How to know if backlight short is fixed?
I have a 15" Retina Display that got some moisture in it (visible as bright spots in lower corners of screen) and apparently shorted the backlight, causing the backlight fuse on the logic board to blow. I subsequently put the display clamshell in a plastic bag, along w/ 2 large desiccant bags. That was several days ago. When I have the logic board replaced or repaired, is there any way I can check the display first to make sure it's not going to pop the fuse again?
Thanks,
Fred
EDIT: I have been able to get the fuse replaced (thanks, James!), but found that the backlight short was still present. After another fuse replacement due to popping the first, I'd like to know if there's any way w/ a multimeter (perhaps on the display cable MLB connection?) or other tool to check to see if/when I get the short fixed.
Related question: Since the Retina Display is essentially impenetrable as far as repairs go, can anyone offer tips on how to get any remaining moisture (from isopropyl alcohol) out of it and fix the short?
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25 comentários
Fred turner, do you have a (the) model number of the LCD panel itself? BTW isopropyl alcohol will evaporate rather quickly and should not have stained the display. It does sound more like stains from other residue....
por oldturkey03
Hey oldturkey! GSX shows the part # as: "661-6529. Part substituted to 661-7171." Does that help? I can try to find further identifying markers on the display itself if you are looking for something specific. Thanks! Fred
por Fred Turner
Hey, just saw this comment (not getting emails again)...did you need me to do something further, or are you saying you're looking at the schematic for that p/n? Thx, FT
por Fred Turner
Hey OT-- I don't believe I can get anything from the back of the LCD, since the Retina units are built right into the clamshell. Is there something specific you can point me to? Thx, FT
por Fred Turner
Okay, thanks, I'll check it when I get home. Is pin #1 closest to the hinge? Do I need to ground to a certain other pin, or just somewhere on the chassis?
por Fred Turner
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