Whatsminer M20S Manual Downlaod

Whatsminer M20S Manual Downlaod


Whatsminer M20S Hash board Repair Guide Manual Download

This version contains the basic circuit schematic diagram and chip signal direction and voltage introduction

We are currently publishing in Chinese, the English version will be released soon

Basic overview:

Whatsminer M20S single hash board uses a total of 105 hash chips, the model is "KF1920", and the signal direction is sequentially transmitted from U1 to U105.

Signal direction: "CLK / RXD / RST/CTSI", transfer from U1 to U105, "TXD" transfer from U105 to U1


The whole board has a total of 35 voltage domains, each voltage domain contains 3 chips, a total of 105 chips


Hach board provides 5 test points for easy inspection and maintenance

They are: "CLK / TXD / CTSI / RXD / RXT"


By measuring the voltage and resistance of the test point, you can find the corresponding bad chip

click to download:Whatsminer M20S Hashboard Repair Guide

Related maintenance tools:

ZHIPU electric screwdriver set with two batteries and various screw heads

PICkit4 In-Circuit Debugger Programmer

Medium temperature solder paste

ANLIXIN-862D High Quality Desoldering Station Combination Tool

Click to see more miner maintenance tools

This is an original piece. Reproduction in whole or part without written permission is prohibited.
About products purchase, please contact our sales manager:
[email protected]

About miner repair and after-sale issues, please contact the repair manager email:
[email protected]

For business cooperation, please contact:
[email protected]

If you have any dissatisfaction during the transaction or have valuable suggestions for us, please contact us via this email address:
[email protected]

Recently, many companies claiming to be mining companies imitate us and say that they are related to us, or that they are our branch companies, which has caused customers to be deceived. Please be careful not to believe any impostors, please check our correct contact information and beware of being deceived getting scammed, and losing money.
please check our right contact way: Here