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松下２１７３彩电故障检修一例故障现象：松下２１７３ＤＨＮＲ彩电开机后三无，但待机指示灯在开机后闪烁几秒后变为常亮。在指示灯闪烁期间机内发出“吱吱”声。分析检修：据此故障现象的特征分析，可初步判断该故障是某种原因引起电源系统保护电路起控所致。打开机壳，...
Panasonic 2173 TV troubleshooting a case of failure Symptom: Panasonic 2173DHNR color TV boot three no, but the standby light blinks a few seconds after the boot into a constant light. The machine squeaks during the flashing of the indicator light. Analysis and maintenance: According to the characteristics of the phenomenon of failure can be a preliminary assessment of the fault is a cause of some reason caused by the power system protection circuit control. Open the case, ...