| 此机通电，观察电源指示灯LED21未发光，LCD也无初始化界面。拆开底壳就闻到一股绝缘漆焦味。查看发现电源变压器T1已烧焦。用一个220V/16V/6W的国产变压器更换后故障机修到这里，终于修好值得探讨。。 |
|Archiver|手机版|家电维修论坛
( 蜀ICP备19011473号-4 川公网安备51102502000164号 )
GMT+8, 2025-8-12 14:46 , Processed in 0.209105 second(s), 16 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.
