We had a fire outside of our house that severed the electrical line. Ever since that, the TV does not turn on. That had happened before with a power outage whole TV needed to be replaced. What can I do. Is it fried
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Several things can cause problem with plasma TV's. You may be getting electrical noise from an appliance or lighting such as halogen or florescent, dimmers, bad electrical connections and outlets. Also, bad cables can cause problems too; have you tried switching those out? Appliances like vacuums, fans, regrigerators, anything with a motor can cause lines and noise on TV's. Have you tried connecting the TV to a noise suppressing, surge protection power strip? Do the lines come and go, or are they consistently in the same place all of the time? When did you buy the TV and is it still under warranty or an extended warranty? Do you have problems with any other TV's in the house? Look at each of these solutions, try them one by one to narrow down the potential source of the problem. If you've tried everything I've mentioned, it may be a bad TV. It does happen, but not often. And as a former Samsung dealer/installer, I know Samsung products have really good track record. In fact, every TV and smart phone phone in my home is Samsung. Hope this helps.
A horizontal line that rolls from the bottom to the top of the tv could be a Hum Bar. This is from a bad ground either for the house electric system or for the cable system. By code, these grounds are supposed to be connected (bonded) together. In other words, the electrical interference is going through your tv instead of into the ground. Fuzzy picture is usually from low cable signal. This can be due to bad cables, connections, or splitters or problems outside with the drop (cable line outside that runs to the house). Splitters, by design, lower the cable signal (i.e. a 2 way splitter cuts the signal in half). If you have unnecessary splitters you should remove them. If you have more than about 6 or 7 tvs, you may need to add an amplifier.
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.
There may be a ground loop in your electrical wiring. Try connecting a 3 prong to 2 prong AC adapter between the power cord and the electrical wall outlet. You can find one in any hardware store for around one dollar. This will lift the ground from the TV. If your lines go away you may have an issue with your electrical wiring in the house or on an internal part on one of the components. The least expensive fix is to leave the adapter in place. I hope this helps.