Was scratching my head a bit for this one so posting it here as I've seen nothing like it elsewhere. Fault presentation is 5V on both USB ports, loops from 0 to 0.1A repeatedly. No apparent shorts, and board is clean other than a corrosion spot directly under the CPU (I'm guessing from dead insect decomposing). Components affected are C8126, C8127, R2107, R2106, R2109, R2108. The worst damage was the two caps and R2107. Caps just fell off and nothing left of the pads. Pads for the resistors all looked ok so I thought how lucky is that.
So replaced all 4 resistors but the fault still...
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