TCL液晶电视采用JSK4300-007、JSK4550-007电源板出现频繁开关机现象不定时关机现象,一般是电源板 TDA16888 9脚供电电路的R19 R119电阻开路变植,多数电源更换后都能排除故障,如 果故障还存在可以将R100电阻更改为0.68欧。一般都能排除故障。 |
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