④ Detect whether or not the pins of the primary chip aren't soldered thoroughly (you can find tins around the pins in the side through the repair method, but just after getting rid of the chip, it really is located which the pins aren't stained with tin);
To test repairing and replacing the chip, take a look at the chip 1st after which you can do the purposeful take a look at right after it passes. The practical test will have to make certain that the compact heatsink is welded accurately, the massive warmth sink is installed, as well as thermal adhesive gel is utilized evenly.
Right before testing the pattern, the repaired hashboard have to amazing down prior to testing; if not, it'll bring on screening NG.
8V starting from the initial chip. In the event the serial port stops long-time period operation once the limited circuit, the 1st chip is working effectively.
For the LCD display ASIC75, limited-circuit the 1V8 take a look at point plus the RO take a look at position concerning the 38th and 39th chips. If small-circuiting 47 chips, although the log stories forty six, it suggests that the 47th chip can't be detected, plus the 47th chip has to get replaced.
When the temperature exceeds this temperature, the miner will alarm and can't function Commonly. Commonly, you'll be able to check whether the drinking water outlet temperature exceeds sixty five degrees, and thermal conductive gel could also cause temperature abnormalities.
The next fault illustrations are from Antminer 19 collection mining equipment, other Antminer versions are for reference only.
Repair method: Using the dichotomy approach, brief-circuit the 1V8 examination point and also the RO examination point in between the 38th and 39th chips Together with the brief circuit probe. In case the log can find 38 chips, there isn't a trouble with the initial 38 chips; if shorter-circuiting the 47th chip, but the log reports forty sixth, it implies which the 47th chip can't be detected, and there is no challenge Using the visual inspection. Typically, the 47th chip shall be replaced;
① The precise Investigation system is as follows: Initial, conduct a single-board PT2 exam to check whether or not the overall performance of the hash board is typical.
(two) Secondly, if there is no issue immediately after Visible inspection, you'll be able to 1st test the impedance of each voltage area to detect irrespective of whether There exists a limited circuit or open up circuit. If found, it should be addressed 1st.
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Should the voltage price has a considerable deviation, Review it While using the measured price of the adjacent group to determine the issue.
① The first circumstance: (usually the worth in the described chip will not likely transform just about every take a look at), this situation is likely to generally be because of irregular soldering in the entrance and rear CLK, CI, BO with the X-th chip, so center on these six resistors.
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