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Grading folks, This one is doing me in. History LD. Attempting to boot to OSx results in a hanging pinwheel. ASD EFI hangs at "loading video controller devices" yet ASD OS loads without issue. I'm using an external keyboard and mouse so palm rest sensor trips, all other sensors are happy. I'm...

Despite my attempts on the googles it remains unclear where to find a bga stencil appropriate for gmux reballing. Specifically a 2850 (as well as subsequent mlb's.) Any hints about proper dimensions or adaptable arrays would be greatly appreciated. Thanks

SMC for 820-3024 (enquiry) Hello all, If the forum TOS permits my asking... Does anyone here in the lower 48 have an SMC for 820-3024 they'd be willing to part with? Please PM to iron out details if you're able to assist. Thanks, Andrew

Which model donor boards offer the "best" sufficiency --» cost ratio for post 2011 repairs in your experience?

Thinking about this small niche and curious what a fair price point for (p)re-balled SMC's might look like. Thanks in advance!

Hey guys, looking for a hint or two on how or whether or not to even proceed with this one. Thanks in advance! No LD visible upon receipt. D7012 was knocked off. replaced and restored pp3v42_g3h green/orange light. Began checking rails and of course everything is present up to PP5V_S4_RS3...

Sold a mid 2012 13" on eBay (yeah I know). The bottom cover was cosmetically pristine however it was not the original piece. The buyer ran the serial number on the cover which apparently returns as being 2011 and opened a return under "not as described" stating that it is not in fact a 2012...

Greetings! Hoping you guys can help me get my head around this one... LD'd *restored to s0 state *chimes on *have backlight *screen is initially a warmer "greyish blue" that visibly begins transitioning brighter until finally white *responds to pram reset j9000 pins burned (replaced)...

No LD visible but dark red TP's all over... So something happened. Restored cpu vcore and ddr rails. All power rails present now Pm_pch_sys_pwrok is present. powers on, continuous fan spin, no usb mouse light. Dead cpu?

I decided to try failing at some bga rework and managed to meet my goal many times since yesterday. sorry about the terrible photos. What do make of this and am I anywhere near a ballpark of any sort?

Can an 820-3024(4gb) SMC migrate to a 2gb version of the same board?

Got around to test driving this one finally, all systems are a go but I get the impression it's not permorming optimally. Originally there were some spi termination components missing, replaced them. Misdiagnosed the U6100 as failing as the board would only turn on after heat was applied to the...

Okayyy.... this one, Reaches S0, chimes, screen light turns on then right at the end of the initial chime it immediately restarts and gives about 3/4 length incomplete chime, restarts, gives a half chime and repeats each time less and less chime audible.

I purchased this board, came fully functional aside from not recognizing battery. Looks clean, no evidence of liquid. U7000 Pin 11 3.4v stable Pin 10 SMBUS_SMC_BSA_SDA moves between 3.4v - 0.15v R5280 2K R5281 2k SMBUS_SMC_BSA_SDA is stable at 3.4v on pin 1 of R5280 while pin 2...

Fan spins for a few seconds during which all S0 rails turn on but fall off after stopping. I've tried changing U2700, checked u7000 current sense's. What should I be looking for at this point in terms of ****_PWRGD signals etc. aside from the S0_Mains verified? Questions: 1) When moving...

I was borrowing an SPI chip from one board for use in another (yes idiotic to begin with) but popcorn'ed it prior to a successful dump. Does anyone have a .bin for a 820-3024 1.6ghz 4gb? Thanks from the past.

This board started out with quarter fan spin. I noticed that one of the SPI_MLB_CS_L resistors was missing and when replaced the board turned on but a day or so later the quarter fan was back. When heat was applied to the U6100 area the board would turn on so I dumped the rom thinking the chip...

After replacing the garbage poly-tantalum easter-egged cap this board is stable, however... (2) errors in ASD OS... (running on a naked logic board FYI) *TsOP temp. (Palm rest test #1) "SMC could not initialize this sensor" - I assume trips because the palm rest is absent...