What if there are horizontal bars on the TV screen?
Often people face such a problem thatHorizontal bars appeared on the TV screen. The reasons include different factors. It should be borne in mind that the screen of technology is considered the most vulnerable place, and the appearance of strips is a widespread breakdown. Because of this, the image is distorted, so watching TV becomes uncomfortable.
Features of repair
If the TV screen appearedhorizontal stripes, what to do? In this case, urgent professional repair is required. Masters perform this work quickly enough. First, the type of failure is determined, and then the defect is eliminated. In addition to the horizontal stripes, the masters remove the vertical and color ones.
If the TV screen appearedhorizontal strips, then you need to check the fixing of the cable that transmits the image. It is also necessary to check that the antenna is working properly. Often the problem turns out to be eliminated on their own.
LCD TVs transmit the image according to the following rules:
- the light of the lamp placed in the panel is passed through the LCD matrix;
- its work is controlled by the processor, which filters create a color image.
LCD screens have a clearpicture. They do not have harmful radiation, which worsens people's health. And the screen does not flicker. In the plasma panel, the image appears due to the effect of electricity on a special gas, which turns into plasma and generates a fluorescence of the fluorescent components. Images are created by the processor. In order for the plasma to last a long time, it should not be exposed to the sun's rays.
Types of malfunctions
If the horizontal screen appears on the TV screen, this indicates a malfunction of the equipment. This phenomenon can be accompanied by other breakdowns:
- there is a "snow";
- The screen is turned off, and the sound is heard - the defect is in the backlight system;
- the appearance of spots is associated with mechanical action;
- vertical strips are formed.
Causes of breakage
If the TV screen appearedhorizontal bands, the cause of this phenomenon can be different. It is only the specialist who will help you to fix it. But nevertheless, on some grounds, you can determine the reasons. White horizontal bars appear due to a malfunction with a vertical scan, which is prevented by voltage surges. This defect can lead to the cracking of the chip.
Thin vertical bands indicatebreakage of the matrix. This is also due to voltage drops. If the bands become larger, then the help of the master is required. Color bars characterize the defect of the matrix. Narrow black bars confirm the presence of malfunctions with the decoder. If you do not remove the strip at once, then eventually the screen will go out completely. And the repair price will be much higher.
If the TV screen appearedhorizontal stripes of different colors, as well as ripples, divorces, the cause of the defect can be in detaching the contact loop from the matrix. In this case, it is necessary to solder the contacts. Often, problems are caused by a malfunction of the motherboard. In plasma, this deficiency appears due to the deterioration in the operation of the image control unit.
Protection from strips
If the horizontal screen appears on the TV screen ("Samsung" - the manufacturer, or any other), the equipment must be repaired. But there are tips on how to prevent this:
- Do not allow dust to enter the TV. This can damage the matrix, which is due to overheating of the loop. Dust must be vacuumed.
- Moisture adversely affects the technique, as it leads to oxidation of the contacts, so a short circuit may occur.
- Do not allow mechanical damage to the TV. The equipment should not be on poor-quality brackets.
If the TV screen appearedhorizontal stripes, it is necessary to turn to a repair shop for such equipment. Do not do this work yourself, because without the necessary knowledge and skills can only worsen the breakdown. And then the restoration will be expensive.
The repair price, if the board is burned, is high enough, as a replacement matrix is required. Therefore, you need to trust the work of trusted companies that guarantee quality.