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OLEVIA 540-B11 42" LCD-Inverter supposedly shot craps

Talked to Olevia tech support-this was their guess as to what happened. Have audio but no picture. The TV is slighty over 2 years old, and in my mind this thing should not ave shot craps already. They say inverter itself cannot be replaced, but I find that hard to believe. I have removed the back panel off tv, and see all kinds of circuit boards, etc. I have no diagram so I am not sure where the inverter would be located.

Any ideas if inverter itself can be replaced; and/or get a diagram or manual showing where this board is located?


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  • wtompson Jan 29, 2009

    I bought the TV from the HSN. In less than a year the screen went black. It has sound, but no picture.


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Ok I'm Not an expert on Olevia's but I've done enough LCD Tv's to know a few things. The inverter boards are usually located on the right and left side edges at the back of the chassis. They usually run from the top to the bottom and have multiple connectors coming out to feed the backlights in the LCD panel. I can believe Olevia might not supply them (most other companies do) except as a part of the LCD panel. In some cases, the manufacturer of the LCD panel (Olevia does not make their own panels) does not supply the boards separately to the company making the set..In terms of getting a diagram, the panel maker (probably chinese or korean) probably has one, but Olevia may not. Your best bet would be to keep an eye on a site like this one:
They get scrapped TV's and remove the inidividual boards for resale. I have already checked and they don't have the board you're looking for right now, but that can change. Sorry I can't be of more help!

Posted on Nov 07, 2008

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Olevia intro comes on but then picture goes blank but sound is on

Ur LCD inverter board is dead.Replaced this board will get ur picture back.Tries websites, to buy a refurbish LCD inverter board for the replacement.It a long board in shape.

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Ur LCD inverter board it dead,must replaced to get picture back.It usally a long board inside the tv.Tries, for the board part.

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The backlight inverter board can be bad or the power supply for the inverter board is bad. Check the power supply first since it is easier to get to than the inverter board.
Please post back what you find.

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Olevia tv

If an LCD TV has sound but no picture do the following:

Use the source button to ensure that source is not set to the wrong input.

Try unplugging power cord for ten minutes, to ensure it is not a setting problem.

Check all the video cables at the back of TV.

Check Light /Color settings.

If problem persist and does not depend on external receiver or settings, then it is likely an internal fault.

If it has sound but no picture then one of the following parts is faulty, and must be tested and replaced:

The inverter is the high voltage board that provides variable power to the backlight lamp. This is the most common. When inverter is faulty you can get no picture, or a very dim picture that can only be seen by pointing a torch light with a 45 degree angle on the LCD surface from very near distance.
The inverter must be tested by reading voltages with a multimeter.

The LCD ribbon cable/LCD display and connectors.
This is quite uncommon, but happens. If the TV had been hit or moved the LCD cable may have slipped out, or the LCD connector may be damaged.

The LCD controller board.
This is the board that controls the video signal, it is difficult to test, as there is need to read determined values on IC pins. To test this board you need to purchase a service manual and follow the troubleshooting diagrams on service manual.

Input/Output Signal boards.
This are the boards where you connect the video and audio cables, if a signal board is defective, then you may get no picture on particular inputs located on faulty board.

If under warranty contact the manufacturer ringing the number on the user manual.

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |

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Hi, did you try the suggestion I gave it to you in live-chat-session? Please let me know.

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Does the menu display?
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OLEVIA 540-B11 42" LCD-Inverter supposedly shot craps

Hi , I had the same problem but a got the power inverter from somebody, here in denver for $260 brand new , if somebody needs this part, contact me and I will send the information , also please write the part number

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