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Inverter board I have a bad inverter board(s) on my Sharp Aquos LC37D40U How many does it carry and where can I buy these replacements? I look forward to your prompt reply Robert Foster

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You can repair that board sometimes by replacing the filter capacitors or you can enter the part number found on a small sticker on the circuit board into google and that should get you avail. parts houses.

Posted on Jun 09, 2008

  • Rusty Larmann
    Rusty Larmann Jun 09, 2008

    Looks like inverter board is part number RUNTA217WJZZ and is about 60.00 plus shipping. You could try to repair yours by replacing 220uf 50v caps and pico fuses at a cost of about 10.00-20.00 (easier to just replace board)

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I have a sharp LC-37D40U that will not power on. The power light blinks 1 time every second. I held the input and volume - button while plugging the TV on and the TV cuts on and then cuts right back off,...


OK if you have blinking red light.

Try to open the cover then disconnect the inverter board after that try to power it on again..

If the light stays in blue (LIT) and of course you don't have picture or backlight you have faulty inverter board that need to be replace.

Nov 08, 2012 | Sharp AQUOS LC-37D40U BACKLIGHT INVERTER...

2 Answers

Hello, I have a sharp aquos 42" lcd hdtv. The set


It could be due to a bad inverter board or backlight.

Aug 23, 2012 | Flat Panel Televisions

1 Answer

Never a problem, even last night. Now, won't turn on. Checked all connects and plugs. Unplugged, pressed 'clear'. Still just a solid red light. Sound comes through fine. Even tried all new batteries.


Tv now turn on,u have a flashing picture only a few sec. than dies have sound left only?Yes,than the tv long board call the LCD inverter board is dead.The tv have 1 or 2 long boards call the LCD inverter boards are dead.These 1 or 2 long LCD inverter boards help the LCD screen panel to have a backlight to produced a picture.Tries websites Shopjimmy.com,Ebay.com to buy those refurbishes 1 or 2 long LCD inverter boards for the replacement.

Feb 09, 2011 | Sharp Aquos LC-37HV4U 37 in. LCD HDTV

1 Answer

My sharp aquos 30 inch tv will not come on. what could be the problem


Hello; I have an similar LC30HV2U for sale in my TV repair shop for $350. This is a 2 piece unit. The AV box and the monitor. I am also a Sharp authorized servicer. In the monitor there are 2 inverter boards on the right side that have an 80 % chance of causing this problem. This set counts "lamp errors" due to one or more inverters not working on startup. Once the set accumulates 5 lamp errors, It will not allow the set to come on. The first thing Sharp tells us is to replace both inverter boards. About $90 each. If those don't fix it the cost will go much higher due to a bad power supply board or bad LCD Panel. Hope this helps, John

Jan 02, 2011 | Sharp Aquos LC-30HV4U 30 in. LCD HDTV

1 Answer

I have a power supply and sound but no picture when i switch the television on i get a picture for a split second then just a black screen with sound


This problems is 100% of those 2 long LCD inverter boards in the tv sides left and right.Those 2 long LCD inverter boards to the lelf and to the right are dead.Those 2 long LCD inverter boards help the LCD screen panel to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those 2 long LCD inverter boards for the replacement.

Nov 25, 2010 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

52inch Sharp Aquos has a constant blue blinking power on light no picture at all.Tried the resets,still the same,installed new inverter boards,still the same.Now what?


This problems is not those 2 long LCD inverter boards problems,why did u replaced those 2 long LCD inverter boards?I fix this problems before for a 46" LCD Sharp Aquos L46D55U tv.This problems,it the Tuner signal board is dead.That the board,where the incomming broadcasting signal cable plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner signal board for the replacement.

Nov 08, 2010 | Sharp LC52D65U 52 in. LCD TV

1 Answer

The picture suddenly goes off, audio still on. Coes back on after turning off then on again. Tried resetting with remote control but problem persists


Turn tv on now,have a picture flicker few sec.than died.Have sound left only?Yes,than the 2 long LCD inverter boards are dead.These 2 long LCD inverter boards help the LCD screen to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those 2 refurbishes long LCD inverter boards for the replacement.

Sep 09, 2010 | Sharp AQUOS LC-40C32U 32 in. LCD TV

1 Answer

Sharp Aquos LC C3234U screen goes black, audio is still good, turn to another channel far away from the intended channel & it will reset. More often as time goes on.


Ur LCD inverter board it dead,replaced this LCD inverter board will get ur picture back.It long board in shape.Tries Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter board for the replacement.

Mar 31, 2010 | Sharp Aquos LC-C3234U 32 in. LCD TV

1 Answer

I have a lc-d45u sharp lcd that i get sound but no picture.


Ur LCD backlight inverter board is dead.Replaced this board will get picture back.Tries Shopjimmy.com,Ebay.com to buy a refurbish LCD backlight inverter board,it a long board shape.

Mar 02, 2010 | Sharp Aquos LC-19D45U 19 in. LCD TV

3 Answers

Sharp aquos model LC-32D40U screen goes black


The Sharp TV model LC32D40U / 41U "Black Screen problem" is a very well known issue. The inverter is losing ground contact which will prevent the back-light from staying on. The solution is to re-tighten six screws on the inverter board. You also would want to clean the copper contacts on then bottom of the inverter where the screws go through. Access to the inverter board will require some disassembly. Plan on taking at least three hours to repair. See the photo for the location of the screws. Use some "blue" locktight" on these six screws. There is actually a Sharp Technical Service Bulletin that describes these screws. Sharp wants you to replace these screws with a newer version. They cost at least $2.50 each! I think my method will work just as good using the "Locktight"_548.jpg_547.jpg

Apr 20, 2009 | Sharp Aquos LC-32D40U Television

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