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And everything works perfectly, I can just hear Louis, "use your brain instead of just replacing shit" :D

Ahh, I'm getting lazy :), L3404 is broken, to be continued...

Have this board which shows no sign of water damage. Wifi was working fine yesterday. OS X reports no Wifi hardware installed. What I have done: - Tried different Wifi card - Tried different Wifi/Camera cable - Measured L3401 which seems fine 0.9 Ohms on each side (0,4V when turned on) -...

Me neither, I think i F**k this one up :), thank you

Put some flux under the MCP and reflowed now. Seems I managed to destroy one of the memory slots :). It now passes ASD and boots in to OS X at normal speed, but the fan runs at high speed all the time.

Where is ball G2 and G3?

I get the same at pin 1 on U5515, are they connected somewhere or do they both come straight from the MCP?

What do you think about the idea of just removing R5535 and inject 3.3v directly to U5535?

Not a short entirely, but I measure only 86 Ohms. A working board measures 2500 Ohms

Hmm, I think I found the problem now. There is a short to ground on pin 1 of U5535, even after replacement

Thank you Duke. Area around U5535 seems fine but does not measure right. I think I'll replace both U5535 and the surrounding capacitors. The resistors seems fine.

Some sign of water damage but not around the MCP or the SMC. ASD fails with MCP T1ND On Die sensor to high and the FAN spins high. Anything to do with this one or just throw it away?

Working!! Once again Duke, you are the man :)

Just an update, got this one to work now. Thank you Duke. You put me in the right direction. It was both the keyboard and U5701.

I have done that as well, when I got around to it again today the battery had startet to swell, so I don't have a battery anymore...

Will do, thank you :)

Well, got this water damaged MacBook Air earlier this week. When I got it It wasn't charging or starting. The connector on the motherboard to the IO board was destroyed, so I replaced connector, flat cable and MagSafe/IO board. The computer started and has worked fine for four days. Today the...

Sorry for the late reply. I have now done some ASD testing. The board shows no sign of water damage and the ASD runs fine with no errors.

Got this one today. Won't turn on unless I do an SMC reset. Then starts and shuts down two seconds after login screen. I then need to reset the SMC again to get it starting again. I have already replaced the Poly-Tant capacitor. Any idea on where to start on this one?

Yes, to have one that works on everything, you should get an 85W MagSafe 1 and a MagSafe 2 converter for the newer boards