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Post subject: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 5:08 am
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Dear maestros

I recentley rewired back my strat to the original with the exception that i solder every ground wire to a copper wire ring. Everything else is the same as diagram( the instrument is vintage62 RI ) . the problem is that when i turn the volume nob all the way down it doesnt mute the sound completely. For tone nobs they work but have a very subtle effect on the sound. Plus i get a somewhat bad buzz. Can you tell ne the possible causes ?
1- bad wiring ?
2-short circute ?
3-broken down pots ? (All three)
4-overheated capacitator ? (Have some sweat on it from soldering)

Thanks in advance


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 6:07 am
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1- Bad solder (s)

2- Bad wiring

Any picture ?


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 8:08 am
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stratele52 wrote:
1- Bad solder (s)

2- Bad wiring

Any picture ?


Unfortunately i just closed the thing up so i dont have any pictures. But it should be common problem.
So you think this is due tp bad wiring/soldering ? Pot's are ok ?


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 8:27 am
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kaveh wrote:
stratele52 wrote:
1- Bad solder (s)

2- Bad wiring

Any picture ?


Unfortunately i just closed the thing up so i dont have any pictures. But it should be common problem.
So you think this is due tp bad wiring/soldering ? Pot's are ok ?


Most of the time if you are a beginner with solder ( are you ? ) solders is/are the problem with error in the wiring
Wiring is easy to check . Solder less easy .

I don't know wich pot you use and where they come from ( used from E-Bay or brand new from Fender dealer ? Do you use the good value ? 250 K ohms audio A or B as needed ?

Pot are not easy to destroy when soldering . That is what I think pots are good .
You don't have a meter to read them ?


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 8:53 am
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stratele52 wrote:

Most of the time if you are a beginner with solder ( are you ? ) solders is/are the problem with error in the wiring
Wiring is easy to check . Solder less easy .

I don't know wich pot you use and where they come from ( used from E-Bay or brand new from Fender dealer ? Do you use the good value ? 250 K ohms audio A or B as needed ?

Pot are not easy to destroy when soldering . That is what I think pots are good .
You don't have a meter to read them ?


No im not begginer with soldering but the thing is that vintage strats have a very tight cavity routes so it is not impossible for connections to be touching each other under pressure.

And the pots are the stock 250k cts and they look very well made.


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 9:02 am
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kaveh wrote:

No im not begginer with soldering but the thing is that vintage strats have a very tight cavity routes so it is not impossible for connections to be touching each other under pressure.

.


If you route the wire like Fender do and do the proper lead dress ( that could be not easy ) it will fit safely .


Your wire copper ring (!) could take too much place . You don't need it , why use it ?


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 1:29 pm
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stratele52 wrote:
kaveh wrote:

No im not begginer with soldering but the thing is that vintage strats have a very tight cavity routes so it is not impossible for connections to be touching each other under pressure.

.


If you route the wire like Fender do and do the proper lead dress ( that could be not easy ) it will fit safely .


Your wire copper ring (!) could take too much place . You don't need it , why use it ?


What do you mean by "lead dress"? Well the copper ring is to implement the idea of star grounding and i know there is no ground loops in a passive pickup system but i read somewhare that soldering ground wires to the back of the volume pot is not a good practice. I insulate the ring though ( insulation tape )


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 1:40 pm
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You call copper tape a 'insulating ring " ? I never heard about this name.
Copper tape may do a good job if you have enough cavity . Pots and switch contacts must be insulate from cavity wall

Lead dress is how you put wires at the right place


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 2:09 pm
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stratele52 wrote:
Lead dress is how you put wires at the right place

stratele52 when you say wires in the right place , do you mean there is a optimum place on the pot to solder the lead? Or are you just referring to the routing.


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sat Nov 28, 2015 2:14 pm
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Eroot64 wrote:
stratele52 wrote:
Lead dress is how you put wires at the right place

stratele52 when you say wires in the right place , do you mean there is a optimum place on the pot to solder the lead? Or are you just referring to the routing.



Routing .

On the ( back of the ) pot you can solder the ground anywhere , this is a one piece steel .


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Post subject: Re: Strat wiring: pots malfunction
Posted: Sun Nov 29, 2015 5:33 am
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I use star grounding when I put in shielding. I have found that in a tight space you can get shorts, but you say you have insulated the ring. If you have shielding the ring must be grounded to it.

But, the volume pot not having any effect sounds like a short. I know it is a real pain, but you need to open it back up and take a look. While it is open, plug the guitar into a amp and tap the pickups with a screw driver and see if the volume works.

While it is open take pictures!


8)

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Post subject: Re: Strat wiring: pots malfunction
Posted: Mon Nov 30, 2015 8:01 am
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To OP: I think your problem is "I recentley rewired back my strat to the original ", but you didn't!

I'm sure if you do, it'll work perfectly!

Cheers - Peter.


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Post subject: Re: Strat wiring: pots malfunction
Posted: Tue Dec 01, 2015 6:03 am
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Peter S wrote:
To OP: I think your problem is "I recentley rewired back my strat to the original ", but you didn't!

I'm sure if you do, it'll work perfectly!

Cheers - Peter.



+10000 :lol:


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Post subject: Re: Strat wiring: pots malfunction
Posted: Thu Dec 03, 2015 12:57 pm
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The ground has to connect up with the output jack, otherwise there is nowhere for the current to go and your potentiometers will be acting only as variable resistors. Sounds to me like your ground isn't really connected to anything and at best your guitar will sound crappy; at worst you could get an electrical shock.


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