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No power seem to have lost power, have changed fuse but still nothing, could a power surge have damaged television beyond repair?

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Significant surges can do a # on flat panel TV sets. You could have multiple boards that are damaged. Being that you have a 22" LCD, repair could exceed the value of the set. When you plug in the set, does the power indicator come on?

Posted on Jan 11, 2013

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After a lightning strike my smart tv lost its picture everything else works fine trying to isolate which card is the problem.


For the TV repair, if you're lucky it's just a 20 cent fuse or two on the power supply board. If you're not so lucky it could be parts of the power supply board, which can be a simple replace job. But if it's beyond that if some of the display electronics got fried (Being a name brand like LG, it shouldn't) it could be listed as BER (Beyond Economical Repair)

If the TV also had a coax going in, that can cause damage to the electronics and bypass the surge protection entirely, which is why some surge protectors have coax jacks on them, as well as phone/modem jacks.

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May 03, 2016 | Televison & Video

1 Answer

After a power outage my Panasonic smart tv came on for 2 seconds but after that it turned off and it wont come on after 24hrs


The power outage probably popped an inside fuse or damaged some electronic components. If you are capable, unplug the tv and place it face down on a soft towel. Unscrew all the screws on the rear that hold the two halves together. Lift the back panel slowly making sure all is free. Look for the fuses and check if they are blown. If they are, replace them with the same rated fuses. This is the cheapest fix. If the fuses pop again after this, then something beyond the fuse was damaged. You will need a repair shop to troubleshoot it. Once fixed, plug the tv into a surge protector for future use. Hope this helps.

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My panasonic tc-p50x5 will not come on after power outage. whats wrong?


Being in the field of electronics I can not stress this enough....POWER SURGE PROTECTION...and I am not talking about a power strip with "surge protection"...they are useless. That being said you had a surge that most likely blew out your main power board. There is a fuse on that board and if you are lucky that popped and it is an easy fix. If not, you will have to remove the board, get the numbers on it and search out a replacement. There are plenty of places online to get them but I use Allied Electronics. One thing to check while you have the tv apart is to check all boards for visible burn marks or damage from the surge.

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1 Answer

Magnavox Television


There is an 8amp 250v 5mm x 20mm ceramic slow blow fuse on the power supply board inside the TV. The picture below shows the board with the fuse circled in yellow. If you had a big enough power surge it may have damaged other parts of the power supply beyond the fuse. Look for burn marks on the power supply board when you replace the fuse. If you need additional information just let us know tech@ccl-la.com
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Hi I have a Ricoh 1515MF and I recently had a power surge that fried my power strip, desktop and my Ricoh. The Ricoh will not turn on anymore. I have tried switching outlets, new power strips and nothing...


The power supply unit within the printer also would have damaged while the surge took place . The SMPS - the power supply - is quite sensitive to the power surge and so could have damaged the driver or the front end . you need to take a look at the SMPS unit to confirm. remove the power supply and check for fuse, if the fuse blows again then you have a problem in hand.
check the link for tips:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

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1 Answer

Following a power cut my tv has no power, have changed the fuse, checked and used another proven working plug and still no power .. Is this tv repairable ?


Sounds like the power supply has copped a mains-borne surge. Replacing the fuse doesn't always fix it unfortunately. The cost to repair the switchmode PSU depends on how many components have been affected within it and the extent of the damage as a result of the surge. If the damage is serious, for example burn marks/large cracks on the board, and the optocoupler is destroyed, the whole set would be uneconomical to repair.

You can never predict when or where a power surge is likely to strike.

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1 Answer

Looking for Power Supply for AKAI tv model LCT3785TA


The power supply was damaged beyond repair by an electric surge hence want a replacement psu part number E7801-P02003. would want to order one

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2 Answers

Power will not come on, some kind of timer seems to be in place,


Claim fusion on your insurance policy but dont mention lightning as its an act of God and not claimable in many instances

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1 Answer

No power---unable to turn on tv


There is no reset button on these new sets,your set has complete power problem since you have no lights no clicks,this might have happen because of lightning or power surge,either one creates a lot of damage,if you are familiar with tv service you can check the main fuse,he should be close to where the power cord comes in,if you find the fuse blown it needs to be replaced with an exact replacement for AMPS rating and VOLTS rating as well as size,if the fuse is blown black we might have more problems ahead in the circuit and it will blow up again as sonn as you plug the tv back in,if it blows again it will need a more involved repair,the problem could be in the primary side of the power supply,if you are not too familiar you should seek the help of a servicer a least for an estimate but if you suspect power surge or lighting damage dont invest any more on this set and get a new one.

Jul 10, 2008 | Norcent Technologies LT-2722 27 in. LCD...

1 Answer

Possible power surge?


Sounds like you got a surge which damaged the control panel. This is the most likely thing. We regularly repair these control panels nationwide for $32.50. A fuse is designed protect against excessive current. But if you have excessive voltage (a surge or spike), it can be so fast that it gets past the fuse and damages the control panel without actually blowing it. While the panel does have surge protection to keep that surge from actually destroying the control panel, the panel is damaged and will have to be repaired. If any power line connections were broken or are suspect, I hope you have contacted the power company. Either way, I would test any affected outlets to be sure the neutral and ground are present so the voltage output is within the proper range.

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