In accordance with the programme of guidance for secondary vocational schools focused on the construction of specialties (e. G. Applications and maintenance of electronics and appliances) issued by the department for the advancement of educators in slow rooms, and taking into account the actual development of secondary vocational education in recent years, the instructional philosophy of vocational education “service-oriented, employment-oriented and competency-based” has been implemented, taking into account the relevant vocational qualification criteria or criteria for the identification of vocational skills in the trades, as revised in 2003 on the basis of the teaching aids for the national planning teaching materials for secondary vocational education published by the higher education press, the practical instructions for the maintenance of sound equipment. The main elements include: the assembly of block colourers for radios (am/fm tuners), including currents and overhauls; the installation and overhauling of taped money north of the recorder; the assembly and overhaul of stereophones; the assembly and overhaul of stereo amplifiers; and the calibration and performance of cd machines (lasers). In order to make it easier for a generous reader to use, the book is accompanied by a practical report. Audio equipment maintenance practical training (electro-electro-application and maintenance) is equipped with hands-on multimedia modules for audio equipment maintenance, including modules on whole machines (mechanical awareness, expert lectures, pyrotechnic smoker layout, integration), maintenance guides (facility phenomena, failure analysis, principle circuits, overhaul processes, failure detection, troubleshooting), animation teaching, challenge self, field exercises, etc. The curriculum, which has both a teaching and learning assistant function, consists of animated animations, simulations of the end-of-life resources, which are used for teaching presentations in teachers ' classes, and interactive modules for students, which take into account self-learning. The physical training in sound equipment repairs and inquiries (electron and electrical applications and repairs) can be used as a practical guide for the application and maintenance of electronics and appliances in secondary vocational schools and related specialized audio equipment principles and maintenance courses, as well as for job training。
