Samsung Tv Takes A Long Time To Turn On
Tv turns on for a long time: main reasons
As a rule, the process of turning on the TV takes no more than ten seconds. Over time, some users note an increase in turn-on time to a minute or more.
Even if the TV works fine after a long time, you should understand that something is wrong with your device. If possible, you should contact the service center to avoid more serious troubles. Modern television technology is the most complex electronic system, with a huge number of interconnected elements. For example, if one failed capacitor is not replaced in a timely manner, later this can provoke the final failure of the entire device.
Experience shows that there are several main reasons why the TV turns on for a long time:
- The resource of the cathode-ray tube is exhausted (only for CRT models);
- Malfunctions in the power supply;
- Failure of the inverter;
- Problems with the image scanning system.
Why does the TV turn on for a long time
Most of humanity spends their evenings in front of the TV. So you come home, turn on the TV as usual and notice that the image appears much longer than usual. Why is this happening? Is this a malfunction and what to do in this situation?
Faults in the power supply
The power supply unit converts the energy of the electrical network and distributes it to all elements of the device. This is the heart of the TV. There are two types of faults in the power supply. Some are associated with the development of a resource, others with the failure of individual components.
Almost all power supplies contain electrolytic capacitors, which eventually lose their capacity. As a result of this, the time for supplying power to the component parts of the device increases, and accordingly the switching process.
In addition to the natural aging process of the elements of the power supply, its components often fail due to voltage surges in the power supply. This circumstance can lead to an extended turn-on time of the TV, and may also be accompanied by extraneous noise during operation and image flickering.
Faults in the power supply unit over time can lead to failure of other elements of the device and its final breakdown.
Failure of the inverter
The inverter is responsible for the operation of the backlight system in LCD TVs. It controls the brightness of the LEDs. When the inverter fails, the intensity of the screen luminescence is disturbed or the time for the appearance of the image after switching on increases (the sound can appear much earlier than the picture).
Scanning system problems
The image scanning system consists of line and frame scanning, and as the name implies, it is responsible for the direct construction of the image on the screen. Problems in the operation of these elements are also signaled by: instability of the image on the screen, absence or incorrect display of pixels of some rows or columns.
The indicator is on continuously
If the LED is on, this indicates that the control unit is receiving power. If the TV does not respond to signals from the remote control, the first thing to do is try to turn it on directly using the panel buttons. Perhaps the malfunction lies precisely in the incorrect operation of the remote control, and not the TV itself. If this is the case, the following actions should be taken:
- Check the health of the batteries and contacts for oxidation.
- Make sure that the emitter is intact and that the remote control buttons are not sticking.
- If possible, disassemble and clean the remote control inside from dust.
- If the remote control was flooded with liquid and stopped working, return it for repair or purchase a new one (preferably the original one will last longer).
If it was not possible to start the TV from the panel, two scenarios are likely.
The indicator is off, the TV does not turn on
Such symptoms most often indicate that the cause of the malfunction is the lack of power. If the light bulb just burned out, the TV would work normally, but without indication. Do not worry ahead of time and call the master. Initially, you must exclude all variants of the problem that are available for self-correction. Over, in a large number of cases, the problem is caused by rather trivial reasons, including:
- There is no power in the electrical outlet. The circuit breaker in the dashboard may turn off, or the outlet may be faulty. It is checked using a conventional indicator screwdriver or a tester. If there is no power supply, the machine is inspected. Even if it is on, it is better to click it several times. Did not help? You need to look for the problem in the outlet or wiring yourself or with the help of an electrician.
- A defective extension cord (if connected through it). When a direct connection to the outlet ensures the normal operation of the TV, and there is no power through the extension cord, it is in it. If it is a power filter, you need to check the power button and fuse. In any case, a working device is required to fix the problem.
- The Network button on the TV is off. On almost all models of modern TVs, when the Network button is disabled (it can be located on the bottom, side or on the back of the TV), it becomes impossible to control the device from the remote control. It is necessary to activate the On / Off button on the control panel.
- Wrong mode selected. In this case, the TV works absolutely fine, but if one of the modes is not used, for example, AV, PC or Receiver, the screen dims and can enter sleep mode. Select the TV function again and the image will return.
- Malfunction of any part. It may be a microcircuit or a capacitor, or perhaps a power supply or control system (for example, a button has broken). It is better to entrust the testing of the performance of various components of the TV and the implementation of the necessary repairs to the specialists of the corresponding service center.
- Blown fuse. For CRT TVs, this is the actual reason for the lack of power. If it is located in an accessible place, it is quite possible to replace it yourself.
Common causes of malfunction
The problem can manifest itself in several ways and is shown by the following possible symptoms:
- Led indicator flashes but TV does not turn on.
- The indicator lights up red, and the device is not controlled from the remote control and does not turn on at all.
- The indicator does not light up, and the TV does not turn on from the remote control.
- The TV clicks, hums, makes strange sounds, but does not turn on.
Why the TV won’t turn on, and what action to take?
Like any technique, it is common for a TV to malfunction, and regardless of the period of its operation. For example, in some cases, the TV does not turn on, but the indicator blinks and the relay clicks. Many other symptoms are also possible. So, let’s look at why the TV does not want to work, and what to do in certain cases?
Common causes of malfunction
- Indicator flashes
- The indicator is on continuously
- The indicator is off, the TV does not turn on
- Extraneous sounds when the TV is not working and there is no indication
- Tv does not turn on, protection is activated ()
Extraneous sounds when the TV is not working and there is no indication
Sometimes TV owners are faced with the fact that there are clicks or other sounds inside. Symptoms may vary:
The most common causes of clicks on TVs are:
- Interlocking system actuation. In the event of some types of malfunctions (power supply or other units), the protective function is activated. It is designed to avoid more serious damage in the event of a malfunction. It is the blocker that emits characteristic clicks when the TV tries to turn on.
- Heating and cooling of the plastic parts of the case. So, even a working TV can click.
- Giving a signal about an activated (long not used) operating mode for the selected source. At the same time, TVs can beep or whistle.
- Excessive load on the power supply. The cause could be a transformer, microcircuit, or transistors. In this case, the TV does not turn on at all. You can’t do without a qualified master here.
In this case, the TV may try to start, but after a few seconds the screen goes out, or it does not turn on at all. The main cause of this problem in most cases is power outages in the home network. This can be voltage drops or power outages and turns on when the TV is in sleep mode.
The most effective way to solve the problem is to completely disconnect the device from the network for a while, and not with a remote control, but unplug the power cord from the outlet. This will be enough to restore functionality if the TV does not turn on after turning off the light. If the voltage problem is constant, you will have to use a stabilizer, an uninterruptible power supply, or at least a surge protector. And when leaving home, it is better to completely turn off the TV.
Tv turns on for a long time
Even with a strong desire, it is impossible to describe all the sores that can occur in our household appliances. The mere concept of a modern device implies the presence of a bunch of small circuits, boards, parts, not to mention the software component. Today we will be able to understand in detail how a malfunction is eliminated in modern television models, although everyone knows that it is very problematic to do the entire restoration cycle on our own. Well, who knows this kitchen, we hasten to assure that the reason for everything is the end of the resource of individual elements, the presence of loose contacts, and power supply malfunctions. As a result, it is necessary to quickly replace broken elements or to establish interaction between the components of blocks and circuits in order to restore the lost characteristics again. You should be aware that the TV turns on for a long time, nevertheless, it works. This means that it has not completely broken down, but the end of its functioning is literally close. First of all, after opening the lid, pay attention to the steps taken before. Many owners wipe dust and dirt inside with unsuitable liquids or accidentally touch the contacts when wiping, after which they have to wait for a long TV load. In order to avoid this kind of damage, try to follow the instructions, but if there is a problem, let’s solve it!
The first task is to find the lost contacts. Visually, they are easy to detect in case of serious breakdowns, but if the problem is deeper and you have to look for cold solders, it is better to dial out in order to detect the absence of connections between the blocks. If defects are found, they can be eliminated with a rosin soldering iron.
Next, pay attention to the power supply. In case of malfunctions in it, the throughput increases and the entire mechanism begins to heat up, sometimes it emits incomprehensible sounds, noises. It is not recommended to get into the device on your own, so it is easier to replace the entire unit than to waste time and break a faulty one.
Check the condition of the capacitors. Bloated or partially inoperative can start the activation process, but for a very long time, or after the usual blows to the technique. A defect when the TV starts up for a long time is often accompanied by the failure of these small elements.
Contact the professionals!
If you are not an expert, do not have the knowledge and tools, the best advice is to turn to specialists. Tv repair workshop. This is not a circle of radio amateurs, experts do not make mistakes, do not spend a lot of time on work, but restore it accurately, quickly and efficiently. And inexpensive! A simple replacement can be many times more expensive and sometimes even more dangerous for the owner. To save time and money, in most cases it is cheaper to call a foreman. Call us, we will provide urgent quality services according to the approved price list at a reasonable price.
The indicator (light bulb) constantly flashes chaotically
This state of the device only indicates a malfunction and does not contain significant information about possible problems. It is necessary to diagnose the entire device, starting with checking the power supply and secondary converters on the system board. Further, the buses for the exchange of information between the processor and memory microcircuits, the sending of commands by the processor to turn on and the processing of these commands by the peripheral components of the television chassis.
The indicator changes color to green and back to red
This behavior most often indicates that the processor generates a command to turn on the device and sends it to all executors. If any of the TV units does not follow the command, for example, the power supply does not turn on in operating mode or the inverter is not able to start the backlight, then the processor, without receiving confirmation that everything is in order, cancels the power-on and puts the device back into standby mode. In Sharp LCD TVs, after five unsuccessful attempts to turn on the backlight, the processor blocks the startup altogether, until errors are cleared through the service menu or until the contents of the Eeprom memory are replaced. This behavior will continue until the cause is eliminated: defective lamps replaced, inverter, power supply, or other faulty component of the television chassis repaired.
The TV does not turn on, there is an indication
Indicator shines red
The situation when the TV cannot be turned on from the remote control or buttons on the device itself, and the indicator is on, is common. Usually, in such cases, they say: “The TV does not come out of standby mode.” There may be several reasons for this, but you need to start with the most obvious ones. Replace the batteries in the remote control, remember from which button the TV was turned on earlier and, if this does not help, call the wizard on the TV or, with the proper skill, start an independent TV repair.
The glow of the indicator is more or less likely to indicate the health of the power supply. However, the diagnosis of this malfunction, like most others, should be started with an analysis of the operation of this board. Checking the voltages in standby mode, their stability when trying to turn on in the operating mode, measuring the level of filtration, visual inspection of parts helps to assess the performance and functionality of the power supply. Electrolytic capacitors, the upper part of which has characteristic bulges, must be replaced.
In the section “Malfunctions of TVs”, the real history of repairs of TVs with a similar manifestation of a defect is considered on the example of TVs Philips 42PFL7433S / 60, SAMSUNG LE40R82B, Philips 20PF5121 / 58 and other models. The behavior of television sets was somewhat different, but the reason was the same. There was a change in the properties of electronic components, mainly capacitors, in which the power supply could not ensure a confident start, affecting the operation of the entire system so that the indication was present, and the TV did not turn on. If in one case the malfunction was visible to the naked eye, then in the other, its localization required a long process of diagnostic measures and measurements.
The elimination of an obvious defect in the power supply does not always lead to normal operation of the TV as a whole. In some cases, unstable power supply leads to the loss of information in the Eeprom, SpiFlash memory chips. At the same time, it is possible to turn on the TV and switch it to operating mode only by updating the software (firmware) on the programmer. The workshop is equipped with these devices in sufficient quantity for different types and cases of microcircuits. When repairing with your own hands, difficulties may arise with firmware without equipment and a firmware database for television models, and contacting a service organization in such a situation is morally and economically justified.
Sometimes such troubles occur when there is a malfunction in the power circuits on the TV’s motherboard. Usually in this block there are several secondary sources made according to the scheme of DC-DC converters or voltage stabilizers. An indispensable condition for the correct operation of the processor and devices associated with it is a stable supply voltage in the voltage range at which their normal functionality is ensured. In cases where these conditions are not met, the consequences can be unpredictable, and the command to turn on the device can be ignored until the necessary power supply parameters are provided.
The indicator changes color to green, but nothing happens
The situation is ambiguous and can have many reasons for this behavior. In order to make sure that the main board is working, the supply voltages are measured and the commands to turn on the power, backlight, etc. Are examined. Perhaps, when you switch the TV to a channel with a tuned program, a sound will appear, and this already indicates that the cause of the malfunction most likely lies in the inverter or power supply unit with LED backlighting or in radiation sources.
If the LED (light bulb) indicates the operating state, but the power-on commands are not received from the motherboard, the system does not respond to buttons and the remote control, the software of the memory devices on the main board may fail. There are situations when the processor issues a command to turn on the power supply, but does not start the inverter, or issues a Dimm command that determines the brightness of the backlight, in the absence of an On / Off command. In this case, software update, firmware help to return the normal sequence to the logical processes occurring on the motherboard.
In some cases, the appearance that nothing happens when turned on can be created by the motherboard, blocking the supply of signals to the matrix controller or transmitting such information in which the screen remains dark. The T-con itself may be faulty, as well as the LCD matrix itself. Each option is considered and diagnosed separately. The backlight turns on at the same time, but has a weakly pronounced character due to the underestimated image brightness.
The indicator flashes in a specific sequence
In television receivers of some manufacturers: Sony, Philips, Panasonic. Self-diagnosis of the TV is provided at the moment it is turned on. As a result of interrogation via SDA, SCL buses, the central processor receives information about the operability of other functional devices: tuner, sound processor, memory chips, the digital bus itself, etc. If a faulty unit is detected, the turn-on command is blocked, and the receiver goes into standby mode with error indication. Light indicators start blinking in a certain sequence, indicating a particular error in the device.
This self-diagnosis method allows you to quickly identify the faulty component. The service instructions for a specific model contain the so-called error codes, in which each combination of blinking indicators corresponds to possible failures of various components of the TV receiver. This greatly facilitates the life of the telemaster when diagnosing, directing him along the right path. For example, 13 paused LED blinks on a Sony TV on a FIX2 chassis indicate a backlight problem. An inverter or lamps can be faulty, so we will diagnose them. As an example, I will give a table with error codes for Philips TVs on the Q552.1e LA chassis. The first level of errors (Layer 1) we see immediately when a defect occurs, the second level (Layer 2) can be observed if the receiver is switched to service mode.
Summing up, we can say that the behavior of the indicator light in the TV when a malfunction occurs can give a lot of useful information for the successful diagnosis and localization of a defect in a particular unit, contributing to the successful repair of the TV as a whole.
If the TV does not turn on and the LED is off
In such a situation, there are many reasons for the problem. The most common of these is the lack of voltage at the outlet. In this case, you need to purchase a special tester or a screwdriver with an indicator and check the voltage.
If there is really no power supply, then the answer to the question of why the Samsung TV does not turn on is obvious. In this situation, it is worth trying to turn on and off the electricity in the room using the shield. If the problem persists, it is recommended that you contact an electrician.
Another common reason for such a breakdown is damage to the extension cord (if one is used when connecting a TV). If your old Samsung TV does not turn on, then the fuse may have blown. However, such problems are inherent exclusively to CRT models.
In addition, any other component responsible for the operation of the device could fail. Therefore, in some situations, Samsung TV repair service is indispensable.
The Samsung TV does not turn on, the red light flashes: possible causes and their elimination. Repair of Samsung TVs
Despite the fact that more and more people use computer technology in their lives, televisions still occupy a dominant place in any apartment. Today, a huge variety of manufacturers of these products are represented on the market, but Samsung’s equipment is the most popular. However, despite the big name, the high quality and modern technologies of this manufacturer’s devices sometimes start to work with errors. As a rule, they are not much different from standard faults.
For example, some people are faced with the fact that the Samsung TV does not turn on, the red light flashes, but the screen remains dark. In this case, do not sound the alarm, since this problem can be solved.
Why won’t the LCD TV turn on
Almost all modern TVs are equipped with liquid crystal screens today. If the Samsung TV does not turn on, the indicator blinks or goes out constantly, then first of all you need to pay attention to several of the most common symptoms of a malfunction. Most often they are associated with a breakdown of the remote control. If the indicator works, then most likely the life of the batteries installed in the device has expired. Also, it may not turn on due to the wrong mode or improper use of the extension cord. Also, many face such a problem when connecting a computer to a TV.
If the TV does not turn on using the buttons on the panel
In such a situation, there are two probable causes of the malfunction. In the first case, the built-in protective system of the device could have worked. This will be evidenced by the fact that the device does not turn on at all or turns on for only a few seconds, after which the monitor goes out. In this case, a voltage drop or a sudden power outage is the likely cause of the problem. In such situations, the TV will automatically enter sleep mode.
To restore normal operation of the TV, it is recommended to unplug the plug for a few seconds and try to turn on the device again.
If such power outages occur with enviable regularity, then experts recommend purchasing an uninterruptible power supply, a surge protector or a special voltage stabilizer.
Also, the cause of such a malfunction may be a failed processor or control unit. In this case, you will not be able to fix the breakdown on your own, so you will have to contact a service center for the repair of Samsung TVs. If the device was purchased recently, then in the official Samsung store, system recovery services should be free.
If the indicator is on continuously
If this happens, then first of all this indicates that the control unit is not receiving the necessary power. Usually, at the same time, the LCD TV refuses to turn on using the control panel.
In this case, most often the breakdown lies precisely in the control panel. In order to solve a similar problem, it is necessary to disassemble the device and pay attention to whether the contacts have oxidized. You also need to check the expiration date of the batteries. The emitter must be intact. If before that the buttons on the remote control were filled with a sweet drink, then this may well be the cause of the breakdown. In this case, it is enough to clean the PU or purchase a new control device.
If the Samsung TV does not turn on and the red light is blinking, then you should try to turn on the device using the control buttons located on the side or back of the TV. However, this method does not always work.
Why does the indicator blink and the TV does not work
If a red, blue or green light gives life signals, this means that the technician is trying to diagnose the type of failure on his own. To determine what exactly happened to the TV, you need to pay attention to the number of indicator flashes.
As a rule, all self-respecting manufacturers accompany their equipment with detailed instructions, which indicate the designations of this Morse code. In some situations, this problem occurs because the user is using an LCD TV instead of a computer monitor. If in this case the sleep mode is enabled on the PC, or it is completely turned off, then in this case it will be impossible to turn on the TV from the remote control. In this case, the red lamp should flash for several seconds. After that it goes out.
To figure out that the Samsung TV does not turn on, and the red light is flashing, it is enough to turn on the computer again or, conversely, turn it off. After that, the TV should begin to function normally.
Samsung TV turns itself off and turns on reasons
Simple causes of the problem
There are many explanations for the independent operation of equipment, and very often it is not the manufacturers of equipment that are to blame for them. So here are the reasons why the TV “Samsung” turns itself off and on:
- Incorrect settings. This is the most common reason. If you have incorrectly configured the device by turning on the TV self-switching on / off program, then only you are to blame. So before you run to the service center, check the availability of these settings in your device.
- Poor outlet. Poor contact with electricity can be the main reason your Samsung TV turns on and off immediately. Try using a special device that measures the voltage at the outlet.
- Lack of internet connection, causing the TV to restart periodically.
- Frequent surges in voltage, because of this, spontaneous shutdown may occur.
Once you’ve checked and fixed your TV’s problems, check if the viewing angle of the TV is in the correct position. This is important for both picture quality and your health.!
Inverter power supply circuit malfunction
So, we found small cracks on the board, which arise from sudden voltage drops, moisture accumulation or overheating of the part.
If you nevertheless decided on this procedure, then here is the algorithm of actions:
After the steps taken, the Samsung TV should not turn on and off by itself.
Dealing with more complex reasons
If everything is fine with the device settings and the voltage in the outlet, then it is worth “dig” deeper. Behind the independent life of the TV, there may be more serious problems, which can only be eliminated by the master of the service center. So why is the TV “Samsung” turns off and on?
There are several dangerous phenomena for TV.
Defective power supply
Check the standby indicator to make sure it is working properly. When responding to shutdown, we conclude that the breakdown lies in the power supply.
If it was not possible to identify the problem on your own, we advise you to immediately call a wizard who will help you figure out and fix the problem.
Perhaps during the diagnosis, you identified other defects, for the solution of which we also have a lot of useful information, for example, we suggest reading the articles:
Troubleshooting the problem yourself
In order not to attract a master and not pay him decent money, you can resort to fixing the problem yourself, but keep in mind that this can harm both your health and your equipment. You can use these methods if you are completely confident in yourself.