Sanyo HT27547 tv - lightening came in on coax line
My 7 month old Sanyo HT27547 tv won't turn on. Lightening came in on the coax from the antenna and the set went off. There wasn't any dramatic sound or smell from the set, it just went off and won't come back on. Is there a reset inside or a fuse like old televisions had back in the day or am I just out a fairly new tv that I liked?
Re: Sanyo HT27547 tv - lightening came in on coax line
Ther is probably a fuse and a diode that got hit by the lighting. If you want to try to fix it yourself unplug it check the fuse and change it if it is bad. Then turn it on again. If it blows that fuse then a diode is also out.
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reset may not be of much help if it took a spike from lightning. ( short answer NO! Invest in a spike arrester extension plug when u get it fixed. $10 If you have home insurance claim any repairs under FUSION
Yes, however the pcb could be fried due to the high voltage, need to have it checked by an approved engineer and contact your insurance company if insured
Never take the back off the tv unless you have safety training, it can still have voltage inside even with the tv turned off
Lightening does a LOT of damage, I wouldn`t have it repaired and I`d contact my house insurance immediately. I`ve repaired lightening damaged sets before only to find that the set only lasts a short period before different fault appears and once you make a claim on the insurance for a repair, they won`t pay out again for another repair on the same set. The problem you`ve got is when the lightening hit the power line, it sent a transient or high voltage pulse through your power lines. The computer and a lot of the other circuits in your set only run at about 5 volts. If your TV power is normally 240 volts like ours is and the transient pulse rises 1,000%, (In practice a lot higher than this) in effect the power lines in your home will have risen momentarily to 2,640 volts. This means that the other voltages in the set will have risen proportionally with the input voltage meaning that the 5 volt lines will have risen to 55 volts which would either destroy the circuits on that line or as you will find out later if you have the set repaired, weaken the circuits which may survive for a short period until you`re sat down watching your favorite TV program and one of these components decide to give up. Take my advice and claim for a replacement set, You`ve been warned. Ian
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.
the model you listed will receive digital rf signals without the need for a converter box. the link below is a link to the owners manual for your set, in it you will see what to do to get your local station once the television signals switch to all digital broadcasts.
Was the block a cube about 1" ? You should be able to salvage one from an old tv. This block is used to isolate the antenna/cable from the "hot" chassis inside your tv. If you should find a used block ,make sure it does this. If you get one that gives you a direct connection to the chassis, your antenna/cable connector would give you a shock and probably burn out something in your tv when the cable is connected.
Some of the Sanyo's have this connector made on to the tuner. If this is the case you'd have to either put a new coax connector in the tuner OR replace the tuner.