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例1 机型:牡丹54C10A型遥控彩电。故障现象:开机出现“三无”.且面板指示灯不亮。检修方法:打开机壳后发现2A保险丝已烧断变黑。说明电源存在短路现象.
Example 1 Model: Peony 54C10A remote color TV. Symptom: boot appears “three no.” And the panel indicator is not bright. Maintenance method: Open the case and found 2A fuse has been blacked out. Description of the power supply short circuit phenomenon.