④ Detect whether the pins of the 1st chip are certainly not soldered thoroughly (you will discover tins to the pins with the facet during the repair procedure, but soon after eliminating the chip, it is actually observed the pins are not stained with tin); Examine far more Disclaimer: https://devintncre.kylieblog.com/31993598/antminer-s19-hashboard-repair-can-be-fun-for-anyone