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I own a Sharp Aquos LC-37D42U and I connected it to a 220 Volts outlet and of course something burned. I am wondering if there's an internal fuse that might have blown up so I can replace it. If so, is it simple to do this?
Re: I own a Sharp Aquos LC-37D42U and I connected it to a...
Too bad,
but yes they have an internal FUSE in the power supply board, check it and replace with the exact one, also check if theres another FUSE to replace in the next boards.
Fosg2000
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Yes this is a common problem. You have to have it refered to a TV SHOP. I can fix it for you but in CA. the wiring on the speakers needs to be upgraded to a thicker wire. The gauge is to small for the current needed to flow evenly.
Assuming you are using the internal speakers, check and make sure you have the audio enabled. Some TV sets have a option to turn off the internal speakers. Also make sure mute isn't turned on. If you are using external audio setup, double check your connections.
Unless the item has internal fuse, it is burned up. Look for product manual. Many times, there is a glass fuse rated for unit voltage. Replace fuse. Each fuse has specific markings.
if you have that 6 or 5 volts, that is your stand by, so power supply should be ok. I would think the main board,, check out these guys http://www.shopjimmy.com/ , you can call up and talk with a tech also there. I wouldnt think that the invertor would be the problem, main board all the way
First check your power outlet, try connecting the TV to a different power outlet. Then see whether the LED light on the TV is on or blinking. Anyhow, this might need attention by a qualified service technician.
Look for the fault in power supply board. First check the fuse and replace it if burned. Then it could be a Voltage Regulator chip(s) burned (they look like transistor with 3 pins). You can test it with multimeter, they could have different pin outs, but generally it should read around 5 MOhms in 2 sets of 2 pins. Or it could be bad capacitors, look for swallen or domed capacitors; measure them with capacitance meter, sometimes they dry out with time. Or it could be other parts in power supply.
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