The 2-Minute Rule for antminer s19 pro hash board
The 2-Minute Rule for antminer s19 pro hash board
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ten. When the nonces of most chips in the entire miner or one board are returned to 0, it is usually a chip welding challenge. Reinstall it and it'll be Alright.
When there is Fake welding, it ought to be re-soldered. If there is problems, it ought to be measured whether or not the resistance worth is normal. Switch the corresponding parts abnormally, and Examine the tiny board soldered to the PCB; the small board is proven within the determine underneath.
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a) LCD Exhibit ASICNG: if (0), to start with measure the entire voltage in the measuring area and also the Strengthen circuit 20V is standard, and after that make use of the short circuit probe to short-circuit the RO take a look at issue and also the 1V8 take a look at place amongst the very first and the 2nd chip, and after that run the program to discover the chip. Verify the serial port log, if 0 chip is still located right now, Will probably be one among the subsequent cases: a-1) Use a multimeter to evaluate if the voltages for the 1V8 and 0V8 exam factors are 1.8V or 0.8V. If not, it signifies which the one.8V or 0.8V LDO circuit of the area is abnormal, or The 2 ASIC chips of the domain isn't soldered properly; most situations of this phenomenon are because of limited circuits of 0.8V, one.8V patch filter capacitors (evaluate the resistance in the patch filter capacitors relevant to the front and back with the PCBA). a-two) Examine whether the circuits of U2, U3 and U4 are abnormal, for example resistance welding, and many others. a-three) Evaluate the resistance of R232 or R233 by using a multimeter to examine if it is inside of 1 ohms and also the examining will not likely leap randomly. If not, make sure you swap both of these resistors. a-4) Test When the pins of the 1st chip are soldered well (it absolutely was discovered through repair the pins are tinned observing with the aspect, however the pins are certainly not stained with tin at all once the chip is eliminated). b) If a single chip are available in stage a), it indicates that the 1st chip along with the past circuit are very good. Use the same approach to examine the subsequent chips. By way of example, small-circuit the 1V8 examination stage as well as the RO examination point involving the 38th and 39th chips. When the log can discover 38 chips, the 1st 38 chips don't have any difficulty; if you continue to uncover 0 chips, Examine the 1V8 1st; if It really is ordinary, it means that there's a challenge with the chips soon after 38. Continue to research with dichotomy till the problematic chip is located. Assuming that there is a difficulty Together with the Nth chip, if the 1V8 and RO among the N-1th and Nth chips are limited-circuited, N-1 chips can be found, but when the 1V8 and RO among the Nth and N+1th chips are brief circuited, your entire chip can't be identified.
a-3) Measure the resistance of R8 or R9 having a multimeter to check whether it is within 10 ohms and also the examining is not going to soar randomly. If not, be sure to exchange these two resistors
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Look at the welding top quality of your chip which connects sensor as well as tiny warmth sink. The deformation of large heat sink content will bring about very poor warmth dissipation of your chip and have an affect on the temperature variance.
Open MPLABIPE and select machine: PIC16F1704, click on electricity to select the ability source method, then click on function. The initial step: decide on "file" to find the .HEX file being programmed; the next step: click on "link" to connect Usually; the 3rd phase: simply click the "plan" button, and immediately after completion, simply click "verify" to prompt the verification to confirm which the programming is prosperous.
① The particular Assessment process is as follows: 1st, carry out an individual-board PT2 check to examine whether the functionality of the hash board is regular.
Taking a look at the serial port log, if 0 chip remains to be found right now, It's going to be certainly one of the following situations:
If the serial port stops long-tem working once the limited circuit, the 1st chip is Alright. In line with this method, locate the chip that still has the long-tem operating failure immediately after a particular chip is short circuited. Frequently, it's a result of a particular chip harming, so just swap it;
Our substitute hashboards are not just refurbished, They can be upgraded to ensure improved performance and dependability than the original. Each hashboard goes via a rigorous recovery process which makes them a lot more dependable than new types straight from your manufacturer.
four. To the examination of chip servicing and substitute, it's important to detect the chip initial, and then do a purposeful exam Purchase Here just after passing. The functional take a look at should make sure that the tiny warmth sink is soldered nicely and the big heat sink is put in in place (Each and every thermal conductive adhesive needs to be applied evenly ahead of setting up the massive heat sink).
a) Liquid crystal display Screen ASICNG: if (0), 1st measure the whole voltage with the measuring domain along with the Raise circuit 19V is usual, and then utilize the small-circuit probe to limited-circuit the RO examination level plus the 1V8 take a look at position amongst the initial and the second chip, and then run the program to find the chip.