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Post subject: Guitar electronics problem
Posted: Thu Mar 27, 2008 7:33 pm
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Hi all,

I have a 70's style strat I bought in 2002 made in mexico. I recently did some needed work on the guitar. The neck didn't seem to sit right to me so I did some sanding in the cavity and trimmed the pickgaurd a bit and disable the microtilt. I leveled the frets as well and I remove the plastic string nut and made a new for it.
Now came time to reduce the noise as much as posible so I used copper and shielded the routing cavity as well as the output jack cavity. I also unsoldered the ground wire from the trem springs holder and grounded it to the shielding in the routing cavity. I did this so I'm not part of the electronics when touching the strings. Safty first. Quite a bit of hum was reduced but I still find that the pickups pickup a lot of RF signal, even my tv remote. This my be normal I don't know but the big problem is I hear a crackle sound when I touch any of the pickup adjustment screws or pickgaurd screws etc and I don't know why. It's very noticable when I play and my fingers happen to touch a screw. All wiring connects look good to me. Nice shiny solder etc. Any suggestions is appreciated.

BobV


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Post subject:
Posted: Thu Mar 27, 2008 7:49 pm
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Joined: Mon Jul 16, 2007 3:47 pm
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Location: Somewhere near Seattle
It still sounds like a ground hum to me. Maybe reflow the ground joints?

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Post subject:
Posted: Thu Mar 27, 2008 8:07 pm
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Location: Vacaville, CA USA
Grounding issue. The ground to the claw is needed.

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Post subject:
Posted: Thu Mar 27, 2008 8:30 pm
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Most guitar manufactures not only Fender do this. It's more of a manufacturer cost issue I believe from what I've read that this is done this way. Of course there are Fender, gibson and other manufactures that have models that do not ground to bridge and are well shielded and every one should consider removing ground from bridge or trem area's just for safty sake. Though there are not many insidences with electric shock there is always the potential for it to happen. This change does not effect your tone or anything it's just a safty percaution. Look into it. Back to my issue. I just found out that the scratchy noise does occur on some fenders or single coil pickups. I don't know why but one of the ways to reduce this is to shield the pickgaurd which I haven't done. So I'm going to try that and see how much it helps.

BobV 8)


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Post subject:
Posted: Thu Mar 27, 2008 8:39 pm
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Location: Vacaville, CA USA
See my response in your other thread.

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I didn't Lose my mind, I traded it for this guitar.


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