录像机比电视机或收音机、录音机的结构复杂,可能出现的异常现象也就更多,维修的难度更大。录像机某一表面上看起来很简单的同一异常现象,却可能是由许多互不相关的因素造成的,而有许多不同的内部故障却会有相同的外观症状,这就增加了录像机维修时的复杂性。录像机是机械和电气紧密结合的产品,它的故障可以分成机械系统和电路系统故障两大部分。 Video recorders than television sets or radios, tape recorders complex structure, there may be more anomalies, maintenance more difficult. The same anomaly on a videocassette that looks very simple on the surface may be caused by a number of unrelated factors and many different internal faults have the same appearance and symptoms, Complexity. VCR is a combination of mechanical and electrical products, its failure can be divided into mechanical systems and circuit failure of two major parts.