Full -color LED display common fault detection method.outdoor led display wholesale

　　With its unique creativity and high -definition visual experience, the full -color LED display has become a favorite device for users. The full -color LED display sometimes fails due to improper use. Today, I will tell you how many A common fault detection method.

　　If you want to do good jobs, you must first benefit your instrument, so you must safely perform maintenance work on the LED display, prepare common tools such as multimeter, screwdriver, etc., and perform maintenance in the order of severe to slightly. It should be processed first.

　　Short -circuit detection method: Using a multimeter to adjust to a short -circuit detection file. When it is detected as a short -circuit failure, it is treated with priority to avoid damage to other devices. At the same time, pay attention to processing when the device is powered off.

　　Voltage detection method: Using a multimeter to adjust to the voltage gear, test whether the voltage of the fault circuit board is consistent with the voltage of the normal circuit board.

　　Voltage Detection Method: Use a multimeter to adjust to the diode voltage drop detection file. When there is a current on the pin, there will be a voltage drop. According to the voltage value reduction, it will be determined whether it fail It is not recommended to use this method in the detection device of high resistance, because it is not detected.

　　Resistance test method: Use the universal meter to the resistance gear to test whether the resistance of the fault circuit board is consistent with the resistance of the normal circuit board.

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