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Lightning struck the cable tv line coming into the house. All of the electronics connected to the cable quit working. I took the back off of one of the tvs, and could not find any sign of scotch, burn, or any type of damage. The tvs simply won't come on.

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A lot of electronic devices have built-in on-board surge suppressors such as MOV's, and avalanche diodes - these could get damaged during a lightning strike. Fuses are another possibility. Beyond that, gotta take out your DMM and oscilloscope and start troubleshooting, or see a technician.

Posted on Aug 26, 2008

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House struck by lighting,all cable boxes and two tvs fried. already replaced power supply.


Nobody can predict what might have been happened to electronic equipment; during a lightning. In most cases, main board to these devices might get damaged. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Nov 05, 2015 | Samsung Televison & Video

1 Answer

How do I diagnose and fix an LCD HDTV whose screen will not come on because of possible lightning strike?


needs circuit testing doubt you would actualy be able to see any damage to circuit boards doesn't take much of a power surge to knock one out tv engineer needed

Aug 25, 2015 | Televison & Video

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Jvc model no. LT-32p679. cable line was struck by lightning now tv wont turn on


Cable system is grounded to electrical system. Most electronics have fuses inside. Open it up and look for blown fuse.

Oct 13, 2010 | JVC LT-32P679 32 in. LCD TV

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Wont come on house was struck by lightning now everything comes on but the tv


Hi:
Open the television and follow the power cord to the main power supply board the fuse will be near this cords contact plug check for blown 5amp fuse, if fuse is not blown then power supply took a shock and needs repair.

Aug 18, 2010 | JVC AV-36D201 36" TV

2 Answers

Lightning struck my house last night, the tv is plugged into a surge protector. When I turn the tv on the screen is black. How do I reset the tv?


physically remove the power cable for about 10 mins then reconnect it no joke this is important

if it does not work the power supply is needing replaced

do you have cable or sky

Jun 26, 2010 | Hitachi 57F710 TV

1 Answer

We had a near lightning strike and now my tv (sanyo model ht27744)doesn't want to come on.


Lightening may have caused a surge on your power lines to the house and to the outlet the TV was on.
Do other things work on that outlet? If not you tripped a power breaker.If they do work check this.
Unplug the TV for 2 min or more and plug back in.
Try bypassing your surge protector you had it plugged into. It could have died when the lightening struck.
(no surge protector?) Bet you'll buy one for your next TV.
Look for 3000 joules and up rating for a surge protector and insure it has protection for a cable/antenna input too.
If this doesn't work the TV may be fried or internal fuse blown.
Time to take it to a repair shop or depending on it's age (5 years+) it may be time to buy a new TV and surge protector.
Near Lightening strikes can effect appliances from several inputs that could be affected from outside like Power, Cable, Antennas, Phone Lines that come into your house.

Jul 06, 2009 | Sanyo Televison & Video

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Lightning struck outside our house last night. Air does not work. Unit outside does but the thermostat smelled like the wires were melting. Husband got a new thermostat but we can't get the unit to come...


lightning is in KVolt range, the exterior unit is most likely damaged at the low voltage cables to the thermostat, melted out, should get a sparky in to trace the lowV lines, and check out the unit, lightning is not forgiving

Jun 22, 2008 | Intertherm Heating & Cooling

3 Answers

Lightning Strike?


Assuming this line is across the screen horizontally (side to side), this means the vertical deflection circuitry is dead. In late model sets, there is a Integrated circuit package which drives the vertical yoke coils. Possible defects: the I.C. itself, bad solder connections where it solders to the board, missing voltage source to this I.C. (often around +24 volts), or a bad electrolytic capacitor in the associated circuitry. This latter often results in a non-linear picture, or less than full deflection condition, rather than a thin line only. It is possible lightning caused this problem, (I've seen some rather illogical damage from lightning ) perhaps it produced enough of a surge to pop the I.C. or a fusible resistor in that voltage source noted above.

Jul 03, 2007 | GE 24GP653 24" TV

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Lightning hit last night tv won't work cable company says it's in the television


Sorry to here about your problem! This is the time of year I used to get tons and tons of sets, stereos ,games, and vcrs in for repair. On your panasonic it seems that maybe the surge took out the tuner portion or the power supply. It sould cost aprox. 200 bucks or so for a new tuner. Im sure your aware that homeowners will cover almost all repair after the deductable. Good Luck

Jun 04, 2006 | Panasonic CT-36G24 36" TV

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