Avalon A9 series repair course

The AvalonMiner A9 series hash board maintenance course tutorial mainly explains the working principle of the hash board and the troubleshooting method of specific faults. Easy-to-understand courses can help you quickly understand the principles and maintenance ideas. The specific courses include the powering process of the A921 hash board, the transmission direction of the signals, the demonstration of the voltage test point, etc. The combination of theoretical courses and operation exercises can make it easy for you to learn. Quick to master. The Avalon online course launched by ZMRC can help newbies become ASIC Avalon repair masters.

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  • Avalon A921 hash board repair tutorial

    Avalon A921 hash board repair tutorial

    Avalon A921 hash board has a total of 26 ASIC chips. The hash board has the same structure as the A821. Each chip is a voltage domain, and the voltage domains are connected in series. There have domain powering, LDO powering and boost circuit powering. The maintenance of the A921 hash board is mainly to repair the powering and signals. The repair idea is to check the voltages first, and then check the signals.
  • Measurement method for Avalon A921 hash board powering unit

    Measurement method for Avalon A921 hash board powering unit

    AvalonMiner A921 hash board power supply unit voltage measurement. This course video explains the specific test points and corresponding voltage values of each power supply unit voltage on the Avalon A921 hash board. For example, the input voltage of the LDO is about 3.5V, the domain voltage is 0.4V, and so on.
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