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Tv turns on with no signal, it is scanned but still no signal

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How to get NO SIGNAL off my TV screen and turn it on


If you are using a cable-system set-top box and running it to the Coaxial input of the TV, then you need to perform the channel scan. If you are using a set-top box and are using a composite or HDMI input cable to the TV, then no channel scan is required. You merely need to use the SOURCE button on the TV remote to choose the composite or HDMI input connection. Nd if you are getting a "no signal" indication on the TV, it IS on.

Mar 04, 2015 | Televison & Video

1 Answer

Cant get dtv highlighted in menue on tv


Your TV must receive a digital signal in order for the DTV option to be available. Since you are not seeing all of the channels when you auto scan then it can be assumed that the signal cable connected to your set is not providing the digital signal. Make sure you are scanning for the proper source of your signal ( Cable TV, Broadcast TV)

Nov 29, 2014 | Seiki 32" LED TV - SE321FB

1 Answer

Televison station won't scan


If you are receiving a "No Signal" error message, verify that:
  1. All of the cables physically connected to the TV and the input device are secure.
  2. The input device is turned on.
Your TV needs to scan for channels before it can show programming from an antenna, from cable TV when the cable comes directly from the wall (no cable box), or from a cable or satellite box connected to the TV with a coaxial (RF) cable. Do not scan for channels if you have a cable or satellite box connected using AV (Composite), Component, or HDMI cables. The box selects the channel, not the tuner inside your television. If you are not using the "TV" input, press the INPUT button on your remote until the correct input mode is selected.
To perform a channel scan using the coaxial input:
  1. Press the INPUT button on your remote to view your current input source. The TV (coaxial cable) input must be selected. This may appear as "TV," "ANT," or the channel and call letters of a station.
  2. If the TV input is not selected, press INPUT until the TV input mode is selected.
  3. Open the on-screen menu and select TV or Tuner option. (This varies by model.)
  4. Highlight Tuner Mode and select the correct option:
    • Antenna-over-the air signals from an antenna
    • Cable-direct from the wall cable TV, or a cable or satellite box connected to the TV with coaxial cable
  5. Select Auto Search or Auto Channel Scan. (This varies by model.)
  6. When the search reaches 100% complete, exit to the menu.
  7. Check the available channels:
    • Antenna or direct-from-wall cable-Press the Channel Up and Channel Down buttons on your VIZIO TV remote to view the available channels.
    • Cable or satellite box- Will return only one channel. Use the cable or satellite remote's Channel Up and Channel Down buttons.
If this does not resolve the issue, power cycle the TV and then re-run the channel scan:
  1. Turn off the TV.
  2. Unplug the TV from the electrical outlet.
  3. While the TV is unplugged from the wall, press and hold the Power button on the TV for 30 seconds.
  4. Release the power button.
  5. Plug the TV back into the electrical outlet.
  6. Turn on the TV.
Note: There is also an option to reset the TV to the factory default settings. This option is in either the SETUP or SYSTEM section of the on-screen menu. The option may be "Reset all settings", "System Reset," or "Reset & Admin." Consult your TV's user manual for the location and steps for resetting your model.
  1. Remove the coaxial cable from the DTV/TV connector on the back of your television and perform a channel scan to clear the existing channels. See the procedure above. This should not find any channels.
  2. Re-attach the coaxial cable to the DTV/TV connector and perform a new channel scan.
This video shows troubleshooting steps to use when a "No signal" message appears.

Jun 25, 2014 | RCA 46 46LA45RQ LCD TV

2 Answers

I purchased the PT902/37B and charged it of course. Turned it on for the first time and the instructions say I have a no/weak signal, I reconnected the antenna and still nothing. Can you help? Thank you,...


U follow the tv owner manual instuctions for scanning for the DTV free over the air broadcasting by the tv stations signal yet.Do that first,still have a message weak or no signals.Buy a newly design Digital antenna or have a roof antenna already hook it up to the tv,follow the owner manual rescan it again will have all DTV free over the air broadcasting tv channels.

Jun 13, 2011 | Philips Televison & Video

2 Answers

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 .

Jan 22, 2011 | Vizio M220VA 22 in. LCD HDTV

1 Answer

Hooked up the tv to my existing cable and it will only receive 15 channels. All my other tv's receive many more like 100 +. I did the auto detect when I hooked up the tv and 15 is all it detected.


Hello,

This is a fairly common issue, either the TV has the upper channels blocked or the signal in that room is just not as strong so a quick scan is passing them over. I will give you the steps to remedy both issues. If the channels show up weak or snowy or not at all after trying these steps you may need to install a booster where you current line splitter is but try these steps first as the TV can easily compensate for a slightly low signal.

Enter the TV Menu, Select TV, Select Channels, Select Master List. Look for channels with X beside them, if they have X they are blocked, simply move down the menu selecting each one to remove the X.

Now that you have verified or corrected your master list select Turn on Additional Scan from the scan menu and run a new scan. The additional scan will take a lot longer but will take more time on each channel and should find them even if the signal is a little low.

Hope this helps FixYa,


Chris

Jan 04, 2011 | Vizio M220VA 22 in. LCD HDTV

1 Answer

Have to turn off the pvr then on again every time the tv is turned on due to ''no signal'' being displayed though aerial works fine. The pvr does a scan each time and gives the option of a full channel...


I think the problem lies with what input you have selected on your tv. On your (tv) remote control there should be either a circle or square with an arrow on through it. With your pvr already switched on, turn your tv off then on again. When it says no signal, press the button on your tv remote I've described until you see a picture.

Jan 20, 2010 | Televison & Video

1 Answer

Turn tv on and get no program or weak signal message.


You should be watching tv in no time. Email me and let me know how it went I would like to know if I was able to help. surfpro@yopmail.com

1-You didn't say what model tv you have. Is it a HDTV?
2-Are you using an over the air (roof) or set top antenna connected to the tv?
3-Are you getting the no program or weak signal message on all channels?
4-Have you tried first cycling through the source or input button to make sure you are on TV and not on an input. Sometimes if you are on an input and for example the device connected to that input is off you wil get a no signal until you turn the device first but you probably already know that.
5-When you were in the process of scanning for channels assuming you had an over the air antenna connected did you make sure and select the ota option and not cable? if you have an ota antenna and not cable you need to select ota before scanning for channels.

Now assuming you have an ota antenna and you chose ota before scanning or doing a re scan and after the scan you still get the no program or weak signal message that means there is no signal and you may be using the wrong antenna or try moving the antenna in the direction of the television tower if you know where that is or turn in another direction but unless you are using the wrong antena you should get something.

Assuming you received some channels or even if you did not, try to and add channels by hand. Heres how: first you need to know the RF frequency channel or digital channel its transmitting on you just cant input the number of the display channel you want like on a tube at least not initially but you can after you first input the rf or digital channel number first and saving it on your tv then you can just input the display channel number you are used to. Heres how to manually force the tv to enter a channel without a scan or re scan and possibly loosing other channels with a rescan.

Go here http://www.rabbitears.info/search.php and go to state search choose your state from drop down list and click search now do you see the list of stations? on the left you have the display channel (thats the number you usually entered on a regular tv) and next to that is the digital channel (thats the number you need to enter on an hdtv or dtv initially to force the tv to accept the channel because if you just enter the number your used to initially the tv wont find it) the tv should now automatically redirect you to the channel you are normally used to and any digital equivalent and any sub channels for that channel. Now save it into memory in your tv menu channel list. do this for every channel for your area if you were unable to pick up any stations during a scan.

Jan 06, 2009 | JVC AV27F476 27" TV

2 Answers

Zenith DVT412


If you are using analog video output to connect to your tv set and accidentally selected progressive scan from the setup menu you will loose the analog signal output.
Turn the unit on with no dvd inside and after the " no disc" message press stop (on the front pannel button) holding it for about 5 seconds. It will restore the original progressive scan configuration (value= no).

Jul 06, 2008 | Televison & Video

1 Answer

TURN OFF PROGRESSIVE SCAN PD 800


Try with this,with the disc tray empty turn on the dvd then push for 5 seconds the button stop.If this don't work connect to the tv on the video signal the y connector you got signal on black in white but you can see the menu to deactivate this function.Good luck.

May 28, 2008 | Protron PD-800 DVD Player

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