One of the most common problems that occur during the operation of the TV is the lack of signal. The problem is rather unpleasant, and not everyone, even an advanced user, will be able to solve it the first time. This article discusses the main reasons and methods for solving them, if there is no received signal on the TV device.
Reasons why the TV does not pick up a signal
There are several main reasons why the TV does not pick up the signal. First of all, you should check the operability of the receiver or receiver, which should receive and process information. Often, due to hardware problems, the signal, reaching the antenna, is not sent to the TV screen. Perhaps this is due to a cable break or breakage inside one of the devices.
There is also a series of external problems. As, for example, signal loss due to weather or lack of data transmission from the station. All these factors also lead to the fact that a digital or conventional TV receiver does not show.
REFERENCE! The reasons for the lack of signal are divided into two categories - external and internal.
Hardware issues
Internal malfunctions are primarily caused by equipment problems. The most common cause is a cable break. In such cases, the television may either not see the signal at all, or the image will be distorted by noise. In this case, the easiest solution is to replace the cable with a new one. If the user replaced the damaged cable, but the problem persists, you should check the input and output connectors to which this cable was connected. It is possible that during long-term operation of the device, the insulation and integrity of the connectors is damaged, due to which some of the information may be distorted.
Another reason for the absence or change of signal may be a breakdown of the receiving antenna. How to fix a problem in the antenna will be discussed later.
The last reason for the lack of image is the failure of the receiver. If this device fails, the user has no choice but to replace a non-working receiver with a new one.
IMPORTANT! If there are no problems with any of the above devices, but the signal still doesn’t appear, the problem may be with the TV itself. Users who do not have special training and knowledge in the field of repair of this kind of equipment are not recommended to use self-repair attempts. In this case, the best option is to take the equipment to the service, where trained specialists will find the malfunction and fix it.
External factors
It is possible that the problem lies not in the devices, but in external factors. The most common may be the banal absence of the emitted signal from the operator. This may be due to various preventive or technical works. To find out if this is actually very simple. You can see the information on the provider's official website or call the hotline.
You can also find out about the signal status by opening the receiver settings menu. If there is no signal, a message should appear. The only solution to this problem is just waiting. After a while, the work at the TV station will end, and the broadcast will begin again.
Also, the lack of broadcasting may be due to weather conditions. Thunderstorms or heavy rainfall can weaken the signal reception. Also, external obstacles can interfere with the flow of information, creating interference and distortion in the channel.
How to deal with the problem yourself
After almost all the factors are identified, you should learn how to deal with most of them and what to do when the TV receiver writes about the absence of a signal.
If the cable is broken or the receiver breaks, replace them. If there is no opportunity to replace the damaged cable, then you can try to fix the problem yourself - solder the broken wires. To do this, strip the insulation, rosin the contacts and, after twisting them, solder them.
In the event of a breakdown of the cable connectors, the only possible way to fix it will also be soldering. To do this, disassemble the device with a broken connector and, having detected wire breaks, treat them with rosin, and then solder.
If the problem is in the receiving antenna, you need to figure out the cause. It is possible that the antenna stopped receiving information or began to distort it due to dust and dirt on the receiving surface. The solution to this problem is a banal antenna cleaning. In winter, instead of dust and dirt, snow or ice can be a problem.
If the signal quality has not improved, there may be a problem in the direction of the receiving antenna. To do this, slightly turn it first to the left, and then to the right and observe the change in image quality. In the event that when the image quality has sharply improved when turning to one side, you should turn the antenna further, looking for a “peak” in image quality, after which the image quality will begin to deteriorate again. A reference point for rotation can be neighboring antennas, which are already adjusted for the best signal reception.
IMPORTANT! Full reception of information may be prevented by trees or buildings that are opposite the antenna. If the user does not have the opportunity to eliminate the detected obstruction, raise the antenna higher.
In many cases, the problem of signal absence can be solved independently.
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