| 故障表现为：耳机无音 分析与检测：开机试TV，AV图像声音都非常好，插耳机没声音，测耳机功放N901的8脚供电没电压，经查为L902供电电感漏装，装上L902试机耳机正常。L902焊盘没动过铬铁应该是生产过程中漏测耳机功能。 |
|Archiver|手机版|家电维修论坛
( 蜀ICP备19011473号-4 )
GMT+8, 2024-6-17 05:25 , Processed in 0.106643 second(s), 16 queries .
Powered by Discuz! X3.5
© 2001-2024 Discuz! Team.
