Use the check fixture on the V2.2010 Manage board. The beneficial and destructive poles on the examination fixture should be mounted with discharge resistors. It is usually recommended to work with a cement resistor of 25 ohms and greater than 100W.

   a) Following the card Restoration is properly, the eco-friendly LED indicator are going to be always on, and the power shall be turned off and restarted;

When the defective chip is located, weld the chip yet again by including flux round the chip and heating the solder joints on the chip pins into a dissolved condition. This could prompt the chip pins and pads to re-run in and obtain the tin, acquiring the effect of tinning yet again.

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2. When using the S19 Professional+ Hyd sequence examination fixture for the first time, utilize the SD card flash system to update the FPGA on the fixture Command board, unzip it and duplicate it to your SD card, and insert the card in the fixture card slot.

Or The 2 ASIC chips With this area are certainly not soldered thoroughly. A lot of them are due to quick circuit of 0.8V and 1.2V patch filter capacitors (evaluate the resistance in the patch filter capacitors relevant to the front and back sides with the PCBA).

Disclaimer: Remember to Notice this facts demonstrates only minerstat supported characteristics and might vary with the capabilities that the particular mining hardware features. Results from mining calculator are estimation based on The present difficulty, block reward, and Trade fee for certain coin.

Verify the welding quality of the heat-delicate chip plus the tiny warmth sink. The deformation of the massive heat sink substance will trigger bad warmth dissipation of the chip and influence the temperature variation.

Routine maintenance staff need to have Digital awareness, at least one calendar year of routine maintenance experience, and proficiency in BGA/QFN/LGA packaging and welding technologies.

two. The maintenance operators will need to have specific Digital awareness, multiple year of routine maintenance practical experience, and be proficient in BGA/QFN/LGA package soldering technological know-how. 3. Right after repairing, the hash board should be analyzed for over two occasions to generally be OK right before it could possibly pass! 4. Look at whether the applications and hash board testers can operate Usually, determine the maintenance station to check software program parameters, take a look at fixture variations, and so forth. five. During the check of repairing and changing the chip, the chip needs to be tested very first, then the functionality test shall be performed right after passing. The function test should be certain that the smaller warmth sink is welded capable. When setting up the large heat sink, the area of your chip needs to be evenly coated with thermal gel and the cooling fan shall be at full velocity. When utilizing the chassis to dissipate heat, two hash boards need to be placed at the same time to variety an air duct. The only-sided check of the output Look Here must also ensure that the air duct is fashioned (critical). 6. When measuring the signal, use 4 admirers as guidance for warmth dissipation, as well as lovers shall keep complete speed. seven. When powering around the hash board, consumer have to initially link the negative copper wire of the ability offer, then the favourable copper wire of the ability offer, and finally plug during the signal cable. When eliminating, the order of installation need to be reversed. Initial remove the signal cable, then take away the positive copper wire of the power provide, And at last clear away the unfavorable copper wire of the facility supply. In case the consumer do not adhere to this purchase, it is extremely simple to cause harm to R233, R232 (not all chips are available). Before testing the pattern, the repaired hash board should be cooled down just before testing,  or else it may cause PNG. eight. To interchange a new chip, printing pins and soldering paste are required to make sure that the chip is pre-soldered after which you can soldered towards the PCBA for repair III. hash board Tester Creating and Issues Needing Attention The supporting fixture of the hash board tester should really satisfy the warmth dissipation with the hash board and facilitate the measurement of alerts.  1. When using the 19 Pro check fixture for The 1st time, you have to use FPGA (write conversion file) to update the take a look at fixture to decompress the fpga file, copy the many documents towards the SD card, then insert it in the check fixture card slot, ability on for about 1 moment, and await the instruction light-weight flashes over three times to accomplish the update, then get rid of the SD card. Take note: In the event the update is not accomplished, it could induce the test fixture to prompt precisely the same chip mistake when. two: Make sure you right decompress the conversion file and duplicate it to your SD card. (Please structure the SD card prior to copying)

● When locating the defective chip, the chip must be welded once again. The strategy is to include flux round the chip (if possible no-clean up flux), and warmth the solder joints with the chip pins to the dissolved point out to prompt the chip pins and pads to re-operate in and accumulate the tin, In order to achieve the effect of tinning again. If the fault remains exactly the same right after re-soldering, you'll be able to immediately exchange the chip.

This spare aspect is specifically created for straightforward maintenance and repair on the S19 Professional hash board, ensuring seamless operations and superior-general performance mining.

Repair strategy: Verify the looks, measure the chip capacitor or resistor in front, it is generally caused by very poor soldering from the chip or simply a destroyed chip capacitor or resistor or irregular resistance price;

PS: Should the hash board isn't powered or powered off based on the take a look at sequence, producing U2 and U10 to melt away out, it'll report 0 when testing the chip;