AV功放采用金属机箱结构,加上它输出功率大、电路复杂,使维修人员在检修过程中会遇到AV功放所独有的一系列问题。这些问题处理不当,稍有不慎,轻则将扩大故障范围,损坏一大片的电子元器件,重则烧毁电路板,甚至引起火灾或触电事故。所以,维修AV功放时需注意它的电气问题。 AV amplifier with metal chassis structure, coupled with its output power, circuit complexity, maintenance personnel in the repair process will encounter a series of AV amplifier unique problems. These problems are handled improperly and carelessly, ranging from widening the scope of the fault to damaging a large piece of electronic components, destroying the circuit board in the worst case and even causing a fire or electric shock. Therefore, maintenance of AV amplifier should pay attention to its electrical problems.