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RI signal at 0 S9
by
DiskjockeyED
on 13/12/2022, 00:04:26 UTC
Hi guys, small question on a hashboard s9 4.21, I replaced a chip, the clock is well at 0.9 but the RI at 0v, the LDO comes out well 1.8v and 2.5v bottom pin.
All the small resistors are at the right ohm. After soldering the chip, I checked the resistors CLK30 CO30 RI30 BO30 RST30 are good in ohm. I conclude that the chip soldering is good?
Any idea where it comes from?

Thanks!