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I have had the unit since july 08 and recently suffered a lightning strike to my home through the dish. It knocked out both my sat boxes and this television. I also have a 42 panasonic that did not suffer any damage. The 50pg60 when i press the power button there is the clicking sound and the screen appears to come on, however when i try to display anything on screen even the menu, nothing comes up. There are two green lights visible from the back of the unit. I have been told it is probably the power supply board, which runs about 275, i am happy to replace this if i can be fairly confident that there is no further damage.

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Friend,
You have been struck by lightning and you want surety of no further damage ahead of the PSU. Well, damage further to the PSU can be ascertained only when the PSU is forwarding current ahead of itself. You are lucky that your LCD is still operational.
So, lets go step by step. First step should be to restore the power to the TV. Then we will look ahead. There is no point in carrying out a visual inspection as there may or may not be any visual damage. Anyway, just to satisfy ourselves lets take a look inside. Smell is the biggest giveaway. Smell of burn. Then the view,if you can locate and blackened items. Burnt items. Any burnt wires inside. What else. That is the initial inspection. Now we will wait for the PSU to send current.

Posted on Dec 17, 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

Had Lightning strike. TV box destroyed and tv does not get power. Which boards may need to be changed?


The power supply board is the first board to feel the impact of a lightning strike.. Try that one out first.

Jun 21, 2016 | Televison & Video

1 Answer

Liftmaster 3265M. Two units. Why does neither work since lightning storm?


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? 3:10
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Jul 2, 2013 - Uploaded by Mike McCarron
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1 Answer

We had a tree struck by lightning last night. Now, our truck and sports car, parked 10 feet away, are both showing problems with charging system, (truck) and ABS, tracking system, and active handling...


Yes. Although the tires are suppose to insulate, there is enough humidity to allow the air to carry a charge. The ECM for example, can be interfered with by Radio frequencies. A lightning strike produces all kinds of freqencies beyond visible light.

You should document the tree strike and park your vehicles back into their spots if you do not already have photos of the tree damage showing the vehicles in the foreground or background.

This is comprehensive coverage with hidden damage discovered within a recent timeframe of the original event.

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1 Answer

I have a 51" JVC HD TV that is about 3 years old. Recently lightning struck my home and now I have sound but no picture. Is this set worth fixing and any ballpark figure on repair?


Lightning strikes are always tough because there is often hidden damage. By that I mean that the lifetime of some of the components might be shortened.That being said however, I would invest in a detailed repair estimate. Report the results here and we can help guide you from there. Without seeing the unit itself, remote diagnosis, especially in this type of situation, is tricky at best. You would be wise to have the actual unit examined. For a set of this size and age, the estimate is worth it.

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Aug 29, 2008 | Televison & Video

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

2 Answers

Hughes direct tv receiver (director pack)


get new ones i just had 2 boxes replaced 1 was sd-hbh and the other was a hi-def box both were fried cause the nit wit that set up the system didn't ground the dish and we got a lightning strike that fried them.... i would call direct tv or whoever your sat provider is because mine were replaced for free with 2 brand new boxes.... and you should check to see if your dish is grounded it will usually be grounded to a water pipe somewhere in the area of where your multi-switch is located

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1 Answer

We had a lightning strike in the area with resultant power outage. The set top box is not working and doesn't respond to switching off and or removing plugs from wall for over 5 mins. The LED display...


Lightning is an indiscriminate killer of electronic equipment it can attack multiple areas of electronic circuits. set top boxes are for the most part a computer and data is collected thru an antenna and transmitted back to your set. lightning can enter the box in multiple ways thru the antenna or the AC or both. It would not be worth persueing a repair on this just replace it. if you had other equipment damage then check with your home owners policy for the replacement of all the equipment damaged.

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1 Answer

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The "front end" of your Receiver might be defective. Since your other unit is working then what might be happening is the signal to your unit might be dropping, to check this I would use a Satellite power meter, however if you do not have one you can use your other unit and connect it to the cable that your supposed defective unit is connected to. If the unit works then the problem is the supposed defective unit, if the unit does not work then this denotes a possible cable problem. Tell me if this works for you?

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