[FIXED] A1466 - no backlight after liquid event @ LVDS connector

[tawnytim]

Very small liquid damage. Machine powers up but no backlight. F7700 OK and 8.5v present there. What to check next?

 

[2informaticos]

Did you try another LCD assembly?
Checked XW7720 integrity?

Possibly corrosion under U7701.

 

[tawnytim]

OK, I will try another display, and reflow U7701. I don't understand how to check integrity of XW7720.

 

[tawnytim]

I found damage on the reverse side. I will report back.

 

[2informaticos]

XW7720.rar

drive.google.com

 

[tawnytim]

The backlight came back after I re-flowed U7701. Thank you for your help!