Question about Akai LCT2715 27 in. LCD Television

1 Answer

Power Supply Board Problem?

I have had this unit for nearly two years, and haven't had any major problems with it. I almost never have used the built-in DVD player, instead using a separate DVD player that is connected to this unit.

It's probably a coincidence, but a few days ago, I clicked the eject button on the DVD player, and found a disc that had been inside for nearly a year. I popped in back in, and continued to used the TV, without using the DVD player. A day or two passed as I used the power ("Standby") button on the side to turn the TV off and on (instead of the remote.)

A couple of days ago, when I tried to turn the TV on, the screen remained dark, and the power indicator was flashing an orangish red. I then tried to use the remote, without any success.

I unplugged the unit for a couple of minutes, before trying to turn it on again, unsuccessfully, and then left it unplugged overnight before again trying to power in up, unsuccessfully.

I have tried to click the standby button after plugging it in, I have tried to hold down the button after plugging it in, I have been holding down the button before plugging it in, and I have held it down for over a minute. Nothing seems to work. At this point, given how many problems there have apparently been with this model after only a short time, it doesn't seem to make sense to invest $300 for a part that will probably quickly fail, also. At this point, I would settle for simply removing the DVD that's in the slot. I tried similar techniques with the disc eject button, also to no avail. On PCs, holding down control/alt/delete at the same time has an effect. I am just wondering if any combination of buttons on this model would do anything.

Out of frustration, with the unit unplugged, I even removed four screws and took off the plastic cover on the back of the DVD compartment, and tried to remove the DVD disc by grabbing the edge with a set of tweezers, I could get a pretty good grip, but it felt like the center of it might be on the spindle of the player that spins it, so I was not able to remove it.

Any suggestions? Again, at this point, I would settle for simply removing the disc (even if it might get a little scuffed in the process.)

Thank you.

call me at 801.664.5450

Note: I have already left you a voicemail on your phone. thanks.

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The motor that spins the DVD, locks it magnetically to another free spinning disk... if you got that far, remove the dvd player part, flip it upside down, see if you can manually move some of the gears. you should be able to free the DVD enough to pull it out with the tweezers. if you can send a picture to s69joe@yahoo.com I might be able to point out what to move.

Posted on Dec 11, 2008

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If you have used your TV 24/7 for the past year, the issue might be in the power supply. If there are "bloated" capacitors, set will not start up. If you haven't unplug it for a year, it might be staying alive. Once you unplugged the set, those capacitors won't let your set back to normal. That's a big project and requires technical background. If you think you can handle that, open your TV set and inspect TV's power supply board. It will be located near power cord plug or wire. Also, it might be covered by tin shield, which must be removed for further observation. If you see any "bloated" electrolytic capacitors, replace them with same value and voltage. But it might be main board's issue, as well. what is your place's ambient temperature? If it's lower, than 75F, try to warm up the back of the set, before even trying to poke it open. Use hair dryer. First, point it on main board's in/out connectors. Do not overheat! Few minutes might be enough. Then, try to plug the set in and observe the behavior. Any change? turns on? Main board is bad. Same with power supply. If heating up main board area does nothing, try power supply area. If it makes a difference, start looking for bad capacitors.
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Pleasant day!

The problem could be the power supply or the main board.all you have to do is to follow this simple and easy way of troubleshooting.

  1. Remove the cover.
  2. Plug-in your DVD player and power it ON to perform a voltage data/check.
  3. Check the input power of the DVD.Use multimeter tester to test the AC voltage (AC range).It should have 120v or 240vac depends on the requirement of your DVD or the main supply that comes on the outlet.If no voltage reading,your power cord have a continuity problem.Replace it with the same type and A.W.G number standard.
  4. If the power cord got voltage reading.Next is test the output voltage of power supply such as 5vdc for the main board and logic supply using multimeter (DC range).If no voltage reading,the problem could be the power supply board.
Check the following parts which commonly breaks on power supply board.
  • The power transistors (regulators)-It is commonly binds on heat sink and found on the primary of the chopper.use a multimeter (range diode test) to check if it is shorted.
  • The fuse-able resistors-it is the resistor that have low resistance such as 1ohm 2.2 ohms etc.It is usually found near the power regulators/transistors.Use multimeter (range resistance) to check if it is open or change value.
  • The capacitors-it is the one who can store voltage.If you have capacitance meter you can test that,if none just look at the appearance of the capacitor if it is bulge on top or leak.
NOTE: If you found the defective parts that mention above,replace it with the same type and ratings.
When the problem is still there,The problem of the power supply is major and not for D.I.Y.I suggest to send it to the qualified technician or just buy a new one.

5. If the power supply have output voltage.The problem could be the main board and unfortunately the main board is not for D.I.Y because composition of the board is very sensitive.The only way to fix it is to buy a new main board unit.

I hope this solution could fix your problem.Please response if you have any comment and question.Thank you and good luck.

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Good day!

This are the steps to find and fix that problem.


  1. Open the cover of your TV.
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  3. Power ON the TV to check the voltage reading of disconnected connector to the input of system board by using voltmeter.
  4. Check the 5vdc and 12vdc by using voltmeter.If you got voltage reading of 5vdc and 12vdc,try to connect the input connector of the system board and check the voltage again.If no voltage when you connect it.There's a shorted parts on your system board.Replace the whole system board because its very difficult and expensive to repair it.
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Check the following:
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  • Transistor and diode-Check the transistor and diode if shorted.
  • Resistor-Check the resistor if open/change value.
  • Capacitor-Check the capacitor if leak/bulge on top.
If you found the defective parts that mention above.Replace it with the same type and ratings.
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Thank you and good luck

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good day

the problem of your unit is on the power supply...the power supply is the that gives supply to all of the board that TV have....
I give you some tips to perform a troubleshooting...this solution is for D.I.Y and simple trouble shooting only...if this is not successful the trouble of your power supply is major and its very difficult to repair..
so if that case happen I suggest to purchase a new power supply..

your power supply looks like this?

bugoy31.jpg


first,you have to remove the cover of your TV..
secondly,after you remove the cover..the power supply will reveal and remove it to perform trouble shooting by unscrewing it
thirdly,check the fuse..if busted replace it and check some shorted transistor and diode by using multimeter tester...
fourthly,also look for leak or bulging top capacitor..if found replace it..also check the open or change value resistor..
and finally if you found any defective parts test it by plug in the ac supply to your power supply unit and check the output voltage...if you got 5v,24,and 16vdc it means that your power supply is OK..and if not,your power supply got a major trouble..your option is to give it to the qualified technician or purchase the new one..

if you are purchase a new power supply I give you a web site to order..

http://www.electronica-usa.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=EU&Product_Code=FSP1943F01

thank you very much and good luck

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