Question about Sharp Aquos LC-37G4U 37 in. HD-Ready LCD Television

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How much is a power supply for a 52 inch lcd? how hard is it to replace?

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Very easy,alot of use one on ebay.com.Make sure the power supply board is the problem.These board are good,but hard to return,or will not take back return.$100-120 plus shipping.

Posted on Nov 17, 2009

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Flickering


For Anthony Pitt, The Samsung in your questiobn does not use the same power supply, I found one tip that says to check transistor Q802S on your power supply module, to insure the middle leg of the transistor in not broken from the transistor to the pc board. Thsi can cause erratic behavior. If the screen starts to behave after it's been on for awhile, your issue may be defective capacitors. Be certain none of the capacitors have raised tops. I have had intermittent issues with 46 and 52 inch screens. Failure occurs at the ribbon connector of the lcd screen and is only repaired by replacing the screen. I've found some repair tips on You Tube, but these have not been very reliable.

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Clicking tv wont turn on


you could have several things going on, I would suggest you start with checking the power supply capacitors. If you see any with bulging tops, have them replaced. This is the most common cause of the clicking problems.

Jan 26, 2013 | Samsung LN52A750 52 inch Series 7 LCD...

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It's sharp 52 inch lcd tv. Model is 52SB55U. I could not turn on the tv. There is no backlight, and only the power and opc indicator are blinking. I tried the factory reset, it didnt work. It could be...


Hello,

Check the power supply; look for bad caps with leaking/bulging tops, check to see if you have standby +5vdc at the power supply connector, the front red indicator will not be on if you do not have this +5vdc standby voltage due to shorted out power transistor and zener diode...if otherwise, Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

I hope this will help in solving the problem....

Jun 23, 2011 | Sharp LC-C5255U 52 in. LCD TV

1 Answer

Switching of opc and power light when tv is turned on but no picture


Use a flashlight 2 inches away from screen to see if you see a picture, if so then it's your inverter boards that needs repair or replacing. If no picture then power supply board may have bad caps

Dec 23, 2010 | Sharp AQUOS 52" Flat-Panel LCD HDTV

4 Answers

My samsung t.v. 52 inches will not come on it


My tv is brand new samsung 32 inches lcd. I accidently press power button several times and now i dont see any red dot. when I use my remote control, i see red dot but thats all

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1 Answer

My 52 inch samsung flat screen has a black picture. the tv is on and you can hear it fine, but no picture.


u may have a bad lcd panel or s/t-con board , but first check power supply for bad capacitors

Apr 10, 2010 | Samsung 52 in. Flat-Panel LCD HDTV

1 Answer

1 year ol 52 inch flat screen with new power supply cycling.


Still sounds like a power supply issue would it still be under repairers warranty

Jan 07, 2010 | Samsung Televison & Video

1 Answer

Samsung 52 inch LCD - no turn on just clicking


most likely the power supply board has failed, but it could be the main board as well. call 1-800-samsung for nearest service center.

Nov 25, 2009 | Samsung 52 in. LCD Flat-Panel HDTV

1 Answer

I recently purchased a 52 inch LCD. I have


This could be the speakers are vibrating onto the casing and need padding out more to prevent this.If this isnt the case, you may have a sticking coil on one of your speakers..When the sound distorts, remove one speaker in turn to see which one(s) are the offending unit(s) and replace. Is there a buzzing noise coming from the speakers especially in low volume? If so then you may have a faulty capacitor in your power supply producing hum on sound. Hope this helps :)

Oct 17, 2009 | Toshiba Televison & Video

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