Horizontal stripes on the TV screen. Faults and repair of LCD TVs

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Horizontal stripes on the TV screen. Faults and repair of LCD TVs
Horizontal stripes on the TV screen. Faults and repair of LCD TVs
Anonim

Any disruption in the operation of electronic devices brings anxiety and discomfort to their owners. And the appearance of various bands on the TV screen or computer display does not at all allow you to enjoy watching content to the fullest. What to do if stripes appear on the screen? To help determine the cause of vertical and horizontal stripes on the TV screen, as well as learn how to fix it, this article will help.

Identification of the nature of the malfunction

First you need to check the reliability of the contact in all connected connectors, check how tightly the wire connectors "sit" in them and whether the connectors themselves are clogged with dust. Next, you should enter the TV menu, perform a full reset and automatic image adjustment to eliminate the possibility of software failures. If after all these manipulations the bands are preserved, thenthe problem is in the components of the matrix or the TV itself.

stripes on tv screen
stripes on tv screen

Due to these faults, both vertical and horizontal stripes can appear on the TV screen, since the causes of their occurrence in most cases are the same. Such breakdowns happen with all TVs, and the products of flagship brands such as Sony, LG, Samsung, Philips and so on are not immune from them. Whatever their price tag, it's just equipment, subject to both internal and external influences.

As mentioned above, a malfunction can manifest itself in various forms. It can be one or more vertical stripes - black, white or multi-colored; color streaks on the screen or horizontal lines of different colors and quantities. We will discuss each individual case in more detail below. This will help diagnose the problem before you call an LCD TV repairman.

Thin vertical stripe

If a narrow vertical strip appears on your TV screen, this most likely indicates a one-time error in the matrix. It can be caused by an elementary voltage drop. In the event of such a malfunction of the LCD TV, do not despair. It is enough to turn off the TV and wait a while. The error will disappear by itself.

horizontal stripes
horizontal stripes

Multiple vertical lines of the same color

The appearance of such interference on the screen has more serious reasons. If one or more single-colorstripes, this means a breakdown of the matrix itself. In this case, it is important to contact the service or call an LCD TV repairman at home, as over time these stripes will grow, and subsequently may occupy the entire screen area. But do not be too afraid of this, since at the initial stage repairs are still possible. In more advanced cases, a matrix replacement will be required.

Multi-colored horizontal stripes, ripples, picture distortions and streaks

The appearance of such changes in the image means the loss of connection between the contact cable and the screen matrix. You can solve this problem by soldering the contacts at the junction. Now there are many materials - articles and video instructions for self-repair of various equipment. However, it should be borne in mind that in them all actions are performed by professionals. And if you do not have the appropriate qualifications, it is strongly not recommended to independently fix the malfunctions that caused the appearance of colored or white horizontal stripes on the TV screen, since although the problem is not critical, one wrong move can significantly aggravate the situation, which in any case will require help. skilled craftsmen.

horizontal stripes on tv screen
horizontal stripes on tv screen

Thin horizontal white stripe

Its occurrence means the failure of the frame scanning of the TV. This can happen due to constant power surges, short circuits or lightning strikes. From this, the contacts are melted, and cracks appear on the board. About how much it can pour outrepair, it will be possible to judge only after the diagnosis of the damaged device by the master.

Black stripes

The appearance of vertical or horizontal black bars on the TV screen, in which not a single pixel is visible, means the failure of the decoder. This breakdown requires the most expensive repair, since the TV matrix in this case is being replaced. If you do not contact the service, then, as in the case above, the defects will grow to the entire screen area.

How to prevent stripes from appearing on the screen?

To minimize the chance of vertical and horizontal stripes appearing on your TV screen, you need to follow a few simple rules. Do not use too damp or wet cloths to wipe the device. Moreover, do not splash it with water or other liquids. It is important to prevent moisture from getting inside the housing, as it can lead to contact closure or oxidation. If there is a need to wet clean the TV, it is better to apply the cleaning liquid directly to the cloth, and then use it to clean the device.

horizontal stripes on the screen
horizontal stripes on the screen

Periodic movement of equipment or other similar impacts can lead to damage to the cables connected to it or their connectors. In addition, there is a risk of the device falling, which can lead, in addition to external, also to internal damage. Repairing such a device can cost more than buying a new one. To avoid this, you need to make sure that the TV is as stable as possible or usewall bracket.

horizontal on tv screen
horizontal on tv screen

You should also periodically clean the inside of the TV from dust, you can use a vacuum cleaner. Dust accumulated inside can lead to overheating of the cable, which will lead to deterioration of contact with further failure of the matrix. This kind of cleaning for the TV is much more useful than dusting the cabinet and screen.

Conclusions

This article contains the most common causes of stripes on the screen. They will help to find out the cause and provide the masters with full information about the nature of the breakdown. If you see horizontal stripes on your TV screen, don't panic. Any damage must be repaired. In almost all cities of Russia there are authorized service centers of major electronics manufacturers, where qualified craftsmen can repair or replace a failed part with an original one. In addition, if a breakdown occurs during the warranty period, repairs can be done absolutely free.

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