雷击电视三无,测TDA16846-2P各脚电压. 
图标               实测
1  2.7/2.6 V           0 V 
1.6/5 V               15-10V摆动
3  1.5/0.7 V            0V 
5.3/3.7 V           0V
5   2.7/1.6V            0V 
6   0/0V                   0V
7   5.1/5.6V            0V 
8   0/0V                 0V
9   5.1/5.1V          0V 
10 10 0/0V                 0.8V
11 4.1/4.2V           3V摆动
12  0/0 V                  0V  
13 1.7/0.9 V           0V
14  11.8/11.2 V       15-10V摆动
资料来源:www.520101.com
将TDA18646-2P换后故障排除.