Repair Guide for Avalon A1066/A1026/A1046/A1047 Hash Boards

Hey everyone! Just wanted to share a guide on fixing the Avalon hash board. I hope it helps some of you out there! This guide focuses on repairing the hash board for the Canaan Avalon A10 series, which covers models like AvalonMiner A1066, A1066pro, A1026, A1046, A1047, and others. Here's a quick rundown of the A10 series hash board: 1. Power supply connections: link the positive and negative terminals of the power supply. 2. JamLink communication: used for connecting to the MM. 3. Main chip: this is the ASIC chip. 4. Isolated chip unit present. 5. Boost and follower circuits. Check out this pic for reference: For the official test fixture that works with the A10 series hash board: 1. Attach the positive and negative connections for the hash board's power supply. 2. Connect the JamLink data cable from the hash board. 3. It's best to use an insulated tooling bottom plate. 4. You'll need the MM board with the test script program. 5. Use the Kosebao adjustable power interface cable. 6. Link the USB to the serial port, connect it to your computer, and you can read the hash board test data using a serial port debugging tool. Here’s another image for clarity: And about connecting the test fixture: 1. The Gaussian power supply's main circuit has black for the negative output and red for the positive output. 2. The negative interface connects to the main circuit power supply of the hash board.

Can you provide resistance values for A3205 chip?