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Changing the pots on a pcb

S

St_G

Well-known member
Joined
Dec 21, 2016
Messages
151
Anybody have any tips for swapping out the pots on an EBMM that has them mounted on a PCB? I'm not the best solderer to begin with, so that little circuit board kinda scares the crap out of me.
 
Hot iron (600-700ºF, 320-370ºC) to melt the solder immediately, is better than cool iron and working slow to avoid overheating the board or you can damage it. Lots of great soldering resources online so check 'em out before starting. If you don't want to take the risk better ask a professional.

May I ask why are you changing pots?
 
Another trick - if you don't want to save the pot - is to cut the lugs off. Then you can unsolder them individually.
 
Those pots aren't meant to be board mounted.

That said, if I were wiring new pots up, I'd probably just run wires to the preamp rather than mount them. Would make it easier to mod things in the future and avoid overheating the preamp.
 
That's what I was afraid of. The pots in there now look smaller than normal guitar pots, but otherwise, I have no idea what to search for.

This guitar is passive, though, so no preamp.

beej said:
Those pots aren't meant to be board mounted.

That said, if I were wiring new pots up, I'd probably just run wires to the preamp rather than mount them. Would make it easier to mod things in the future and avoid overheating the preamp.
Click to expand...
 
So far, these are the only 500k pcb pots with audio tapers and split shafts that I can find, but Jesus Hermione Christ, the cost of shipping is killing me.

Even Stewmac doesn't have them... Not that the shipping there is much better.

POT, A500K, PCB, KNURL SPLIT SHAFT, 16MM
 
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