How to become a qualified mobile phone repair engineerThe penetration rate of mobile phones is getting higher and higher, and the demand for mobile phone repair is also increasing. Therefore, mobile phone repair engineers are a good job, so how can we become professional mobile phone repair engineers?A professional mobile phone maintenance engineer needs to understand the common names, concepts, graphics and text symbols, unit systems, etc. of electronic technology in mobile phones. For example, what is current, voltage, resistance, what is direct current, alternating current, and so on? For some confusing names such as voltage, voltage drop, potential, potential difference, electromotive force, etc., it is necessary to clarify the difference between them, and also to know their text symbols, units, and conversions.Learn the knowledge of components related to mobile phones. Including identification of various components and devices in mobile phones, learning and understanding of the working principles of various components and devices, and mastering the measurement methods of components and devices.Understand the principle of the circuit. Such as the principle of amplifying circuit, oscillating circuit, a switching circuit, and so on. Understand and master the component features and circuit structure of the mainstream models on the market such as iPhone, Xiaomi, Huawei, Samsung, and other brand mobile phones.Understand the working principle and basic circuit structure of mobile phones. Mainly include: how the mobile phone works, the composition of the mobile phone circuit, including receiving circuit, transmitting circuit, frequency synthesis circuit, logic circuit, power supply and charging circuit, interface circuit, to understand clearly in blocks. Starting from the basic electronic unit circuit, learn to recognize diagrams, read diagrams, and draw, learn to analyze the working principle of basic circuits, analyze the circuit along the signal path, from input to output, step by step analysis; to find out what is included in the key points of the circuit For signals, we must know their normal waveforms, amplitudes, voltages, and operating frequencies; we must also understand the functions of circuits at all levels and the role of each component in the circuit.Learn how to use mobile phone repair tools and instruments. Including hot air blower, soldering iron, multimeter, oscilloscope, frequency meter, etc. Master the disassembly and soldering technology of mobile phone components.Look at some mobile phone repair experience and pay attention to learning other people's methods of analyzing and judging faults. You can't just look at what components others have replaced, you have to do it yourself and practice more. In Oriwhiz, you can not only buy the repair parts you need, such as iPhone repair parts, but we also provide you with a lot of repair guides. Welcome to subscribe to our website for more information.Oriwhiz (Shenzhen DongYe Tengfei Electronics Co., Ltd) is a professional iPhone, iPad, iMac, Mac Book, Xiaomi, Huawei, Samsung, Sony, LG, ASUS repair parts and repair tools supplier. Oriwhiz team aims to provide the best quality cellphone replacement parts and repair tools to all customers. We provide comprehensive solutions for cellphone, digital devices, computer repair shops with powerful and handy cellphone repair packages, repair tools, and repair machines. Browse our product category to select an item you like or contact us for wholesale and distribution issues.