The 2-Minute Rule for antminer s19 hashboard
The 2-Minute Rule for antminer s19 hashboard
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a-four) Verify When the pins of the primary chip are certainly not soldered effectively (it absolutely was found in repair the pins are tinned observing within the aspect, even so the pins are usually not stained with tin in the least when the chip is taken out)
When there is Phony welding, it has to be re-soldered. When there is problems, it ought to be measured if the resistance worth is standard. Change the corresponding elements abnormally, and Verify the smaller board soldered about the PCB; the little board is revealed inside the figure below.
HEX file to become programmed; the 2nd stage: click "hook up" to connect Usually; the 3rd step: click the "system" button, and right after completion, simply click "verify" to prompt the verification to demonstrate that the programming is profitable.
a) LCD Screen ASICNG: if (0), 1st measure the entire voltage in the measuring area plus the Raise circuit 20V is usual, after which make use of the small circuit probe to shorter-circuit the RO exam position along with the 1V8 check position between the very first and the 2nd chip, and afterwards work the program to locate the chip. Test the serial port log, if 0 chip remains to be located at the moment, It will likely be among the next scenarios: a-1) Use a multimeter to evaluate whether the voltages at the 1V8 and 0V8 take a look at points are 1.8V or 0.8V. Otherwise, it indicates the 1.8V or 0.8V LDO circuit of this domain is abnormal, or the two ASIC chips of this domain just isn't soldered well; most ailments of the phenomenon are because of small circuits of 0.8V, 1.8V patch filter capacitors (evaluate the resistance with the patch filter capacitors related to the back and front in the PCBA). a-two) Test whether the circuits of U2, U3 and U4 are irregular, like resistance welding, etc. a-3) Evaluate the resistance of R232 or R233 that has a multimeter to examine if it is in one ohms as well as the looking through will never soar randomly. If not, make sure you switch both of these resistors. a-4) Examine If your pins of the very first chip are soldered nicely (it absolutely was found during repair the pins are tinned observing in the facet, even so the pins are certainly not stained with tin in the least in the event the chip is eradicated). b) If just one chip are available in stage a), it indicates that the 1st chip and also the earlier circuit are great. Use an analogous method to check the subsequent chips. For example, shorter-circuit the 1V8 test position and also the RO test place in between the 38th and 39th chips. In case the log can discover 38 chips, the first 38 chips have no challenge; if you still obtain 0 chips, Look at the 1V8 initially; if It is normal, this means that there's a difficulty with the chips soon after 38. Keep on to analyze with dichotomy right until the problematic chip is identified. Assuming that there is a trouble Using the Nth chip, if the 1V8 and RO involving the N-1th and Nth chips are short-circuited, N-1 chips are available, but once the 1V8 and RO amongst the Nth and N+1th chips are small circuited, the whole chip can't be discovered.
3. If the PIC sensor NG is displayed within the Liquid crystal display display screen with the hash board tester as well as the check examine temperature is abnormal, then follow the measures beneath to troubleshoot: A) Check out whether or not the four resistors of R24~R27 are welding abnormally, and Test whether or not the welding of PIN2, three of U3 is usual; Go Here Figure 5-13 B) Look at whether or not the four temperature senses U4, R28~R30, U6, R31~R33, U7, R34~R36, U8, R37~R39 as well as matching resistance welding are abnormal, The situation in the temperature feeling is demonstrated in Figure five-fourteen, the temperature sense is all Found on the back on the PCB, the resistance is located around the entrance with the PCB, and if the temperature-sensitive 3.3V energy provide is ordinary;
● When locating the faulty chip, the chip should be welded once more. The method is to add flux throughout the chip (if possible no-clear flux), and warmth the solder joints of the chip pins to the dissolved state to prompt the chip pins and pads to re-run in and accumulate the tin, In order to obtain the effect of tinning all over again. When the fault remains exactly the same immediately after re-soldering, you could instantly replace the chip. ● The repaired hash board may be judged as an excellent product with greater than two passes when testing Along with the hash board tester. For The 1st time, immediately after changing the parts, look ahead to the hash board to chill down, make use of the hash board tester to test, and after the test is handed, set it aside and after that great it down. For the second time, after a couple of minutes once the hash board cools down, take a look at all over again. 0 About products and solutions acquire, you should Speak to our sales supervisor:
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It’s essential to take the time to appropriately put together and sustain parts in advance of, throughout, and following installation. This consists of implementing thermal gel for better warmth transfer, forming air ducts for improved airflow, connecting electric power materials in the correct sequence, repairing chips to stop overheating, and making certain examination fixtures satisfy production specifications.
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This situation is probably going to get attributable to the irregular resistance welding with the entrance and rear CLK, CI, and BO from the Xth chip, so people shall deal with these 6 resistors. The smaller chance is because of X-1, X, X+1, that is, One of the three chips, the following pins abnormal welding situations on the chip arise:
In the event the quick-circuit remains existing, you are able to unplug the CPU and measure again. Other voltage abnormalities typically exchange the corresponding voltage converter IC.
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a-3) Measure the resistance of R8 or R9 that has a multimeter to check if it is in ten ohms as well as reading through will never bounce randomly. Otherwise, please change these two resistors. a-four) Look at When the pins of the initial chip will not be soldered very well (it had been located in repair which the pins are tinned observing with the facet, though the pins are usually not stained with tin whatsoever if the chip is taken off). b) If just one chip can be found in step a), it implies that the initial chip and also the previous circuit are superior. Use the same technique to examine the next chips. By way of example, quick-circuit the 1V8 test place as well as the RO take a look at stage concerning the 38th and 39th chips. In case the log can discover 38 chips, the initial 38 chips haven't any problem; if you continue to find 0 chips, Check out the 1V8 first; if It really is standard, this means that there's a difficulty Along with the chip following 38. Continue on to research with dichotomy until eventually the problematic chip is discovered. Assuming that there is a difficulty Along with the Nth chip, once the 1V8 and RO involving the N-1th and Nth chips are shorter-circuited, N-one chips can be found, but if the 1V8 and RO involving the Nth and N+1th chips are short circuited, your complete chip cannot be located.
Continue to analyze with dichotomy right up until the problematic chip is identified. Assuming that there's a challenge Together with the Nth chip, when the 1V8 and RO concerning the N-1th and Nth chips are quick-circuited, N-one chips can be found, but once the 1V8 and RO amongst the Nth and N+1th chips are small circuited, the complete chip can not be discovered.