The Best National Computer Training School in Shandong Province

Shanke Computer Training in Shandong Science and Technology Training Center

Computer maintenance engineer (desktop and notebook chip level maintenance) training

Computer assembly and maintenance

Computer hardware options, assembly practice, CMOS and BIOS settings, understanding computer assembly steps, skills and precautions, and mastering software installation and configuration, operating system (DOS operating system), disk tool Ghost and hard disk partition magic, and soft and hard faults.

CRT display

explains in detail the circuit foundation, electronic component resistance, capacitance, inductance, transformer, crystal oscillator, semiconductor diode, triode field tube, IC integrated circuit, principle of special components, amplifier circuit, rectifier and its voltage stabilizing circuit, and measurement quality of physical components. How to look at the circuit diagram and analyze the working principle of circuit design by using the circuit diagram.

LCD:

LCD's principle, structure, disassembly and assembly method, detailed circuit, LCD power board circuit principle and maintenance, high-voltage board circuit principle and maintenance, driving board circuit principle and maintenance, screen measurement, screen distribution and driving board, etc., screen model identification, circuit board maintenance, EEPROM writing, using upgrade head to write general board, online upgrade writing program, and maintenance methods and interfaces. Maintenance methods of voltage measurement assembly and modification, white screen, jitter, vertical belt, black belt, white spot, flower screen, black screen, red screen, blue screen, etc., lamp tube replacement, film replacement, backlight treatment, power supply board, high-voltage board driver board, LCD screen, TV, etc., and common faults of various brands of LCD, etc.

hard disk maintenance

hard disk body structure, hard disk interface technology, hard disk circuit board, soft and hard faults, hard disk maintenance methods and testing procedures, and welding technology. Maintenance of hard disk circuit board, explanation of hard disk opener, replacement of magnetic head assembly and disk can solve the problems of abnormal sound of disk body, deadlock of magnetic head, BIOS denial, inability to partition, unformatted, bad track and so on. Advanced data recovery, through certain manual operations and algorithms, solves the unique problem of data loss.

mainboard maintenance

The working principles and maintenance of the original devices and chips on the mainboard, the startup circuit of the mainboard, the power supply circuit, the clock circuit, the reset circuit, the basic input/output system (BIOS) circuit, the I/O interface circuit, and the working principles of the graphics card and the sound card. Analysis, detection, elimination and welding technology of common faults of motherboard. Key test points, bus expansion slot key test points, troubleshooting, BIOS writing, mainboard common maintenance methods, skills, ideas and processes.

maintenance of memory, video card and sound card. Welding of components, BGA chip, welding of CPU broken pin, repairing of broken wire and using of maintenance tools

II. Chip-level maintenance technology of notebook computer

External and internal structure of notebook computer, shell of notebook computer, mouse of notebook computer, interface of notebook computer, CPU of notebook computer, motherboard of notebook computer, memory of notebook computer, display card and display screen, CD-ROM drive and sound card. Installation and configuration of notebook computer, BIOS and CMOS foundation, BIOS setting of common notebook computer, partition operation of notebook computer, installation and configuration and testing of notebook computer operating system, notebook computer network connection scheme, networking foundation, notebook computer internet access scheme, notebook computer software troubleshooting, and notebook computer hardware troubleshooting

The working principles and troubleshooting of notebook protection isolation unit circuit, system power supply unit circuit, CPU power supply unit circuit, charging unit circuit and local power supply unit circuit are comprehensively explained. Chip identification, CPU working principle, power management, notebook motherboard, detection and maintenance of audio and video control chips, BGA chip welding, LCD screen detection, substitution, screen line replacement, high-voltage bar replacement and substitution, password failure, IBM175 error fault, use of special detection card for notebook motherboard, no power supply, power failure, flower screen, white screen, black screen, BIOS setting, Serial-parallel, USB interface, keyboard, CD-ROM drive, battery and charging circuit failure, circuit analysis of the whole machine BGA welding: replacing notebook integrated circuits, chips and battery maintenance, fully mastering the disassembly and maintenance skills of notebook batteries, working principle of notebook batteries, circuit board failure maintenance, battery replacement principle, internal resistance test, and battery combination methods and skills provide a lot of practical opportunities.

Give away five items: printer maintenance, electronic circuits and components, LAN assembly and management, LCD maintenance, and office automation.