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Surge from lightning strike damaged tv and won't turn on.

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Unless you are skilled at trouble shooting power supplies , you will be better off getting a skilled repair center to repair yourset. If its repairable I have seen surges from lightning strikes make the set no longer cost effective to repair.

Posted on Jun 18, 2008

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When and How Should a Surge Protector Be Used on a Fixed Switch?


Common Causes of Lightning Strikes
  • Outdoor network cables or power cables are routed overhead.
  • A switch is deployed outdoors but is not properly grounded.

Damages of Lightning Strikes
  • If power cables of a switch are routed overhead in an outdoor environment, lightning strikes may burn the power supplies.
  • If network cables of a switch are routed overhead in an outdoor environment, lightning strikes may burn interfaces of the switch.
When a switch undergoes lightning strikes, overvoltage is induced by lightning on network cables and transmitted to interior of the chassis. The surge protection measures, such as lightning rod and chassis grounding cannot prevent the damage. Therefore, surge protectors or surge protection circuits are recommended.

Surge Protector Use Precautions Take the following precautions to protect a switch from lightning:
  • Ensure that the ground cable is connected to a ground bar or a ground point on the cabinet.
  • Avoid routing cables overhead in an outdoor environment. Bury cables underground or route them in steel tubes.
  • To protect network interfaces against lightning, use 8-line surge protectors (or Huawei certified 4-line surge protectors).
  • When installing a network interface surge protector, connect the IN end to terminals and the OUT end to network interfaces of the switch.
If a fixed switch is installed in a network box, follow these instructions:
  • Connect the ground cables of the switch and surge protectors to the ground bar in the network box.
  • The maximum length of a ground cable cannot exceed 40 cm, and a length of smaller than 15 cm is recommended.
  • If the network box is located outdoors and power cables are routed aerially over a long distance (more than 300 m) to the network box, it is recommended that you install a power supply surge protector in the network box. The decoupled power cable must be at least 3 m long
S2300 Switch Thunder link com

Dec 08, 2016 | Office Equipment & Supplies

3 Answers

Stopped working after a storm


Did you have a power surge after a loss of power? If so your TV is ruined from the surge. In the future use a surge protector if don't already.

Aug 20, 2016 | Televison & Video

2 Answers

Plasma Panasonic TV stopped working


Lightning-damaged electronics are a gamble to repair. Sometimes the problem is a single component, but more often multiple components are damaged, and even if you get it working, something else may die shortly thereafter. If you are lucky, only one board was damaged. My recommendation, if you have homeowner's or renter's insurance, is to put in a claim for the TV and get it replaced.

Having put forth that caveat, the blinking red LED hints that you may have enough left of the set for it to be repairable, especially given that much of a plasma set is already built to cope with high voltages. Try downloading a service manual and following the troubleshooting procedure. Here's the link (it's a Hungarian site, but there's enough English available to find things):
Service manual eprom result list ElektroTanya Service manuals and repair...

Jun 26, 2015 | Panasonic TH-50PZ850U TV

1 Answer

Is the module of lg tv 32ld330-mb affected when theres a lighting strike???is there a chance to be fix??


The damage from a lightning strike tends to be random. Sometimes it's minor, and only a few parts are affected. Other times, many parts are ruined, or destined to fail soon as a result of the current surge.

If the strike came over the power line, the input surge protectors in the power supply should be replaced, even if they look good. It would be prudent to replace the entire power supply. If you had the set plugged into an external surge protector, that should have taken most of the hit and should also be replaced. (Some surge protector manufacturers will pay up to a certain amount for repair or replacement of equipment plugged into their products if it is damaged by lightning.)

If the lightning came over an unprotected input cable, fixing the set would be a gamble. You could end up changing a lot of modules, beginning with the main board.

Jan 30, 2015 | LG Televison & Video

1 Answer

Power surge caused by lightning strike, TV is dead, any Thoughtd/ does this damage every components?


Lightning can cause serious damage. You will surely want to get a professional diagnoses. What is damaged depends on where the surge came in at, and the intensity of the surge. If the surge came in through the power cable, most likely your power supply board has damage. But I have seen situations where the surge came in though an HDMI or coax connection and just take out the main board. But the moral of the story is to get a proper diagnoses, you could have several boards damaged.

Nov 24, 2012 | Astar LTV-2701 27 in. HD-Ready LCD...

2 Answers

Sony bravia lcd won't power on after lightning strike


I am sure the tv is shot from the surge but you can check a few things. I would take the tv apart and test the power supply first. Look for obvious burn damage throughout the boards. If there is a blackened one (prob video board) then you can try to replace that. Don't worry about taking this apart and breaking it further. In this case it can only get better for you.

Oct 06, 2012 | Sony BRAVIA KDL-46EX400 46" LCD TV

1 Answer

Does a nintendo gamecube damage a sony t.v.?


No, it will not damage your TV. It is possible for a surge of electricity, like by a lightning strike, to damage the TV and or gamecube.

Aug 05, 2012 | Nintendo GameCube Console

1 Answer

After a lightning strike yesterday the dishwasher won't work - have checked the fuse/plug... what else can I check?


a power surge from a lightnig strike could have caused damage to main control board among other things best bet is have the whole machine checked out!!

Aug 04, 2011 | Dishwashers

1 Answer

AOC Envision L32w761 TV. Lightning strike. Now nothing. Power light won't come on. Checked power to the Power Supply board and have it fine. Replaced TV and everything in the system looks OK. Bad TV...


If you are certain you have a lightning surge, almost anything can take down your TV. First check the obvious, do you have power coming out of the wall. Is the surge protector good, if you used one? If you have answered yes to the these questions, you may have acquired a power surge in your TV. You may not find it in your TV. As I have said it may be anywhere in the TV. You will need to take this TV to an authorized service center. It would be difficult for anyone out side a technician to find the problem. Thanks for asking and show all hands of support!

Jun 18, 2011 | Televison & Video

1 Answer

Have a Toshiba MW24F11 combo tv. Near lightning strike through surge suppressor. Will not turn on. 6.3 amp fuse blown; replace, blew again. Next step, or start looking for replacement. Set is 25...


power surges generally damage diodes and capacitors causing the fuse to blow, any reputable tv shop can repair for a fraction of replacing this set.

Sep 15, 2008 | Televison & Video

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