Question about Sharp AQUOS LC-40C32U 32 in. LCD TV

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Ok.... I got a new power supply board and the tv is still doing the same thing. (Sharp Aquos 37in LC-40C37U) So if it is not the power board then what could be wrong with it. I'm getting no power and only that blinking light.....Help

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  • Sharp Master
  • 736 Answers

The pattern of the blinking is a code. If the power light is blinking by itself once per second or thereabouts it could be loose connection to Inverters, reload firmware, Inverter Unit or LCD Panel.

Posted on May 06, 2010

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The most common issue on these is the power supply boards. Bad capacitors on these boards are the issue and there are repair kits available if yur qualified for the repair other wise you can get new boards and swap them out. This is the most common issue in the business right now. Sharp sets are a little different in ther design on the power supplies but parts can be had and repairs can be made. You will need to balance the price for the repair vs a new set. Just Google TV power supply repair kits for Sharp Aquos and you will find repair kits and information on the power supplies.
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If my Sharp Aquos 37in LC-40C37U tv needs to be reset how would I do that? Not getting any power, only a green blinking light. The power supply board checked out ok.


Blinking light is an error code. Count the blinks before they repeat. Check your manual in the troubleshooting section. If you can't find it, contact a Sharp service center or try and get a service manual. Reset info is also in the user manual but you can't do it if your set doesn't power up. Are you sure about the power board?

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1 Answer

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Free diagrams unlikely to be available take the board's out and check for blown capacitors following good antistatic procedures and decide from there
Or find a good independent repair specialist to do the work and set your self a budget
My sharp aquos stopped working with a blinking power light £2000 was the repair quote for a new board and LCD panel for a £699 TV after they tried the capacitor replacement

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Good day sir/maam, chances are, yes or no, yes, the surge do has the ability to damage your TV, but no, modern TVs are autovolt (it can work from 90v-240v) so check the manual or back panel to confirm. The most deadly part of the surge is it can hit more than 500v at a split of a second, damaging your TV's switching power supply. The TV's power supply is bad. it cannot produce the proper voltage to power your TV. thats why its on standby. Bring it to your dealer for proper advice on the status of your TV.

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