The Definitive Guide to bitmain s19 hashboard
The Definitive Guide to bitmain s19 hashboard
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five. While in the exam of repairing and replacing the chip, the chip should be examined initial, and after that the function take a look at shall be carried out right after passing. The perform exam ought to make sure that the little warmth sink is welded competent. When installing the big warmth sink, the area with the chip should be evenly coated with thermal gel and the cooling supporter shall be at total velocity.
Repair technique: Verify the looks, measure the chip capacitor or resistance in entrance, generally It truly is a result of poor chip soldering or even a chip capacitor, resistor damaging or irregular resistance; VI. Manage Board Problem Creating the subsequent Complications 1. The whole miner does not operate one) Test whether or not the voltages at many voltage output details are regular. U8 could be disconnected to start with if 3.3V is brief-circuited. If it remains limited-circuited, the CPU could be unplugged for measurement. For other voltage abnormalities, commonly swap the corresponding converter IC. 2) Should the voltage is ordinary, please Look at the welding standing of the DDR/CPU. three) Make an effort to update the flash plan with SD card; Should the miner of which the Regulate board is reflashed ought to get started Usually, the next two techniques are necessary: a) After the card recovery is passed, the eco-friendly LED indicator might be generally on, and the power shall be restarted; b) Anticipate 30s just after powering on yet again (enough time training course of turning on OTP).
(two) Once the chip still experiences an integer amount right after confirming the small board, first Verify whether or not the RX signal is normal, and in addition measure whether or not the chip details one.
Measure whether or not the domain voltage is standard. Frequently, the domain voltage will be irregular inside the problematic domain. Then measure the RI signal to determine In case the RI signal is damaged. Should the RI sign is missing, generally, the chip is short-circuited or broken right after getting tinned.
To summarize, the repair process to the hash board entails program inspection, chip check, fault localization, and screening and verification. As a result of these methods, the faulty chip might be Positioned and repaired or changed, along with the hash board is often examined to be certain it's performing correctly.
B) Look at whether the four temperature sensors of U5，R216、R219、R220，U7，R221~R223，U8，R224~R226，U9，R229~R231 plus the matching resistance welding are irregular, The situation on the temperature feeling is as revealed in Figure four-four and five-13, the temperature sensor is all Found on the back again on the PCB, the resistance is located on the back and front of your PCB, and if the temperature sensor three.3V ability offer is typical;
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(two) Utilize the exam fixture of your V2.1010 Manage board (its model is ZJ0001000001), the constructive and detrimental poles of the ability provide on the take a look at fixture have to be set up using a discharge resistor, and it is suggested to make use of a cement resistor of 25 ohms and above 100W.
4mm); when changing a different Go Here chip, you might want to tin the chip pins and after that solder towards the hashboard, after which lock big warmth sinks just after making use of thermal gel evenly around the chip surface.
If the PIC sensor NG is exhibited to the Liquid crystal display display in the hash board tester along with the test read temperature is irregular, then Keep to the up coming actions to troubleshoot the issue.
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(one) Make use of the APW12 ability supply (APW1212V-15V and energy adapter cable) to build a check platform: Use thick copper wires for your optimistic and adverse poles of the ability supply, then link the PSU along with the hash board.
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