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How to broadcast on LG TV

What is Mirakast for TV

Wi-Fi Certified Miracast is a popular technology created by the Wi-Fi Alliance in 2012.

It allows you to organize communication between the TV and another device via a wireless channel. Mobile gadgets contain a lot of photos, work files, videos and game content. It is more convenient to view them on a large TV screen. With Miracast, you can view your smartphone, tablet, laptop on the TV screen.

  • on Android platform, starting from version 4.2;
  • with the operating system Windows 8 or higher, as well as Windows 7 when installing the WiDi driver;
  • Linux.

Mirakast is based on advanced Wi-Fi Direct technology. We can say that it replaces the HDMI or MHL cable. You can transfer data in both directions.

There is no compatible protocol for Apple devices. The analogue is AirPlay.

broadcast

How to check if your TV supports Miracast

Almost all modern TV models are equipped with Mirakast technology. But if the user has not encountered it before, he may not know whether it is built into his TV or not. To check, go to the device settings and check for the presence of the Miracast item in the menu.

Samsung

Miracast in TVs of this brand is called Screen Mirroring. In some models, the function is always active when the TV is turned on, and the device is searchable by a smartphone, laptop or computer. If it is not active for you, then follow the steps:

How To CAST Android Phone to LG TV using SCREEN SHARE

  • press the “Source” key on the remote control;
  • find “Screen Mirroring” in the signal sources;

Then go to settings in mobile device and PC as described above.

Other TV models

The first step is to clarify the year of manufacture of the TV. This can be found on the information sticker, or in the passport of the device. If it was released earlier than 2012, then there is no built-in Mirakast in it. Later models must have the technology built in. Connection information can be found in the user manual. If it is lost, you can find it on the manufacturer’s official website.

The connection procedure is simple and similar for devices of different brands, you can do without instructions. You need to find the function connection icon in the menu and activate it. It can be in sections:

  • screen;
  • connections;
  • signal source;
  • network.

Then connect your mobile device and PC (as described in the paragraph with LG TVs).

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Miracast for TV. What is it, how to enable

Surely many users have seen the name Mirakast on the menu of a TV or mobile device. But not everyone knows what this function is and how useful it is. Mirakast for TV will help you a lot if you need to transfer the image from your smartphone to TV without any wires.

What is Miracast TV Adapter

If the TV does not have a wireless connection function, you will need a small external device. Mirakast adapter to implement it. It will allow you to connect your mobile device to the old TV model.

Advantages and disadvantages of technology

The Miracast function in the TV provides the user with many benefits:

  • Connecting without using a separate Wi-Fi network.
  • Watching video content in high quality.
  • High speed IEEE 802.11n transmission.
  • The ability to organize an internal network without using a router.
  • Works without installing an additional application.
  • The ability to transfer videos in 3D. Full HD.
  • Built into most modern devices.
  • Easy to configure, intuitive interface.

The technology has minor drawbacks:

  • cannot transmit Ultra HD, since the maximum resolution that the standard supports is 1952 x 1200;
  • problems may arise when establishing communication between devices;
  • requires H.264 codec to work.

Diagnostics

The simplest thing that an average user can do is to conduct a visual inspection of the equipment. Within reasonable limits, it is even permissible to disassemble the TV and carry out its internal cleaning. How to independently detect breakdowns?

  • Discharge of capacitors by disconnecting equipment from the network.
  • Opening the back cover of the TV.
  • Inspect cables for possible kinks and breaks.
  • Inspect the power supply for the presence of swelling and melting of capacitors or resistors.
  • If you have special tools, you can measure the voltage of the input circuits of the power supply.
  • Gently tapping the TV case, you can understand the quality of the soldering of the modules and wires (if the technician reacts by blinking during manipulations).

When examining the insides of technology, you should pay special attention to the condition of the boards and capacitors. But it is still better to entrust their repair to a professional if problems are found.

Power supply does not work

If LG video equipment has sound, but there is no image or the picture jerks, then the problem lies in the breakdown of the power supply. You can independently carry out the following series of manipulations.

  • Turn off the TV from the network. This will discharge the capacitors. Next, you need to unscrew the fixing bolts and remove the back cover. Check cables and cables for damage. It is also worth paying attention to the performance of the buttons and fuses.
  • Inspect the power supply for melted or damaged resistors and capacitors.
  • Measure the voltage of the output circuits of the power adapter. Indicators must correspond to those specified in the instructions.
  • Tap gently on the TV cabinet. In the case of the normalization of the operation of the equipment, it is worth carrying out a full diagnosis of the power supply. Poor adhesion may be the cause.
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In this case, it is best to seek help from a master or the nearest service center, since improvised tools can aggravate the breakdown.

LG TV has sound but no picture: reasons and repairs

Sometimes even high-quality equipment can fail. It is very unpleasant when the TV works, but like a radio. In some cases, you can make repairs on your own, but you may need the help of a specialist. First, you need to figure out why the LG TV has sound, but no picture. What are the reasons?

How To Mirror Your iPhone to a LG TV

Types of malfunctions

The most common causes of missing images on Korean LG TVs are:

  • equipment broadcasts sound, but the image itself on the screen has disappeared;
  • the screen is black;
  • the backlight does not work;
  • distortion of the image;
  • dullness and dimness of the picture;
  • periodic disappearance of the image or the screen goes blank;
  • color reproduction in green or black and white.

The main reason is a malfunction of some components. Problems can be very different.

Repairs

Burnt capacitors

Strong voltage surges in the network greatly affect the operation of capacitors. The main symptom that a capacitor has broken is a dimming display. Also, the transmission disappears immediately after switching on or after a short time the picture begins to double, the brightness may disappear.

If you disassemble the device itself, then on the board you can see a swollen or exploded capacitor. The fuse also blows out. By the way, after a power surge, the TV’s power supply does not turn on first. In this situation, you need to turn to specially trained people for help. If the breakdown is not eliminated in time, then the problem will become more complicated, since it will lead to a breakdown of the power supply.

Matrix loop

Symptoms of malfunction of the matrix loop:

  • the TV does not show the image, the picture periodically disappears;
  • the appearance of ripples or interference in the broadcast;
  • the display on the screen is distorted. stripes or duplication of the picture.

It will definitely require repairs in the technical center. The breakdown can be eliminated depending on the specifics of the loop damage. At an early stage, the detected malfunction is eliminated by re-soldering the damaged sections of the element. Otherwise, you will have to replace the part completely.

It is wiser to replace the loop, as repairs can be impractical and very difficult. It is strictly not recommended to repair it yourself.

How to enable Miracast on TV

After confirming that the TV has a wireless transmission module, you can proceed to connecting devices.

After the inscription “You can now share your over devace`s screen on your LG TV” appears, you need to find the TV in the menu of your smartphone or laptop and make a connection.

On Android smartphones:

  • Find function icon. Depending on the model, it can be in the Quick Access Toolbar or in the Connections, Network, and Other Settings sections.
  • Activate.
  • Confirm the connection of the found device.
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On a laptop or personal computer with Windows 8 and higher, go to “Settings”. “Devices” and select “Add Bluetooth or other device”.

For devices on OS Windows 7, you must first install the Intel WiDi application.

Instructions for iOS devices

In the settings you need to find the “AirPlay” section. It is supplied by default in all devices and indicates that this function is supported. If it is missing, it is most likely that the hardware is fake and not original from Apple.

Other TV models

The first step is to clarify the year of manufacture of the TV. This can be found on the information sticker, or in the passport of the device. If it was released earlier than 2012, then there is no built-in Mirakast in it. Later models must have the technology built in. Connection information can be found in the user manual. If it is lost, you can find it on the manufacturer’s official website.

The connection procedure is simple and similar for devices of different brands, you can do without instructions. You need to find the function connection icon in the menu and activate it. It can be in sections:

  • screen;
  • connections;
  • signal source;
  • network.

Then connect your mobile device and PC (as described in the paragraph with LG TVs).

TV manual

Modern TV comes with Miracast natively. To check the existence of the function in the TV settings, you need to find the “Miracast” section.

  • Purchase a special external receiver that will expand the functions of your TV.
  • Connect the receiver via HDMI or USB to the TV.

Instructions for Android devices

How to connect a smartphone to a TV via Miracast, you will learn in the following

How can I check if Miracast can be enabled on my Android smartphone? Sequencing:

  • Open settings.
  • Select “Wireless Display”.

If you have this item, then the technology is supported. If this item is missing, then there is no support.

Basics of Miracast

The fact that the Miracast standard allows you to establish a wireless connection between two gadgets is already clear to you. After such a connection, any information is easily transferred from one electronic source to another. The principle of the technology is based on a Wi-Fi Direct network connection. At the same time, video material is transmitted at maximum resolution and at the same time with impressive surround sound.

Many users welcome this connection because it guarantees high quality transmission and broadcasting of any video and audio material. In this case, it does not matter at all what formats, sizes they have, what codecs they need. It is also surprising that with the help of this technology it is possible to transfer even such files that were protected from writing by the manufacturer.

HSIDG.COM 2021