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Steve Markgraf steve at steve-m.deHi, On 29.07.2013 00:09, ubuntugirl wrote: > Using your PCB layer pictures, I've traced the PWL signal to the 6-pin > IC near the SPCA. The IC label reads "A3-90E", and considering the > inductor right next to it, I'm guessing that it's a boost converter > for the backlight LED. I'm sure you saw this IC too when you were > figuring the BL out - were you perchance able to figure out the full > name / part # of this IC, or maybe even find a datasheet for it? No, and I didn't really care about it to be honest, since it just works. > I thus gather that you had (most of) the actual pinout figured out at > some point. Would you perchance still have it somewhere in your notes? Unfortunately no, I checked if I still have it on my laptop from 28c3, but it doesn't seem like it... Regards, Steve