[attachimg]电脑维修AAA 发表于 2025-12-14 07:10
请教大神：“先不上场管，通电，283H27的3脚有脉冲电压”你的这一步是怎么判断出来的，脉冲有出来，多多指 ...
![CFXR3722[1].JPG](data/attachment/forum/202512/13/145601krcrnxnejrxr1t1g.jpg "CFXR3722[1].JPG")
手机版|家电维修技术论坛 ( 鄂ICP备09003585号-2 )
GMT+8, 2025-12-15 07:05 , Processed in 0.185439 second(s), 7 queries , Gzip On, MemCache On.
Powered by Discuz! X3.4
Copyright © 2001-2020, Tencent Cloud.
CFXR3722[1].JPG
