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故障现象：当插上电源线，打开机器后面板上电源开关，按一下前面板上的ＰＯＷＥＲ／Ｓｔａｎｄｂｙ（Ｐ／Ｓ）键后，机器的图形显示器和数字显示器匀无显示。分析与维修：由于两个显示器匀无显示，所以故障很可能出在电源部分。通过电路分析我们可以看到，从变压器输出的...
Symptom: When the power cord is plugged in, open the power switch on the rear panel of the machine and press the POWER / Standby (P / S) button on the front panel. The graphic display and digital display of the machine are unobstructed. Analysis and Maintenance: Since the two displays have no display, so the fault is likely to be in the power section. Through the circuit analysis we can see that the output from the transformer ...