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Showing posts from December, 2020

Antminer APW9 and APW9+ Power Supply Repair Guide

Antminer APW9 and APW9+ Power Supply Repair Guide Apw9 Apw9+ is a high-power PSU with 2 single-phase AC inputs and 2   DC outputs. 1: 14.5v-21v voltage adjustable output, maximum current 170A 2: 12v voltage fixed output, maximum current 12A The circuit board layout is mainly divided into: 1A - The first AC input and EMI circuit 1B - PFC and MOS circuit 1C - 12V auxiliary circuit and VCC circuit 2A -  2nd AC input and EMI circuit 2B - PFC and MOS circuit 2C - 12V auxiliary circuit and VCC circuit 2D - 12V output port and PIC communication port   The vulnerable parts of PSU are: fuse, MOS, rectifier bridge A more detailed circuit diagram is provided in the document for  Reference See more details here  Antminer manuals and repair guide

Antminer s9 profitability

Antminer S9 profitability Now, Cause of Antminer s9 hash rate when we use it to mining SHA-256 cryptocurrency the profit is getting very low, but if your electricity cost is very cheap, I think this miner is your best choice for mining bitcoin. S9 here is a series including S9 S9K S9J S9se etc. but even them the profit is low too, but as I said the electricity cost and this ASIC miner price is the thing you need to consider this miner suitable us or not. How to get Antminer s9 warranty service and repair parts For now, the Bitmain company stops maintenance of Antminer s9 series miners, but this is not a major thing because you can purchase the ASIC miner parts and repair service and tools from us or other places. About Antminer s9 overclock firmware program So, we have the cheap electricity bill and repair warranty now. what do we do for now? the overclock firmware! You can buy it or download it for free. The most important thing is don’t be hacked. Many download firmware program