The TV remote control does not work: causes, repairs

Today almost all electronic devices used in everyday life are equipped with remote controls. Not an exception and TVs. How else can I switch channels without getting off the couch?

ДУ, являясь интенсивно используемым устройством, нередко выходит из строя. The TV remote control, being an intensively used device, is often out of order. He either ceases to function at all, or partially copes with his duties.

? What do the most impatient and accustomed to the amenities of some of us, when the remote does not work from the TV ? That's right, they are trying to quickly buy a new one. But if you have a desire and a few tens of minutes of free time, you can try to repair it, and yourself.

In this article, we'll talk about why the remote control goes out of order, and also consider ways of its resuscitation at home.

TV remote control does not work: causes and symptoms of malfunction

The remote control device may lose its efficiency as a result of some technical problems, or because of negligent handling. , прежде чем приступить к его разборке для последующего ремонта, стоит определить для себя, какие признаки неисправности он подает. So, if you have a remote control for the TV , before you start disassembling it for later repair, it is worthwhile to determine for yourself what signs of malfunction it gives. So it will be easier to outline the next steps.

Most often the remote control is characterized by:

• Visible and suspected mechanical damage;
• No response when you press some buttons (other buttons work);
• Complete absence of reaction (all buttons do not work).

Consider these signs in the context of possible malfunctions.

Mechanical damage

и на его корпусе имеются явные следы механического повреждения, это может свидетельствовать о том, что его просто уронили на пол или намеренно пытались привести в нерабочее состояние. If the remote control does not work from the TV set and there are obvious signs of mechanical damage on its case, this may indicate that it was simply dropped to the floor or intentionally tried to bring it into an inoperative state. The consequence of such handling of the device may be:

• No contact between the batteries and the electrical terminals of the console;
• Damage to the transmitting LED;
• Violation of the integrity of the conductive tracks or (and) the leads of electrical components on the board.

The remote from the TV does not work: what to do and where to start

Start the diagnosis best with the batteries. When the device falls, they are the most likely cause of its failure. The very test is to remove the cover of the console and check the position of the batteries. If necessary, they must be reset, observing the polarity. Pay attention to how tightly their contacts touch the electrical terminals of the device. If the batteries are loose, it may be necessary to bend the negative terminals (springs).

заработал, закрывайте крышку и продолжайте его использовать дальше. If, after such events, the remote control for the TV is working, close the lid and continue to use it further. If this does not happen, go to the next stage of diagnosis.

Battery charge

After removing the cover of the device for checking the batteries, do not be too lazy to check and the amount of their charge. Although the console consumes a minimum of electricity to ensure its operation, the batteries gradually settle down.

The test is best done using a conventional voltmeter or multimeter. To do this, you just need to measure the voltage on the battery terminals. It must not be less than 1 V.

можно путем использования их в другом устройстве дистанционного управления, например для DVD, музыкального центра, кондиционера и т. п. If you do not have such devices, you can check the batteries for the TV remote control by using them in another remote control device, such as DVD, music center, air conditioner, etc.

Also you can insert into our device known good batteries. After making sure that they fit both the size and size of the output voltage, remove them from the other panel and set it to the diagnosed. Checking showed that the batteries failed? Just replace them.

Check LED

The transmitting LED plays a major role in the operation of the console. It consists in the transmission of an infrared signal of a certain frequency to a special TV receiver. First, inspect the LED for damage. If it is broken, the only way out is to replace it. You will have to go to the radio market or to a store specializing in the sale of radio components, buy the same element and solder it in place of the damaged one.

LED in sight whole? Check how it works. With the naked eye, this can not be done, since the human eye does not perceive infrared radiation. This will help one of the modern devices equipped with a camera. It can be a mobile phone, a smartphone, a tablet, etc. Turn on the camera on it and point it at the console's LED. Now try switching channels, looking at the device screen. With a working diode, you are sure to see light signals when you press the keys of the remote. But if no reaction followed, most likely, it's not a light-cell.

Damage inside the device

Mechanical damage can be hidden from your eyes. , а внутри что-то болтается, существует вероятность, что он получил закрытую «травму», которая и вывела его из строя. If the remote is down from the TV and does not work , and something is hanging out, there is a possibility that he received a closed "injury", which put him out of action. As a result of a drop, the wire may break off, the lead, for example, of some condenser, or the current path may crack. Here it is necessary to completely disassemble the device.

, которые получили повреждения платы или ее элементов, лучше, конечно, доверить профессионалам, но, если вы когда-нибудь держали в руках паяльник, можно попытаться справиться с этим и самостоятельно. Repairing the remotes that received damage to the board or its components is best, of course, entrusted to professionals, but if you ever held a soldering iron, you can try to deal with it yourself.

First, we open the device. You are lucky if the console body from your TV is screwed together. In this case, they need to be unscrewed and disconnected parts of the device. If the body is fastened with internal latches, it is necessary to sweat a little.

The knife with a thin blunt blade will help to disconnect the parts of the console. It must be inserted between the halves and, gently squeezing, detach them from each other, passing in a circle. When this is done, disassemble the console and carefully inspect the card for damage. Use a magnifying glass for these purposes. Small defects with the naked eye can not be seen. It is also desirable to provide good coverage of the place where the inspection will be conducted.

Check the start from the leads that go to the batteries. Next, inspect all the tracks, and after the electrical parts. If you find a break in the electrical circuit of the console, restore it by repairing or replacing the damaged part. In the case of detection of damage to microcircuits, it is better to buy a new remote control than to try to repair it. At least, it will come out cheaper.

When individual buttons do not work

, является состояние резиновой клавиатуры. Often the reason that the remote from the TV does not work is the condition of the rubber keyboard. The lower part of the buttons is covered with a conductive graphite layer, which, in fact, closes the contacts on the board. It happens that this layer wears away from constant use, and sometimes it happens that dust, moisture, foreign objects get between it and contacts.

The depreciation usually falls on the keys that we use most:

• On-off;
• Switching channels;
• Increase or decrease the volume level.

Incomprehensible oily liquid

и разобрав его, вы можете увидеть на нижней части клавиатуры бесцветную маслянистую жидкость. Having discovered that the remote does not work from the TV, and having disassembled it, you can see a colorless, oily liquid on the bottom of the keyboard. Do not rush to blame your relatives for the fact that one of them spilled sunflower oil or sweet tea on the device. This fluid is nothing more than fat extracted from the pores of the fingers. During the operation of the remote, it settles on the buttons, so that the contact between them and the pads is lost.

This problem is solved very simply. It is enough to disassemble the remote, wipe the board and the bottom of the keyboard with alcohol, and the device will work as new. Before starting the operation after such a procedure, do not forget to dry the rubbed elements.

Is it possible to repair a worn graphite layer?

What if the conductive graphite layer on the bottom of the remote control keyboard has been erased? It can be restored. с поврежденным токопроводящим напылением предполагает его удаление и создание на его месте нового. Repairing consoles with damaged conductive sputtering involves removing it and creating a new one in its place. But from what to make it?

There are two options. The first is to buy a special set for repairing the consoles in the shop of radio parts. The composition of this kit includes a tube of silicone adhesive and a few dozen rubber pins (overlays on the bottom of the buttons) covered with the same graphite. You need to disassemble the console, gently cut off the old covers, and put new ones in their place. This repair allows you to completely restore the device for a long time.

The second option does not imply any costs at all. Take the usual foil from the chocolate, cut out the necessary number of linings from it, keeping the size, and glue them over the worn-out patches. Of course, this budget repair will not provide trouble-free operation of the remote control for many years, but believe me, it will still serve.

Will the film help

Probably, you had to see the remote control devices wrapped in polyethylene film. This method was undoubtedly invented by our compatriots in order to protect the console from the possible consequences of careless handling of it. Yes, the film is able to temporarily protect the device from moisture and dust. But over time, it loses its protective properties due to all the same intense exploitation. Whether it is necessary to turn the remote control into an incomprehensible and ridiculous subject is up to you.

How to prolong the life of the remote control from the TV

To use the remote control of your TV for as long as possible, use the tips below:

1. Try to handle it carefully, avoiding falling to the floor.
2. Do not give the remote control to children and protect it from "encroachment" of pets.
3. Watch for the status of the LED.
4. Do not forget to change the batteries in time.
5. Do not use the remote control when you have dirty hands or while eating.