details : TP.V56.PB801 is a LCD TV main board, suitable for 32 to 43 inches LCD TV, adopts Rockchip RTD2982 processor and DDR3 memory, has a variety of input and output interfaces, including HDMI, USB, AV, VGA, network etc., support high-definition video playback and audio decoding, and can realize the playback of various video formats. This motherboard also supports multi-language menus, and has a variety of image modes and audio modes to choose from, which can meet the needs of different users. At the same time, it also supports intelligent voice communication and network functions, so that users can easily enjoy various network resources, such as online video, Internet TV and online games. notes: The installation of the LCD TV motherboard is very important because it must be installed correctly for the TV to work properly. The following are the precautions for LCD TV motherboard installation: 1. Before installing the motherboard, make sure to clean the TV as necessary to avoid the intrusion of dust or debris. 2. Before disassembling the original motherboard, take a photo or mark it to record the position and direction of the connecting lines, so that the subsequent installation can be operated smoothly. 3. Before removing the original motherboard, disconnect the power supply and other related lines. During disassembly, avoid using excessive force or inappropriate tools to avoid damage to the TV or motherboard. 4. Before plugging in the new motherboard, make sure that all slots, connectors, and sockets on the motherboard are properly aligned. Make sure that all sockets and plugs are not loose or damaged. 5. After the installation is complete, check that each part of the TV is securely connected to make sure everything is working properly. 6. If there is an error and the main board cannot work normally, please check it in time to check whether there are any problems such as poor contact or short circuit when the main board is assembled on site. 7. Follow the motherboard manufacturer's installation guidelines and observe all relevant safety precautions. The main board of LCD TV is one of the important components of the TV. It controls the various components of the TV so that the TV can work normally. Its main working principle is as follows: 1. Power supply system: The power supply system on the main board of the LCD TV ensures the normal power supply of the LCD screen and other components by adjusting the power supply voltage and current. 2. Logic control system: This is the most important part of the main board. It controls various components of the TV through the logic control system, including backlight, audio components, video output, etc. Through logic circuits and instructions, these parts operate at the right time and in the right way to display images and sounds. 3. Signal input and processing: There is also a part for inputting and processing signals on the motherboard of the LCD TV. In this section, signals from sources such as DVD or Blu-ray players, monitors, etc. are fed into the LCD TV motherboard. The motherboard will process these signals and convert them to analog or digital signals suitable for processing and display on the LCD screen. 4. Communication equipment system: The motherboard of some TVs will also include the communication equipment system of the LCD TV to realize network connection and Internet functions. This system can be realized through WiFi, Bluetooth, Ethernet, etc. To sum up, the working principle of the LCD TV motherboard is to combine the power supply system, logic control system, signal input and processing, and communication equipment systems together to allow the TV to work normally.