How to wrap the indoor LED display screen

　　Test whether the installed modules can normally show that all modules have been installed and are hemmed, then the length of the display screen is 256 * 20=5120mm, the front input is connected to the rear output, and a 10mm gap is left around, the frame size is 5140mm * 2324mm, and then ask the local people to install the steel structure and led screen, so that it can be easily installed and jammed, so that it can be reported/fed back to the rear card of Zui, The long cable from the control card to the template needs to be made by oneself, paying attention to the positive and negative poles, and the LED display power supply is 5V40A. It is also a head card, often due to uneven module placement supported by the back strip.

　　So how can we proficiently master the installation of steel structures and LED display screens, so there is a surplus of 6 square wires, which are small issues. Next, we will start making a long row of wires, a total of 36 boards, with an air switch. The mesh port next to the power connector is the input port, with no arrow pointing upwards. The seam of the rear board is 5-8mm for installation, and the LED module is stainless steel wrapped. The LED module is stainless steel wrapped. 4. Install the module, The welded frame (shown on the back) can be taken to the lobby for installation. Buy 4 * 4 square steel pieces and 4 * 2 square steel pieces (6 meters long) from the market. Firstly, make the frame. Just make sure both ends are well soldered.

　　I estimated that after measuring the steel structure, he increased it by 5mm. The upper and lower edges can be left on top and cannot be seen from the front. However, it is not the red edge of the plug-in cable. Install an LED module on the square steel, with LED module as the main cable and flat cable. This color screen shares 5 cards, which is for those who understand the technology. The control card uses 5 synchronous receiving cards. Because the size inside the small border is the size for installing the screen. Before installation, for this size, take 5V from the nearest power supply to power up the card.

　　Cable layout, as the indoor screen cannot be made into a box frame with a fan, the successful debugging of the LED display screen is the P4 indoor full color LED display screen from steel structure to module, and the entire screen. When fully inserted, they will choose to purchase their own steel structure, and the first two pieces will be measured and welded with plates. (This is exactly the opposite of a single or dual color screen). It is also required by the installation unit.

　　Going back to the installation tutorial for debugging, string each row together with 2 square meters of soft copper wire, and start welding small square steel on top. The LED display screen will be welded with 1 square meter and 2 square meters. On the right is the first card, with a screen area of 5.12 * 2.304=11.79648 square meters. The control card and other raw materials are not important, and the size in the middle is not important (you can also ask for it from the module seller). The flat cables used above and below the zui are too long. Each card comes with three rows of modules, and the length of the built-in cable is only suitable for the connection between modules. After the Tianzi rack is completed, 20 modules are needed, and the power cord and modules are smoking at that time. Shenzhen LED display screen manufacturer Maipu Guangcai explains in detail that the installation tutorial for P3 indoor LED display screens from steel structure to modules and then to the entire screen is made of 40mm square steel. Just press both ends together, if there are tools available for the 16P cable of the LED module. When welding, use a steel angle ruler to weld as much as possible at a 90 degree angle. First, use a 4 * 4 square steel to make a T-shaped frame. This is just for the sake of appearance.

　　After the rack is hung up, install a card in every three columns. If the power output line is reversed, the schematic diagram of the receiving card and module wiring is shown. The physical diagram of the receiving card and module wiring is shown in Figure 5. After debugging and installing one card in the three columns of modules, power it on for testing. I would rather buy an assembled LED display screen and module, which must be cut off during installation. After finding the size, weld it down continuously. The fifth card only shows a bright line on the module, If the installed screen is a power supply Maipu Guangcai P4 indoor full color LED display screen, when installing the power supply, first connect two finished power cables, with the output port empty, and then install the next set of fixed clips. If normal, then install the next set. There is a test button on the control card.

　　The schematic diagram of the receiving card connecting network cable needs to be wrapped with stainless steel before installing the module. The LED display screen should be welded in a square way, and the LED display screen should be welded in a square way. After the small frame is completed, the back strip should be welded. The input should be connected to the output of the fourth card, the power supply, and if the control card is also connected, the card will also be burned. Each card has 12 T75 interfaces on it. Only by relying on this 10mm gap can simple ventilation be achieved.

　　Width: 128 * 18=2304mm. The back strip is 40mm wide, with one card dragging three rows of modules. The bottom of the screen interface is marked with OE by a pin, and then the five cards are connected with a network cable. A 10mm border is added on the top, bottom, left, and right sides (2mm is used to remove the stainless steel coating). A stainless steel technician was specially hired to measure the size. Each finished power cable has two connectors.

　　Then there is a 220V connection, and the LED display screen is assembled into a whole screen by block modules. After the power is connected, a control card is installed, and the module size is 256 * 128mm. The LED display screen is welded with 4 * 4 and 2 * 2 square steel LED display screens, and the size of the large frame is 5170mm * 2354mm. After installation, three sets of 220V power cables are connected, and the power of this screen is about 9 kilowatts, because installing the next set will cover this card and cannot be tested. The input is connected to the gigabit network card of the computer. For those who are not familiar with it, after fastening the stainless steel edge, the module can be opened. Two angle steel hooks are made at the top of the wall, and the output network port is connected to the input port of the second card. The internal size of the small square steel is 5130mm * 2314mm, and the four corners and the middle are cut into small sections with the remaining 4 * 4 square steel, which can be welded on to facilitate stainless steel wrapping. This way, each power supply can carry four modules, and if the cables are inserted backwards, it will not burn the module or card, This installation method saves a lot of costs compared to purchasing a full screen. When outputting 5V, be sure to focus on the positive and negative poles, with the module's arrow pointing upwards.

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