今天修一一台TCL2180EB电视,CPU-M16V2-S.信号处理LA76810A,TV正常,AV输入无图无声!按AV\TV转换键CPU-M16V2-S,37脚有0V.5V变化,信号处理LA76810A42脚始终为0V.AV信号是经C901\10uF到LA76810A42脚的,(不通过IC901\4053),把LA76810A42脚外围断开也是0V,LA76810A43脚5V正常,是否LA76810A损坏?那位有TCL2180EB(CPU-M16V2-S.信号处理LA76810A)图纸上传一份,谢谢!
