Maintenance Training for Communication User Terminal Devices (Telephones)

Author: Ren Deqi
Publisher:
Publish Date: 2002-06-01
Features: This book is one of the series textbooks for the key specialty of vocational and technical school teaching reform—Telecommunications Technology. It is based on the teaching syllabus of "Maintenance Training of Communication User Terminal Equipment (Telephones)" for vocational and technical schools issued by the Ministry of Education, and is combined with the current characteristics of vocational and technical education, adapted to the current situation. The book takes the HA868 series telephones, which are widely used and have representative circuit designs, as the main training objects. It is written according to the characteristics of telephone maintenance skill training. The entire book is divided into 7 chapters and 18 topics, covering the following content: fundamentals of telephone maintenance, fault diagnosis and testing of ringing circuits, polarity protection circuits, dialing circuits, and talking circuits, analysis, testing, and fault repair of telephone circuit boards, and testing and maintenance of cordless telephones. This book can be used as a textbook for secondary vocational schools, technical schools, and vocational colleges, and is also suitable for various training courses and personnel engaged in telephone production and maintenance.