alright, figured out where R5526 is, getting 4.5 on p1 and 4.35 on p2. since I replaced the SMC and I'm still getting the exact same error, does it seem possible that the trace going from r5526 to pin7 on the SMC is gone?
(for future reference, C5526 is right beside what is C5441 on the 820-3302 schematic, and R5526 is right beside it. )
(for future reference, C5526 is right beside what is C5441 on the 820-3302 schematic, and R5526 is right beside it. )