Question about Akai LCT3201TD 32 in. LCD Television

1 Answer

Akai lct3201AD what capacitors go bad and where are they? im getting mixed readings when i check

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  • admin hank Oct 12, 2008

    megmeet MLT169A REV: 1.4 the only thing that i can see leaking i think J25 and 1 other 1 that is covered in rubber next to EC10 I think.

    Its doing the same thing as everyone elses wont turn on, green light then red.

    thanks for your time.
    once i find it Ill post up pics.


  • admin hank Oct 12, 2008

    great thanks for the reply. If i cant get it if your willing to offer your service please let me know.
    4running@pitate4x4.com

    thanks!


  • admin hank Oct 13, 2008

    after doing a little testing i dont think its the caps. I still am getting good clean 12v on the 12v and 5v on the 5v. However I do see something funny, is there a power feed back of some sort? where i think i should be getting a reading I am not. is this normal?

  • admin hank Oct 14, 2008

    Oh man I was thinking the Microprocessor might be bad. Also the voltages that you had listed seemed to be off on the caps. I did replace EC19 with a 50V. All the others seem to be fine so that makes me think that the microprocessor might be bad.
    Thanks for your time and help.


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  • 2,267 Answers

It depends what model of power supply you have. They are easy to spot when they are defective, you should see them bulging on top or bottom.
What is the part number or model of power supply you have?
Let me know if you need further assistance.

Posted on Oct 12, 2008

  • Jaime Hernandez Oct 12, 2008

    On this model, if I'm not mistaken you will need to replace EC18, EC19 and EC20(1000uF/16V). 25 volts rating should be better as long as they fit in the space. There are 2 more capacitors that might need to be replaced as well, EC12 and EC15(220uF/25V) located under HS4. 35 volts should fit in there instead of 25 volts.

    Hope this helps.

  • Jaime Hernandez Oct 14, 2008

    The voltages need to be measure with a load, that way you might see the 5 volts decreasing or the 24 volts being low. If the microprocessor does not sense a good voltage, it will go in shutdown mode and the LCD won't be powering up.

    My emai is jah2mil@hotmail.com if you require further assistance.

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Where can I find directions on how to replace the capacitors in the Akai LCT3201AD. I can order the parts, just need to know how to do it. Thanks!


hi, to replace the capacitors need to take the board out, by removing the screws and disconnecting the wires braids. You need bread, tin and absorbs tin. You should take the tin from the legs of the capacitors, until it can release the capacitors outside the board. Next, you put the new capacitors in place. Should pay attention to put the capacitors, by proper polarity of plus or minus. It is important to be precise with the value of capacity and try to put a capacitor with a value of slightly higher voltage, temperature resistant to 105 degrees.

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It sounds like one of two issues. Either a bad capacitor (a very common problem on this model, apparently) or a heat issue. Since it takes so little time to do, I'm inclined to throw out the heat issue. Open up the back and see if you see any capacitors leaking, or crooked. I can't find images for capacitors in your machine, but I did find a site about bad capacitors on PC system boards - the capacitors are basically the same thing, so it might help you identify that. http://www.badcaps.net/pages.php?vid=5 If you do see bad capacitors, either solder on new ones, or just replace the entire board. It should be simple to replace. I can't find parts for this online, but you should be able to get them either from Sharp or from a local repair shop.

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MY AKAI LCT3201AD TURNS OFF BY ITSELF


If you are electronically inclined, replace the three 1000uf 16v electrolytic capacitors in the power supply board located above the power switch. They are likely bulging out at the top and failed. They are the three in a row at the top - center of the board, located between the two black heat sinks. Make sure you get caps rated for 105c degrees! I recommend replacing them with 1000uf 25v caps. 35v caps will work but might be a tight fit as they are larger diameter.

Should cost you about $8 for the parts shipped. You can get them from partsexpress or digikey or any good local electronics store. Your local radio shack may have them but they won'y be 105c and thus may not last long.

Not handy, ask around, there is usually some electronic tweaker guy around that will install them for a few bucks.

This has solved the turns on / then off problem every time in the 3 I've done.


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Check here to get required main PCB of Akai tv. Hope this will helpful info for you.

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AKAI LCT3201AD Tv will not stay on when you turn it on the light changes to green and then in about 10 seconds turns red again. TV is 1 1/2 years old. For awhile we were able to unplug it and plug it back...


I have just repaired one of these sets for the 2nd time. The problem is definitely the Capacitors on the Main Power Supply Board. If you are handy, you could replace them yourself, or You can send your board to me and I will make the repair for you. Akai initially used what I feel are sub-standard Capacitors on these boards, and I have found that by replacing most of them, this problem can be eliminated. My email address for repairs is Lakers4life42@yahoo.com

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