[SOLVED]A1278 2009 (820-2530-A) No Video Via LVDS

[samwigman]

Hello Board Repair People

I've got a customer A1278 2009 with neither video nor backlight response on the built in display. After reading various things that apparently weren't credible I decided to order a new display on the basis that the board was fine if I could get video via thunderbolt, which I can. I do not get any video on the new display. So now I've taken the board out like I should have done in the first place, and it appears I have some liquid damage. I'd like to know what would be involved in the repair, or whether it's something I should recommend to the customer. It looks like working boards for sale start at 180, which to me would total a C2D laptop of any sort.

Thanks
Sam

http://imgur.com/a/w0g1m

 

[larossmann]

You're covering everything I need to see.

Firstly put it through an ultrasonic cleaner, that looks like shit!

Secondly check voltage on each side of L9004 and L9008, which probably are corroded, under the speaker.