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Power surge We had a power surge. Our one TV and computer (in the same room) will not power up. Someone mentioned it may just be the power supply. How can I check this?

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You will need either a digital multimeter or a Power supply tester(recommended) for a couple of dollars on ebay the power supply tester is much easier than trying to test it yourself.

you can get one here

http://cgi.ebay.com/PC-20-24-Pin-PSU-ATX-SATA-HD-Power-Supply-Tester-Tool-B_W0QQitemZ300260901275QQcmdZViewItemQQptZPCA_UPS?hash=item300260901275&_trksid=p3286.c0.m14&_trkparms=72%3A1234|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A1|293%3A1|294%3A50

This is a link to the tester that I own.

I would suggest a better method of surge protection. Go to radio shack and spend about 50-75 bucks on a good surge protector.

Posted on Jan 18, 2009

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Had power surge. Tv was on surge protector. Now no power will come on and just makes a buzzing sound.


Have you tried plugging it in without the surge protector? I would wager that either a) the surge protector needs to be reset/turned on and off depending on the model or b) either your TV and/or surge protector have been damaged by the power surge.

Try plugging the TV straight into the outlet and see if that helps.

Oct 25, 2012 | Televison & Video

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Have a 42lg50ug.auslhr recently had a power surge in home tv has no sound or picture tried to connecting to different outlet in another room but it still wont show a picture or hear a sound


Hrllo
The power supply board of your TV is faulty. It canbe either the fault of a protection fuse, of switching regulator components. We can't predict, which will be faulty, becuse, the set has damaged during a power surge. If you have knoledge in electronics, and some experience in service electronic equipments, you can do it yoursef at home. Some power supply board faults are repairable, by replacing the defective components on it. But, to detect the defective component you must have its schemaic diagram [Service Manual] with you. Witheout it, you can't get what exactly had happend to the board. I've the service manual for your set, but I can't, send it to you without prior permission from Fixya. Toe get it, you have to get me over Fixya, by purchasing onw amoung my LD services advertised there. Unlike previous Fixya Site, the new one is different, and you can choose the experts you want to. The picutre of the power supply toy your Tv is attached here.
11_13_2011_4_26_16_am.jpg

Nov 13, 2011 | LG 42LG50 42 in. LCD HDTV

1 Answer

My new AMD Athlon II Quad 640 3g Crashes. It crashes almost once a day. All temps seem ok. the setup display says that it suffering fron power surge the cause. I have put a power surge device in the mains....


You might not have your voltage set properly in your bios and/or your power supply is either insufficient or going bad on you. Have someone test all the leads and be sure the voltage produced is as it should be. Also evaluate your system as a whole and compare the wattage -vs- the power supply you have. (i.e. running a powered vid card.. tv tuner.. two hard drives.. extra ram AND a beefy cpu on a 150watt supply is highly unlikely.)

Apr 12, 2011 | Advance AMD Athlon II X4 640 3 GHz...

1 Answer

The TV will turn on, just blinks on standby.


Sounds like you may have experienced a power surge and the switch mode power supply has become defective...you will need someone with technical knowledge to troubleshoot this power supply as it is very difficult to diagnose without proper training

Dec 25, 2010 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

We had a power surge in our living room while the TV was on. It was also plugged into a surge protector, however, everything else turned back on but the TV. There is no power going into it at all, as if...


Sounds like it might have blew a fuse on the AC input to the power supply, have to remove the back and look for a fuse near where the AC wires go from the plug on the tv. If the fuse is good
the power supply board will have to be checked or replaced..Next time consider buying a surge
protector that starts clamping at a lower voltage. Panamax brands usually start going to work
at 150v rms, where most others start at 330v rms..

Oct 21, 2010 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

We had a power cut while watching the tv when power came back on it did not work we have changed the fuse in the plug but it still wont work


You make no mention of the brand or even type of tv you have, but i'm guessing from "flat panel" that it's an LCD tv. If that's the case then you could possibly have had enough of a power surge when the power came back on that it damaged the power supply. Take a look at the power supply board to see if there are any electrolytic capacitors that have the top of them blown open or puffed up.

Nov 28, 2009 | Televison & Video

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TV WORKED FINE AND AFTER A THUNDER STORM, WONT POWER ON


Sets such as this still have power applied to stand-by circuits whenever it is plugged in. Try unplugging it for 5 min or so and then if normal operation does not return, ask around for a competent repair shop. With lightning or surges it can be either something "simple" to someone experienced (about $50 maybe) or well exceeding replacement cost. A power strip with surge protection is a good idea in the future, unplugging everything is better but not always practical.

Sep 05, 2009 | Philips 20DV6942 20 in. TV/DVD Combo

1 Answer

Nothing hooked up to usb ports but computer tells me power surge


umm, usually you can't. your board is probably feeding too much current/voltage to the usb ports or someone shoved a paperclip into the port and shorted it out (frying the power supply to the usb ports) in any case, you will probably need a new motherboard or power supply.

May 26, 2009 | E-Machines T2682 PC Desktop

1 Answer

Power supply shot when 3 weeks on same surge prot. all other eq. ok


YES !! IT CAN DAMAGED THE POWER SUPPLY , WHAT i SUGGEST IS TO USE AN APC BATTERY BACK UP & SURGE PROTECTION , SAME USE FOR COMPUTERS , FOR MORE INFORMATION GO TO:
http://www.apc.com , hope this helps , AJ

May 18, 2009 | Maxent MX-27X1 27 in. HD-Ready LCD...

1 Answer

I bought a pair of HP x1100 Workstations in December for the kids. One of them stopped booting. It made a modem noise and then beeps twice. After reading some forums, I installed a new power supply and the...


Make sure you have enough power (wall outlet, Surge Protector (MUST HAVE A GOOD ONE)
And Double Check that the Power Cable is 3-pronged, NOT one that someone pulled the ground pin off of!!! THATS BAD!!!

Or you just got a bad Power Cable,

Also Make sure you have a BIG power supply (I recommend at least 450 watt PS!

Check this all as if it was a checklist.....so far I believe your motherboard is just fine......the problem is somewhere between your Outlet, Power Cable, and Surge Protector (I really hope you are running it on one.....Never run any computer or Valuable components without one!)

I only mention that because some people don't realize the importance of surge protectors)

Apr 19, 2009 | HP Workstation X1100 PC Desktop

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