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Antenna/Cabling Q

Discussion in 'Beginner Electronics' started by Coyoteboy, Jan 23, 2007.

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  1. Coyoteboy

    Coyoteboy Guest

    I cant find a better group to pose this on, and TV repair type Qs normally
    drive me mad too, so I'm sorry if its out of scope but bear with me - im
    going nuts.

    Problem: Good reception on non-digi channels but missing large numbers of
    digi channels. Removing one of the branches of the antenna cabling sorts
    out the one remaining connected TV (which suggests cabling problems on the
    disconnected section). But strangely with the other branch disconnected the
    disconnected TV recieves (in not THAT bad quality) a full range of non-digi
    channels (struggles with all digital ones though). Theres no shorts or
    partial shorts on any of the branches and all are using co-ax (though some
    bits arent top notch cable, just budget cable).

    We're wondering if the signal thats obviously being somehow recieved on the
    disconnected branch is causing trouble when reconnected to the main feed.

    Any ideas?
  2. PeterD

    PeterD Guest

    Could be simply a low signal level. Considered a line amplifier?
  3. Coyoteboy

    Coyoteboy Guest

    Could be simply a low signal level. Considered a line amplifier?

    Unfortunately it has an amp (which has died at some point so has just been
    removed, which improved but didnt fix the problem)

    Having checked the house over we are running non RG6 cable (oldschool brown
    stuff, single shielded etc) and have had a fair few probs with impulse
    noise so maybe thats the cause...
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