TCL维修实例 TCL2910C垂直一条亮线 ,开机垂直一条亮线,伴音正常,看10分钟后三无,电源指示灯亮. 查偏转线圈两端只有10V,电感L413脱旱.补旱后有光栅,但图象枕行失真.测枕校电路中Q722电压正常,但D421 C421发热严重,更换后正常. 摘自家电维修2005 56页 |
|小黑屋|最新贴|维修网
( 粤ICP备09047344号 ) 
GMT+8, 2025-5-10 01:18 , Processed in 0.434879 second(s), 22 queries .
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.
