Question about Televison & Video
Check the capacitors on the power board if the tops of any caps appears slightly puffed up on top its bad and will need replacement.
Posted on Feb 19, 2012
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Posted on Jan 02, 2017
Oh Dear. I had the same problem!! The Akai televisons are not well engineered-meaning that they tried to put too much in a little package. The problem is that the power supply is malfunctioning"supposedly". But I believe that the sad truth is that the whole motherboard is malfunctioning. I can suggest a few TEMPORARY solutions but they too are not guaranteed to work!
1. Bring the tv to a repair shop and tell them to check the power supply. If it is faulty -have it exchanged and it will work for <2 weeks.
2. Literally "bend" the television in multiple directions to find a sweet spot where the screen turns on.( wait for the diode tu tur green before doing this) this will slightly bend the motherboard in hopes of agitating it to turn the screen/bulbs on.
I am terribly sorry that you too have this ridiculous problem!!!!!! :-(
Good Luck!!! I am crossing my fingers for you!!
Posted on Jun 11, 2009
Sounds like it started "Protection Mode" because of a failed electronic part inside the TV. When this happens, the TV will keep turning itself OFF or will not turn ON at all. This keeps the other part inside from being damaged. Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. The common part to go bad for flat panel screens circuit board that powers the screen. Most manufactures call it a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptoms.
You have a few choices:
1. You can again try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under warranty, go that route.
3. If you have some electronic experience, purchase a Service Manual over the internet at Nodevice.com; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, schematics, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15 by searching on the internet with the part number.
4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.
I hope I shed some light on the subject for you.
Posted on Jul 21, 2009
Most failures on this LCD are due to defective capacitors in the power supply board.
The defective capacitors are 1000uF/16v, the reference designators are EC18, EC19 & EC20 and since the light is flashing. Z3 a 27v 1w zener diode might be shorted and two 10 ohms surface mount resistors might also be defective.
If you are fixing it yourself, you can use 1000uF/25v or 35v as long they fit in the space provided by design. Radio shack should carry the capacitors and possibly the zener diode but not the 10 ohms surface mount resistors.
Let me know if you need further assistance.
Posted on Dec 31, 2009
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