Shadoweclipse13's Master Schematic Page!

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mgeek
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Re: Shadoweclipse13's Master Schematic Page!

Post by mgeek » Thu Feb 14, 2019 1:23 am

Shadoweclipse13 wrote:
Wed Feb 13, 2019 7:44 pm
I don't know for sure as I've never messed with stereo setups, but I don't see why you couldn't have 1 3-way toggle for each output (B/B+N/N). If I had a stereo guitar, I would have the pickups each run to both switches, both switches wired as a 3-way (B/B+N/N), and I'd just have an on/off or killswitch for one of the output jacks.
that's what it does now, apart from lacking a killswitch. And I think that it might be fine after hearing both of your thoughts.

The thing I really want is to be able to suddenly whack on a different different amp in the middle of a track, but I guess by having each toggle as a panpot I'd be limiting myself more than by just having a kill switch- ie when using one of the amps in a two amp setup, I'd only be able to have both pickups going to that amp rather than one or the other.

Current setup plus volume pedal it is I think then. Thanks dudes!

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Re: Shadoweclipse13's Master Schematic Page!

Post by Shadoweclipse13 » Thu Feb 14, 2019 1:28 am

Volume pedal or ABY could both that. You could also convert one of the pots to a push-pull in case you'd like another option. Otherwise, you're welcome! Sounds like a fun setup ;D
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http://www.offsetguitars.com/forums/viewtopic.php?f=8&t=104282&p=1438384#p1438384

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Re: Shadoweclipse13's Master Schematic Page!

Post by mgeek » Thu Feb 14, 2019 1:31 am

volume pedal I think...got a Yamaha rotary cabinet, so it'd be ace to swell that in here and there...on the other side of the stage (if I can ever make myself lug two amps to a gig) ;)

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Re: Shadoweclipse13's Master Schematic Page!

Post by Shadoweclipse13 » Thu Feb 14, 2019 5:53 am

I'm not saying to get rid of the volume pedal, just that you could turn one amp on or off with an ABY as well. Volume pedal is one of my favorite things!
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http://www.offsetguitars.com/forums/viewtopic.php?f=8&t=104282&p=1438384#p1438384

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Re: Shadoweclipse13's Master Schematic Page!

Post by redshirt87 » Sun Mar 03, 2019 7:12 pm

Warning: I'm a wiring novice so forgive my ignorance. I'm learning.

Hi, I just picked up Electrical Guitar Company JM500 single coil pickups for my JM. Before I put them in, I need a new harness. I might have someone else make it, but I want to know if the mod I want to do is possible first.

Here's a pic of the guitar for reference of control layout: http://imgur.com/gallery/s0tlYUj.

It currently has :
-1 volume
-3-way toggle
-push button stutter switch (plan to replace with arcade button)

For the new pickups I want the same layout except I want to use a push/pull 500k volume pot for series/parallel switching. I basically want to have the option of turning the single coils into a sort-of giant humbucker.

Is this wiring scheme feasible? Any help is appreciated.

-Dave

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Re: Shadoweclipse13's Master Schematic Page!

Post by Shadoweclipse13 » Tue Mar 05, 2019 12:54 am

Totally feasible, and should be quite easy to do. Give me a day or two, and I'll have it drawn up for you. I've already got a couple that are close to what you want, so it shouldn't take but a couple minutes to modify one to be what you need.
Pickup Switching Mad Scientist
http://www.offsetguitars.com/forums/viewtopic.php?f=8&t=104282&p=1438384#p1438384

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Re: Shadoweclipse13's Master Schematic Page!

Post by Shadoweclipse13 » Sat Mar 09, 2019 4:16 am

Image

Done! The only thing I didn't do is draw the series/parallel switch next to the volume pot, but that won't matter. Just make sure to wire the push-pull this way and you'll be fine. Do notice the direction of the switch for series vs parallel. You can wire it upside down or the way it is here if you prefer to have series as the pull or parallel as the pull.
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http://www.offsetguitars.com/forums/viewtopic.php?f=8&t=104282&p=1438384#p1438384

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Re: Shadoweclipse13's Master Schematic Page!

Post by Flurko » Sat Mar 09, 2019 1:16 pm

I'm asking there since I'm drawing a blank and losing my mind...

I'm going to rewire my jazzmaster this way :

The basic controls are standard, with a normal JM 3-way switch, volume pot, only with the tone pot being replaced by a TBX control, but since it's self-contained, I can figure out how to wire it using the included diagram.

Im going slightly nuts with what I want the rythm circuit to do :
I'm going to install two piezo discs inside the guitar, and i'd like them to have each their own volume pot (the classic JM slider pots), and I can't figure out how to wire the rythm switch to get the piezos in and out of the circuit, without them being controlled by the normal volume pot.

If anyone has any idea how to do this, this would be greatly appreciated !

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Re: Shadoweclipse13's Master Schematic Page!

Post by redshirt87 » Sat Mar 09, 2019 3:41 pm

Shadoweclipse13 wrote:
Sat Mar 09, 2019 4:16 am
Image

Done! The only thing I didn't do is draw the series/parallel switch next to the volume pot, but that won't matter. Just make sure to wire the push-pull this way and you'll be fine. Do notice the direction of the switch for series vs parallel. You can wire it upside down or the way it is here if you prefer to have series as the pull or parallel as the pull.
Thanks! Much appreciated. It definitely makes more sense to me now.

Edit-However, after looking at my pickups, I realized the wires on both pickups are like this http://imgur.com/a/vLvkXlM. Can I get around this by adding wire to the hot or ground to extend the length?
Last edited by redshirt87 on Sat Mar 09, 2019 9:02 pm, edited 1 time in total.
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Re: Shadoweclipse13's Master Schematic Page!

Post by timtam » Sat Mar 09, 2019 4:44 pm

Flurko wrote:
Sat Mar 09, 2019 1:16 pm
Im going slightly nuts with what I want the rythm circuit to do :
I'm going to install two piezo discs inside the guitar, and i'd like them to have each their own volume pot (the classic JM slider pots), and I can't figure out how to wire the rythm switch to get the piezos in and out of the circuit, without them being controlled by the normal volume pot.
Hope you don't mind me taking this one Shadoweclipse13, but my brain is in circuit mode at the moment. ;)

So Flurko you want to choose between just the piezos on their own or just the lead circuit on its own ? Or do you want to add the piezos on top of the lead circuit ?

I'm guessing the latter, but the former is simple, with the existing hardware. The rhythm and lead circuits are completely isolated in the stock JM wiring - the rhythm/ lead switch swaps between them. Same as in a jag (see below) - just with the JM's 3-pos toggle where the jag has the the two pickup on/offs, in the lead circuit (only). So just pull out the stock rhythm circuit and put your piezo circuit in place of it (using roller pots as your piezo volumes) and it won't be affected by the lead controls on the main control plate.

The latter could be done by swapping the rhythm/lead DPDT to a 3-way (middle on) switch (might need some drilling of the pickguard for greater switch travel, or another switch location ?) and moving it in the whole circuit to just before the output jack. Neck PU would be wired direct into the stock 3-way toggle, instead of to the rhythm/lead DPDT (which will be gone). And the new switch at the output stage would take the lead circuit, piezo circuit, or both outputs.

Image
Note: Whoever did this classic jag circuit diagram got the rhythm vol and tone pot switched.

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Re: Shadoweclipse13's Master Schematic Page!

Post by Flurko » Sun Mar 10, 2019 6:00 am

Thanks for the answer!

Yes, I'd like to add the piezos on top of the main circuit, wouldn't it be possible to have the 2-way switch wired with piezos off/piezos straight to the jack ? I think there's something I'm not getting about how circuits work here. If it's not possible I'll have two separate circuits like you explained in your post, I want to keep the classic switch layout appearance of a JM. Thanks!

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Re: Shadoweclipse13's Master Schematic Page!

Post by Shadoweclipse13 » Sun Mar 10, 2019 7:34 am

For the piezos it's very easy: since theres no rhythm circuit just use the rhythm switch to control each one on/off. The switch is a DPDT, so if you use one pole for one and the other pole for the other, you'll be fine. The only thing there is that you'll either have both on or both off. However, you could wire the switch so that the opposite piezos are on (one is on, the other is off and vice versa). The other thing you could do is wire each one to it's own on/off switch by changing the volume and tone pots to a push-pull. Then you'd have the rhythm switch left for a series-parallel or phase switch.

And yes, piezos get wired directly to the output jack. Using a volume for each won't be a problem.

EDIT: These are the 2 schematics that I found when I looked it up. I've not messed with piezos very much myself.

Image
Image
timtam wrote:
Sat Mar 09, 2019 4:44 pm
Hope you don't mind me taking this one Shadoweclipse13, but my brain is in circuit mode at the moment. ;)
We've got plenty of experts around here, and I've never had a monopoly over circuitry. Doesn't bother me one bit ;D
Last edited by Shadoweclipse13 on Sun Mar 10, 2019 8:00 am, edited 1 time in total.

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Re: Shadoweclipse13's Master Schematic Page!

Post by Shadoweclipse13 » Sun Mar 10, 2019 7:39 am

redshirt87 wrote:
Sat Mar 09, 2019 3:41 pm
Thanks! Much appreciated. It definitely makes more sense to me now.

Edit-However, after looking at my pickups, I realized the wires on both pickups are like this http://imgur.com/a/vLvkXlM. Can I get around this by adding wire to the hot or ground to extend the length?
Anytime dude! Yes, you can always solder on more wire to lengthen your pickup wires. You could use wire nuts too, but solder is definitely a better connection.
Pickup Switching Mad Scientist
http://www.offsetguitars.com/forums/viewtopic.php?f=8&t=104282&p=1438384#p1438384

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Re: Shadoweclipse13's Master Schematic Page!

Post by SY6655321 » Tue Mar 19, 2019 8:52 pm

A couple of questions about Les Paul's; how do the tone controls work in the middle position? Are the neck and bridge tone circuits independent of each other? Do both tone pots load the signal down in middle position?

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Re: Shadoweclipse13's Master Schematic Page!

Post by Shadoweclipse13 » Tue Mar 19, 2019 9:00 pm

I'm not exactly sure. I wired my Tele Custom kinda like that (volume and tone for each) and it works where I can use either volume as a sort of master volume, though the tone pots seem to work for each pickup independently (tone gets a little darker in the middle position, but not as dramatically as going from 10-0 for either pickup on their own).
Pickup Switching Mad Scientist
http://www.offsetguitars.com/forums/viewtopic.php?f=8&t=104282&p=1438384#p1438384

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