Avalonminer A1066 hash board single board report 0 failure
How to repair an Avalon A1066 hash board that finds 0 ASIC chips? First check the power supply of the main power 12V, the boost circuit 17V, and the follower circuit 2V, and whether there are short circuits. If it is normal in the powering unit, use the oscilloscope to check the CK signal of the ASIC chip. The chip with abnormal CK signal waveform needs to check its domain voltage, 1.8V and 0.75V powering to confirm, and replace the faulty chip to complete the repair.