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Lightning affected Lcd tv

Hi.I have panasonic LCD 32lnch Mod.Tx-32LXD7oA,the tv now has no life due to a bad lightning strike/power surge,I cannot see any burnt boards or blown fuses not even a standby light,my question is a repair possible and will it have a long and reliable life span regards Bob Sydney Australia.

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Panasonic 32"LCD Mod,TX32LXD70A

Posted on Jan 03, 2009

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Which circuit board on my Smart TV might be broken after a possible lightning strike. There are two main ones. The power is getting to the unit, but I can't get the menus, connections etc to work.


Nobody can predict, what might have been happened to your TV after a lightning strike. Do you thing anybody can? Is any technician have a super-natural power to predict the faults that might have been happened due to lightning (More than 10 Million volts to start on stroke) ? Can you?
Sorry.
Contact the authorized service center. OK?
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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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Replace or have the powrer supply tested and eventually serviced.
Lightning strikes affect two types of boards in televisions - the power supply by means of entering through the AC line and main boards by means of entering from the external signal sources. External antennas are worst and can totally toast the main board whereas a signal entering through HDMI cable from another device is less likely to be affected by a power surge.
So naturally you start your quest with the power board , which is the usual suspect.

As of right now I do not believe we have an announced service for the power supply board of Sanyo LCD-24K50, but if you do not have any other options you can always try and send the power board for examination/repair through
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Hi

The first parst affected by the lightning strike are the reservoir capacitor, a big cylindrical component in the high voltage section of the tv, which normally blows up, opening the top cap, and the NTC. Please, check these components and replace the damaged ones.

Sully

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Does Panasonic TX-37LX80M 32" Widescreen LCD Multi-System HDTV with HDMI come with a safety gear which blocks the lightning from striking the television?


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No power (dead after a lightning storm hit the house. Tried replacing the two power circuit boards and have a current going in and all around all circuit boards. Still no sign of life when plugged in...


If its after a lightning storm, it really could be anything. Your mainboard could quite possibly be shot. In fact almost anything in the TV could be damaged by a big surge. It could even be that your backlights went out from the surge too.

Does your power LED come on? What is it connected to? Directly to the power board or is it connected to the mainboard? If you have current through all the circuit boards, you may have a burnt tuner or chip on the mainboard.

Might not be worth fixing depending on the size/model. If its a big LCD, you could probably get a good deal on a working one of the same size with a broken LCD panel (~$100). Then you can just replace the broken LCD panel with yours and you have a fixed TV.

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