Question about Akai LCT2721AD 27 in. LCD Television

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When i press power button only red light flashin and i hear

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  • Master
  • 10,515 Answers

Hi,

This seems to be a duplicate Question. Kindly check the reply from all experts - They mentioned Power Supply.

What's the best i could do, i could provide you with the contact information for Akai. I am sorry, but we cannot change mindset. As you have made sure, you would find a magic button which is not there, the best option would be the company directly. The contact information for Akai :-

323-281-0782.

You can also write an email to :-

techsupport@akaiusa.com

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Oct 08, 2009

  • taran_2005
    taran_2005 Oct 08, 2009

    Hi,

    I have worked on a ton of them and the power supply is a simple
    switch mode supply that uses a few fets to take the Line voltage of 120
    volts @ 60hz AC to a few different DC voltage supplies like 24vdc, 12v,
    5v, 3.3v and 15v all DC which is what most electronics run on...
    This
    set is made by ESI International and the can be fun to get parts from
    so your best bet might be to repair the supply instead of replace.

    First
    remove the back cover, which means laying the set on its face on the
    floor and removing the stand as on this unit the stand block the cover
    from being removed. To lay it safely you will need a large area and
    make sure it is very clean and VERY LEVEL as because this is a LCD even
    the slightest pressure on the screen itself can cause the LCD to crack
    so make sure the pressure is only on the front cover around the LCD
    itself.

    You will see a board that the power plug connects
    to this is called the small power supply. This is your most likely
    failure look at the board and you should see some cylinders with a
    silver top they should all be flat if they some are not the board is
    most likely repairable. The parts will cost you about 20 bucks (when
    you include shipping and the "not a servicecenter" extra fee most
    places rob you with) If you do not see any of these swollen caps (the
    silver tops) then the power supply most be replaced they can be
    expensive ranging between $100-$250 for the part. First i would open
    and see if you can save a buck and repair it by replacing the damaged
    caps. If you dont feel comfortable with replacing the caps this could
    easily be repaired by a local repair shop for under $200.00 (if they
    are reputable).

    If you wish to order the power supply contact vance baldwin electronics (http://www.encompass.com/) or call them at 800 432 8542

    You can also contact http://www.fox-inter.com/ they are the authorized dealer for Akai Parts.

    If you wish to attempt this repair yourself:
    read
    the numbers down the side of the capacitors they should have a white
    stripe (neg side always install them the same direction) and then they
    should be marked like this 1000mfd 50v or the "1000mfd" is the micro
    farad rating this is a contant do not install anything but the same mfd
    rating but the "50v" is the maxium voltage rating and this you can
    increase to anything that will fit 65v 100v 200v or larger but never
    smaller. The bigger the voltage the bigger the size of the cap.
    You can order the parts from http://www.digikey.com/ expect to pay around $20.00 for the parts but you will need a good pencil soldering iron, solder and desoldering braid.

    If
    you dont have the tools and materials the cost of the equipment will be
    more then the cost of having it professionally repaired and when you do
    it if you make a mistake your ordering a $300 power supply, and it
    doesnt carry a warranty.

    If you have the tools it is simple enough if you dont you can order them from www.mcminone.com
    it has to be adjustable and at least 40w
    21-3475 - WLC100 Solder Station is the cheapest one i could find that would suit your needs
    20-2788 - Solder-Wick Rosin - .110'' x 25'
    copper wick, this is the only stuff i use there is some really cheap
    stuff out there and it is horrible to work with in supplies.
    21-1840 - 44 Rosin Core Solder - 60/40 - 1 lb. x .031'' - 21 Gauge this is the solder you will need.


    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!



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