A Field Guide to Diagnosing ASIC Hashboard Domain Voltages and LDO Drops
How to systematically trace power domains in Antminer S19 series hashboards using a digital multimeter and custom test fixture to isolate shorted chips.
We train mining technicians, farm managers, and regional solar operators in real-world circuit diagnostics, domain voltage balancing, micro-soldering BGA rework, and high-efficiency cooling in Seaton, Victoria.
Oscilloscope clock signal tracing & LDO power domain isolation on Antminer S19 and Whatsminer M30/M50 series.
Every course and assessment is grounded in mechanical reality, electrical safety compliance, and regional Australian operating conditions.
An intensive two-day practical workshop in our Seaton lab covering hashboard troubleshooting, domain voltage balancing, LDO testing, and micro-soldering.
On-site engineering inspection of your transformer capacity, switchboard sub-distribution, cable ampacity, and positive-pressure ventilation.
Specialized training in dielectric fluid thermodynamics, pump head calculations, dry cooler heat rejection, and fan-spoof firmware.
Located at 42 Church Road in Gippsland, our purpose-built engineering facility houses professional micro-soldering stations, ultrasonic cleaning wash tanks, a 415V 3-phase test board, and a live dielectric fluid immersion loop.
Whether you are learning to balance phase loads on a 250 kVA transformer or tuning custom firmware to shave watts off an Antminer S21, every hour is spent with tools in hand.
Real feedback from farm technicians, electrical contractors, and property owners who completed our technical workshops.
Before attending the Seaton workshop, our approach to failed hashboards was basically swapping entire machines and shipping bad boards overseas for 3-month turnaround times. Learning how to trace domain voltages and replace individual dead ASIC chips using their hot-air preheater setup changed our whole operational workflow. We diagnosed and repaired 34 boards in our first month back on-site.
Our 100 kW shed solar system was getting throttled by Essential Energy almost every sunny afternoon. The workshop gave us the exact Python Modbus script and hardware specs to ramp miner loads up and down automatically. My only reservation was that the Linux network interface setup on the afternoon of day one moved very fast for someone without a coding background, but the follow-up field manual notes covered the gaps.
Most online guides about immersion cooling are sponsored by fluid manufacturers. Smart Work Point showed the raw numbers: pump head loss, heat exchanger fouling factors, and how synthetic fluid actually reacts with stock cable insulation over 12 months. Building out a working single-tank test bench in the workshop gave me the confidence to construct our own 12-rig closed loop.
Practical articles covering signal analysis, Australian thermal airflow design, and power efficiency tuning.
How to systematically trace power domains in Antminer S19 series hashboards using a digital multimeter and custom test fixture to isolate shorted chips.
Design principles for positive-pressure ventilation, evaporative pre-cooling, and exhaust delta-T management when ambient temperatures exceed 40°C.
How to safely remove industrial dust, insect debris, and flux residues using heated ultrasonic baths and controlled drying ovens without damaging SMD components.
Class sizes in our Seaton lab are capped strictly at 6 seats to guarantee uninterrupted one-on-one oscilloscope and micro-soldering bench time.