a-four) Test Should the pins of the 1st chip are not soldered effectively (it had been present in repair that the pins are tinned observing within the facet, though the pins are usually not stained with tin at all if the chip is eliminated)

seven. When powering on the hash board, the damaging copper wire of the facility supply has to be related initially. Right before screening the pattern, the repaired hash board need to be cooled down prior to screening, in any other case it is going to induce examination PNG.

; secondly, following the Visible inspection is passed, the impedance of each voltage domain is usually tested 1st to detect whether or not You will find a short circuit or an open circuit. If located, it should be dealt with very first. Additionally, Look at whether the voltage of each and every domain is about 0.36V.

seven) A person hashboard has small computing electrical power: As for this example, you can log in to your IP throughout the Putty software to watch if the domain Doing work voltage of this board plus the NONCE return are ordinary. You may repair it As outlined by Putty LOG prompt.

nine. When replacing a new chip, thoroughly clean the pins and utilize solder paste in order that the chip is coated with tin just before soldering.

b) Enter the person title, password plus the examination command to begin to see the NONCE return position along with the standing of the voltage area. If there Get It Here is abnormality in NONCE and area voltage, it might be repaired based on the irregular chip printed.

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If the EEPROM NG is shown over the Liquid crystal display screen of your hash board tester, Verify whether or not the welding of U5 is usual.

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Irregular supporter Display screen: In such situations, we have to Test if the lover works Commonly, whether or not the reference to the Manage board is regular, and whether or not the Regulate board is abnormal.

Examine whether the 4 resistors of R24~R27 are welding abnormally and Test if the welding of PIN2, three of U3 is normal.

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Make reference to the voltage worth selection explained via the sign development. When the measured voltage value is too substantial, it might be compared Using the measured values of adjacent groups for judgment.