Detailed Notes on hashboard s9
Detailed Notes on hashboard s9
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7. Immediately after repairing the hash board, the thermal gel to the drinking water cooling board must be removed and reprinted.
Determine 7-5 2. Enter the user name, password and exam command to check the NONCE reaction standing as well as the status of voltage domain. When the NONCE and domain voltage are irregular, person can carry out measurement and servicing according to the printed abnormal chip.
8V, 1.8V patch filter capacitors (measure the resistance from the patch filter capacitors relevant to the front and back of your PCBA)
Measure irrespective of whether there is output on the 2nd pin of U3 and the voltage is about 3.3V; if Sure, remember to carry on to troubleshoot the problem; if there is no three.3V, remember to Look at the link position in the hash board tester cable and also the hash board is Okay, and reprogram the PIC.
If Sure, you'll want to switch the chip; if not, evaluate the resistance worth of the resistor close to it, and swap it if the resistance worth is too significant;
b) Enter the consumer identify, password as well as the test command to see the NONCE return status as well as standing on the voltage area. If there is abnormality in NONCE and area voltage, it may be repaired based on the abnormal chip printed.
And the cooling admirer is at entire velocity. To utilize the chassis for heat dissipation, two hash boards should be placed concurrently to form an air duct. The one-sided examination of output will have to also ensure the formation of the air duct (important).
two. Following the program inspection is Okay (shorter circuit detection of typical program inspection is important, so as never to burn off the chip or other materials as a result of short circuit when the power is turned on), Get It Here the chip can be examined Along with the take a look at fixture, as well as judgment and positioning could be carried out in accordance with the examination result of the exam fixture;
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(1) Sudden power failure through OTP or time of lower than 30s will lead to the control board to fail to open the OTP operate.
● When finding the defective chip, the chip needs to be welded once more. The tactic is so as to add flux round the chip (if possible no-thoroughly clean flux), and heat the solder joints on the chip pins to some dissolved state to prompt the chip pins and pads to re-run in and collect the tin, In order to accomplish the outcome of tinning all over again. When the fault remains precisely the same after re-soldering, you are able to instantly switch the chip.
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4) No hash charge after working for your time period, mining pool link is interrupted: Verify the network.