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If it's all wired up and you have a tuning fork you can use that to see if you get the expected signal from the pickups by holding the vibrating fork over the pickups - it can test the volume control behaviour
in the diagram all the chambers have a wire leading from one to the other and soldered to the bottom of the cavity - how are you ensuring this continuity between chambers? if it's not there you'll end up with several ground points... IIRC
you could just add a strip of tape across the top connecting each cavity to test this theory out.
On the builds I've done, Bass VI and telecasters, when I've shielded I've run thin wires from each chamber into the next and soldered it to the bottom of the cavity.
I try and make sure everything connects to everything else just once to avoid ground loops.
The shielding on the plastic guard doesn't connect to the metal control panels... I use a digital tester to check continuity and resistance.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
I'm no expert on multi-metering - I don't really understand it. I have noticed that I get readings of 000 from the jack plug ground to the copper shielding, that's just one piece of wiring. I get a reading of 012 from the trem to the farthest away piece of copper shielding up in the upper switch cavity, which is a few pieces of foil and a few links of wire away.
As a noob, do I want 000 readings throughout the guitar? Could this be the issue?
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
I sanded the back of all the plates, to make a good electrical contact because the chrome appeared to insulate. Now I get absolutely nothing, ie, the pickups are off, when the plate with the jack plug touches the copper foil shielding. It would appear I'm making things worse.
I'm thinking of handing it in to a tech in the hope that they can quickly work out the problem.
Pretty dismayed, I'm off to bed....But thanks for the help because we were definitely making progress.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
If you have connected everything with ground wires, plus the shielding, you may have a ground loop, hence the problems you're experiencing?
Also: have you made the mistake of shielding the jack socket hole?
You'd be surprised how many of my customers do this, but at least it's really remedied.
Then just twist the output wires around each other to guard against RFI...
Or should I just try to remove the copper foil where it was coming into contact with the plates? I also painted all cavities with shielding paint (before copper foiling) which may have added to my troubles.
Try removing the pot's, taping over the holes, then pokingthe pot's back through the tape as the simplest solution...
Don't beat yourself up: we all learn from our mistakes (apparently!)... :-S
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
http://i236.photobucket.com/albums/ff212/larz55_2007/IMG_3728_zps0cvqk9v6.jpg
http://i236.photobucket.com/albums/ff212/larz55_2007/IMG_3722_zps6sm4hcz7.jpg