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volume knob not turning all the way down

 
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Bacchus
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Joined: 20 Apr 2006
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Location: wandering

PostPosted: Sun Aug 03, 2014 8:04 pm    Post subject: volume knob not turning all the way down Reply with quote

So I'm rewiring a guitar and it all works more or less as it's supposed to except that the neck pickup volume knob goes from full volume to about half volume at 0.

I've checked and double checked and triple checked the wiring. Does this mean that I've burnt the pot or something?

It's this'un, in case anyone's interested.

http://cdn.seymourduncan.com/pdfs/support/schematics/2ts_2v_2t_phsp.pdf
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weeping_moon
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Joined: 08 Nov 2009
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PostPosted: Sun Aug 03, 2014 8:58 pm    Post subject: Re: volume knob not turning all the way down Reply with quote

Yep you have burned the pot to much. I had to do this even with one of my guitar, they can also go broken with years of playing and such.
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Bacchus
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PostPosted: Mon Aug 04, 2014 10:22 pm    Post subject: Reply with quote

Second opinion anyone?
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Gabriel
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Joined: 11 Apr 2010
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PostPosted: Tue Aug 05, 2014 1:12 am    Post subject: Reply with quote

If you've got a multimeter you could always check the resistance value when the pot is on zero. If it isn't reading the expected results the pot may be fried.

It could be as much as too much solder on the tabs causing a short though - I've had that problem before.
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JordanD
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Joined: 20 Apr 2006
Posts: 891
Location: Manchester, UK

PostPosted: Tue Aug 05, 2014 6:24 am    Post subject: Reply with quote

Burning out a pot is a really difficult thing to do in my experience, so I don't think it's likely that's your issue. I have held my iron on cheap pots for way too long before and never burned one out.
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NickS
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Joined: 14 Jan 2008
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Location: Nr. Basinggrad, UK

PostPosted: Tue Aug 05, 2014 8:08 am    Post subject: Reply with quote

Maybe the pot tag that should be earthed isn't a good earth, so the pot is just a resistance in series. Time to get the meter on it.
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