1) Because the 1st-technology water radiator cannot satisfy the heat dissipation specifications, a h2o pump has to be included in collection (or two water radiators in series) in the course of the transformation;
5) Immediately after operating for a timeframe, there is no computing electricity, the relationship on the mining pool is interrupted, then Look at the network;
seven. When powering to the hashboard, user must 1st join the destructive copper wire of the ability source, then the optimistic copper wire of the ability supply, And at last plug inside the sign cable. When eliminating, the order of installation must be reversed. Very first get rid of the sign cable, then eliminate the beneficial copper wire of the facility source, And eventually take out the unfavorable copper wire of the power offer.
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a) Liquid crystal display Display screen ASICNG: if (0), to start with measure the overall voltage in the measuring area and the Improve circuit 20V is typical, and after that utilize the limited circuit probe to brief-circuit the RO take a look at stage plus the 1V8 take a look at level involving the very first and the 2nd chip, after which you can work the program to find the chip.
Or the two ASIC chips On this area are usually not soldered adequately. A lot of them are due to brief circuit of 0.8V and one.2V patch filter capacitors (measure the resistance of your patch filter capacitors related to the front and back sides of your PCBA).
● Following the program exam is handed (the short-circuit test of the final schedule take a look at is critical to stay away from the chip or other resources currently being burnt because of the quick circuit when the facility is turned on), the chip test may be carried out While using the hash board tester, and also the positioning is often determined according to the exam result of the hash board tester. ● Based on the exhibited results in the hash board tester detection, starting from close to faulty chip, Examine the chip test factors (CO/NRST/RO/XIN/BI) and voltages for example VDD0V8 and VDD1V8. ● In accordance with the sign circulation, apart from the RX sign is reversely transmitted signal (from No. 114 to No. 1 chip), several of your indicators such as CLK CO BO RST Buy Now are ahead transmission (1-114), as well as the irregular fault stage are available with the ability offer sequence.
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In case the chip isn't located, check for possible difficulties like irregular voltage in the 1V8 and 0V8 check details, problems While using the U1 and U2 circuits, resistance of R8 or R9, and whether or not the pins of the initial chip are soldered well.
● The repaired hashboard may be judged as a fantastic merchandise with in excess of two passes when screening Along with the hashboard tester. For The 1st time, immediately after changing the areas, look forward to the hashboard to cool down, make use of the hashboard tester to test, and once the exam is passed, set it apart and afterwards interesting it down. For the 2nd time, just after a couple of minutes when the hashboard cools down, exam once again.
Repair process: Utilizing the dichotomy method, brief-circuit the 1V8 check issue as well as RO take a look at position among the 38th and 39th chips with the small-circuit probe. If your log can find 38 chips, there is no challenge with the 1st 38 chips; if short-circuiting 47 chips, but the log stories forty six, it signifies that the 47th chip can't be detected, and there's no difficulty Using the Visible inspection. Commonly, the 47th chip shall be replaced;
4. For the exam of chip upkeep and substitute, it is necessary to detect the chip initial, and after that do a useful check immediately after passing. The purposeful examination must be sure that the little heat sink is soldered very well and the massive heat sink is set up in position (Every thermal conductive adhesive should be used evenly just before putting in the massive warmth sink).
Make reference to the voltage value range explained because of the signal trend. Should the measurement encounters a considerable deviation of the voltage benefit, it could be in contrast Using the calculated value of the adjacent group to determine.