Question about RCA TruFlat 27F520T 27" TV

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TV scans for channels and wont stop.

TV turns on by itself and then starts scanning for channels and I cannot get it to stop. Is this something that is easily fixed?

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Re: TV scans for channels and wont stop.

I've seen a similar problem like this caused by a stuck button either on the set or the remote control. IF one button has no effect then that's the one that's bad. This might also be your problem. If not then something has failed in the system control circuit. Stargazer

Posted on Aug 29, 2007

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Magnavox TV turns itself on and changes channels

channel + or - switch is stucked in,,or broken plastic stucked in ,watch thorougly

Dec 14, 2015 | Standard (CRT) Televisions

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Set stations

A channel scan is a vital part of utilizing your cable TV service. When a coaxial cable is connected to a TV, sometimes it will not display any channels until you configure the TV for your specific cable connection and scan for available channels. A channel scan can be applied to basically any type of TV or TV/VCR combo, even if you are missing its remote control.

Read more :
    • 1 Bring up the TV's menu. Look for a button on the front panel of your TV/VCR labeled "menu" or "setup." Press it and you should see a menu appear on the screen. Part of the menu should inform you what buttons you can use to navigate through the menu. If not, try using the volume buttons or channel buttons on the front of the TV and see if pressing those allows you to navigate through the menu.
    • 2 Specify channel scan settings. Once you are able to navigate through the TV's menu, look for the "channel scan" "auto-program," or "auto-tune" option. This may be inside one of the TV's sub-menus such as "setup," "channel setup," or the like. The key of this step is to specify your cable settings before running your channel scan. The "tuner mode" option needs to be set to "cable" rather than "air" or "antenna." You may have to specify what cable type to use, this will be set to "std" or "standard" for the vast majority of cable providers. If you are not certain what cable type you use at home, contact the technical support department of your cable provider.
    • 3 Run a channel scan. Once the scan settings have been set properly, run the scan (usually done by pressing a "start," "scan" or "begin" button.) When the scan is complete, check to see if you are getting all of your channels. Contact your cable provider if you are not sure how many channels you are supposed to be getting.

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good luck

Jan 08, 2015 | Standard (CRT) Televisions

1 Answer

When I turn on older model emerson tv it starts scanning channels.won't stop

Main system control memory IC fault. Replace it with a new one and reprogram it. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts there.

Mar 25, 2014 | Emerson Standard (CRT) Televisions

1 Answer

Tv wont stop scanning between tv, video1, video2,video3

Possible there is a sync issue as the return pulses do not come back to lock the scanned channels. This can be an issue which can vary from a simple loose connection to a fault iin the signal processor. This would need the help of a serious probe with a signal tracking using a scope and assisted equipments. Take consensus as this can be tricky before you tamper the board.

Oct 30, 2011 | Toshiba 36A43 36" TV

1 Answer

We can't get any of the channels don't know where to start from menu area


You just do autotune to receive all channels. In this mode TV will tune through the entire channel band automatically, and finally will stop tuneing, and will show the first channel receved. You must be patient for these time. about two or three minutes, without disturbing is process. The tuning process follows.

Auto Tuner Setup

In Auto Tuner Setup, the TV automatically scans

t h rough all available channels, memorizing the active

ones and skipping over blank ones or channels with

weak signals. This means when you scan (using the

CH A N N E L +/- b u t t o n s ) you will receive only clear,
active channels
P ress the ME N U b u t t o n
Press Right or Left button to operate
Press Vol+ or Vol (--) to choose CABLE or AIR
Press UP or DOWN button to move to START
Press Right or Left Button to start Auto Tuner Setup

Tv will show "NOW PROGAMMING" display.
Programming will take approximately 1 to 2 minutes.
After all it will show

Some cable systems experience interference from radio frequencies on cable Channel 95. You may delete this channel from
your scan by removing the "X" next to it on the Channel Summary screen.

Nov 29, 2010 | JVC AV-27120 27" TV

1 Answer

Tv turns on and channel continually scans

Sounds like you have a collapsed channel up or down button, Does each button have a good "rebound"?
if any of the buttons are stuck in, just release them

Mar 13, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Can't get tv to change past 9 with remote

You probley need to go into the menue and manually enter or add the channels to the scan program of the tv. The numbers are some times pin when they arenot in scan and turn green or yellow when they are in the scan pattern.

Mar 01, 2009 | Panasonic Standard (CRT) Televisions

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.

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 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

I would like to change the start up channel setting.

if you are using satellite or something that use channel 3 and there are no other channels(cable) do a channel scan from the menu of your tv.if you have an antenna or cable hooked up temporarily unhook it so when you do the scan all it finds is what you have on channel scan may also be called autoprogram depending on your tv

Nov 14, 2008 | Zenith Standard (CRT) Televisions

1 Answer


You have to do a autoprogram or channel search in the menu of the TV.The name of this function is different on some tvs general though in the main menu look for something like setup,channel search scan for channels .if you get it right your TV will begin to automatically start flipping channels and it will find all available channnels

Nov 15, 2007 | Standard (CRT) Televisions

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