Question about Vivitek Televison & Video

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Last night tv would not shut off so I unpluged from back. To day I pluged it in but now it has no power and the blue light will not come on. There is power at the set. I tryed the button on the side of the screen and the remote control,. The model I have is a LT32pl1-A. It has very little use and only for movies. maybe 1 time a month.

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  • whpttrson Oct 17, 2010

    Where would you suggest I take this to get it fixed I am Denver, Colorado. About how much would I expect it to cost???

  • whpttrson Oct 17, 2010

    What would you expect this kind of repair to cost and who would you suggest that I take it to In Denver, Colorado

    Is this a usual type of failure and the set is just over three years old and the warrenty has ran out

    Is it worth the effort to fix it, the thing is hardley used.

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  • Vivitek Master
  • 17,130 Answers

First of all you must switch ON the TV much more frequently specially if there is dust or moisture accumulation in your place. This will keep the electronics of the set in good shape.
If the set does not power up , the fault can be failure off the SMPS units if there is no trace of voltage or any indication in the panel. If so I would like you to take some tips from the following site for servicing the SMPS Unit.
log on to :

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

However if the +5 does come into the main panel then you must check the microprocessor for faulty condition. The crystal and the oscillations in the terminals must be checked to prove the processor is working. Use a good multimeter to check the voltages, however in most cases a signal test with an oscilloscope might be necessary. Hence attempt according to your availability of tools and expertise.

Finally check on main panel for visible failures, shorted capacitors, shorted drivers or open fusible links or resistors.

The advice/tip given is with the belief that you are competent. You must attempt to do it yourself only if you are technically/logically able, especially when dealing with delicate devices, damaging while trying to open, Probing electrical/electronic circuits with high voltage or delicate components. Since the advice given by me is with the inputs provided and not based on a visual inspection, there can be further reviews required in some cases.

Posted on Oct 17, 2010

  • Donald DCruz
    Donald DCruz Oct 17, 2010

    If you can get a technician to have a look into the set with a first hand information of the estimation, it will be worth as the estimation provided can help you to decide.
    Sometimes it can be very basic and the set might serve you much longer.
    If there is no power remove plug and check if the fuse has gone inside.. just to start with.
    .

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