When troubleshooting the S19 hash board, if the powering is normal, then we need to continue to check its 5 signals. When checking the signal, it is mainly to check whether the voltage of each signal is correct. If the voltage is abnormal at a certain chip, it may be that the chip is faulty. At this time, we need to focus on checking the chip. This video mainly explains the measurement methods of 5 signal voltages.
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