Dark spot on the LCD TV screen

color spot Any LCD TV, even the most expensive and proven as a reliable technology, may be faulty or deteriorate quickly if it is misused. In this article we will try to understand and find out what to do if there is a dark spot on the LCD TV screen.

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The main causes of the appearance of dark spots on the screen

Such "blots" and points often appear at first slightly visible and inconspicuous, and then grow and interfere with watching TV, distorting or closing the panel. In this section we will try to understand the causes of the malfunction.

Dark spot on the LCD monitor

Often, a dark spot formed on the liquid crystal coating indicates the malfunction of the most important part - the matrix. Basically, these are factory defects.

So, here are the main reasons for the appearance of dark spots on the TV screen:

• The defect appeared in the factory itself. If you purchased an LCD device and found a dark growing spot on it, immediately bring the device back to the store, provided that the warranty is not exhausted.
• The screen is accidentally pressed or struck on it. Most likely, it's your fault and the guarantee will not help you, but you can try.
• Other damage to the coating.

Dark spot on the plasma

The appearance of a dark unpleasant spot on the TV screen with a plasma screen indicates a malfunction of the blocks themselves, the edited image. Most likely, these blocks have already worn out. Also in rare cases, the device manufacturers themselves are to blame.

Black dots on the kinescope model

Such "blobs" often appear on such a model, the most common cause is the scattering of the phosphor on the inside of the monitor. He also provides watching TV channels.

This defect occurs as a result of impact, pressure, falling of the picture tube or its deterioration. It can only be helped by the replacement of the kinescope itself, but it costs a lot of money. It happens that it is impossible to change it. Only the purchase of a new TV will help.

Important! Remember that if the warranty on the equipment has not yet come out and may still be in effect for some time, then immediately contact the service center in your city and hand over the equipment on the guarantee sheet.

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What if there are black spots on the LCD TV?

As mentioned above, in most cases, the appearance of a dark spot on the LCD screen of the TV is a factory marriage.

Most likely, these pixels are "dying" from the wrong installation of the LCD screen. Usually, black spots of this nature increase in size over time.

Here are some tips on what to do if you see such "blobs" on your LCD screen:

• In case the warranty is exhausted, try writing a letter with claims to the manufacturers. In extremely rare cases, in order not to drop their reputation, plants can replace faulty machinery.
• If you are refused, then we recommend you to buy a new technique, because the repair of the screen often exceeds its price. In general, it's up to you.

Important! For the future: to ensure that the warranty period and the obligations of the manufacturer worked for sure, buy the technique of proven firms. In general, these are brands such as SAMSUNG, LG, SONY, PHILIPS.

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The appearance of the color spot

It also happens that for no reason, on the monitor there are colored stripes and "blobs", terribly distorting the image. Such a story occurs only with old kinescope models.

When you see the appearance of such spots on the TV screen, do not rush to run to the store, take equipment or write angry letters to manufacturers, because such a problem is very simple to eliminate yourself.

Let's look at the causes of the problems:

• The kinescope is demagnetized. This problem is the most frequent and fix it very easily.
• Frequent and sharp on and off of the TV.
• Place close to the device powerful devices that form strong electromagnetic waves. For example, speakers, a computer, sometimes even a phone.

So, we sorted out the reasons, but what can we do to make the strange glow disappear? Calling the master at home is not necessary, the whole problem can be fixed on your own:

• The most popular and easiest way is to switch off the appliance from the outlet for several hours and turn it on again. If the problem persists, try again. For prevention, this procedure can be done once a month.
• If the above method does not work, most likely you have a posistor burned. In this case, it is necessary to replace the thermistor with a working one, and this is not an easy thing. We recommend that the master be involved in this matter, so as not to break his technique.

In the proposed article, we figured out the causes and ways to eliminate various spots on TV screens of any shape and size. Remember that even a well-proven technique requires special vigilance.