antminer s19 hashboard repair - An Overview
antminer s19 hashboard repair - An Overview
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a-four) Check out In the event the pins of the primary chip are not soldered effectively (it absolutely was present in repair that the pins are tinned observing with the aspect, but the pins aren't stained with tin in the least in the event the chip is taken out)
Thinking about the serial port log, if 0 chips are still discovered right now, It will likely be considered one of the subsequent situations:
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3. The examination SD card is going to be designed Based on the requirements, as well as the PT1 chip detection chip and PT2 function check might be straight decompressed to generate the SD card.
9. When replacing a fresh chip, thoroughly clean the pins and utilize solder paste to make certain the chip is coated with tin just before soldering.
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● Once the regime exam is handed (the quick-circuit examination of the general routine test is essential to steer clear of the chip or other components becoming burnt mainly because of the short circuit when the power is turned on), the chip check might be done With all the hash board tester, as well as positioning is often determined in accordance with the take a look at results of the hash board tester. ● Based on the displayed outcomes of the hash board tester detection, ranging from in the vicinity of defective chip, Examine the chip exam factors (CO/NRST/RO/XIN/BI) and voltages for instance VDD0V8 and VDD1V8. ● Based on the sign movement, apart from the RX sign is reversely transmitted signal (from No. 114 to No. 1 chip), quite a few of the signals together with CLK CO BO RST are forward transmission (1-114), and also the abnormal fault point can be found throughout the electric power offer sequence.
It’s vital to take some time to effectively get ready and maintain parts ahead of, through, and after installation. This features making use of thermal gel for much better warmth transfer, forming air ducts for improved airflow, connecting energy provides in the proper sequence, repairing chips to avoid overheating, and making certain check fixtures meet output requirements.
(2) Use the examination fixture with the V2.1010 Regulate board (its design is ZJ0001000001), the good and detrimental poles of the facility offer of your exam fixture need to be installed which has a discharge resistor, and it is usually recommended to utilize a cement resistor of 25 ohms and above 100W.
Evaluate no matter whether there is output on the next pin of U3 and also the voltage is about 3.3V; if Indeed, please continue on to troubleshoot the trouble; if there isn't any three.3V, make sure you Test the connection position in the hashboard tester cable and the hashboard is OK, and reprogram the PIC.
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Pattern NG is caused by the big difference between the attributes with Go Here the chip as well as other chips. At this time, it is actually uncovered which the chip die is destroyed, so just change the chip. According to the log info, the replacement procedures are as follows: If the looks from the chip isn't damaged, just switch the chip with the bottom reaction level in Each individual domain.
d-two) The 2nd scenario; the examination time is nearly two times as long as The great board (from time to time the value of X will change each and every time you take a look at, and occasionally X=0); at this time, the log generally has the following details (the pink selection is not thirteen, based upon which seat the hashboard tester is linked to); in the course of the test, think the domain voltage of all the fields before the abnormal place is almost fewer than 0.
Make reference to the voltage value array described through the sign pattern. In the event the measurement encounters a substantial deviation in the voltage benefit, it might be as opposed While using the measured value of the adjacent group to determine.