Question about AOC L22W861 22 in. LCD HDTV

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Can't get the tv input to come up. all i get is no signal and no option to pick tv to get scan option.

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  • AOC Master
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Unplug tv and cables or satalites boxes,replug both back like an hour later.Now the tv it resetting itself back to factory setting.The cables or satalites boxes is resetting and it upgrading it softwares.The tv should work now.

Posted on Nov 08, 2010

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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

1 Answer

Why is the tv not finding channels when channels are scanned?


make sure your tv is set to pick up the signal it could be cable digital or analog channells.there should be an option for this in the menu.

Jun 04, 2012 | Scott LCT37SHA TV

1 Answer

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


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!

Mar 25, 2011 | Dynex 32 in. LCD Flat-Panel HDTV

1 Answer

I CANNOT GET THE AUTO SEARCK FUNCTION TO PICK UP SIGINALS.


Is the antenna/cable connected to the proper connector on the back of set ?
Have you set the menu signal input to match the input on the back ?
Then SCAN from the menu and save to watch tv.

Feb 15, 2011 | 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

I got the 55" just


Go to your menu settings, look for an "autoprogram" option. Select that option and let it run completely through. This will add all available channels and deletes all channels that don't have a signal.

Jan 06, 2011 | Sony KDL55EX710 55 in. 3D HDTV-Ready LCD...

1 Answer

I have a HD TV with cable and a go video DVD/VHS player hooked up. I went to change the time and accidentally changed the setting on the DVD player from auto scan (I think) from off to on and now when I...


It sounds like you may have enabled the progressive scan output on your DVD-VHS combo. This is a correct setting if your TV support it. However most DVD players that support progressive scan will not support an interlaced signal and a progressive signal at the same time.

It would appear that you are using a composite type cable (3 RCA ends. 1 for video and 2 for audio) for this hook up. This means you have two choices.

#1 Look in the manual for the unit for the FACTORY Reset option. Its usually a combination of plugging the unit in while holding the power button or something similar to that. Without a model # I can't help any further with this option.

#2 Use a component video cable (3 RCA red/green/blue) to plug your DVD/VHS player into a compatible input on your HD TV. Your TV will pick up the progressive scan output from the unit and give you back your on screen display. At this point you can go back into the menu and disable progressive scan. And now just reverse the process to plug the DVD player back in using the composite cable.

It should be noted that if you have a progressive scan TV which HD TV's support you will get a better picture if you use the Component video cables instead of switching back to the composite cable. If you decide to use the component cables you will still need to run audio cables though.

Best of luck.

Trevor

Aug 11, 2009 | GoVideo Go Video DVD/VCR Combo

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

1 Answer

Scanning dtv channels


go to menu setup and do the full system reset setup option... Then before you scan for channels make sure it is set to cable... This fixed the problem for me.

Dec 06, 2008 | Vizio L32 32 in. LCD HDTV

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