment buildings, and anyone that may be a shut-in or senior with limited help or finances, my heart goes out to you.
Hope this helps!

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1 Answer

Digital tuner


I don't have this unit, but guessing from it's description on Amazon.com, I'd figure that it is analog-only. So you would need a converter.

Here's the thing: all U.S. broadcasters are transmitting the new DTV signals NOW - in addition to the old analog signals. If a TV has a digital tuner, you should be able to use it now to see those DTV signals. Check your setup menu for options like ATSC.
One hint, the new signals use channel designations like 7.1 or 7-1 or 7-1HD. And some stations will have virtual channels, i.e., 7.1, 7.2, 7.3. If you can't get your TV to scan channels and show the numbers in that fashion, it isn't using a digital tuner.

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