105681.71USD
88.51USD
2.18USD
0.19USD
2543.74USD
17.14USD
660.18USD
157.2USD
0.37USD
0.09USD
0.19USD
Post Q&A
HashBoard PSU Control board Overclock Downclock Liquid cooling Mine construction Operation and maintenance
What could be the issue if Q5 on the S9K, when removed and tested, shows a reading of 0.8, while Q8 on the faulty board has an abnormal input?
@BTC-Miner
2023-07-08 09:46
519
1
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@Ada
1\ Test the diode value and voltage of the 3 transistors Q5,Q14,and Q15 comparing the working hashboard. 2\ Test the DC-DC circuit.Remove all components related to short circuits on the board. 3\ Connect Q5 Pin-G to D3 and inspect the boost section for any issues.
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