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Problem with Samsung TV

Discussion in 'Electronic Repair' started by mCassidy, Jan 6, 2007.

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  1. mCassidy

    mCassidy Guest

    I have a Samsung TV that is having problems.
    It is a HDTV CRT model TXN3071WHFXXAA.
    We have had it for just over 3 years with no problems. Last night my
    wife was watching a show and she said that she suddenly saw a bright
    white light in the center of the screen like a hole and then everything
    around that came in like a vacuum and went black. After that the TV
    would not turn on.

    This morning it did come on and seemed to work well for ~5 minutes and
    then did the same thing.

    I would assume that the tube has gone bad but I really have no idea...
    and I'd like to have a little better idea if that is the problem and
    what repair might cost (SW Ohio) before calling someone.

    Any help would be greatly appreciated.

  2. Meat Plow

    Meat Plow Guest

    The tube isn't bad. Just how much experience do you have repairing tv sets?
  3. mCassidy

    mCassidy Guest

    TV sets = little to none.

    Not too bad with electronics to an extent. Building computers and home
    wiring, etc...

    II am heartened to hear that it is possibly not the tube..
  4. Meat Plow

    Meat Plow Guest

    I'll assume it's a power supply problem. Several ways the unexperienced
    tinker can suffer injury or even death. Your candid reply stating you have
    little to no experience in repairing tv sets can edict the only response I
    have and that is to get the set to a qualified tech. Sorry if that isn't
    the answer you sought.
  5. mCassidy

    mCassidy Guest

    I appreciate the response.
    Is the power supply an expensive fix?
    I am ok with calling in a tech.. I like self-repair but I like life
    even more.
  6. Meat Plow

    Meat Plow Guest

    There are step by step methods us techs use to diagnose. Some have been
    garnered over years of experience. I use the flow chart method of "if this
    is ok then check this, if that's ok then check this, if not, go here"
    I understand and support your want for self repair but ventures like this
    rarely turn out favorable. And I don't support a novice poking around
    inside a set that has the real life potential to harm or kill you. If you
    like self repair, take some schooling on it. Don't try to learn with
    hazards that all sets have.
  7. mCassidy

    mCassidy Guest

    No, I'm cool with that. I read up a bit on monitors and death when I
    was building my arcade machine.. not something I want to chance.

    I am just wondering a range that fixing the power supply might cost.
  8. b

    b Guest

    mCassidy ha escrito:
    we don't know *for sure* that it is the power supply. The fact that it
    works for a time suggests to me bad soldering, possibly in the line
    stage or power supply, or a component whose value drifts with warmup.
    In any case it will need to be taken in to a service centre for
    investigation and diagnosis. May be worth paying for that, so you know
    the tech opens up the set and hence gives you a realistic idea of the
    problem . (those with free estimates rarely do this!) This charge is
    then usually discounted off the cost of repair should you go ahead.
    As for cost, that will depend on the extent of the problem. That is not
    possible to accurately say with internet guesswork, as nobody here has
    actually *seen* the tv. If the set gave a good picture and is within
    the last 8-10 or so years, I'd say spend about a third, or a little
    more, of the cost of a new similar quality set.
    good luck
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