HDTV tuner signal 5 bars, but no picture

Discussion in 'Windows Media Center' started by thegrandwazoo, May 6, 2007.

  1. I have 2 channels that have strong signal strength but no picture. There are
    others with lower signal strength that come in fine. I read something about
    the guide getting the digital channel info incorrect and then the tuner
    doesnt pick it up. The fix is to go into user access control to change
    this......How do I change this to the correct setting ?? Thanks
     
    thegrandwazoo, May 6, 2007
    #1
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  2. thegrandwazoo

    JW Guest

    It is possible with a digital tuner to have too strong of a signal. Some
    user's have had to use attenuators to lower the signal strength so that
    their digital tuner would not get overloaded. by strong close by stations.
    "thegrandwazoo" <> wrote in message
    news:...
    >I have 2 channels that have strong signal strength but no picture. There
    >are
    > others with lower signal strength that come in fine. I read something
    > about
    > the guide getting the digital channel info incorrect and then the tuner
    > doesnt pick it up. The fix is to go into user access control to change
    > this......How do I change this to the correct setting ?? Thanks
     
    JW, May 6, 2007
    #2
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  3. I have no issues on my Panasonic HDTV with reception, so I would think is has
    something to do with how the digital channels are mapped from the EPG info.

    "JW" wrote:

    > It is possible with a digital tuner to have too strong of a signal. Some
    > user's have had to use attenuators to lower the signal strength so that
    > their digital tuner would not get overloaded. by strong close by stations.
    > "thegrandwazoo" <> wrote in message
    > news:...
    > >I have 2 channels that have strong signal strength but no picture. There
    > >are
    > > others with lower signal strength that come in fine. I read something
    > > about
    > > the guide getting the digital channel info incorrect and then the tuner
    > > doesnt pick it up. The fix is to go into user access control to change
    > > this......How do I change this to the correct setting ?? Thanks

    >
    >
    >
     
    thegrandwazoo, May 6, 2007
    #3
  4. thegrandwazoo

    jolt Guest

    Expectations that two ATSC tuners will give you the same results is
    unrealistic because there are 6 different generation of tuners implemented
    by dozens of different companies, all with different tuning abilities. With
    a very strong signal there is a risk that the antenna will also pickup a
    second reflected or mulitipath signal. If your tuner is not well known for a
    better then average ability to handle multipath, experimenting with a
    attenuator to confirm or rule out multipath problems as the source of your
    problem is a good idea.

    By the way what model tuner are you having problems with?


    "thegrandwazoo" <> wrote in message
    news:...
    >I have no issues on my Panasonic HDTV with reception, so I would think is
    >has
    > something to do with how the digital channels are mapped from the EPG
    > info.
    >
    > "JW" wrote:
    >
    >> It is possible with a digital tuner to have too strong of a signal. Some
    >> user's have had to use attenuators to lower the signal strength so that
    >> their digital tuner would not get overloaded. by strong close by
    >> stations.
    >> "thegrandwazoo" <> wrote in
    >> message
    >> news:...
    >> >I have 2 channels that have strong signal strength but no picture. There
    >> >are
    >> > others with lower signal strength that come in fine. I read something
    >> > about
    >> > the guide getting the digital channel info incorrect and then the tuner
    >> > doesnt pick it up. The fix is to go into user access control to change
    >> > this......How do I change this to the correct setting ?? Thanks

    >>
    >>
    >>
     
    jolt, May 7, 2007
    #4
  5. thegrandwazoo

    dickm Guest

    Its not likely to be a channel mapping issue in the guide.

    If the atscchannels.xml file were to be wrong, you wouldn't see any bars in
    your signal strength unless the station is mapped onto another ATSC station's
    frequency. Its possible, but not likely. Search for that file, make sure you
    search for hidden files.

    Most probable is a PSIP issue from the station itself. Your Pansonic tv can
    handle the error but MCE cant.

    -dickm

    "thegrandwazoo" wrote:

    > I have 2 channels that have strong signal strength but no picture. There are
    > others with lower signal strength that come in fine. I read something about
    > the guide getting the digital channel info incorrect and then the tuner
    > doesnt pick it up. The fix is to go into user access control to change
    > this......How do I change this to the correct setting ?? Thanks
     
    dickm, May 7, 2007
    #5
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