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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 window has characters but they are meaningless such as incomplete charcters eg an E without the top horizontal etc. The unit does not respond to the remote or by pressing the buttons on the unit. The signal indicator does not light, but the Power indicator does. I think it has had it. Any clues? It is Model TZ-HD1X Matt

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  • bengem11 Jul 22, 2008

    Thanks sincerely bobbyj for your comments. Thank goodness they are not as expensive now, as they were when I bought this one! Matt

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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.

Posted on Jul 21, 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
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1 Answer

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Hi this problem is more common than you think its caused by the power surge you get when the electric is turned back on you also get this problem due to lightning strike their is absolutely nothing you can do to repair the phone as their are no servicable parts and the chances of getting a new board for the base is going to be nigh on impossible

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1 Answer

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The power outage may have been accompanied with a power surge. That can happen with lightning strikes, or if a large inductor (electric motor or equivalent) happened to be on the same power line at the time of the outage. There's a good chance a surge took out the control panel.

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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.

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1 Answer

My sony bravia NSX-40GT1 is dead....no lights...nothing. (lightning strike) If I replace the P/S board will that get it up and running?


First things i would check are the powerpoint and then the fuses
a lightning strike at the powerpole may take out a fuse at the fuse box thus no power at the powerpoint,a power surge could take out the fuses on the powersupply board but check all fuses ,be sure to unplug the set from the wall first.
good luck.

Len

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3 Answers

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Hi Johnson,

Only 50% chance that the symptoms was caused by a lightning strike because your cable box was powering on fine. Most of the cases when lightning strike near to your area, possible of multiple damaged to the electronic device not only to one particular appliances, most especially if they are plugged into the outlet. Also, fuse will blew because of excessive voltage.

I've suspected that the symptoms was only a co-incidence of lightning strike. If you can hear the clicking of the relay, this is only means that the standby power supply is working fine. However, this board has multiple output voltage feeding the other boards to function well. This kind of symptoms is a power supply related problem.

If you have necessary tools and test instrument and handy with electronics, you can troubleshoot this board to find the faulty parts like open fusible resistors, shorted transistors/IC's, leaky electrolytic capacitor, etc.
Another option is to replace the entire power supply board, this is more convenient if you are going to DIY because no soldering required. Try to find you board HERE. Type the model no. of your unit to the search engine, available parts/board will be display.

Hope I helped you.
Have a nice day!
Thanks for using Fixya.

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1 Answer

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No reset for that processsor.. ALL Surge protectors are not guaranted for lightning strikes. Does she know if lightning hit the line that services her home?

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