071024| Basic requirements: ||1. Comply with the rules of the training room to improve the efficiency of training. ||Operate various mobile phones more, master the skills of use, and know more than customers to distinguish which are real faults and which are caused by improper use or network reasons. Know simple maintenance methods to improve maintenance efficiency. Be familiar with the basic principles and be able to apply them to fault analysis to avoid detours; welding technology is particularly important in rework, so practice more. ||2. Convert complex principles into simple operations to serve maintenance. When you want to measure a certain point, you must first know the purpose of measuring it, and you must first know what that point is like according to the principle before measuring it. On the basis of understanding, take notes in your own way. ||3. Remember the block diagram of a model, be familiar with the schematic diagrams of more than two models, remember the role of each circuit in the mobile phone, and the conditions required for normal operation. Performance, judgment method, and simple handling method when a fault occurs. Remember the characteristics of common components and master the replacement of common components. ||Use the drawings flexibly and repair the new model with reference to the old model drawings. ||Fourth, take notes on the maintenance ideas, detection methods and other aspects in your own way. Mark the drawings more. Otherwise, it will be difficult to remember. ||Common circuit diagrams of mobile phones: ……
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