antminer s19 hashboard repair - An Overview
antminer s19 hashboard repair - An Overview
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Most often, You will find there's problem Using the link among the hash board and the Regulate board. Verify the cable to view when there is an open circuit. In the event the link is Alright, the consumer can test the single board PT2 to examine if it may possibly go the take a look at. If it passes the exam, it could possibly generally be determined that the situation is around the Regulate board. In case the examination fails, utilize the PT2 repair system to repair it. three) Irregular temperature: Typically, It can be because of the temperature is superior. The PCB temperature set by our checking program can not exceed ninety levels. If it exceeds ninety levels, the miner will alarm and fall short to operate Ordinarily. It will likely be a result of superior ambient temperature for the miner to not have the capacity to work Commonly. Abnormal followers Procedure will also lead to abnormal temperature. four) Cannot uncover many of the chips (boot is often operated, however the hash fee r is 2/3 or 1/three of the normal value). The quantity of chips will not be plenty of: if the number of chips isn't plenty of, you may make reference to PT2 for tests and repair. Determine 7-one five) After operating for your length of time, there is no hashrate, the connection to your mining pool is interrupted, then Check out the community;
Repair technique: Examine the looks, measure the chip capacitor or resistance in front, normally It can be because of bad chip soldering or even a chip capacitor, resistor harmful or abnormal resistance;
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Repair system: in the PT2 check, Check out the serial port print log. Once the serial port starts off to work for any long time, use a short-circuit probe to limited-circuit RO&one.
If Certainly, you have to change the chip; Otherwise, measure the resistance worth of the resistor next to it, and replace it if the resistance benefit is too significant;
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two. After the program inspection is Alright (short circuit detection of normal plan inspection is essential, so as to not burn up the chip or other resources as a consequence of quick circuit when the power is turned on), the chip may be examined Together with the examination fixture, along with the judgment and positioning is usually carried out according to the examination results of the take a look at fixture;
c-1) Problem 1: The examination time is essentially similar to that of the Alright board (ordinarily the value of X does not modify each time it is examined). (The examination time refers back to the time from urgent the start check button to your Liquid crystal display displaying the result ASIC NG: X).
Taking a look at the serial port log, if 0 chip continues to be identified presently, It'll be amongst the following scenarios:
Pre-tin the chip pins with solder paste to interchange a new chip and after that solder them towards the PCB for repair.
(1) When ASICNG=(0) is exhibited: 1st evaluate the whole voltage of your domain as well as 19V Strengthen circuit is standard, and after that use a brief-circuit probe to brief the RX take a look at level and 1V2 exam point amongst the No.
a-three) Evaluate the resistance of R8 or R9 with a multimeter to examine whether it is within ten ohms as well as the looking at will likely not bounce randomly. Otherwise, you should exchange these two resistors. a-4) Verify In the event the pins of the primary chip are certainly not soldered nicely (it was located in repair the pins are tinned observing from your side, but the pins aren't stained with tin whatsoever in the event the chip is taken off). b) If one particular chip can be found in action a), it signifies that the first chip as well as past circuit are excellent. Use an analogous process to check the following chips. As an example, short-circuit the 1V8 examination level and the RO take a look at stage involving the 38th and 39th chips. When the log can find 38 chips, the first 38 chips don't have any trouble; if you still locate 0 chips, Look at the 1V8 1st; if it's typical, this means that there is a dilemma While using the chip right after 38. Go on to analyze with dichotomy till the problematic chip is identified. Assuming that there is a problem With all the Nth chip, once the 1V8 and RO amongst the N-1th and Nth chips are small-circuited, N-1 chips can be found, but once the 1V8 and RO among the Nth and N+1th chips are quick circuited, your entire chip can't be identified.
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