Was sleeving the pumps when I realized the wires were to small to do properly. Soldered on some 20 awg wire instead of the 22. First pump went well enough.
Second pump unfortunately did not go well at all. Upon pulling it out I noticed the soldermask was missing in parts and the trace was lifting up and broken. Not sure how it was still working (maybe it wasn't?).
Cleaned up up and tried to repair the PCB but it would just short out.
Now I don't really need two pumps, so I could drop down to a single pump w/ no affect on performance. I'd just lose the redundancy. I also have replacement PCBs I could install, but I'd lose PWM which is important to me as I like my quiet I can make the pumps run.
And I'll throw in a few pics of my crimper and stripper.
PCB from a Koolance PMP-400. Was surprised it was the same PCB as the MCP35X.
Pulled the pump apart to make it easier to solder the PCB.
Pump actually worked afterwards....... Until this morning when I killed it again. The 12V solder pad on the PCB pulled off. So unfortunately I am back down to one working pump.
A pic of my DDC graveyard / parts. I can get most of them working again if I put the time in to fix them. But I'll have to use the DIYINHK PCBs which are loud as eff since they run 60% faster plus they don't have PWM.
Do you use a special controller for PWM, or just the motherboard fan headers? How low can the 35X run?
I was a DDC3.2 @ 5V diehard but they got harder and harder to start, and when not properly suspended/isolated they transmitted a weird tone throughout the entire case.
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