Modern Xiaomi TVs running on Android TV are powerful multimedia centers, but their initial setup often raises questions among users. The transition from analog to digital TV requires the right hardware configuration to ensure stable reception of high-quality signal. Many owners face a situation where automatic search does not find available channels or the image is interrupted due to incorrect frequency parameters.
The setup process depends on the specific model of your device and the type of tuner you use. The built-in DVB-T2 allows you to receive digital broadcasting directly through the antenna cable, without the need for additional consoles. However, to work correctly, you need to choose the signal source and broadcast region, since frequency ranges can vary significantly depending on the location.
In this guide, we will take a look at all the steps of setting up, from connecting the antenna cable to finely adjusting the frequencies manually, and learn how to update the software to correct possible scan errors, how to sort the list of channels, and what to do if the TV stops seeing the signal after scheduled work on the TV tower.
Preparation of equipment and signal verification
Before you go to the software part of the setup, you need to make sure that all the components of the system are physically healthy. The quality of the received image depends on the state of the antenna cable, the integrity of the connectors and the power of the receiving device itself. If you use a room antenna, try moving it closer to the window or pointing it towards the nearest TV tower to improve reception.
Note the type of connector used. Standard antenna cables have a resistance of 75 Ohms, and using inappropriate adapters or damaged sections of the cable can result in a complete absence of signal. Visually inspect the connector for oxidation or physical damage, as even a small defect can cause interference.
If you live in a sensitive area, using an active signal amplifier is a prerequisite for stable operation. Make sure the amplifier is connected to the power source if it does not receive it directly through the antenna cable. A weak signal often manifests itself as "squares" on the screen or a complete fading picture.
⚠️ Warning: Before connecting or disconnecting the antenna cable, be sure to turn the TV off the socket.Static electricity or a power surge can disable the built-in tuner and repair will require a replacement motherboard.
Checking the antenna on another device will help to prevent the cable itself from malfunctioning. If the other TV receives channels stably, the problem lies in the settings of Xiaomi or its hardware, otherwise you need to replace or redirect the antenna equipment.
Automatic setup of digital channels
The easiest and most common way to access TV is to use the built-in auto search function. The Android TV operating system on board Xiaomi TVs has smart enough algorithms that can independently determine the type of connection and scan the available frequencies.
To start the process, go to the main menu and select the settings section. You need to find the channel or broadcast item. Depending on the firmware version and the regional version of the interface, the names may vary slightly, but the logic remains the same for all models.
Select the source of the signal "Antenna" or "Etheric TV", the system will suggest to choose the country and region, which is critical for the correct sorting of frequencies, after confirmation, the scanning process will begin, which can take from 2 to 10 minutes depending on the number of multiplexes available.
The TV will be consistently checking frequency bands during the scan, and don't interrupt the process even if it seems to be getting stuck at a certain percentage. Interrupting may result in an incomplete list of channels being retained, and the procedure will have to be repeated again.
Once the search is complete, the system will suggest you sort channels or skip blank ones. It is recommended to agree to sorting to remove the broken frequencies and speed up switching between programs in the future. If the list of channels is empty, move to manual configuration.
Manual setting of frequencies and broadcast parameters
In situations where automatic search is not working, manual adjustment is required, especially in remote areas or areas with difficult terrain, where automation cannot accurately identify the main transmitter, and Manual mode allows you to enter the exact frequency parameters obtained from the digital television site of your region.
To switch to manual mode, select the appropriate option in the channel search menu. You will need to enter the frequency in megahertz (MHz) or channel number (TBC). Accurate data for your locality can be found on official broadcasters' resources, indicating your address.
Beyond frequency, it is important to set the bandwidth and modulation parameters correctly. Standard values for digital broadcasting are usually 8 MHz, QAM64 or QAM256 modulation and FEC encoding 2/3 or 3/4. Incorrect choice of these parameters will result in the TV not being able to decode the signal, even if the frequency is specified correctly.
Once you enter the parameters, start a search. If signal strength and quality are shown in the green areas of the scale, click Save or Add. Then repeat the procedure for the second and subsequent multiplexes, if there are more than one in your region.
☑️ Checking the manual settings
Use the Update feature for the current channel to check the stability of reception before saving. If the quality scale jumps, try the position of the antenna or change its angle of inclination. Manual tuning requires patience, but is often the only way to get a picture where automation is powerless.
Satellite and cable TV setup
Owners of Xiaomi TVs with built-in satellite tuner DVB-S2 They can set up the reception of signals directly from the satellite dish, bypassing the external receivers, which makes it easier to control and allows you to use one remote for all functions. CI+ and the corresponding operator card.
The process of setting up satellite TV starts with selecting the source of the Satellite signal. From the menu, select a list of satellites available in your geographic area. The TV will prompt you to scan the transponders of the selected satellite. Make sure that the LNB settings correctly specify the type of converter (universal or monopod) and the frequency of heterodyne.
For cable television (DVB-C), the procedure is similar to on-air settings, but requires a choice of network type. Operators often use encryption, so after scanning the channels, you will be asked to insert an access card into the CI+ slot and log in. Without this step, most channels will only be available in the public domain or in low quality.
| Parameter | Etheric (DVB-T2) | Satellite (DVB-S2) | Cable (DVB-C) |
|---|---|---|---|
| Type of connection | cable | Coaxial cable from the plate | Provider cable |
| Modulation. | QAM64/256 | QPSK, 8PSK, 16APSK | QAM64/256 |
| Frequency | 474–858 MHz | 950–2150 MHz | 48-860 MHz |
| Equipment | antenna | Plate, converter | Provider cable |
When setting up cable TV, you often need to specify the search frequency in kHz, which is provided by the technical support of your provider. Automatic search over a cable network can take a considerable time due to the large number of frequency bands.
Updating software and drivers
Often, channel search problems are not related to the antenna, but to software errors in the TV firmware. Xiaomi regularly releases updates that improve the performance of tuners and add support for new frequency bands. Before deep diagnostics of equipment, always check for the current version of the software.
Go to Settings → About TV → System Update. If a new version is available, the system will prompt you to download and install it. Make sure the TV is connected to Wi-Fi or Ethernet, as the updates can be up to several gigabytes in size.