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I've spent the last week trying to sort my sons brand new Acer laptop for a charging issue after liquid damage.
Originally it wouldn't turn on but I found shorting caps on the 19VB_CHG circuit. Replaced those with the same and the laptop fired up fine, works on charger or battery but won't...
I have an 820-3115 liquid damage around SMC. Originally no magsafe light. Removed and reballed SMC, now I get magsafe and fan spin with the fan at full speed after 5 seconds.
CPU has a little heat in it after a min or so.
ALL_SYS_PWRGD = 3.29v
PPVCORE_S0_CPU = 0.00v
I'm stuck with this one...
Took off the pad, dug down and separated the short. It had burnt the fiberglass layers under it so bad that it was shorting under the pad. I've removed the short now and i'll attempt to run trace wires in its place instead
Hi I have an 00875 board with an exploded C7222. Removed the capacitor and others around it on PPBUS_G3H_CPU.
PPBUS_G3H_CPU is still shorting to ground with them removed but I can't locate the short anywhere. Its 0.000v on diode mode.
I've tried a little voltage an some alcohol to see if...