| |

iFix 爱修网

 Forgot password?
 Register

QQ登录

只需一步,快速开始

iFix爱修网知识星球,等待你的加入。。。
View: 7066|Reply: 18

求助,屏电路问题

[Copy link]
Post time: 2015-11-7 09:53:32
| Show all posts |Read mode
正常的驱动板电压5V加到屏电路上就会由0-5V快速跳动,屏电路上有轻微的“嗒~嗒~”响,灯管不能点亮,不连屏线可以点亮灯管,哪位大神知道什么问题...求指点...

This post contains more resources

You have to Login for download or view attachment(s). No Account? Register

x
Reply

Use magic Report

Post time: 2015-11-7 11:08:08
| Show all posts
驱动板  或刷程序
Reply Support Not support

Use magic Report

 Author| Post time: 2015-11-7 11:11:55
| Show all posts
迎客松 发表于 2015-11-7 11:08
驱动板  或刷程序

不是,换了几个好的通用驱动板也一样...
Reply Support Not support

Use magic Report

Post time: 2015-11-7 11:54:43
| Show all posts
边条上的DC-DC电路或者负载查下
Reply Support Not support

Use magic Report

Post time: 2015-11-7 13:55:27
| Show all posts
屏边条上面有短路问题,  , 或者屏COF上面有短路的问题,   ,  ,
Reply Support Not support

Use magic Report

Post time: 2015-11-7 16:37:55
| Show all posts
应该是屏上5V供电有短路了
Reply Support Not support

Use magic Report

Post time: 2015-11-7 21:39:54
| Show all posts
逻辑板换来吗  
Reply Support Not support

Use magic Report

Post time: 2015-11-8 18:09:38
| Show all posts
屏边板有问题。有些逻辑板与屏是一起的,一般维修人员是没法换的。
Reply Support Not support

Use magic Report

Post time: 2015-11-10 15:11:14
| Show all posts
只有修屏边板才能解决,也有可能玻璃基或 TAB坏的(希望不是)
Reply Support Not support

Use magic Report

Post time: 2015-11-10 17:44:30
| Show all posts
了解一下,过来学习一下。
Reply Support Not support

Use magic Report

You have to log in before you can reply Login | Register

Points Rules

QQ|||iFix 爱修网 ( 粤ICP备2021135374号 )

粤公网安备 44060602002064号

2024-10-9 05:34 GMT+8 , Processed in 0.061181 sec., 10 queries .

Powered by Discuz! X3.4

Release 20191201, © 2001-2024 Comsenz Inc.

MultiLingual version, Rev. 850, © 2009-2024 codersclub.org

Quick Reply To Top Return to the list