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Mitsubishi Diva CT-33AC2SL dead and clicking

Discussion in 'Electronic Repair' started by [email protected], Jan 10, 2007.

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  1. Guest

    Truly ancient but good tech. I have a 1994 Mitsubishi Diva on swivel
    base, trouble free until now. Sentmentally attached to it, the
    problem has exhibited and slowly become worse over the last few months
    until now it is "dead and clicking".

    The picture over the last few months has occasionally just turned off,
    but a little tap with a closed fist in the sweet spot on the side has
    turned it back on. The problem has become worse, until the wife
    called me at work yesterday and said it is dead and a loud clicking
    noise is coming from the chassis (left hand side, where I had been
    tapping it) and the standby light was clicking on and off, trying to
    turn on.

    Alas, cannot get it to work now. CLicking noise, and standby red
    light clicking on and off, on and off.

    Could it be the electrolytic capacitors? Anyone got any suggestions
    on what it could be? It is fairly old, but we love the picture and may
    get it fixed instead of leaping into the new tech (plasma or lcd).

    Thanks


    Lino
     
  2. Meat Plow

    Meat Plow Guest

    Check for solder joints you may have beaten loose.
     
  3. James Sweet

    James Sweet Guest


    Sounds like it had a cold solder joint which would have been a quick
    easy fix, but you continued to use it until the bad connection blew out
    the HOT or other power semiconductor and now it will be considerably
    more work to repair. A tech can still fix it for you without too much
    work, but it would have been probably 1/4 the cost if you'd taken it in
    when it first started to act up.
     
  4. yesplease

    yesplease Guest

    Could be the flyback shorting
     
  5. Guest

    Right. So why the intermittent clicking and flashing of the indicator?

    lino
     
  6. Guest


    Well life's a learning experience all the way. What do you mean "bad
    connection"? Solder loosened, clip joint or friction connector loose?
    It is on the board in that area do you think, or a module like the
    power supply? I wonder if anyone has the manual for the unit or how
    to get it?

    Lino
     
  7. Meat Plow

    Meat Plow Guest

    Try

    http://www.eserviceinfo.com/
    https://www.manualsparadise.com/AboutOurStore.do
     
  8. Guest

  9. Guest

    Thank you.

    Lino
     
  10. yesplease

    yesplease Guest

    Np. If it is the flyback, you should be able to take off the back an
    hear it clicking, as well as see it arcing if it can build up enoug
    charge before shorting. Could be something else too...
    I've read that if a flyback goes, it can take out the HOT too... S
    fixing it may be a very YMMV deal
     
  11. thang

    thang Guest

    Went and bought a Panasonic 106cm Viera, waiting on delivery right
    now. Will give the Mitsi to my daughter if she wants to fix it. Can
    I ask, what is "YMMV"?

    thang
     
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