Question about Toshiba 56HMX195 52" HDTV DLP Projection TV

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Cable Tv Interference

I recently switched to basic cable ( had all the perks prior) and all the TV's had a clear picture. Now that I have gone to basic cable all of the tv's in the home have a crisp, clear picture except for the master bedroom. I have a semi-clear picture w/light snow. I have tried replacing the ends w/no luck. I even tried to add a splitter to one of the other tv's thinking it was the cable line and still no luck, the tv I spit the signal with was still clear but my tv was the same. I know its not the tv as it was fine before and only approx. of month time span since the ''upgraded cable'' was removed. Also from channels 62-75 it is very distorted. Funny thing this morning, when I turned on the tv (the only one at this time) it was clear for all channels and no interference, bu that lasted only about 5 minutes and it went back to the interference.

Can someone help, there are so many things that can be wrong I dont know where to start. I know that due to finances, i would prefer to try to fix myself before calling in a tech....Thanks for any help!

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  • lannh0865 Jun 02, 2009

    This may sound stupid but I assume that a splitter and a coaxial cabel are 2 different things? Someone suggested to get a signal amplifier, is that a good move or just try the coaxial instead or first?

  • lannh0865 Jun 02, 2009

    Oh, I know what your are talking about currently there are so many connections from the main source ( in the garage on the ceiling) that I cant tell which is the line for that tv/room. Last question, someone said that the signal amplifiers from Radio Shack were (1) not that good and (2) if you put an amp on a weak signal it will only worsen the signal. Is that true? It seems at this point I may need to get someone over who may be able to tell where the line is coming from directly and go from there? Thanks a Bunch!

  • lannh0865 Jun 02, 2009

    What is the difference between a weak signal and a poor one. Also if all the TV's were fine before with the digital boxes that came with the service but now you just have basic cable (no boxes) what are the chances that its the signal? Meaning if the signal strenght was fine before and only say 30 days have passed since the switch to basic. Keeping in mind there was no cable service for that 30days and then went to basic.

  • lannh0865 Jun 02, 2009

    Thanks a bunch! I looks I need to find the line/cable and go from there. YOu've shed some light on a few things!



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Sounds like the cable signal getting to that TV is just not strong enough.  This could be due to the number of connection and splitters leading to it.  Set it up with a coaxial cable that connects as close to the incoming cable as possible and not split it along the way.

Posted on Jun 02, 2009

  • 1 more comment 
  • John Morganti Jun 02, 2009

    Coaxial cable is the black cable that connects to the TV.  A signal amplifier may be necessary if the signal is not strong enough.  Trying a connection that runs directly through coax cable form the cable source to the TV with no splitters or connections along the way may provide a strong enough signal.  If not then you can add an amplifier.

  • John Morganti Jun 02, 2009

    Turn on the TV and disconnect the cables in the garage one at a time.  When the TV signal goes blank you will know which is the cable that feeds it.  If there are no other TVs or devices fed by that cable then you probably need an amplifier.  I do not have info about Radio Shack amplifiers.  An amplifier will boost a weak signal.  It will not improve a poor signal.

  • John Morganti Jun 02, 2009

    A poor signal can have snow, etc. and an amplifier will only make it worse.  Cable through a cable box might be digital and it might use enhanced compression techniques that keep the signal from being degraded.



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