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Jazzy switch not working

 
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jamba72
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Joined: 06 Aug 2011
Posts: 332

PostPosted: Sun Dec 11, 2016 7:13 pm    Post subject: Jazzy switch not working Reply with quote

Got my SQ VM Jazzy yesterday and did a slight relic job plus setup with Tune-o-matic..sounds grrreat.
Have a Mustang bridge also but the TOM sounds much better, though I still have to file down the notches a bit..

well, I did a standard wiring but the rhythm switch doesnt work properly..I can hear something but veeeeeeery silent, is there a ground soldering missing on the switch??

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jamba72
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Joined: 06 Aug 2011
Posts: 332

PostPosted: Mon Dec 12, 2016 8:27 am    Post subject: Reply with quote

I noticed a difference in the schematics..in the original Fender one, the cap has a connection to ground ( pot case), in the Duncan plan not..



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NickS
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Joined: 14 Jan 2008
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Location: Nr. Basinggrad, UK

PostPosted: Mon Dec 12, 2016 9:55 am    Post subject: Reply with quote

Well spotted!
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jamba72
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Joined: 06 Aug 2011
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PostPosted: Mon Dec 12, 2016 10:43 am    Post subject: Reply with quote

ok, I desoldered this ground connection but now the switch activates the neck pickup, like a toggle, very strange..
maybe broken..IŽll just replace it..
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NickS
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Joined: 14 Jan 2008
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Location: Nr. Basinggrad, UK

PostPosted: Mon Dec 12, 2016 12:35 pm    Post subject: Reply with quote

You need the cap connected to ground for the tone control to work as a tone control.
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jamba72
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Joined: 06 Aug 2011
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PostPosted: Mon Dec 12, 2016 2:10 pm    Post subject: Reply with quote

-worxx-

bad shielding contact..
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