Fishy Js100/1000 wiring - Jemsite
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post #1 of 4 (permalink) Old 02-18-2005, 10:48 PM Thread Starter
 
Join Date: Mar 2003
Location: Portugal
Posts: 80
Fishy Js100/1000 wiring

Since my vol pot on my Js100 went kaput i'm taking the time to make Js1000 mod and adding a high pass filter... my problem is with the wiring on the coil-tap feature:

In the JS1000 wiring diagram at http://www.ibanez.com/wiring/wire.asp?y=2004&w=JS1000 the humbucker circuit is closed when the tone push/pull is up.. won't this mean that the coil-tap is ON when the switch is DOWN?? Maybe i'm not getting what the second wire on the humbucker is.. i think theres a separate set of wires for each row of magnets rights??

On the JS100, wich also features coil-tap, http://www.ibanez.com/wiring/wire.asp?y=2004&w=JS100 the wiring is inversed in the pot... instead of having wires in the up and middle position, they're in the low and mid, so i think that means the coil ta+ is ON with the switch UP, being inverse to the JS1000!!! I thought all JS guitars had coil tap ON with the switch up, like on the js100 schematic!

Also, on my Js100, the wiring in the tone pot is more or less like on the JS1000 diagram, not as on Ibane'z own Js100 diagram.. on mine the humbucker wires are in the middle and the cap etc in on top!! But i think i'm getting full humbucker with the switch DOWN!!

I'm really confused! I can't understand why the JS100 wiring on my actual guitar is not like the ibanez wiring (whatever the year), and what set of middle/up or middle/lower soldering positions gives the coil-tap (half humbucker right?) on the guitar!

Help!!
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post #2 of 4 (permalink) Old 02-19-2005, 03:58 PM
 
Join Date: Jun 2002
Location: Berlin, Germany
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Re: Fishy Js100/1000 wiring

I've seen various different sorts of push-pull pots.

1 2
3 4
5 6

some of them connect 3-5 and 4-6 when the pot is pulled, some connect 1-3 and 2-4.
Seems to me like they switched brands on the newer JS1000s or something like that. The one in my JS1 (and as far as i remember, on older 1000s) works like the one in your js100 diagram.

http://www.ibanez.com/wiring/wire.asp?y=2000&w=JS1000

heres an older diagram that should suit you well. Good luck!
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post #3 of 4 (permalink) Old 02-20-2005, 07:23 AM Thread Starter
 
Join Date: Mar 2003
Location: Portugal
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Re: Fishy Js100/1000 wiring

But whatever the type of push/pull pot, the aim is to activate the coil-tap when the circuit between the coil-tap wires form the humbuckers and the ground is closed right? That how a coil-tap switch works rights? I've been reading about this and i think i've got it, tell me if i'm wrong...

If we have a pot like this:

1 2
3 4
5 6

that connects 1-3 and 2-4 when the switch is up, we would connect the humbuckers coil-tap wires on 3,4 and solder 1-2 and a ground together right? Then the humbucker would be like a single pickup with the switch UP right?
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post #4 of 4 (permalink) Old 02-20-2005, 05:26 PM
 
Join Date: Jun 2002
Location: Berlin, Germany
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Re: Fishy Js100/1000 wiring

Quote:
Originally Posted by Zeppel
If we have a pot like this [..] that connects 1-3 and 2-4 when the switch is up..
exactly (in this case)!
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coil tap , high pass filter , wiring diagram

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