Antminer S19 Basic Maintenance Theory.Main circuit,components and their test points.How to use the PICkit to flash the PIC program.Introduction to the web interface.
If it is a new chip which will be soldered, it should be tinned with the tin tool.Choose the right model chip,solder it at the proper temperature.
Do not forget to test the five signals' voltage of the chip to verify the chip solder OK or not.
Antminer S19 test platform construction, hashboard,test fixture,data cable, power supply connection and test method.How to use the test fixture.The most important thing is to use the right PSU model or the test data will be wrong.
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