The Fact About s19 hash board repair That No One Is Suggesting
The Fact About s19 hash board repair That No One Is Suggesting
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Check the location from the temperature sensor. The temperature sensor is all Positioned about the back again of your PCB, though the resistance is found about the entrance with the PCB.
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Do-it-yourself creation of electricity adapter cable: Use thick copper wires to attach the good and detrimental poles of the ability source to the ability source and hash board. It is recommended to work with 4AWG copper wire with a length of under 60cm with the hash board ability.
(3) Irregular temperature: The maximum PCB temperature established by our monitoring technique simply cannot exceed 90C/194T.
8V, one.8V patch filter capacitors (measure the resistance in the patch filter capacitors linked to the back and front of the PCBA)
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Look at the tools to make sure that the take a look at fixture can do the job generally. Determine the parameters of the maintenance station take a look at software package, the Variation of the examination jig, and also other linked parameters.
It’s important to take the time to appropriately put together and manage elements right before, through, and right after set up. This incorporates making use of thermal gel for better warmth transfer, forming air ducts for improved airflow, connecting energy supplies in the correct sequence, repairing chips to prevent overheating, and making sure take a look at fixtures meet creation needs.
APW12 power source: AP12_12V-15V_V1.2 and ability adapter cable. It is suggested to implement thick copper wire to the good and adverse poles of the power offer to attach the ability source and the power board and only limited to PT1 and maintenance test use.
Checking out the serial port log, if 0 chip is still observed presently, Will probably be among the subsequent scenarios:
In the event the serial port stops long-tem working after the small circuit, the 1st chip is Okay. In line with this method, discover the chip that still has the long-tem running failure immediately after a certain chip is brief circuited. Normally, it really is brought on by a specific chip harmful, so just substitute it;
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c) Liquid crystal display Display screen ASIC75: (Reporting seventy five), it implies that the hash board can detect 76 chips at 115200 baud charge, but only 75 chips are found at 12M baud rate, and one chip couldn't uncover at 12M baud price; Repair technique: Utilizing the dichotomy strategy, quick-circuit the 1V8 examination position along with the RO check issue involving the 38th and 39th chips with the short-circuit probe.
a) Liquid crystal display Show ASICNG: if (0), very first measure the total voltage of the measuring area plus the Raise circuit 19V is ordinary, after which you can utilize the limited-circuit probe to quick-circuit the RO check point as well as 1V8 Order Here check point concerning the 1st and the second chip, after which you can run the program to discover the chip.