White streaks appear on the TV screen

White spots on the TV screen: why did they appear and what to do

Moisture penetration

If the user is sure that the problem is caused by moisture getting inside the LCD panel, rinse the matrix using a special detergent. It is impossible to use other liquids for the procedure. this will cause damage to the TV, or the impurities contained in the water will remain on the matrix and will be noticeable during operation.

The procedure should be carried out in a well-ventilated area with high humidity. An extractor hood and a humidifier will help create optimal conditions. Use soft cotton gloves to avoid scratching the panel elements. If you do not have the necessary skills, or you are not sure of the final result, contact a TV technician, especially when the TV is under factory warranty.

white, streaks, appear, screen

If moisture penetrates, contact a specialist.

Possible reasons for the appearance

Horizontal and vertical stripes may appear on the TV receiver screen, sometimes various defects may indicate one breakdown. therefore, it is very important to understand as much as possible which bands can occur and which breakdown indicate. There is no such technique that would be insured against failure of any system modules.

Even TVs from world renowned manufacturers like LG, Samsung and Sony break down from time to time. The probable cause of a breakdown can be determined by the nature of the stripes.

There is no such technique that would be insured against failure of any system modules. Even TVs from world renowned manufacturers like LG, Samsung and Sony break down from time to time. The probable cause of a breakdown can be determined by the nature of the stripes.

A vertically located black bar often indicates the presence of interruptions in the functioning of the matrix. The reason for such an unpleasant phenomenon is most often a sudden power surge. However, there is no need to rush to the service center and even more so to disassemble the TV yourself. It is likely that after a couple of days the malfunction will disappear by itself. you need to disconnect the device from the power supply, and after a while reconnect it.

The appearance of one or several dark or light lines appear. the reason for the failure of the matrix. In this case, it is not worth tightening with the repair, since after a short period of time the number of strips will only increase, and their width will increase. If the matrix is ​​not completely broken, then a large-scale repair will still be required. the damage is usually eliminated by a complete replacement of the block.

If distortions appear on the image transmitting device and horizontal colored LED strips appear, then this indicates incorrect operation of the matrix contact loop.

A thin, snow-white horizontal stripe that runs at the top of the screen, in the middle or bottom, usually occurs due to problems with vertical scanning. The cause of such a malfunction is usually a short circuit associated with sudden voltage fluctuations. Due to too high voltage, the contacts begin to melt, and the microcircuit becomes covered with cracks.

The most difficult malfunction is represented by black stripes, regardless of whether they are located horizontally or vertically. Elimination of such a strip requires significant financial investments. Most often, such a defect indicates a malfunction of the decoder, therefore the masters are forced to change the entire matrix. If you do not do this, then gradually the number of black bars will grow, and in addition, they will become wider, making it impossible to comfortably watch television programs and movies.

Stripes from top to bottom in combination with spots of various sizes often occur due to moisture getting inside the TV. in this case, the plasma matrix is ​​destroyed.

Colored lines of a similar direction appear due to corrosion processes that began in the matrix.

What to do with a faulty motherboard or video card?

In the event of a faulty motherboard or integrated video card, the laptop will have to be sent for repair. This is not a cheap pleasure, so be sure to ask for an agreement on the price of the repair.

If the video chip is faulty, you may be offered three options for “treatment”:

  • Warming up the chip is the cheapest option, but with it there is no guarantee that it will help, moreover, the malfunction may then arise again.
  • Reballing a chip is a more expensive method, but if the chip is faulty, this option gives 99% of a successful outcome.
  • Complete replacement of the chip is also 99% successful, but this option is much more expensive than reballing, and it is not a fact that replacing the chip is so necessary.

Important! The motherboard could be damaged due to overheating, oxidation of the contacts, or it could rust slightly from, for example, spilled coffee. The repair options are the same as for the video card, plus some additional measures

If the problem turns out to be global, and besides, your computer model is already outdated, it makes sense to think about buying a new one. Here we offer the following reviews to help you:

  • budget notebooks.
  • convertible laptops.
  • Best gaming laptops.

Thus, in this article we examined the question of how to remove stripes on a computer monitor. Such a problem is not uncommon, so it is advisable for every laptop user to know why it can occur, as well as how to fix it.

What to do when a white streak appears on the TV

Every owner is faced with a problem when household appliances fail. Trouble can happen to the TV. In the absence of the appropriate skills, it is recommended to abandon the attempt to carry out repairs on your own and contact the service center. Incorrect actions can worsen the situation. This can lead to complete failure of the TV.

Incorrect image setting can be one of the main causes of a white band on the screen. If you install it yourself, you can make a mistake that will cause this defect. To solve the problem, you need to start loading settings in automatic mode.

Failure to connect the cables will result in poor signal strength. This causes a horizontal band to appear on the monitor. In this case, disconnect the cables, check their internal condition. Dust or dirt can get into the cavity. If found, it is necessary to thoroughly clean the components, and then reconnect. This will help solve the problem.

Violations in the stable operation of the matrix or frame scan are a more complex problem. If the above methods did not help to fix the problem, you will need to consult a service center specialist. In most cases, specialists will fix the source of the problem and replace the broken part.

The TV is a must in the living room. In many homes, it is also present in the kitchen and bedroom. With inadequate care or poor assembly, owners are faced with the appearance of a white strip on the screen. A few simple guidelines will help you cope with a defect at home.

Vertical pink stripe on the monitor

In most cases, colored stripes on the screen are associated with a breakdown of the monitor matrix. This can happen as a result of failures in the power supply system, falls, shocks and other similar influences or wear of parts. If a vertical stripe appears on the monitor, which is painted in pink or purple, then this more often than usual indicates a malfunction of the scaler. The appearance of such a defect can also be observed on new monitors, but it’s all a factory defect.

Impact damage

Impact or strong pressure on the surface of the liquid crystal panel is a common cause of stains on the CRT. over, the defect can appear not only in the place of exposure, but also creep across the screen. It is impossible to eliminate dead pixels. In this case, you will need to replace the matrix, which you can do yourself.

A dark spot on the screen may appear after impact or pressure.

A high-quality picture of digital television depends on the correct setup of the equipment, a good receiver and the correct operation of the monitor. Over time, even on good models of equipment from Sony, Samsung, LG, white spots may appear on the TV screen. To eliminate them, you need to find out the cause of the breakdown, decide whether you can fix the TV yourself or if you should refer the equipment to professionals.

What to do if white spots appear on the TV screen?

In some cases, to fix the problem, it is enough to carry out simple manipulations at home. It is worth remembering that only professionals can fix most of the faults. Regardless of the place of repair, the reasons for the appearance of white spots include:

impact or pressure on the screen surface

breakage of the blocks responsible for the construction of the image;

Installing new building blocks

A failed picture tube cannot be repaired. In rare cases, it can be replaced.

Attempts to repair yourself in most cases can lead to the need to purchase a new TV. Repair of equipment by professionals will cost 1.5-3 times cheaper.

How to remove white spots on TV manually?

After checking the settings, you can manually clean the LCD TV screen from white streaks. To do this, do the following:

  • Turn off the TV from the network
  • Wipe the screen with a clean, lint-free cloth until no clouds are visible. Run a rag from the center of the display to the edges.
  • Loosen the screws at the top of the rear panel. Often they are tightened too tightly, this leads to the appearance of “flashing”.

Important! When loosening the screws, do not loosen them too much. This can lead to an unexpected “disassembly” of the TV without your participation.

Defect elimination options

If light spots appear on the LCD TV screen, you will need a clean soft cloth and a remote control to remove them. The second thing to do is adjust the TV settings. This can be done by adjusting the backlight and screen brightness:

  • Lower the backlight level to the minimum acceptable level.
  • Disable all auto adjustments that are responsible for the brightness of the image depending on the lighting level in the room.
  • Make all settings manually.

Important! In the process of changing the brightness level, the intensity of the white spots should change. If they remain unchanged, the settings are not the cause of the defect.

Self-replacement of the matrix

If wiping the screen, checking the brightness and contrast settings, and loosening the screws did not get rid of the white spots on the LCD TV screen, you can replace the matrix. It is better to contact specialists for this, but if you have experience with television equipment, you can carry out repairs on your own. For this:

  • Clean up the workplace.
  • Unscrew the screws from the back of the TV with a screwdriver.
  • Remove the protective cover gently.
  • Disconnect all cables and loops connecting the shield.
  • Remove the screws holding the die.
  • Replace the matrix with a new one.
  • Assemble the TV in reverse order.
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Important! It is best to carry out repairs with soft cotton gloves. Disconnect the cables carefully and smoothly. If you damage them during the repair process, you will have to replace them or buy a new plasma, LCD TV.

If your TV is under warranty and white spots appear during this period, take it to a service center. Masters will diagnose, exclude or confirm the presence of a factory defect. Will repair the TV for free or with a big discount.

Black or colored spots and streaks are removed in other ways. The general repair option is possible only in case of system failures, when a reboot of the equipment or restoration of factory settings is required.

Microcircuit malfunction

It is necessary to make sure that there are no ring cracks in the soldering in the microcircuit itself and the strapping. This problem can be the root cause of the problem. If cracks are found, then it is necessary to re-solder the pins of the part.

Then you need to look at the stress distribution. It can be 9 volts or 45 volts, depending on the microcircuit. The component pre-stage is powered low and the output channel is high.

As a rule, the frame scan is powered by the TDKS. But there are TV models that receive voltage from the power supply. So, power is supplied through breaking resistors and is applied to the corresponding inputs. When these resistors break, the TV starts broadcasting a white line. Also, an open resistor may indicate:

  • malfunction of the personnel microcircuit;
  • the existence of any load in the Kyrgyz Republic.

Do you see a horizontal bar on your TV screen? To solve the problem, you need to look for swollen capacitors in the piping, in the output stage, in the power supply of the circuit itself. Usually they have a large capacity: 1000-2000 uF. They can be soldered, or even better replaced.

Broken frame coils

One of the reasons for the appearance of the white stripe is the breakage of the frame coils. This is a very rare type of malfunction. As a rule, they should be replaced to correct the defect.

Why do horizontal stripes appear on the TV screen? If, near the rations on the socket of the deflecting system, the conclusions “turn off”, they should be restored. This does not require replacement of parts. The wires here are quite thick and rarely break. But turn-to-turn closure requires a complete replacement of the coils. Unfortunately, they are very difficult to find on sale. Therefore, the specialist makes and winds them himself, which is very time consuming and difficult. You should also see if the coils at the terminals are soldered.

Horizontal stripes on the TV screen

If streaks appear on the screen, this indicates a malfunction of the TV. It is best to invite a technician who will professionally repair the device. If the owner himself wants to understand the problem, one must not forget about safety precautions.

Why do horizontal stripes appear

The problem that has arisen in the form of horizontal stripes on the TV screen has specific reasons. For example, a narrow white band means that the frame scan is the source of the problem. The problems that caused the trouble could be as follows:

  • Capacitors of the strapping of the personnel microcircuit are damaged.
  • The personnel chip has no power.
  • Cracks have formed in the elements of the RR (frame scan).

If horizontal or vertical stripes appear on the monitor, the following factors may be causing the problem:

  • in case of matrix malfunctions, colored verticals appear;
  • horizontal stripes of different nuances inform about the disconnection of the loop from the matrix;
  • if the matrix makes a mistake, then a thin vertical appears;
  • decoder failure is characterized by black bars;
  • white horizontal means problems with personnel scanning.

In these cases, you need to contact a specialist.

If a narrow white vertical appears on the monitor, this indicates a single matrix error. If the reason is a change in voltage, then after a while the TV is restored and continues the demonstration as usual.

One or more vertical single-color stripes appear due to matrix breakage. A partial repair or replacement of an entire part will help here. Horizontal multi-colored stripes mean that the contact of the loop with the matrix is ​​weakened. Or the connection between them has completely disappeared. To solve the problem, it will be enough to re-solder the contacts.

Decoder malfunctions

The appearance of a white stripe indicates a problem in the decoder of columns (rows) on the matrix. The cause of trouble can be a power surge or a shock during a thunderstorm. If you do not immediately resort to repairs, the bandwidth will increase.

If the decoder malfunctions, it is necessary to change the matrix, and its cost is quite expensive. The part is located on the matrix or on the cable located in front of it. Warming up the junction of the loop with the matrix helps for a short time or does not help at all.

But it is not always necessary to resort to an expensive procedure. Sometimes the problem of horizontal stripes in the TV is:

  • the need to replace the T-KON board;
  • loose position of the matrix cable.

A small surgical intervention will quickly solve the problem.

Causes of malfunction

Of course, it cannot be said that all TV malfunctions are related only to the problems described above. Since very often the cause of any breakdown can be, among other things, the user himself due to careless handling of equipment.

Among the most common malfunctions may be:

  • incorrect settings of the image itself (you can get rid of this if you return the parameters that were set with the original values);
  • poorly connected cables, possibly clogged with dust.

These kinds of problems can always be solved easily, and often on your own. You can wipe the cable, wipe off the dust and make the necessary changes in the settings.

The reasons for the stripes on the TV screen of Philips, Samsung, Sony, LG are often the hardware faults themselves. They can disappear and then come back again. In addition, it can cause geometric distortion of the picture, image flickering, frame sticking or other interference.

Sometimes a malfunction can be triggered by a damaged matrix on LED TVs, or due to burnout of elements on microcircuits.

It is often very important to determine the exact cause of the breakdown. Since if the device is still under warranty, then it can be returned if the malfunction appeared through no fault of the user.

And if a small defect appears, you still shouldn’t try to fix it on your own, so as not to lose the warranty on the equipment, if, of course, it is still valid.

The appearance of a bright strip on the screen indicates a malfunction in the frame scanning system. In order to diagnose this kind of problem, you need to have special equipment.

Possible types of stripes

The stripes on the screen can be of different types: both vertical and horizontal, and they can also differ in color. In both situations, this is, of course, an unpleasant fact, which may indicate that something is wrong with the monitor. Even if the stripes appear only occasionally, this does not allow the normal use of TV. And it may also indicate a malfunction of the matrix, loop or circuit elements.

Depending on the type of streaks that appear on the TV screen, you can determine the nature of the defect.

Any technique can fail from time to time. This only indicates that you should not panic in such cases, but you need to try to calmly figure it out.

Possible types of breakdownsWhat is the problemWhat to do about it
oneNarrow vertical bar on screenIndicates a malfunction of the matrix. The cause of such a breakdown may be a power surge. It is quite possible that in a few days everything will fall into place, the defect will disappear by itself.Unplug the TV and then plug it back on.
2Multi-colored lines verticallyMechanical damage to the matrix or its components.Need repair service.
3Multi-colored stripes all over the screenThe contact cable of the matrix can be damaged or disconnected.It is not worth delaying the repair, so that in the end its cost does not increase anymore. In addition, if only part of the matrix is ​​damaged, the repair will be partial, and in case of severe damage, a complete replacement is required.
fourHorizontal white stripeThe frame scan is malfunctioning, it may be due to a short circuit associated with voltage drops. Cracks on microcircuits.Repair depends on the extent of the damage.
fiveBlack stripe, both horizontally and verticallyThe decoder is malfunctioning. One of the most difficult and expensive breakdowns.A complete replacement of the matrix is ​​needed. When delaying repairs, the stripes will increase.
6Ripples, image distortion, streaks, horizontal stripesProblems with the contact loop of the matrix.Need to solder the contacts or replace the loop itself.
7Multi-colored stripes (blue, purple)Due to a problem with the display controller. This could be due to a defective microprocessor chip or circuit board. As well as various shocks or vibrations.It may require both a complete replacement of the controller and simple heating with an air soldering station.

What to do first

Of course, most men, before contacting the service, are likely to try to fix the problem on their own. Since stripes on the screen seem to be not such a difficult problem, but this is only at first glance.

To start self-diagnosis, first of all, you need to remove the back panel, which is usually held with self-tapping screws, they must be unscrewed all. If the back cover is removed for the first time, then the mounts themselves will be hidden by a black compound, which is the same color as the plastic of the panel itself.

Next, you need to feel that all fasteners are disconnected, and only then remove the cover. Be careful not to break it in case you missed some self-tapping screw. Different models may have different mounts, so be careful. Sometimes even wires can be attached to the panel itself.

When doing this, use a flashlight and check before removing the cover completely.

Here, finally, the long-awaited panel is in front of us, we will consider what to do with it next.

It is better to follow this sequence of actions:

  • Check all large chips on the motherboard. It should be examined carefully for the presence of various cracks, changes in color.
  • Next, you need to examine the microcircuits, contact points. To inspect them from both sides, the boards themselves can be removed from the latches. All adhesions must be complete, without damage, cracks, etc.
  • Check the coil of the power supply board. You need to inspect it for dirt.
  • Next, you need to inspect the loops. Here it is important to check them for kinks, damage to conductors, etc. In addition, you need to carefully inspect the inputs of the loops themselves into the connectors for the absence of traces of dirt and oxidation.
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After that, you need to conduct a careful inspection and make sure that there is no overheating anywhere. This can also be seen from the fact that the case changes color (turns yellow) under the influence of temperature.

In addition, during the check, you need to pay attention to the varnish surface of the boards and its integrity. And already at the end of the inspection, it is worth paying attention to the capacitors themselves. These are barrels that are electrolytic cells and can be of different sizes. If there is something wrong with these details, they become very convex. And the crosses on the foil that are on top of these barrels become very noticeable.

Also removing dust or any other contamination can sometimes completely repair minor damage to the screen.

How to fix a TV if horizontal or vertical stripes appear on the screen

When a user sees stripes on his TV screen, most often he begins to panic immediately. But there are different ways to solve such problems as well. The first thing to do is to determine what this or that streak indicates. And what repairs may be needed.

Recommendations for elimination of breakage

Of course, streaking on the screen is a bad sign, but don’t panic right away. Before proceeding with any checks or disassembly of the TV, you need to pay attention to the cable connection and its cleanliness.

Sometimes users can associate the appearance of white or colored stripes with a bad signal from the operator himself, but this is not always the case.

But in this case, it is definitely worth checking how the antenna is connected and how dirty it is. Perhaps a simple cleaning will be enough in this situation.

You can also check the connector itself, since contact problems may also occur. To do this, you can turn on the USB flash drive in the TV, or simply connect the screen to your PC using a different wire. And if in this case everything will work properly, then you should do a simple cleaning or replacement of the connector.

Damage to the matrix and its components

Probably in the list of the most difficult breakdowns in various TVs, such as LG, Samsung, Philips, as well as in other less popular models, is the replacement of the matrix or cable. Sometimes such repairs can cost the user more than half the cost of the LCD screen itself.

A matrix ribbon cable is a single hardware connection block that is installed using fasteners. An important difference is that the screws or screws from it should be unscrewed in the opposite direction to the one we are used to (counterclockwise).

There are models where the fixing of the connecting cable and related wiring goes on the cover itself. Then, when disassembling, you need to disconnect them carefully and carefully so as not to damage.

Sometimes stripes on the screen can pass as unexpectedly as they appeared. Unfortunately, this is not always the case. So in such a situation, you need to contact the service. Since it is far from everyone’s strength to replace or repair the matrix. Often, users can even refuse to repair in the event of breakdowns of this kind. Especially if this procedure will cost an amount commensurate with the cost of a new TV by about 70-80%. And few people want to spend a similar amount on the repair of a not entirely new TV. Better to buy a more modern model with a guarantee.

Sometimes, due to the breakdown of the matrix decoder, stripes also appear on the screen. In such a situation, you should immediately contact the service center to fix the LCD screen, which will be much cheaper than if you wait some more time.

If the TV is still under warranty, then you shouldn’t even try to fix it yourself, because by contacting a representative center, you can get quality service and the necessary repairs for free. And in the worst case, even the replacement of TV with a new similar model. If the warranty is no longer valid, then you can either deal with the breakdown yourself, or contact a specialist.

Have you had any problems with your TV? What exactly was it and with which TV model? Write your story in the comments.

CRT problems

Image defects on old equipment usually arise due to violation of operating rules or obsolescence of components during operation.

  • In case of malfunctions in the scanner, red, blue, green lines appear.
  • In case of malfunctions of the power supply, color defects appear even and with notches.
  • White people talk about problems with the CRT or its board.
  • Horizontal. denote the failure of the frame scan.

Stripes appeared on the TV screen: horizontal, vertical, black, white

Stripes on the TV screen are one of the common breakdowns on both old and modern technology. Their occurrence is associated with hardware malfunctions, software failure, problematic input signal. Only a competent specialist with experience in this segment will be able to identify the source of the problem. Our service strongly does not recommend trying to repair the equipment yourself, because this method of restoring the device can lead to an aggravation of the breakdown and increase the cost of work.

If stripes appear on the screen, order a TV repair or Moscow region by number 8 (495) 228-42-94 or use the feedback form on the website. Service center “TVFIX” is open daily from 8:00 to 22:00, including weekends and holidays. Diagnostics and recovery is carried out at the client’s home or office. Departure of the master on the day of the request is possible if the application is made before 12:00. To make an appointment, choose a convenient time and day of the week. For services, installed spare parts, an official guarantee is issued.

Have questions? Call us: 8 (495) 228-42-94 or Order a consultation

Stripes on LCD and Plasma Panels

Faults differ in the type of equipment on which they appear (LCD, plasma, CRT).

Before calling the wizard, you need to check:

  • Signal quality. If it is low, an inspection of the repeater or antenna connection will be required. In the second case, remove powerful electrical devices from the antenna element.
  • Check the cable for defects. If everything is wrong with the wires, stripes may appear on the screen.

Stripes differ in type, behavior and situations when they occur. They can also be both temporary and permanent.

  • Vertical stripes on the TV screen indicate the instability of the matrix, its single components. You should not leave repairs for later, since the number of defects will increase up to the complete failure of all modules, including the display, the decoder. Found on technology from Samsung and Sony.
  • Horizontal stripes on the TV screen indicate poor loop connection, oxidation on the contacts, open circuit.
  • The white stripe on the TV appears after serious drops in the network, which causes the contact groups to melt. It is recommended to install automatic switches, RCDs, voltage stabilizers.
  • A black bar on the TV occurs when the display controllers fail or the loop is disconnected. Sometimes the cause of the thin black streak is broken pixels.
  • Colored. indicates a breakdown of the image control unit. Popular on LG.

What to do when extraneous lines appear on the TV?

Screens and their components are considered expensive parts. To avoid large costs, we advise you to immediately contact the professionals of our workshop. We will repair the equipment at an acceptable cost with the provision of a warranty card. Diagnostics must be carried out beforehand.

Our clients also receive other benefits:

  • The customer does not need to spend personal time and money on delivering the monitor to the workshop of our service.
  • Works of any complexity are performed at home using specialized equipment.
  • Original spare parts, proven analogs for the restoration of well-known models are available in our own warehouse.
  • Components are offered at competitive prices, as they are purchased from large suppliers in bulk.
  • A qualified employee with education and practical experience comes to the call.

Please note that the exact price of repairs is negotiated after carrying out diagnostic measures, since it is impossible to visually determine a specific defect. Preliminary are indicated by phone. They will vary depending on the complexity of the repair and the quality of the new parts. To clarify the nuances of cooperation, you can call the master at 8 (495) 228-42-94 or online.

In case of damage to the matrix and its components

Suddenly appearing lines also indicate this problem. Such a nuisance, as a rule, appears due to a short circuit or mechanical damage. It so happens that after a couple of days, the stripes pass by themselves, but if 5-7 days have passed, and the defects remain, then this indicates a serious problem with the technique. It is very difficult to replace the matrix on your own, therefore, such repair work should be carried out exclusively in service workshops. However, the cost of such services usually reaches 70-80% of the price of a new TV set. That is why, to begin with, be sure to find out how much the restoration will cost you, and only after that make a decision whether to agree to repair or refuse it. It is possible that service will be simply unprofitable for you.

If you notice thin lines of dark color on the screen of a television device, it means that the matrix decoder is out of order. Their width will only increase over time, so there is no need to delay the repair. it is better to immediately contact the masters, and to do this the sooner the better.

In some cases, all conductors are compact and lightweight, so it is likely that during work you will damage one of the existing conductors by careless handling. For work, you will need not only professional skills, but also the appropriate tools: magnifying magnifiers, an IR soldering station and some others.

Stripes and other defects on the screen surface can be the result of both minor and serious breakdowns, so users often face the question of whether it is worth doing repairs on their own. Yes, when it comes to stripping, for example, a cable from the current. But you do not need to replace any important system modules at home. the risk that you will permanently disable the equipment is very high.

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In any case, it is wiser to contact a qualified craftsman.

Stripes on the TV screen: causes and elimination of breakdowns

The appearance of stripes on the TV screen is one of the most common defects, while stripes can have very different directions (horizontal and vertical), as well as differ in color (most often black-and-white, blue, red, gray, almost transparent or multi-colored) In any case, their appearance directly indicates a hardware malfunction of the TV receiver, this may be the result of mechanical shock, short circuit or system failure.

In our review, we will dwell in more detail on clarifying the causes of such breakdowns and give recommendations on what to do to the owner of the equipment if he is faced with such an unpleasant situation.

How to remove stripes?

The presence of any stripes on the screen interferes with the comfortable viewing of films and programs. Corrective actions directly depend on the origin of the problem. So, if the stripes appeared after the TV fell, or as a result of an impact, then in this case, damage to the LCD crystals and their joints, as well as the transparent inner glass, usually occurs. In this case, replacing the internal elements of the matrix will not work. the panel must be replaced completely.

Possible reasons for the appearance

Horizontal and vertical stripes may appear on the TV receiver screen, sometimes various defects may indicate one breakdown. therefore, it is very important to understand as much as possible which bands may occur and which breakdown indicate.

There is no such technique that would be insured against failure of any system modules. Even TVs from world renowned manufacturers like LG, Samsung and Sony break down from time to time. The probable cause of a breakdown can be determined by the nature of the stripes.

A vertically located black bar often indicates the presence of interruptions in the functioning of the matrix. The reason for such an unpleasant phenomenon is most often a sudden power surge. However, there is no need to rush to the service center and even more so to disassemble the TV yourself. It is likely that after a couple of days the malfunction will disappear by itself. you need to disconnect the device from the power supply, and after a while reconnect it.

The appearance of one or several dark or light lines appear. the reason for the failure of the matrix. In this case, it is not worth tightening with the repair, since after a short period of time the number of strips will only increase, and their width will increase. If the matrix is ​​not completely broken, then a large-scale repair will still be required. the damage is usually eliminated by a complete replacement of the block.

If distortions appear on the image transmitting device and horizontal colored LED strips appear, then this indicates incorrect operation of the matrix contact loop.

Most likely, the contact has weakened, since if it had completely departed, then the video content would not have been able to broadcast. Usually, such a breakdown is eliminated by re-soldering the contacts or completely replacing the loop with a new one.

A thin, snow-white horizontal stripe that runs at the top of the screen, in the middle or bottom, usually occurs due to problems with vertical scanning. The cause of such a malfunction is usually a short circuit associated with sudden voltage fluctuations. Due to too high voltage, the contacts begin to melt, and the microcircuit becomes covered with cracks.

The most difficult malfunction is represented by black stripes, regardless of whether they are located horizontally or vertically. Elimination of such a strip requires significant financial investments. Most often, such a defect indicates a malfunction of the decoder, therefore the masters are forced to change the entire matrix. If you do not do this, then gradually the number of black bars will grow, and in addition, they will become wider, making it impossible to comfortably watch television programs and movies.

Stripes from top to bottom in combination with spots of various sizes often occur due to moisture getting inside the TV. in this case, the plasma matrix is ​​destroyed.

Colored lines of a similar direction appear due to corrosion processes that began in the matrix.

If you have problems with contact

As we mentioned earlier, vertical stripes on TV screens often appear due to poor contact quality. Basically, this happens if the TV is initially assembled incorrectly. In addition, it is possible that the owner of the equipment did not follow the rules for operating the equipment. even an incorrect cleaning of the panel often leads to defects.

It is very easy to find out whether it was contact problems that were the catalyst for the appearance of lines. A simple visual inspection is usually sufficient. Any irregularities in the connection points are visible to the naked eye: oxidized contacts look green.

If the wiring is oxidized, then you can clean them with a knife, blade or any other sharpened improvised tool.

Keep in mind: if the scale of the defeat is too large, it will be extremely difficult to cope with such a malfunction. After you remove the plaque, you definitely need to check the voltage, for this, the contacts are called with a multimeter.

Replacing the loop

Another common reason for the appearance of stripes on the TV display is the breakdown of the matrix cable. Such a defect is very easy to identify, for this you need to slightly move the train or slightly press on it. If at the moment of contact the defects disappear, therefore, the cause of the malfunction is diagnosed correctly.

In order to correct the situation, you should take a magnifying glass, and then use it to find the area of ​​damage to the loop wiring. Keep in mind that it will not be easy to do this. such a repair is a very painstaking and almost jewelry work. The restoration of the coating takes place by heating the contacts to a certain temperature or using a conductive varnish. It is best to entrust this work to professionals, because even the slightest overheating often leads to an aggravation of the problem.

Sometimes it turns out that not only the wiring of the equipment is damaged, but the entire loop. This means that you will have to completely replace this part.

The matrix cable (from the point of view of the TV design) is a hardware connection block. In order to remove it, you need to untwist the television panel and take out some of the parts. Almost all manufacturers install standard fasteners, for this reason, the bolts must be unscrewed strictly against the natural direction of movement of the clockwise. In some models, the connecting cable and related wiring are fixed directly to the cover, in this situation, during the parsing of the TV, remove the parts very smoothly. so that nothing in them is damaged.

Diagnostics

In fairness, we note that the appearance of stripes does not always indicate a serious malfunction and does not mean that the TV should be carried to a professional craftsman as soon as possible. Sometimes they occur due to the user’s negligence, this may be due to dust getting into the device or incorrectly set image settings. Both problems can be solved independently.

In any case, first of all, you should conduct a self-diagnosis.

To do this, go through the menu to the TV settings. Then select the “Support” option. In it, click on the “Self-diagnosis” block. Then it remains only to start testing the image.

If the reason why stripes appeared on the TV screen is of software origin, then the system should be flashed, for this a series of sequential manipulations are performed:

  • connect the TV receiver via cable or Wi-Fi to the Internet;
  • in the opened settings, find the “Support” block;
  • select “Software Update”.

After that, the system will automatically start checking for correct updates. It is imperative to wait until it finishes downloading, as a rule, the time directly depends on the speed of the Internet connection.

After installation, the TV needs to be rebooted.

Prophylaxis

As you know, any problem is easier to prevent than to fix it. In the case of the appearance of stripes on the TV, this rule works 100%, therefore, in the conclusion of our review, we will give several recommendations that will help prevent the appearance of such unpleasant defects on the display of your TV.

If moisture gets into the TV, then first of all it is necessary to disconnect it from the mains to prevent a short circuit. All damaged elements must be allowed to dry thoroughly, usually it takes about three to four days, depending on the amount of liquid that has entered.

Drying can usually be accelerated by placing the unit outdoors, in direct sunlight, such as on a balcony.

Do not move the TV often. this causes various damage to the cable or connectors, which, of course, will affect the quality of the image displayed on the screen. In addition, it is necessary that the unit is firmly fixed.

No dust or dirt should accumulate on the TV receiver. This causes overheating of the loop and, as a result, deformation of the contacts. In order to get rid of such deposits, it is advisable to use a special technical vacuum cleaner.

For information on what to do when streaking appears on the TV screen, see the following video.

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