先锋液晶电视LED-32B550无光有开机声音
开机查背光电源只有42V,前级却有34v.
以为是灯条问题,经拆开后观看测量每个灯珠没有发现问题,
后用平板LED灯驱动电源测试背光正常,并且测量得背光供电是63v。
更换主板后电视正常。
需要技术服务: 李师傅电话18277394428
本文相关图纸、数据下载,IC资料下载,总线进入方式














| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
先锋液晶电视LED-32B550无光有开机声音
开机查背光电源只有42V,前级却有34v.
以为是灯条问题,经拆开后观看测量每个灯珠没有发现问题,
后用平板LED灯驱动电源测试背光正常,并且测量得背光供电是63v。
更换主板后电视正常。
需要技术服务: 李师傅电话18277394428
本文相关图纸、数据下载,IC资料下载,总线进入方式健康养生 | 商场新品 | 股市K线、指标知识 | ||
装修案例 | 网站建设 | 电器维修 | ||
电器资料 | 下载 | 读书 | ||
珠宝玉器 | 在线电视台 | ||||||||||||||||||||||||||||||||||
|
![]() |
没有任何评论 |