This is some crazy pot

[ExpAnonColin]

I'm repair a DL4, the mix knob is messed up.  When comparing it to a working DL4, it is definitely messed up. But the resistance range doesn't make sense, it goes from 0ohms to 3k back to 1.3k or so over the sweep of the pot and changes drastically when the  pedal is powered.  So I guess it must be a digital encoder.  I still need to replace it, should I try calling Line 6 for a direct replacement or can anyone give me any part tips?  I can give voltages, resistances, whatever works.

Cheers

-Colin

[niftydog]

you're measuring it in circuit? Otherwise, it could be cactus. Digital encoders generally have nothing to do with resistance at all.

[Paul Perry (Frostwave)]

If you are measuring it in-circuit, you cant say whether it is the pot or something connected to it.
Even if you compare it with another unit.

[ExpAnonColin]

Yeah, in circuit... and you're right.  Shoot.  This is going to be a pain to get out.

I wish there was a DL4 schematic floating aroundbut I'm not going to embarass myself by asking.

-Colin

[niftydog]

sometimes you can get lucky...

desolder the pins and carefully ensure they are not making contact with the solder pads or the vias. This only works if the through-holes are sufficiently large so as to allow some wiggle room between them and the pins.

[Paul Perry (Frostwave)]

sometimes you can get lucky...
desolder the pins and carefully ensure they are not making contact with the solder pads or the vias. This only works if the through-holes are sufficiently large so as to allow some wiggle room between them and the pins.

I've never been that lucky, though Lord knows I've tried!
I just cut thru 2 of the legs, do the testing, & then solder the legs back together (possibly with a bit of wire for bracing) if the pot looks good. If the pot looks bad, then out it all comes! :x

[ExpAnonColin]

sometimes you can get lucky...
desolder the pins and carefully ensure they are not making contact with the solder pads or the vias. This only works if the through-holes are sufficiently large so as to allow some wiggle room between them and the pins.

I've never been that lucky, though Lord knows I've tried!
I just cut thru 2 of the legs, do the testing, & then solder the legs back together (possibly with a bit of wire for bracing) if the pot looks good. If the pot looks bad, then out it all comes! :x

That was my method last night. I've replaced it, albeit with some really low-spec pots, so it doesn't work quite right.

-Colin