徒弟:在掌握了无绳电话机的电路结构和信号流程后,请师傅接着介绍无绳电话机的检修方法。师傅:好,首先介绍一下无绳电话机的常见故障和检修时应注意的问题。无绳电话机常见的故障有:副机摘机无拨号音,即副机不摘机;主、副机不能互相呼叫;市话不能呼叫副机;副机音频不发号且不送话等。 Apprentice: After mastering the circuit structure and signal flow of the cordless telephone, the master then introduces the method of cordless telephone maintenance. Master: Well, first of all introduce the common faults of cordless phones and maintenance should pay attention to the problem. Cordless phone common faults are: Vice-machine pick-up no dial tone, the deputy machine does not pick up the machine; the main and auxiliary machines can not call each other; local calls can not call the auxiliary machine;