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My LG lcd tv internittenly shows black horizontal lines across the top 6 inches of my screen. The rest of the picture is unaffected but it is very annoying. It seems cheaper to replace the tv rather than fix it. I've only had just over a year which was when the warranty expired. I want to fix it rather than replace it. What cost effective measure can be taken to fix this problem?

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  • garytreacy34 Apr 07, 2011

    is this always the case when there's no physical damage to the screen. What are the odds of replacing the board that it'll fix this annoying problem?

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Hello Gary,

Sorry for the delay in replying to you, but there has been a technical fault and we have not been able to answer questions.

The most economical way to have your TV fixed is by the manufacturer at their cost. While the warranty may have been for only 12 months, your rights as a consumer may supercede the manufacturer's warranty. I don't know where you are located, but in the UK all goods sold, must be:

- Of satisfactory quality
- As described
- Fit for purpose and . . .
- Last a reasonable length of time.

It's hard to consider a TV costing several hundred pounds (or dollars) being of satisfactory quality or as having lasted a reasonable length of time. In the UK, you have up to 6 years after buying the goods to make a claim. If this was my TV, I would be pursuing LG for repair at their expense.

Obviously, if you are not in the UK, your consumer rights may be different, but if you have not donw so, you should check the terms of your warranty as it may be longer than 12 months. Many TVs have warranties of 2 years or more.

The next most cost effective way to fix your TV is to buy the replacement components and fit them yourself. In the case of LCD TVs, in most cases this involves switching one of the boards inside the TV. Most boards can be bought new or you can save more money if you buy used, tested components from a retailer like ShopJimmy. ShopJimmy obtain faulty TVs (like yours), strip the working components, test them and re-sell them - usually at a substantial discount on the price of new components.

US - http://www.shopjimmy.com
UK - http://www.shopjimmy.co.uk

Enter the model number of your TV into the search box and you will get a list of all available components for your TV. You can also back-order out-of-stock components.

If you're planning to fix it yourself, the other useful things to have are a service manual and a friend who's good with electronics if you aren't. Changing a board in a TV is mostly a case of opening the back, removing the failed component and installing the new one. Usually no more than a selection of screwdrivers is required for this - no soldering is needed.

TVs contain high voltages so professional repair is advised, but many people have repaired their own TV by switching out a board with no previous experience of TV repair. On a difficulty level, it's about the same as replacing the motherboard in a desktop PC.

Service manuals are invaluable for 'novice' repair as they vital information on dis-assembly, discharging high-voltage components and the locations of the boards. Many service manuals are available free or for a small charge if you know where to look. If you can let me know the model number of your TV, I should be able to point you in the right direction . . .

Hope this helps. If you like further assistance, please let me now how I can help you further and include the model number of your TV and your location. You can reply to me by clicking on "Add a Comment" below your question.

Regards,
BElectric

Posted on Apr 06, 2011

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