Antminer S9 series repair course

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How to properly troubleshoot and repair the Bitmain Antminer S9 series? According to information collected by ZEUS MINING sales from customers, the cost of repairing an S9 hash board in the United States can be as high as $200. Therefore, Antminer S9 hash board maintenance is the most important course for learning ASIC miner repair, explaining in detail the structure of the S9 hash board, the main powerings and signal transmissions. Besides that, here you can also find Antminer V9 hash board repair course, S9j hash board repair course, S9se hash board repair course, etc.