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Fender TBX tone control
http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10123&t=43965
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Author:  Van Savage [ Sun Aug 10, 2014 10:29 pm ]
Post subject:  Fender TBX tone control

I built a guitar with Lace Sensor Duallys, splitted them with miniswitches and used a TBX tone control. Everything works according to plan except the TBX. When I turn it up past the detent into treble it makes a pretty wicked hum. Any help or tips will be much appreciated.
Cheers, Van

Author:  Chris Pile [ Sun Aug 10, 2014 11:37 pm ]
Post subject:  Re: Fender TBX tone control

When they are split, they are single coils. And single coils hum.

Author:  Van Savage [ Wed Aug 13, 2014 10:01 pm ]
Post subject:  Re: Fender TBX tone control

It makes a high pitched hum regardless of whether they're split or in dual mode.

Author:  Chris Pile [ Wed Aug 13, 2014 11:22 pm ]
Post subject:  Re: Fender TBX tone control

Quote:
It makes a high pitched hum regardless of whether they're split or in dual mode.


Then you have other problems.
Is it grounded?

Author:  mechanix [ Thu Aug 14, 2014 7:43 am ]
Post subject:  Re: Fender TBX tone control

Sounds like an earth problem. I fitted one to a 90s strat years ago and had a similar problem. That turned out to be a broken wire. Using a multimeter check for continuity between all your grounds and bridge ect. I'll bet one is of high resistance or broken/missing, the tbx pot shouldnt cause a problem itself, its just two pots in one that switch over at pos5. Double check your wiring against the diagram too.

Is it a fender made tbx?

Author:  mechanix [ Thu Aug 14, 2014 12:39 pm ]
Post subject:  Re: Fender TBX tone control

Thinking about this earlier and if it only does it on one pot then it's probably wiring or a faulty pot or cap. The only thing i have with tbx is a '97 USA std strat which i fitted a couple of years back.

so i took the plate off and took a pic for you.

Image

The cap is only connected from the bottom pot of the tbx to the body, so that would probably be my first check van.

Author:  Van Savage [ Thu Aug 14, 2014 9:29 pm ]
Post subject:  Re: Fender TBX tone control

Thanks for the photo and all the suggestions. Yes, it is a Fender TBX and yes, I will get busy with it this weekend. My soldering leaves much to be desired and my glob of ground wires soldered to the vol. pot are a mess. Maybe I'll pull them loose and do it again for the third time.
Thanks again.

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