收到同行送来的故障机壹台TCL D40A261液晶电视,此电视采用的电源板型号是40-EL3910-PWF1XG,故障表现为开机指示灯一闪一闪不开机,拆机测12V电压7V-12V之间跳动。故障在R125,调换820K电阻机子恢复正常。 |
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