屏横带维修求助

cjc021

创维49E710U 5800-A8R991-0P20 REL490WY LD0-000 6870C-0505A

file:///C:/Users/ADMINI~1.SC-/AppData/Local/Temp/msohtml1/01/clip_image002.gif下部横带并抖动

脱开逻辑板CN4屏排线半边图像正常

file:///C:/Users/ADMINI~1.SC-/AppData/Local/Temp/msohtml1/01/clip_image004.gif

CN4:11=VGH 12=VGH-000 13=VGH-EVEN 14=VGL11VGH隔离不让它向边板供电

file:///C:/Users/ADMINI~1.SC-/AppData/Local/Temp/msohtml1/01/clip_image006.gif半边有轻微竖带暗影