Question about Samsung UN32EH4003F

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Will a nearby lightning strike cause a power board failure?

Near by lightning strike, fuse checked ok.,there appears to be a slight discoloration on bottom of power supply board

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Posted on Dec 12, 2016

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It could happen yes it would depend where the strike entered the TV. Not all lighting strikes hit on the electrical lines, on a TV they can come through the cable, as well as a antenna if you have one hooked up.

Posted on Oct 10, 2016

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Posted on Jan 02, 2017

SOURCE: power light comes on and clicking is heard but no

your problem is more a defective y board with y buffer boards one of them is short

Posted on Oct 26, 2010

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2 Answers

Dead SA-HE 100


hi due to it being lightnig strike their could be that much wrong with it that you might never find the problem.
If you are going to try and repair it then your going to need a multimeter and also get hold of the schematics so you can follow them and for any part numbers you might need.
The chances are its going to be several blown resistors because the lightning strike causing power surge so i would start looking around the board where the power lead goes into the board this would be a good place to start testing

Feb 13, 2008 | Panasonic SA-HE100 Receiver

1 Answer

Sanyo AVM-3651G fuse box?


Should be on the board near where the power cord connects. It should be a fuse with pigtails that is soldered to the board. If you had a true lightning strike then the power diodes are probably shot ad well and more than likely the power transistor.

Aug 16, 2016 | Sanyo Televison & Video

2 Answers

How check pcb after lightning strikes??


Over voltages as little as 20% greater than expected (under the right circumstances) can cause components to fail with no outward indication of failure. Other times, these same or greater voltages will obliterate a component and without the benefit of a schematic will make identifying & replacing it impossible.

Nearby lightning strikes often cause multiple components on different PCB to fail at the same time, complicating troubleshooting significantly. Faults can appear on power supply PCBs and in the RF stages along antenna / cable inputs and out to cable boxes DVD players, etc.

These are usually not fixed by DIYers without specialized test equipment and manufacturer's service manuals.

Jan 30, 2015 | Televison & Video

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

Sep 06, 2014 | Televison & Video

1 Answer

Why does my generator start constantly?


if a lightning strike was anyplace close (30 yds) it's a safe bet your gonna have to replace the control board in generator also Id have a qualifyed tech ck out your auto transfer switch ,I bet he''ll find that you fried your coils on your switch too , do that before changing control board cus if ya hook up a new one to a bad coil ya just bought two of them

May 24, 2014 | Kohler Electrical Supplies

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

3 Answers

Lightning strike, power was out for no longer than a second and came back on - only TV has been effected and will not respond by remote or tv button. Shows it is on. But only getting fast clicking noise...


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.

Jul 31, 2011 | Vizio 42 in. LCD TV

1 Answer

Lightning strike nearby, no power from the card what so ever


The most likely explanation is the high voltage from the lightning has probably zapped the sensitive electronics. It is however worth checking all the fuses are OK
I hope I have been of help but please do not hesitate to ask if you have any further questions.

Feb 20, 2011 | Sony Televison & Video

1 Answer

27r410t no power


did you check that you are receiving a good hot (a consistent 110 ac) check the tv on a different outlet otherwise the chassis board has malfunctioned inside the tv. Probaly the flyback transformer which converts the 110 ac to thousands of volts to power the CRT (picture tube) which has failed more than likely. Usually the culprit after sustaining a surge from a lightning strike. Not worth the repair just replace go to your local pawn shop for a great deal on another used tv

Aug 15, 2009 | RCA F27664 27" TV

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