微型黑白电视机原理分析与组装

Principle analysis and assembly of miniature black and white television

介绍了型号为"LX—2003"的5.5英寸微型黑白电视机的各元件在电路中的功能和分块分步安装调试的方法。本机以CD2915芯片为核心元件,具有电路简单、电视功能齐全、调试方便、手工装配成功率高、价格便宜、交直流共用及携带方便等优点。它是职业类学校实现"电子产品组装调试"等课程项目化实训教学的最佳选择,也可用其进行可视门铃和视频监视等扩展性实训教学。

This paper introduces each component of the function in the circuit and the method of installing every block stepby-step on the LX-2003 5.5 inches miniature black and white television. The CD2915 chip is the TV＇s core components, the circuit of this TV has simple circuit, complete tunetion, convenient debugging, high success rate of the manual assembly, cheap price, AC/DC shares, and is convenient to carry. This machine is the best choice of project practice, such as the ＂eleetronic product assembly commissioning＂ courses in the vocational school. It also can be used to realize the expand training teaching such as visible doorbelll, video surveillance and so on.