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Author Topic: Repair PMU Avalon  (Read 113 times)
CarlGMZ (OP)
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September 01, 2022, 01:04:40 PM
 #1

Good morning, I am having problems with Avalon 851 and 921 PMU's as these PMU's give me low voltage...

Can someone help me fix these?
DaveF
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September 01, 2022, 01:25:58 PM
 #2

You don't say where in the world you are located but these people have them and they have a fairly good reputation:

https://www.zeusbtc.com/MinerDetails.asp?ID=180
https://www.zeusbtc.com/UsedMinerDetails.asp?ID=63

There are other sources; once again depending on where you are.

For repair, again without knowing your location it's tough to recommend repair people since shipping and customs can be a killer if it has to cross a border to get to them and back to you.

Edit: Did you check your power supply to make sure it's not the issue?

-Dave



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CarlGMZ (OP)
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September 01, 2022, 06:07:27 PM
 #3

No, we repair our power supplies ourselves, we are from Venezuela but we are a mining company that is new to the area, so we aspire to offer foreign technical service, but in the meantime we are only working with our mining teams, but I wanted to know If someone could instruct me in the repair of the PMU.

We know Zeus BTC, but more than buying spare parts, we seek to repair the ones we already have.
BitMaxz
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September 01, 2022, 10:12:14 PM
 #4

No, we repair our power supplies ourselves, we are from Venezuela but we are a mining company that is new to the area, so we aspire to offer foreign technical service, but in the meantime we are only working with our mining teams, but I wanted to know If someone could instruct me in the repair of the PMU.

We know Zeus BTC, but more than buying spare parts, we seek to repair the ones we already have.

If you have technical knowledge about repairing any kinds of Electronic boards you don't need to find someone to instruct how to repair PMU If I were you hire a technician to teach you how to troubleshoot PMU circuits (Board Level repair). As you can see on the PMU most of the parts are electrolytic capacitors they are related to power if one of them is busted then there is an impact on power output same goes for other parts like busted coils, transistors, and resistors.

If you don't have technical knowledge board level then replacing the whole PMU is the easier one.

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