Hey Anders - Gonna try and incorporate this into a build for a friend. Per the other layouts of this circuit that are floating around, lug two of the tone knob goes to lug three of the level, right?
Okay - for what it is worth, you can call this verified. I built it up with a 741, a W20k pot for the tone and a clip selector to go between 4148s and red LEDs... but all that stuff aside, it does sound better to me than a lot of the DS-1 pedals I've heard!
I found a small mistake, looking the schematic I have: the input cap, after the 1k, is 47nF, and the cap going out the emitter of Q1 is 470nF. Those are simply swapped. I didn't check the whole layout, but if it sounds fine I guess it's pretty ok.
Check all solder joints to make sure they’re not overlapping others. Maybe try something easier like an Electra or Fuzz Face circuit to build up some skills?
I would agree with BrianQ. If I did it over again - I would be building a fuzz face first to get the hang of it (they're small and the components list is also small). I remember messing up my first [3] builds while I got the hang of soldering and the pinout situation. lol.
I've never had much luck on de-soldering but if I was going to troubleshoot: 1) Make sure the pin outs are in the right direction (recommend using sockets so you can quickly move things around) 2) Make sure the Op Amp is in the right direction (recommend using sockets in case you get a bad component) 3) Start checking the rails using a multimeter (no overlaps or bridges unless it's on purpose) 4) Did you make all of the cuts, the links and that double-link at J14 5) Did you remember to build it backwards (the image is the top but the cuts and links go into the bottom)? 6) Recommend having a test device to quickly connect the in, out, ground and 9V to check functionality (nothing worse than boxing something up to find it doesn't work)
The more you build, the easier it gets...but sometimes it's easy to forget something simple when you're in a rush. Best of luck!
Is there a bigger sized image available?
ReplyDeleteNow there is a bigger image avaiable.:-)
DeleteHey Anders - Gonna try and incorporate this into a build for a friend. Per the other layouts of this circuit that are floating around, lug two of the tone knob goes to lug three of the level, right?
ReplyDeleteYes, connect Tone 2 to Level 3.
DeleteOkay - for what it is worth, you can call this verified. I built it up with a 741, a W20k pot for the tone and a clip selector to go between 4148s and red LEDs... but all that stuff aside, it does sound better to me than a lot of the DS-1 pedals I've heard!
ReplyDeleteSweet, Chris!
DeleteI'll tag it right away!
This is a DS-1 I could build.
ReplyDeleteI found a small mistake, looking the schematic I have:
the input cap, after the 1k, is 47nF, and the cap going out the emitter of Q1 is 470nF. Those are simply swapped. I didn't check the whole layout, but if it sounds fine I guess it's pretty ok.
thanks!!
Deletethank you! :)
ReplyDeleteHi, i made it and it only picks up radio stations. how can i fix that? its my first diy pedal. Thank you :).
ReplyDeleteCheck all solder joints to make sure they’re not overlapping others. Maybe try something easier like an Electra or Fuzz Face circuit to build up some skills?
ReplyDeleteI would agree with BrianQ. If I did it over again - I would be building a fuzz face first to get the hang of it (they're small and the components list is also small). I remember messing up my first [3] builds while I got the hang of soldering and the pinout situation. lol.
ReplyDeleteI've never had much luck on de-soldering but if I was going to troubleshoot:
1) Make sure the pin outs are in the right direction (recommend using sockets so you can quickly move things around)
2) Make sure the Op Amp is in the right direction (recommend using sockets in case you get a bad component)
3) Start checking the rails using a multimeter (no overlaps or bridges unless it's on purpose)
4) Did you make all of the cuts, the links and that double-link at J14
5) Did you remember to build it backwards (the image is the top but the cuts and links go into the bottom)?
6) Recommend having a test device to quickly connect the in, out, ground and 9V to check functionality (nothing worse than boxing something up to find it doesn't work)
The more you build, the easier it gets...but sometimes it's easy to forget something simple when you're in a rush. Best of luck!