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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Usually, the area voltage will likely be irregular during the problematic domain. Then measure the RI signal to see wherever the RI sign is interrupted. In the event the RI signal disappears, it can generally be determined that the chip is short-circuited or destroyed following getting tinned.
a) After the flashing is profitable, the green LED indicator light is usually on, and afterwards the ability is turned off and restarted;
b) In the event the miner nevertheless reduces the hash level, then decrease the frequency to 200M, and retain other problems unchanged. Permit the miner perform mining to check out if there is a decrease in hashrate and whether the hash board will Exhibit X.
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1. Pay attention for the operation approach when replacing the chip. Soon after changing any accessories, the PCB board shall have no noticeable deformation.
5. When repairing and changing the chip, you'll want to examination the chip initial, and then do the purposeful examination following passing. The purposeful check ought to make sure that the drinking water-cooling plate is assembled properly.
a) When the LCD Screen ASIC NG: (0), first measure the full domain voltage of 21V along with the Enhance circuit voltage of 25V after they are normal. Then use a short-circuit probe to short-circuit the RO take a look at stage and 1V2 examination level concerning the primary and second chips, after which you can run the chip locating plan.
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b) If just one chip can be found in phase a), it signifies that the main chip as well as the earlier circuit are great. Use an analogous method to check the following chips. Such as, short-circuit the 1V8 examination point and also the RO test position concerning the 38th and 39th chips. If the log can discover 38 chips, the 1st 38 chips haven't any trouble; if you continue to come across 0 chips, Check out the 1V8 very first; if It truly is usual, it means that there's a dilemma Using the chip after 38.
(two) Much less chains: it means that among the 3 hash boards is lacking. In this case, nearly all of the issues are a result of the connection between the hash board as well as Handle board. Test irrespective of whether There exists an open circuit from the cable.
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3. Right after repairing, the hash board must be tested in excess of two moments to get Alright prior to it could possibly go! four. Check out whether or not the tools and hash board testers can operate Commonly, determine the upkeep station to test computer software parameters, take a look at fixture variations, etcetera. 5. While in the take a look at of repairing and replacing the chip, the chip ought to be analyzed 1st, after which the purpose examination shall be carried out soon after passing. The functionality take a look at ought to make sure the compact heat sink is welded certified. When setting up the big heat sink, the area in the chip should be evenly coated with thermal gel and also the cooling lover shall be at whole velocity. When utilizing the chassis to dissipate heat, two hash boards needs to be positioned simultaneously to type an air duct. six. When measuring the sign, use 4 enthusiasts as help for warmth dissipation, as well as the admirers shall sustain whole speed. 7. When powering over the hash board, the user ought to initially connect the adverse copper wire of the facility supply, then the favourable copper wire of the ability source, and finally plug inside the signal cable. When taking away, the purchase of set up needs to be reversed. Very first, get rid of the sign cable, then remove the constructive copper wire of the ability offer, And at last take away the detrimental copper wire of the facility offer. Should the user does not abide by this get, it is vitally easy to induce damage to R8, R9, U1, U2 (not all chips can be found). Just before testing the sample, the repaired hash board needs to Purchase Here be cooled down ahead of testing, or else, it may cause PNG screening. eight. To exchange a whole new chip, printing pins and soldering paste are necessary to make certain the chip is pre-soldered and afterwards soldered towards the PCBA for repair. III. hash board tester making and matters needing interest The supporting fixture of your hash board tester ought to fulfill the heat dissipation of your hash board and facilitate the measurement of indicators. 1. Make use of the 19 series hash board tester SD card swiping application for The 1st time to update the hash board tester Management board FPGA, unzip it and copy it on the SD card, after which insert the card into your hash board tester card slot; electric power on for about one moment and look forward to the Manage board indicator to double flash three instances, then the update is done; (if It's not at all current, it could result in a particular chip to be poor over the examination). Determine three-1 2. Make the take a look at SD card In keeping with the necessities, and directly unzip the compressed package deal of the single-sided warmth sink inspection chip to help make the SD card; Determine three-2 three. The examination SD card will likely be manufactured As outlined by the necessities, plus the double-sided heat sink eight-periods patter take a look at ought to make an SD card, as proven while in the determine under;
Measure regardless of whether You can find output on the 2nd pin of U6 as well as voltage is about 3.3V; if Certainly, remember to carry on to troubleshoot the problem; if there's no three.3V, make sure you Look at the connection standing of your hashboard tester cable and also the hashboard is Okay, and reprogram the PIC.
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