Question about Toshiba 32AV500U 32 in. LCD HDTV

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My backlight inverter is fried, how do I fix it? how much should it cost?

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TV under warranty or not?

Cost more for the labor 90 to 120 than the part which is possibly between 50 to 100

Posted on Nov 19, 2009


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Parts needed for VIZIO TV with backlight out

You can fix it if you have some repair experience, you will need the power inverter board and/or the backlight lamps of the LCD screen, first try the power inverter board, the function of it is to up the voltage from 12/24/48V to a 800-1500V needed for the LCD back lamps.

Nov 17, 2014 | Vizio XVT473SV 47 in. LCD HDTV

1 Answer

Possibly fried screen

This is probable the lcd backlight inverter. If you have sound then look at the screen up close with a flashlight and see if there are images. If you can see images then the back light has problems and it is most likely the inverter.

Nov 18, 2013 | Toshiba 26LV610U LCD TV

1 Answer

Monitor cuts out after a few minutes

Sounds to me like a power inverter. Fix it yourself with the parts found on Ebay at a cheap cost to yourself. The entire Dell E173FP 17" power inverter is selling for $29.99 plus shipping.

The fix can be found at:

Cheers and good luck!!

Nov 05, 2010 | Dell E173FP 17" LCD Monitor

1 Answer

Received new backlight inverters 6632L-0348b and

I wouldn't unless you're sure they match the particular model. Each of them are different depending on size of set. This can be verified by seial number version(ya1b, ya3b, c and so on). If you were to try this you might fry the backlight, requiring a replacement panel. They supply different voltages........Please be careful, can be lethal, 1000vdc or more........Good success, Meder's Tv

Jan 16, 2010 | Philips 42PFL7432D 42 in. LCD Television

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Backlight on screen doesn't work. I can see an

It's usually the inverter...not the backlight.

You need to take off the front lcd bezel and look below the lcd, that's the inverter. Match up the part numbers with another one on ebay, swap it, and you're good to go.

Probably cost you 10-20 bucks.

Nov 21, 2009 | Toshiba Satellite L25-S119 Notebook

1 Answer

I have a 42'' plasma is it worth fixing it

Definitely worth fixing. You may be able to locate an inverter on the internet. Try ebay first. Have seen the inverter for that set for under $50.00

Sep 25, 2009 | Vizio P2 42 in. HD-Ready Plasma Television

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Viewsonic VP2130B no Video

First off, on these monitors, usually the power board is also the inverter board. If its not on this model monitor, and you know that by opening it up and seeing the backlight cables connected to a different board, than that may be the problem, but it might not be.

Secondly, Why did you replace the power supply? Were you not getting anything? power light? anything at all?

If you were getting the power light, but no picture (black screen), something else was most likely the problem.

Your problem is probably the backlight. It sounds like its out. Does the backlight come on at all? If it doesn't and you can faintly see an image if you look closely or if you press the menu buttons and see a faint change in the screen, thats the problem. Normally I would say its either the power board OR the backlight, but you say you replaced the power board. You need to replace your backlight. You can do that a couple different ways:

1) Replace the whole LCD panel. This is a costly fix, so if you are adventurous and cheap like me I would advise against it.

2) Replace the backlight panel. You need a screen like yours that is broken, but has a good backlight. That way you get it cheap, because its broken and beyond taking everything apart and putting it back together again, its relatively simply.

3) Fix the backlight you have. There are tutorials on how to do this online, but its harder and more dangerous (mercury and toxins that can cause lots of damage). I wouldn't do this, but if you want to I would suggest doing it in a place with lots of ventilation.

There could possibly be a problem with your mainboard, especially if you see no image AT ALL and you don't see a backlight. If your power board/inverter and backlight are fine, you should see the backlight on, regardless of the condition of the mainboard. If you see the backlight, then the mainboard is the problem. If your power board failed, and the power light wasn't coming on before, its possible that the board fried your mainboard and potentially your backlight (although damaging your backlight is rather unlikely).

In any case, good luck to you!

Aug 13, 2009 | Computers & Internet

2 Answers


Unfortuantely at this point, replacing the LCD or replacing the laptop will be your choices. Try ebay for parts to your laptop if you want to attempt replacement of the LCD. You may get lucky and find a dead laptop that is the same model as yours where the LCD still works; otherwise, replace the laptop. If you send it back to Lenovo (the company who deals with IBM's laptops now) it will cost you about as much as buying a new one to fix this one.

Feb 22, 2009 | IBM ThinkPad A31P Notebook

1 Answer

MY screen is extremely DIM, What Do I do???

Sounds like you need the backlight in your display panel replaced. Unless you know how to replace it yourself. You will need to take it into a repair shop. Quick check.. if you have a monitor plug it into the back of your laptop. Hit the fn + display key.. one the (f)function keys you will see a symbol resembling a monitor. If the display is good on the monitor. It's most definitely your backlight. Now in some cases the inverter may go bad so both have to be chacked. About the cost the backlight are not that expensive from $20 & up. The inverter is a little more between 38-70 bucks. Prices vary. But the replacement of either may be costly. Check around a few local shop and ask what the cost would be to replace the backlight and or the inverter for your model #. They will probably want to diagnose themselves to be sure that is the problem. Some shops give free diagnostics..then some do not. Also askif they determine it's definitely the backlight is youronly problem you can ask if you purchase the part(s) how much would they charge to put it in. Check this out step by step how to help instructions_en,ibm.shtml Good luck

Sep 13, 2007 | IBM ThinkPad T30 2366 Notebook

1 Answer

HP Pavilion xt1170

- lcd backlight inside the lcd, or the inverter itself. Can you see a very faint image? - Very hard to tel if it's backlight or inverter, or both. Each part costs about $30. Backlight: inverter: ebay Labour is not included, but will cost roughly $75. Still much cheaper to repair than to buy new parts from nanufacturer.

Aug 16, 2007 | HP Pav ZT1170 Monitor

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