Question about Akai LCT2715 27 in. LCD Television

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My tv wont come on I suspect a power supply

My tv wont come on I suspect a power supply issue.

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Well your suspicion is probably right. Check for bad caps on the Power supply board. Usually you will see bad caps visually. They will be leaking or buldging tops. make sure to check to make sure caps are all discharged these things can kill you even when the set is unplugged. Capacitors hold a wallop of a charge.

Posted on Dec 31, 2010

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1 Answer

No power to tv


I would suspect bad capacitors on the power supply. They drain when left unplugged from the power source and then when power is restored the weakcapacitors cant recharge and the set wont power up.

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I would suspect the power supply. Have the set diagnosed

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When i turn off tv it wont go back on for hours


The most likely issue is your power supply is failing. Most likely issue that would cause this problem is bad capacitors on the power supply.
What happens in the above situation is:
After the Tv has been off for some time the electronics and capacitors are cool and supply the correct voltage so the TV turns on.
After using the TV the electronics heat up and the material in the capacitors expands causing the power supply to supply incorrect voltage. With the TV the power is flowing and is close enough to the correct values for the TV to stay on, after being shut off the TV will not turn back on because correct voltage is not present until the components cool down and the voltage at power on no longer engages the protection circuit.

Info on checking and testing power supply's

Info on finding and repairing bad. Damaged, leaking or swollen capacitors

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I would suspect an issue with the power supply board, maybe even puffed up filter caps on that board---that is the place to begin.
5_16_2012_3_38_57_pm.jpg

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1 Answer

We had power outage when power came back on power light goes on then starts blinking will not do anything have tape in player it wont play it or eject it


When you have power outtages you always want to have these eletronics in a surge supressor or simply unplugged.

I suspect your having a power supply issue, The power supply is inside the TV, I would not say its a fuse because you do have that blinking light.

1. try to unplug it and plug it back in

if that did nto work your going to need a tv repair shop. You do not want to open this unit if you do nto know how to repair it.

Thanks for your free question, Thanks for using fixya.com please be kind and leave a postive rating or feedback.

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1 Answer

42 in magnavox plasma tv has sound with no picture I unplugged tv and waited 10 minutes with no luck


Hi my name is Roety,
I can help you with your issue ,
If you have no TV menu either check for any swollen capacitors on the power supply.
If none are found measuring voltages will localize the defective board or boards the voltage test points are marked VA and VS on the panel and boards.
If disconnecting boards restores these voltages the suspected boards must be replaced .
Tech labor is about $250 plus parts.
Suspected boards
power supply
Y sus main & Y buffers  
Logic board
mainboard
panel
 
 
If I have helped you with your issue
If you have more questions you can still respond
I will reply asap
Thanks

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2 Answers

Tv wont turn back on


Either of those, so check both.

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1 Answer

We had thunder storms my tv 65613 has a green blinking light wont star


Good Day,mikeybecerra; TV wont come on mb try these 6 items, please pay attention to the blinking light (it's a code) : 1. Check for no 8.4 volts DC at pin 3 of PC9A10 on the Power PCB, if low or missing replace PC9A10 part # 268P058020. 2. LED does not blink at plug in. Check for 3.3-volts DC at connector RF pin 3 (system reset) if low or missing suspect the reset switch S7L20 part # 432P109010 on the Control PCB. 3. LED does not stop blinking after plug in. Verify the standby supplies, 12-volts at connector KA pin 17, 6-volts at KA pin 18 and the 28-volts at KA pin 19, if the supplies are present suspect the DM PCB part # 934C067001 4. LED does not stop blinking after plug in. Check C9B01, C9B02, C9B10, and C9B11 (1000 UFD 16) on the DM PCB, if they are bad replace them with part # 181P734030 (680 UFD 16 V). LED stops blinking after 70 seconds of plug in but will not power on. 5. LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector RF pin 4 and 5 on the Signal PCB if low suspect problems with the switches/buttons on the Control PCB part # 935D736001 6. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector RF pin 4 and 5 check good suspect the E2P PCB part # 934C061001. Good Luck, big IRISH.

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