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Signal interruptions on digital TV set

I have a Samsung 22" LCD TV, several months old, which is set up to receive broadcast channels. It is not connected to cable or any other devices, except a Radio Shack HDTV antenna. Occasionally (sometimes frequently), the screen goes blank for a few seconds and a message appears" "Weak or no signal". I have tried making the recommended adjustments in the antenna and also rescanning the channels, but neither of those made a difference. I am not in a remote area. I am 12 miles from the center of Philadelphia.

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  • Televison & ... Master
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Weak signal is a weak signal, so not sure what if anything you can do. Buy a satellite subscription???

Posted on May 18, 2017

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Posted on Jan 02, 2017

tvtek
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SOURCE: Weak Signal ..

Sounds like you have a bad tuner. The most likely cause on these RCA's is a loose RF antenna input connector. A bypass for now is if you have a VCR use it as the tuner and then connect it to the TV using the composite video inputs. If that faisl as well then you have a bad signal board.

Posted on Feb 12, 2007

  • 195 Answers

SOURCE: samsung hlr4667 dlp \ no hdmi connectivity

No, when I bought my new plazma tv, and unhooked my old DVR box, I had to go to my cable provider and inform them. they sent a signal and WHAM I was back in Biz.

Posted on Nov 10, 2008

  • 2 Answers

SOURCE: weak or no signal message

  1. Since my problem (Samsung/Comcast) began with a channel selection button pushed on the TV remote when it should have been pushed on the cable remote, I figured the problem lay with the TV.  Although I was getting the "weak or no signal" msg., the actual signal strength bar graphic showed it to be strong. Disconnecting did no good. I surmised that the TV was simply not recognizing the box.
  2. I looked at the manual for my Samsung 750 model. 
  3. Page 20 discussed "Selecting the source". I accessed the TV menu and selected "Input", then chose the "HD..." item from the highlighted list. Voila! My tv works again. 

Posted on Nov 18, 2008

  • 38 Answers

SOURCE: Media Center can't find digital TV channels for TV Wonder HD 600

Just to make sure, you do have analog tuners setup right?  Media Center 2005 requires analog tuners be working before digital tuners are allowed.

Posted on Jan 31, 2009

  • 718 Answers

SOURCE: displays weak or no signal

To get any HDTV to work this is what you have to do;
CHANNEL section
1) Connect your antenna cable which you have done.
2) Go into the menu to the source option and select AIR/ANTENNA since you are using an antenna.
3) In the menu you will have to SCAN in the stations. This auto program will find all available stations.
Now you can watch tv by selecting the station you want.
The new generation of HDTV is different from the old analog sets. These have to be set up to work.
Exact information can be found in your Users Manual.

Posted on Feb 23, 2009

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