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After a thunderstorm, set won't turn on using the panel switch nor the remote. No other signs of lightning strike in the household.

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Check the fuse on your tv,

Posted on Jul 29, 2009

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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

1 Answer

Set was hit by lightning and since then remote does not work, set has been repaired up to that point.Model#42PFL770/F7


A lightning strike will damage a lot of components - the ICs for the remote reception in the set are probably fried

Sep 29, 2014 | Philips TV Tuner Video Capture PCI Card -...

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

No standby light


Depending on the brand and MODEL number here is what I think happened.

All TV sets have a Standby power supply. It runs all the time even if set is off but plugged in.

It supplies among other things the power (usually less then 12 volts DC to run the remote circuitry---It usually is not fuse protected so if a strike hit nearby it may have come in via the power cord.

Trouble is almost certain to be in the standby supply.

Mar 17, 2012 | Televison & Video

1 Answer

My dynex tv wont turn on! the strom knocked out our power, now the power is back on the tv wont turn on from remote or tv power button.


Lightning is a weird beast, and can do strange things to a TV. Sounds like the set took a hit. If there is a fuse then check it on a volt-ohm meter for continuity while it is out of the circuit, and if it is an open circuit, replace it. If there is a circuit breaker, then reset it. If these don't work, look for obvious scorching on the circuit board (assuming you know how to avoid electricution, otherwise do not touch). Lightening can literally jump around on a circuit board, so there is no way to know what part of the set was effected by the strike - the lightening will not always burn out the first circuit it touches, but will burn out something further into the circuit. The most obvious place to look is around the transformer and rectifier circuits. If a capacitor was hit, it may be swolen or discolored; resistors will scorch, and the worst thing is that transistors and IC's often show no damage - in fact, any part might be burned out and not show visible signs. If nothing is obvious (like scorch marks) and the fusing is intact, there are too many possibilities to begin listing them all. The fact that it won't turn on at all sounds like it is probably a power circuit, but, not necessarily. FYI turning a set off during a lightning storm does not protect it, you have to unplug the AC power cord and the line that feeds the signal into the set. Even circuit protection devices (lightning arrestors) may not protect against a close strike. Maybe the techs at Best Buy can supply more suggestions (Dynex is their brand).

Aug 29, 2011 | Dynex DX-L42-10A 42 in. LCD TV

2 Answers

We had a thunderstorm with lightening in the area. The LG was plugged in at the time, but NOT turned on. after the storm, the tv will not turn on. the little green button turns from red to green...


As an electrician, when someone loses more than 1 item of electronics in a day, its almost
always traceable to a nearby lightning strike, accompanied by inadequate surge protection for
the VCR/TV/Computer/Stereo/uninsured valuable electronic item/XBOX 360. Surge protection can
be provided by the consumer at the power strip (a good one with builtin protection and a
warranty costs $20, whereas a zero-protection 4-outlet or 6-outlet power strip will cost $4-$5).
Your electrician can provide whole-house protection, or per-circuit protection at
the breaker box, where a GFCI breaker (or better, an AFCI breaker) can be installed.
GFCI = ground fault circuit interruptor
AFCI = Arc fault circuit interruptor
Lightning protection is especially important in Florida, which is the "lightning capital of the world."
I've never found a good solution to lightning-fried electronics (random power supply components are destroyed), other than renters insurance or homeowners insurance.
The converter box may be replaced by DirecTV, you'd have to contact their customer
service at http://www.directv.com/DTVAPP/content/customerservice
If desperate, you could try replacing the entire TV power supply as a module, but even this provides
no guarantee of a fix - lightning damage can extend beyond the power supply.
When traveling, I will always unplug everything before I leave (except the security system),
and also turn off the breakers to unneeded house circuits (which kills the wall switches that
control interior lighting - forcing a burglar to use their flashlight instead of interior lighting)
which is the least convenient lightning protection, but highly effective, and cheap (free).

Aug 17, 2011 | LG Televison & Video

1 Answer

Remote fans quit working during a thunderstorm-lots of lightning


I've been having the same problem with my remote not working. I actually just checked the dipswitches in the remote against the ones in the ceiling fan, and they somehow were not the same. It seems that the 4th dipswitch may have inadvertently been altered due to the battery either being changed or just moving. I advise you all check out the settings on the actual fan to see whether or not they match up.

Twist the cap covering the wiring above the fan (make sure the power is off, just in case), and you will see a black box like thing straddled towards the top. There is a little rubber square cap guarding the dipswitches. Take that off and note the setting of the 4 switches (on/off). Compare it with the remote by taking the batter pack off and looking at the 4 switches there.

I noticed that the 4th switch on my remote was turned on when it should have been off. I changed it back, and now it works.

Hopefully this helps you all.

Jun 15, 2009 | Dryers

2 Answers

Lightning strike came in via cable not power.


Your tv is going to need internal repairs. I recommend using our premium service to help walk you through these repairs. Or contact a local repair service.

To avoid this in the future I recommend an inline surge protector or a "green" switch.

An inline surge protector makes sure that all power to your tv comes through at the same level and does not spike or fall. It has a battery backup as well.

A green switch is a way of rewiring your home or your entertainment center to allow you to disconnect all power to your entertainment center when you are away, when a storm is coming, or when you are simply not using the system. A remot control can restore the power.

The average home entertainment center has one of the highest drains on electricity in the average home for appliances that are not in use. that is what makes the green switch appealing.

CH

Jul 30, 2008 | Televison & Video

1 Answer

Magnavox 20MF251W won't turn on at all


my tv is not rurnine on the standby light is on

Aug 27, 2007 | LG MW-71PY10 71 in. HDTV-Ready Plasma...

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