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电路如图1所示(见下页)。该机电源电路故障现象多为显示屏不亮,整机不能工作。造成此故障的常见原因有:一是启动电阻R212(100 kΩ/2W)断路;二
Circuit shown in Figure 1 (see next page). The machine power circuit failure phenomenon is mostly not bright display, the machine can not work. Common causes of this failure are: First, start the resistance R212 (100 kΩ / 2W) open circuit; two