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Abnormal temperature: Frequently, the temperature is significant. The most PCB temperature established by our checking program can not exceed 90℃.
Prior to testing the pattern, the repaired hashboard must amazing down prior to testing; in any other case, it is going to produce tests NG.
According to this method, discover the chip that still has the long-tem operating failure after a specific chip is brief circuited. Normally, it really is a result of a particular chip damaging, so just substitute it; Figure five-19 7. Phenomenon: PT1 chip exam is OK, PT2 operate test often experiences a certain chip NG.
2. When utilizing the S19 pro+ Hyd collection examination fixture for The very first time, use the SD card flash application to update the FPGA over the fixture Management board, unzip it and replica it on the SD card, and insert the card into your fixture card slot.
(two) If the looks in the chip will not be broken, just switch the chip with the lowest response price in Just about every area;
If there isn't any three.3V output, check the relationship standing with the hash board tester cable plus the hash board.
The Antminer S19 Professional is a robust miner, but its performance might be hindered by defective hashboards. By changing them with our upgraded hashboards, you can make certain that your miner is always operating at its highest likely.
PS: In case the hashboard is not powered or run off in accordance with the check sequence, triggering R8, R9, U1, and U2 to burn up out, the chip will report 0;
The lover will alarm and it'll not perform Ordinarily. Usually, the ambient temperature is just too significant, as well as abnormal Procedure of your enthusiast can even result in abnormal temperature.
Proceed this process and quick-circuit the following chips one after the other right until a chip is uncovered that also will cause long-phrase operating failure even following staying small-circuited. This failure is often as a result of harm to that individual chip, and so it should be changed.
three. Following repairing, the hash board have to be analyzed more than two instances being Alright prior to it may move! 4. Check out if the instruments and hash board testers can work Usually, determine the maintenance station to check software program parameters, check fixture versions, etc. five. In the test of repairing and changing the chip, the chip ought to be examined very first, after which you can the functionality exam shall be done soon after passing. The operate examination have to make certain that the little warmth sink is welded experienced. When putting in the large warmth sink, the surface of your chip have to be evenly coated with thermal gel along with the cooling enthusiast shall be at comprehensive velocity. When using the chassis to dissipate heat, 2 hash boards need to be placed concurrently to type an air duct. 6. When measuring the signal, use 4 fans as support Look Here for warmth dissipation, and also the admirers shall keep comprehensive speed. 7. When powering to the hash board, the user have to first link the adverse copper wire of the facility supply, then the constructive copper wire of the ability offer, And eventually plug in the signal cable. When eliminating, the buy of installation have to be reversed. To start with, eliminate the signal cable, then get rid of the constructive copper wire of the ability provide, And at last clear away the destructive copper wire of the facility offer. In case the consumer does not abide by this get, it is vitally very easy to lead to damage to R8, R9, U1, U2 (not all chips can be found). Before tests the pattern, the repaired hash board should be cooled down before tests, usually, it might trigger PNG tests. 8. To replace a new chip, printing pins and soldering paste are demanded making sure that the chip is pre-soldered then soldered towards the PCBA for repair. III. hash board tester building and matters needing awareness The supporting fixture from the hash board tester should really satisfy the heat dissipation of the hash board and facilitate the measurement of indicators. one. Use the 19 series hash board tester SD card swiping program for The very first time to update the hash board tester Command board FPGA, unzip it and copy it on the SD card, and then insert the cardboard into the hash board tester card slot; electric power on for around 1 minute and look forward to the Management board indicator to double flash three situations, then the update is finished; (if It's not necessarily current, it might bring about a specific chip to be negative in the examination). Figure 3-one two. Make the check SD card As outlined by the necessities, and specifically unzip the compressed offer of The only-sided heat sink inspection chip for making the SD card; Figure 3-two 3. The check SD card is going to be manufactured As outlined by the requirements, and also the double-sided warmth sink eight-instances patter check must make an SD card, as revealed while in the figure below;
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Make reference to the voltage value variety described with the signal development. If your measurement encounters a considerable deviation in the voltage worth, it might be when compared With all the calculated value of the adjacent group to determine.