拆机测量行管正常,但校正管D1499,二极管FMLG16S,BA158*2,电解1UF/250V爆得只有两只脚,224/630V容量尽失,校正供电电阻1。5欧/2W断路。但没有购到BA158,用FR309一个代换,电解用1UF/450V的,FMLG16S用STTA506F代换,试机正常。 |
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