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LCD drive board several common faults:1: Initialize the LCD monitor's power-on setting screen after booting.2: Detect the input video signal, if there is no signal detected, it will prompt “no signal

The power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. It is generally composed of a casing, a power transformer and a rectifier circuit

Open switching power supply off-the-shelf, free shipping, open switching power supply work process is quite easy to understand, in the linear power supply, let the power transistor work in linear mode