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Wiring problems :(


Shockwave
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Hey guys.

Bought a new Jackson RR5, Lovely to play guitar (Note not bass). However i have a problem with the wiring. It is V/V/T With a three position switch.

When i have both volumes up and switch on the bridge position, the neck pickup is still on, but at half volume. If i turn the neck volume right down, it sounds better, but still sounds as if the bridge pickup hasent got alot of bite.

I have drawn a diagram of the current wiring state.

[url="http://img2.imageshack.us/my.php?image=wiringrr5.jpg"][/url]

Any ideas? I dont know a huge amount about wiring, But if someone can draw me a correct diagram or edit the current one then brilliant :)

Also one of the wires coming from both pups include the green and the bare wire.

Rob.

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[quote name='escholl' post='476406' date='Apr 30 2009, 09:24 PM']the wiring diagram looks ok, are you sure there aren't any loose ground connections anywhere?[/quote]

There are no grounding issues or loose connections.

I have looked at other diagrams and they all seem different to this.

[url="http://www.jcfonline.com/forums/showthread.php?t=93183"]http://www.jcfonline.com/forums/showthread.php?t=93183[/url]

[url="http://www.seymourduncan.com/support/wiring-diagrams/schematics.php?schematic=2h_2v_1t_3w"]http://www.seymourduncan.com/support/wirin...tic=2h_2v_1t_3w[/url]

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The diagrams may be drawn a little different but they all represent the same circuit. Doesn't look like anything wrong with your wiring.
Are these SD pickups, 4-conductor? have you got the red and whites soldered together and taped up out of the way? 1/2 vol neck could be some inadvertant coil tap with a leakage to earth somewhere.

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[quote name='Al Heeley' post='476414' date='Apr 30 2009, 09:46 PM']The diagrams may be drawn a little different but they all represent the same circuit. Doesn't look like anything wrong with your wiring.
Are these SD pickups, 4-conductor? have you got the red and whites soldered together and taped up out of the way? 1/2 vol neck could be some inadvertant coil tap with a leakage to earth somewhere.[/quote]

They are SD pups, The red and whites are taped together and sheilded, there is no leakage to earth.

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Have you got a meter at all ? Can you check the 3-way switch is working properly ?

Operation of the switch should connect the centre connector to one or other of the two connectors only. When the centre connector is switched to the bridge pup there should be an open circuit between the centre connector and neck connector - and vice versa.

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Have a look at this diagram:
[url="http://www.stellartone.com/files/ToneStyler13r_V-PV-S.pdf"]http://www.stellartone.com/files/ToneStyler13r_V-PV-S.pdf[/url]
Note the switch wiring. Depending on the switch type, centre lug goes off to earth on the same side as the 2 hot wires connect. the hot to tone comes out the back of the switch. Maybe worth a quick check. You have to work out with a multimeter which lugs act as the common and which is for earthing. Not all 3-way toggles are the same.

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Ok from what i can tell is this.

The wires on both volume pots coming from the switch and pickup have been switched the wrong way around.

The capacitor on the tone pot is on the left prong, where it should be on the middle prong. And the jack socket wire on the tone control is on the middle prong, not on the left.

Basically it appears the tone pot has been wired to be a volume pot.

does that sound about right?

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Well i have sorted out the wiring with the correct Seymour duncan wiring.

However. I have another problem. So i sent Jackson an E-mail.

[quote]Hello.

My names Rob i am from the UK, I recently started playing guitar again. I bought a Jackson Warrior WRMG, which i was very happy with. So happy, i decided to buy Jackson again.

I picked up a Jackson RR5 from Reverb/Sound Control Bristol UK.

I got it home and realised that there was a huge wiring problem.

When i have both volumes up and switch on the bridge position, the neck pickup is still on, but at half volume. If i turn the neck volume right down, it sounds better, but still sounds as if the bridge pickup hasent got alot of bite. Anyway, I did a little investigating and realised that this was a common problem.

The tone pot appears to be wired as if the bridge volume. And the neck pickup has been wired to the bridge pot. Not only that, the tone capictor is on the wrong prong and the Switch/Pickup prongs on each volume is on the wrong way. Which causes the above problems.

Here is a homemade rough diagram of what it was like.

[url="http://img2.imageshack.us/img2/815/wiringrr5.jpg"]http://img2.imageshack.us/img2/815/wiringrr5.jpg[/url]

And a diagram that is correct.

[url="http://www.seymourduncan.com/support/wiring-diagrams/schematics.php?schematic=2h_2v_1t_3w"]http://www.seymourduncan.com/support/wirin...tic=2h_2v_1t_3w[/url]

Why is there such a large discrepency between the recommended SD pickup wiring diagram and the Jacksons (Which although makes a sound, does not sound great?)


Luckily i am a little handy with the soldering iron so i managed to sort the wiring out and now both pickups work as they should, However i still felt that the bridge pickup sounded muddy. Looked at the pickups, and for some reason i had a SD TB-4 in the bridge position. Which whilst it is a bridge pickup, they are built for wider spacing that a tremelo equipped guitar would have use for. This being a fixed bridge i was baffled, and also explains why there is a real muffled tone from the pickup. Why is there not a SH4 in the Bridge as well as the neck? I cannot use the TB-4 in anyway in the bridge position or the neck position. It is far too muffled.

Honestly for a 1400 dollar (£900+over here) Japanese built guitar, i was very dissapointed. The warrior was wired far better and i have had zero problems with the EMGs.

Is there anything you can do to help me?

Cheers. Rob.[/quote]

Waiting to hear back from them :)

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Not sure I agree with some of your statements there.

[quote]The tone pot appears to be wired as if the bridge volume.[/quote] No, according to your diagram it's taking the common feed off the 3 way switch so either pickup (or both) should feed into it.
[quote]And the neck pickup has been wired to the bridge pot[/quote]You mean the earth wire? That can go to any earth, it won't matter, though the logical thing to do is go to the earth of the pot the live goes to so the 2 wires are kept together.
[quote]the tone capictor is on the wrong prong[/quote]No, it doesn't matter, the middle prong is the sweep and either of the outer prongs could have the cap attached, then going to earth. Or the live could go to the left or right leg and the cap on the middle, it will still function, only some configs would have the tone control working in reverse. As long as the middle leg and one of the outer legs are used it will be ok.
[quote]the Switch/Pickup prongs on each volume is on the wrong way[/quote]Here's where my money is.

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[quote name='Al Heeley' post='477550' date='May 2 2009, 09:45 AM']Not sure I agree with some of your statements there.

No, according to your diagram it's taking the common feed off the 3 way switch so either pickup (or both) should feed into it.
You mean the earth wire? That can go to any earth, it won't matter, though the logical thing to do is go to the earth of the pot the live goes to so the 2 wires are kept together.
No, it doesn't matter, the middle prong is the sweep and either of the outer prongs could have the cap attached, then going to earth. Or the live could go to the left or right leg and the cap on the middle, it will still function, only some configs would have the tone control working in reverse. As long as the middle leg and one of the outer legs are used it will be ok.
Here's where my money is.[/quote]


Well i never said i was an expert :rolleyes:

Either way, The problems now fixed, i rewired it the way Seymour duncan recommend, and seems fine.

Pretty sure i just dont like the sound of these particular SD#s though :)

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[quote name='Al Heeley' post='478901' date='May 4 2009, 12:09 PM']Glad you got it fixed, you on the hunt for some new pickups now then?![/quote]

Not sure at the moment, i want to like them. I dont think they are suited for downtuned sounds though.

hmm :S

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