The maintenance of lcd television requires a digital watch, a wind rifle with static thermostat, a oscillator. A friend who's fixed crt paints will know that an integrated block above 20 feet is broken, that it takes more than 30 minutes to remove it with a branded iron, that it's only about 10 minutes with a wind gun, and that the welding does not damage。
The oscillator is an electronic instrument for displaying and observing signal waveforms, which can be used to observe and directly measure the size and periodicity of signal voltage in lcd television, to determine whether detected voltages are malfunctioning based on detected waveform parameters and to determine the speed of failure by progressive maintenance。
If the failure caused by the power sector normally involves the replacement of spare parts, it is normal. If the engine fails, the power-related voltage is checked for normality, and if the engine failure results in two sets of power not having an output voltage, then it is certain that the plate has malfunctioned and needs to be replaced。
Since the first step in defusing the malfunctions is to analyze the faults, you do not know the circuit structure and the signal flow of lcd, do not know the voltage power data of lcd circuits, do not know how to control lcd circuits, and you feel like you don't know where to start repairing them. If you don't learn basics, you won't be able to quickly fix lcd tv。
You're just gonna fix some superficially simple malfunctions. The maintenance technology cannot be updated and kept as it is, and in the future you will face the era's phase-out. So to learn how to maintain lcd tv, it is important to understand the working principles of lcd screens, the working prerequisites, and the new circuit technology, the application of new metaware. For example, in the case of mos, there is a need to strengthen theoretical learning in this area and to build up some technical knowledge of maintenance. You'll keep up with the development of electronics and become a good lcd maintenanceer. You will be honoured, and you will have infinity。
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