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LYS-Crypto Shenzhen Lian Yi Sheng Trading Co. Ltd is a leading global supplier of Crypto Mining Equipment anf Electronic Components, trusted by clients in 100+ countries.

🔧 TECHNICAL GUIDE – BITMAIN APW11A1216-1a PSU REPAIR COMPONENTS LISTThe Antminer T21 power supply is repairable — not di...
05/06/2026

🔧 TECHNICAL GUIDE – BITMAIN APW11A1216-1a PSU REPAIR COMPONENTS LIST

The Antminer T21 power supply is repairable — not disposable.

Our latest technical guide breaks down the complete APW11A1216-1a repair workflow, including the key components, common failure points, and parts every ASIC repair bench should keep in stock.

⚡ APW11A1216-1a Specifications
• Designed for Antminer T21
• 12–16V DC output
• Up to 3610W power
• 200–240V AC input
• Built for 24/7 mining operation

Common failure components covered:
🔹 UJ3C120150K3S SiC MOSFET
🔹 SSW47N60S MOSFET
🔹 TLP5772 1812TB Optoisolator
🔹 TEA2095T Sync Rectifier Controller
🔹 MCA11205 Current Sensor
🔹 TP2262 Voltage Amplifier
🔹 Cooling fans, connectors & protection parts

Typical symptoms:
❌ No power output
❌ PSU communication errors
❌ Voltage instability
❌ Output ripple
❌ Fan failure
❌ Protection shutdowns

A single failed component doesn’t mean replacing the entire PSU.
With proper diagnostics and the right spare parts, repair centers can bring most APW11 units back online quickly and reduce fleet maintenance costs.

🏭 Tested in our Shenzhen repair workflow
📦 Replacement components available
🌍 Worldwide shipping + DDP options
🔧 Built for miners, repair shops & large-scale farms

Read the full APW11 repair guide on LYS-SZ.com

Looking for a powerful cooling upgrade for your Antminer S21 or T21?Our new Industrial Silver Silencer combines high air...
30/05/2026

Looking for a powerful cooling upgrade for your Antminer S21 or T21?

Our new Industrial Silver Silencer combines high airflow performance with reduced noise, making it an ideal solution for professional mining farms, workshops, and dedicated mining rooms.

⚡ Available in 200W & 300W versions
🌪️ Up to 2000 CFM airflow
🔧 Pure copper AC motor
🏭 Heavy-duty metal housing
📈 Built for 24/7 mining operation
✅ Includes 4-pin fan simulators
✅ Compatible with Antminer S21 & T21 series

Key Specifications
• Airflow: 1750 / 2000 CFM
• Motor: Pure Copper AC
• Speed: 1150 RPM
• Voltage: 220V AC
• Outlet: 150mm duct

Whether you’re improving airflow, reducing heat buildup, or replacing stock fans with a more industrial solution, this blower is designed for demanding mining environments.

📦 Worldwide shipping available
📦 DDP shipping options for many countries
📩 Contact us for pricing and bulk orders

🚨 Bitcoin Mining Weekly Roundup – May 2, 2026This week in mining: major signals shaping the future of the industry 👇• Bi...
01/05/2026

🚨 Bitcoin Mining Weekly Roundup – May 2, 2026

This week in mining: major signals shaping the future of the industry 👇

• Bitcoin 2026 conference recap
• Strategic Bitcoin reserve teased
• New efficiency record: 9.45 J/TH

The push for higher efficiency and institutional adoption continues — and miners who stay ahead of these trends will have the edge.

Stay informed. Stay competitive.

🌐 lys-sz.com

Happy Labor Day! 👷‍♂️✨Today, we celebrate the hard work, dedication, and perseverance of workers everywhere.At LYS Techn...
01/05/2026

Happy Labor Day! 👷‍♂️✨
Today, we celebrate the hard work, dedication, and perseverance of workers everywhere.

At LYS Technical Team Shenzhen, we appreciate everyone who keeps industries moving—especially in the mining & repair ecosystem.
Enjoy your well-deserved break, and thank you for building a stronger future.

🔧 Need ASIC spare parts or repair tools?
Visit: LYS-SZ.COM

Reg CRC errors on your S19 or S21? Don‘t replace the hashboard yet.CRC (Cyclic Redundancy Check) errors mean the control...
21/04/2026

Reg CRC errors on your S19 or S21? Don‘t replace the hashboard yet.

CRC (Cyclic Redundancy Check) errors mean the control board and hashboard aren’t communicating properly. It looks scary in the logs, but in most cases it‘s fixable without swapping hardware.
🔹 Loose or corroded ribbon cables — reseat first
🔹 Failed voltage domain on the hashboard — test with a fixture
🔹 Faulty ASIC chip breaking the signal chain
🔹 Control board firmware mismatch after updates

We just published a full diagnosis and repair walkthrough on our blog — step-by-step, from log reading to chip-level troubleshooting.

📖 Read the full guide → link in bio
📩 DM us for parts or repair support

Our 8W/mK Blue Thermal Gel (1KG) is engineered for optimal heat transfer on high-density hashboards, ensuring stable ope...
15/04/2026

Our 8W/mK Blue Thermal Gel (1KG) is engineered for optimal heat transfer on high-density hashboards, ensuring stable operation and improved chip longevity. Designed specifically for Antminer S21 series (S21, S21+, S21XP – Air & Hydro), it supports precise diagnostics and efficient repair workflows.

This is a high-quality alternative to DOWSIL TC-3080, offering comparable performance at a more competitive price point. Manufactured in China under strict quality control, each batch is tested for consistency and reliability.

Available for bulk orders with factory-direct pricing. Custom shipping solutions and DDP options available on request.

Contact us for quotations and volume pricing.

🚀 K8PRO ASIC MINER TESTER — The Ultimate Diagnostic Tool for Miners! 💥Whether you’re repairing Antminer, Whatsminer, or ...
27/10/2025

🚀 K8PRO ASIC MINER TESTER — The Ultimate Diagnostic Tool for Miners! 💥

Whether you’re repairing Antminer, Whatsminer, or Innosilicon rigs, the K8Pro has you covered.
✅ Works with 70+ miner models
⚡ Diagnose hashboards, PSUs & firmware issues from one device
🧠 Edit and import EEPROM files instantly
🎯 Built-in precision diagnostics for accurate results
🔋 Supports 12V high-power adapters for reliable testing

Get factory-direct pricing, bulk discounts & worldwide shipping 🌍
📩 DM us now or visit www.lys-sz.com

⸻

🔥 Supercharge Your Mining Cooling! Our 300W Copper Motor Blower delivers industrial-strength ventilation for maximum min...
01/04/2025

🔥 Supercharge Your Mining Cooling! Our 300W Copper Motor Blower delivers industrial-strength ventilation for maximum mining efficiency.

✔ 300W Powerhouse - Handles the toughest cooling demands
✔ Silent Copper Motor - Advanced noise reduction technology
✔ 24/7 Reliability - Class B insulation for continuous operation
✔ Universal Compatibility - 220V~50Hz works worldwide
✔ Multi-Purpose Design - Perfect for ASIC miners, ducts & range hoods

🏭 Direct from Factory - Special bulk pricing available!

💬 DM for custom quotes & wholesale inquiries

🚀 Keep Your Mining Farm Cool & Quiet! The 200W Crypto Miner Blower with Copper Motor delivers powerful, silent ventilati...
30/03/2025

🚀 Keep Your Mining Farm Cool & Quiet! The 200W Crypto Miner Blower with Copper Motor delivers powerful, silent ventilation for 24/7 operations.

✔ Premium Copper Motor - Efficient cooling for ASIC miners
✔ Ultra-Quiet Operation - Designed for noise-sensitive environments
✔ Industrial-Grade Durability - Class B insulation for continuous use
✔ Multi-Application - Works for mining rigs, ventilation ducts, and range hoods
✔ Direct from Factory - Special pricing for bulk orders

💬 DM us today for custom quotes and volume discounts!

🚀 Precision Meets Power! Keep your crypto miners running cool with the 30CC Thermal Gel Glue Gun—engineered for flawless...
30/03/2025

🚀 Precision Meets Power! Keep your crypto miners running cool with the 30CC Thermal Gel Glue Gun—engineered for flawless thermal paste application on G18 G19

✔ Surgical Accuracy – No more wasted grease or messy spills!
✔ Built for Durability – High-strength plastic + metal ratchet for heavy-duty use.
✔ Direct from Factory – Custom quotes & bulk pricing available.

💬 DM us for RFQs & bulk deals!

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Shenzhen
518000

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