I want to ad switches to "standard Jem" wiring - Jemsite
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post #1 of 11 (permalink) Old 01-16-2005, 11:06 AM Thread Starter
 
Join Date: Jul 2002
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I want to ad switches to "standard Jem" wiring

i got a cheap RX650, (H-S-H) and i have a couple dimarzios lying around... so, i dont like the coil split / push-pull set up and was thinking of the following:


I want the standard 5 way setup found on any jem, but id like to ad a lil switch to bypass the tone control (ala PGM), and a lil switch that kills the output (kinda on/off)

I can ad the on/off myself, but have no idea what to do to bypass the tone pot... anyone knows? plz with pics itd be great



thanx...
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post #2 of 11 (permalink) Old 01-16-2005, 01:36 PM
 
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Re: I want to ad switches to "standard Jem" wiring

There's a single wire (aside from a ground tie from pot case to pot case) that goes from one of the volume pot's lugs down to the tone control pot's lug - wire in an interruptor switch right there, and you'll take the tone control out of the circuit when 'off'.

No pics handy - let me know if this is as clear as mud, and I'll try to hone this a bit for you.
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post #3 of 11 (permalink) Old 01-16-2005, 01:53 PM Thread Starter
 
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Re: I want to ad switches to "standard Jem" wiring

Quote:
Originally Posted by steve
There's a single wire (aside from a ground tie from pot case to pot case) that goes from one of the volume pot's lugs down to the tone control pot's lug - wire in an interruptor switch right there, and you'll take the tone control out of the circuit when 'off'.

No pics handy - let me know if this is as clear as mud, and I'll try to hone this a bit for you.
Understood perfectly... I thought about that, but i was afraid id leave the circuit "open" or something and ended up with 2 on/off switches

thanx a lot man
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post #4 of 11 (permalink) Old 01-16-2005, 08:12 PM
 
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Re: I want to ad switches to "standard Jem" wiring

You're welcome - oh, and don't do what you might have the instinct to do as the 'right' thing and switch to ground to close the circuit off - that'll become that on/off switch you wanted pretty quick. =]
Yup, just use the switch to disconnect that lead, and reconnect.
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post #5 of 11 (permalink) Old 01-17-2005, 05:46 AM Thread Starter
 
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Re: I want to ad switches to "standard Jem" wiring

Quote:
Originally Posted by steve
You're welcome - oh, and don't do what you might have the instinct to do as the 'right' thing and switch to ground to close the circuit off - that'll become that on/off switch you wanted pretty quick. =]
Yup, just use the switch to disconnect that lead, and reconnect.
Thanks man, ill do it later today if i can get my hands on the switches, and ill let ya know how it went
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post #6 of 11 (permalink) Old 01-26-2005, 08:06 PM Thread Starter
 
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Re: I want to ad switches to "standard Jem" wiring

just today i got to finally put it all together... and it worked flawlessly


thanks steve
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post #7 of 11 (permalink) Old 01-28-2005, 08:26 PM
 
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Re: I want to ad switches to "standard Jem" wiring

Glad all worked out well.
=]
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post #8 of 11 (permalink) Old 01-29-2005, 11:32 AM Thread Starter
 
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Re: I want to ad switches to "standard Jem" wiring

Actually, im gonna bother you a lil more but this time about the kill switch... i put the switch in the live wire from the volume pot to the jack, and when i use it i get that buzz, as if the guitar wasnt plugged... so i guess i need to ground something else, right? what would that be?

lol... still, im pretty happy how it all turned out


edit: oh and one more... i used 500k pots, and i read on dimarzios wiring diagram that 250k pots would make it "warmer".... its a Tone Zone on maple, so its quite bright as it is so, i was wondering, if i put a 250k tone pot, would it indeed be warmer? and just let it scream once i flip the switch?


thanx

Last edited by marianozz; 01-29-2005 at 11:37 AM.
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post #9 of 11 (permalink) Old 01-30-2005, 03:22 PM
 
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Re: I want to ad switches to "standard Jem" wiring

The kill switch should indeed cross the live to ground when it's engaged - that'll close the circuit and eliminate that noise completely.

As for the 250k vs. 500k - yes, using 250k for volume will definitely bring down the treble content noticably, but that will remain a relative factor when you flick the switch to disconnect the tone control from the circuit.
If you're finding the 500k bright, then try out a 250k for the volume control. When you disconnect the tone control with the switch, you'll get back some of that treble content in the signal... might be more to your liking.
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post #10 of 11 (permalink) Old 01-31-2005, 09:48 AM Thread Starter
 
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Re: I want to ad switches to "standard Jem" wiring

oh i see, since i was talking "bright vs. warm" i just asumed it was the tone pot's value that made the difference, not volume...

anyway i just love the way it sounds, so ill just fix the kill switch.... for now


thanks a lot man, seriously
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post #11 of 11 (permalink) Old 01-31-2005, 11:17 PM
 
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Re: I want to ad switches to "standard Jem" wiring

In fact, the lower treble content is actually the result of the lower resistance between live and ground with the 250k volume pot... that warms it up.

Hope you get your kill switch sorted to your liking...
=]

And, no problem-o.
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coil split , tone zone , wiring diagram

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