天气预报15天查询> 生活> 王牌电视黑屏了怎么办

王牌电视黑屏了怎么办

更新时间: 2021-06-08 18:29:53     

1、首先测量一下主开关电源电路输出端各组电压是否正常【正常为:十24V、十12V、十5V、十5VSB电压】;

2、经以上测量正常,这就说明开关电源电路是无故障的,否则就是开关电源电路的问题;

3、即然以上测量都正常,但上电试机故障依旧,这时,接下来在测量一下,背光驱动控制电路芯片,各引脚对地电压是否正常,如有异常,检查芯片异常脚周围元件即可。

关键词: 王牌 电视 怎么办

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1208158/ | 耗时:0.3158 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1208158 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1208158 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1208158 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1103788,2240224,1111662,1125943,1056936,1460988,1118144,1133257,1128075,80354,1224495,490817,1275217,88516,2539200,3097575,1112192,1114332,1123717,1129169,1126184,1122623,1107372,1124191,82147,96202,1297630,481218,1118839,750780) ORDER BY field (ArticleID,1103788,2240224,1111662,1125943,1056936,1460988,1118144,1133257,1128075,80354,1224495,490817,1275217,88516,2539200,3097575,1112192,1114332,1123717,1129169,1126184,1122623,1107372,1124191,82147,96202,1297630,481218,1118839,750780)