Sony 35" TV "tuner" bad? - coax not working, but RCA jacks are working

Discussion in 'Electronic Repair' started by Glenster, Sep 28, 2005.

  1. Glenster

    Glenster Guest

    My Sony 35" Trinitron TV (KV-35s40) was ON when lightning struck close by.
    I immediately lost picture and just had snow on the screen. I confirmed
    cable/satellite was ok by plugging the cable into a small tv for testing
    purposes.

    I can watch Satellite if I use the Svideo cable and the RCA plugs for audio.
    I cannot get any picture to come in when I try to use the coax cable into
    the tuner on the back of the TV.

    Is it safe to say the tuner is bad and I can just replace it? It seems like
    an easy enough job to remove it and solder a new one. Is there any other
    type of "test" I can do to confirm the problem is just with the tuner? Or
    did I already do enough by bypassing it and using the RCA plugs?

    Any recommendations on a vendor for this type of part? I know I can just
    Google the part number. I did find it easily.
     
    Glenster, Sep 28, 2005
    #1
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  2. Glenster

    James Sweet Guest

    "Glenster" <> wrote in message
    news:zhn_e.5203$...
    > My Sony 35" Trinitron TV (KV-35s40) was ON when lightning struck close by.
    > I immediately lost picture and just had snow on the screen. I confirmed
    > cable/satellite was ok by plugging the cable into a small tv for testing
    > purposes.
    >
    > I can watch Satellite if I use the Svideo cable and the RCA plugs for

    audio.
    > I cannot get any picture to come in when I try to use the coax cable into
    > the tuner on the back of the TV.
    >
    > Is it safe to say the tuner is bad and I can just replace it? It seems

    like
    > an easy enough job to remove it and solder a new one. Is there any other
    > type of "test" I can do to confirm the problem is just with the tuner? Or
    > did I already do enough by bypassing it and using the RCA plugs?
    >
    > Any recommendations on a vendor for this type of part? I know I can just
    > Google the part number. I did find it easily.
    >
    >
    >


    Replacing the tuner would probably fix it, might be worth checking inside
    the tuner to see if it's something simple, occasionally lightning does weird
    things like blow out a thin trace and not touch other parts.
     
    James Sweet, Sep 28, 2005
    #2
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