
Training for ppt reporters on mobile circuits: the xx catalogue 01 training course on basic knowledge of mobile circuits 03 for the diagnosis of circuit failure 04 for mobile circuits 05 for the evaluation of the effectiveness of mobile circuit maintenance techniques 05 training course on the principles of circuit design for the parte01 course, which provides a solid basis for practical operation by providing a solid basis for the mapping, selection and layout of electrical circuits for basic circuit design. Understanding the working principles of mobile phones provides an insight into the working mechanisms of internal circuits and how they interact with software through case analysis. Learning on failure diagnosis and maintenance to develop diagnostic methods and maintenance techniques for common cellular circuit failure to improve the ability to solve practical problems. Targets and requests for training are for students in electronic engineering and technicians in mobile phone maintenance, and basic circuits are required. The target participant's background emphasizes practicality and requires participants to complete at least one mobile circuit maintenance project during the training. Trainees are required to complete initial courses such as basic circuit analysis and digital logic design to ensure the effectiveness of the training. The aim of the course was to help the participants acquire the principles of mobile phone circuit design and improve their capacity for trouble diagnosis and maintenance. The first course on skills upgrading will require a one-week course on hands-on competencies and time students to learn the basics of mobile telephone circuits through video lectures and teaching materials. The theoretical learning stage is under professional guidance, and the participants will perform a two-week decomposition and failure diagnosis of cell phone circuit boards. By analysing real cases at the hands-on stage, participants will learn how to solve practical problems for a period of three days. After the completion of all courses at the case analysis stage, the participants will take the theoretical and practical examinations and the qualified will be certified. The review and certification of the basics of mobile circuits, part02, consists of power supply management circuits responsible for the power supply of mobile phones, including battery charging, voltage regulation and power distribution. Power management audio-processing circuits are responsible for mobile phone calls and multimedia broadcasting, including microphone input and signal processing for loudspeaker output. Audio-processing radio circuits handle wireless signals of mobile phones, including receiving and transmitting data, are central to cellular communications. Common circuit elements of radio-frequency circuits, which restrict current flow, are common elements of circuits, such as charging circuits in mobile phones. Resistor capacitors store and release electrical energy for filtering and signal stabilization, often in the power management module of mobile phones. The capacitors' diodes allow currents to move in a single direction, for current management and signal control, and are key components of mobile phone chargers. The diode transistor amplification or switching electronic signals are used to magnify circuits and logical controls, such as radio frequency amplifiers for mobile phones. Transistor integrated circuits integrate multiple electronic components into a chip and are at the core of mobile phone processing and storage. An integrated circuit chart reading technique with a standard symbol for elements such as electrical resistance, capacitive, diode etc. Is the basis for reading circuit charts. The mastery of circuit connections, such as coupling, facilitates a rapid understanding of the workings of circuits. The 02 power supply and site are key points in the circuit map and proper identification of their location is essential for understanding the circuit function. From input to output, tracking the flow of signals can help understand circuit workflows and signal processing. 04 the id element symbol understands the circuit connection to analyse the power and relay the signal to the cell phone circuit failure diagnosis of part03 failure to confirm whether the cell phone is charged properly and whether the battery is damaged, which is the first step in the diagnosis of the cell phone circuit problem. Check the electrical power and battery to test the sound of the phone, the sound of the call and the loudspeaker for normality in order to eliminate the audio circuit failure. Check the volume and loudspeaker to check whether the signal reception and launch function of the mobile phone is normal by dialing to test the telephone or using signal test software. Tests if there are abnormal displays on the signal reception screen, such as black screens, flower screens or tactile failure, to determine whether the display is normal. The observation screen shows the robustness of the connections between the various hardware components, such as battery connections, sim slots and internal lines. The hardware connection examination of common cases of failure analyses the reduction in flight caused by the ageing of batteries and how battery health can be tested through software tools. Batteries continue to address common causes of slow or non-reactive response to touch screens, such as screen damage or system software failure. Touch screen failure describes the weakness of the signal caused by antenna damage or software error, and the corresponding diagnosis and solution. Bad signal reception analysis of the reasons for the silence of the speaker or the inability of the microphone to function normally, including hardware damage and driving problems. Audio output failures discuss cases of failure to charge or charge abnormal rates, including recharge interface damage and power management ic issues. The charge failure method is to determine the normality of the power circuits and quickly locate the source of the failure by measuring the voltage of the critical points on a single scale. Thermal imagers are used to detect voltages for the purpose of observing the heat of circuit boards, identifying overheating elements and preventing potential failure points. Thermal image monitors the signal path using tools such as oscilloscopes to check whether the signal is lost or lost during transmission. Signal tracking uses specialized software tools for systematic diagnosis and rapid detection of software-level failures and performance bottlenecks. The software diagnostic tool 01020304 mobile circuit maintenance technology parrt04 maintenance tools and equipment using hot wind guns to remove and weld elements on the circuit boards of mobile phones are essential skills in maintenance work. Thermal wind pistols and welding tool oscillators are used to detect circuit wave shapes and the universal meter is used to measure voltage, currents, etc., and are key equipment for the diagnosis of circuit problems. The oscilloscope and the muscular screwdriver are used to remove mobile phone casings and internal components and are prepared for maintenance. The screwdriver kit provides a stable working environment and electrostatic tools prevent electrostatic damage to sensitive mobile phone circuit components. Maintenance tables and static tool maintenance processes use specialized tools to detect mobile circuits, identify fault points accurately and provide a basis for maintenance. The failure diagnosis removes mobile phones in accordance with standard procedures and cleans circuit boards to ensure that no new problems are introduced in the maintenance process. Dismantling and cleaning replaces damaged electronic components, such as electrical resistance, capacitating or integrated circuits, based on diagnostic results. The replacement element applies the correct welding technique to ensure that the new element is well connected to the circuit board and avoids welding or short circuits. Welding technology replacement component is followed by functional testing to ensure that mobile telephone circuits return to normal work and no new malfunctions occur. The functional test maintenance safety precautions ensure that the equipment is completely out of power and avoids the risk of electrocution prior to mobile circuit maintenance. Electrical outage maintenance personnel should wear electrostatic wristbands or use electrostatic cushions to prevent electrostatic damage to cell phone sensitivity elements. Use appropriate maintenance tools to avoid improper use leading to damage to circuit boards or components. The proper use of tool batteries is a flammable and explosive substance, which should be handled carefully to avoid overloading, overloading or high temperature. Properly treat batteries to avoid short circuit 12345, while dismantling or welding, with care to prevent short circuits resulting from exposure to metal tools or components. The basis for the design of the parte05 circuit based on the interpretation of circuit chart symbols and connections is the first step in understanding circuit design. The reading and understanding of circuit charts understands the functions of elements such as resistance, capacitor, transistor, etc., and the selection of suitable elements is essential for circuit performance. The function and selection of electronic components for circuit design tests using circuit simulation software such as multisim can be detected in advance. The application design applications of the circuit simulation software use specialized software such as altiumdesigner to map the circuits to improve design efficiency and accuracy. Circuit mapping tool 01 uses simulation software such as spice to conduct circuit simulation tests to ensure that circuit design performance is in line with expectations. Simulation software application 02 uses software such as cadence allegro for pcb layout design to optimize signal integrity and reduce interference. The pcb layout and wiring-03 design case and practice described the use of specialized circuit design software, such as altiumdesigner, for the layout and wiring of cellular circuit boards. Circuit design software application 01 analyses how the integrity of signals and the reduction of interference can be ensured through simulation software in high-speed signal transmission. The signal integrity analysis 02 explores how efficient power management circuits can be designed to extend the useful life of mobile phone batteries and maintain performance stability. Power management optimization03 explains how the temperature of mobile phones is controlled and overheating is prevented in the design of circuits by the optimization of dispersing materials and layouts. The part06 theoretical examination 01 written examination for the evaluation of the effectiveness of the heat management strategy 04 assessed the degree to which participants had mastered the theoretical knowledge by designing a written examination that included the choice of electrical principles, component functions and questions and answers. The 02 online test uses an e-platform for instant online testing to provide quick feedback on the learning results of participants while facilitating statistical analysis of the effectiveness of training. The case analysis report requires participants to analyse and prepare reports on actual circuit problems and to examine the capacity of their theoretical knowledge to be applied to practical problems. The performance test for the performance test for the performance test for exercise skills was 0103, which used specialized tools to test the performance of mobile phones, such as signal strength, battery renewal, etc., to test the participants ' practical skills. The participants ' proficiency in the installation of components such as circuit boards, batteries, etc. Is assessed by simulated cell phone assembly. 02 set up specific cell phone failure scenarios to examine participants ' ability to diagnose problems and solve problems。feedback from the troubleshooting training and improvements in the collection of feedback from participants on the content of the course, teaching methods, including through questionnaires, interviews, etc




