Avalon 821 Tin Tools whatsminer New CB4 V10 control board

New CB4 V10 control board for replacing damaged control boards in WhatsMiner M20

Good quality

Model: 3600-13-271

If the control board is found to be faulty

APW12 1215b

Avalon 821 Tin Tools whatsminer New CB4 V10 control boardTin tool for Avalon 821 ASIC chip, tin planting tool for A3210SS2006PGXB39 chip, ASIC chip failure is generally caused by chip damage or virtual soldering. Only by better mastering the desoldering technology of Asics chips can we adapt to Hash board repair. How to use Avalon 821 Tin Tools: 1. Fix the chip under the tinned plate 2. Scrape the solder paste evenly on the A3210SS2006PGXB39 chip 3. Carefully take out the chip that has been coated with