5 Tips about antminer s19 hashboard repair You Can Use Today
5 Tips about antminer s19 hashboard repair You Can Use Today
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Test The situation in the temperature sensor. The temperature sensor is all Positioned to the again with the PCB, though the resistance is situated over the entrance of the PCB.
seven. When powering about the hash board, the negative copper wire of the ability supply has to be linked to start with. Just before tests the pattern, the repaired hash board have to be cooled down right before screening, normally it's going to lead to check PNG.
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3V, and also the domain voltage on the again fields are Nearly all larger than 0.38V. This example is brought on by the chip not getting soldered properly, normally 1.8V, 0.8V, RXT, CLK will not be soldered very well. It is recommended to specifically measure the domain voltage to locate which area is the issue. The 1V8 and RO brief-circuit strategy Utilized in segment a) may Find the irregular posture;
b) Enter the person name, password plus the check command to begin to see the NONCE return position along with the standing with the voltage domain. If there is abnormality in NONCE and area voltage, it could be repaired in accordance with the irregular chip printed.
4. Make the SD card according to the necessities, double-sided heat sink, eight times Parrer take a look at, you might want to make the SD card as shown from the figure under:
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(2) Use the take a look at fixture in the V2.1010 Handle board (its design is ZJ0001000001), the constructive and unfavorable poles of the ability supply of the check fixture must be set up which has a discharge resistor, and it is suggested to work with a cement resistor of 25 ohms and above 100W.
(two) Fewer chains: it implies that on the list of a few hash boards is missing. In this case, the vast majority of the problems are brought on by the relationship between the hash board and the Regulate board. Verify no matter if there is an open circuit in the cable.
① To begin with, visually inspect the hash board to find out if there is any deformation or burning with the PCB. When there is any phenomenon, it should be addressed first.
three. When sensor NG is exhibited to the LCD display from the fixture, the test looking through temperature is abnormal. Please Adhere to the techniques underneath to troubleshoot:
c) LCD display ASIC75: (Reporting seventy five), it signifies that the hash board can detect 76 chips at 115200 baud amount, but only 75 chips are identified at 12M baud price, and 1 chip couldn't come across at 12M baud amount; Repair system: Using the dichotomy method, shorter-circuit the 1V8 take a look at level plus the RO examination stage concerning the 38th and 39th chips from the brief-circuit probe.
● Once the routine check is passed (the limited-circuit test of the final routine test is necessary to steer clear of the chip or other products being burnt as a result of quick circuit when the power is turned on), the chip test can be done Together with the hash board tester, as well as the positioning could be determined according to the exam result of the hash board tester. ● In accordance with the shown benefits in the hash board tester detection, ranging from in close proximity to faulty chip, Test the chip check points (CO/NRST/RO/XIN/BI) and voltages which include VDD0V8 and VDD1V8. ● Based on the sign movement, aside from the RX sign, reversely transmit the signal (from No. seventy six to No. 1 chip), various from the indicators such as CLK CO BO RST are forward transmission (one-seventy six), and the irregular fault point can be found from the energy offer sequence.