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Thread: Danelectro U2 - Wiring Diagram

  1. #1
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    Danelectro U2 - Wiring Diagram

    Hello. I can't find a wiring diagram for the Danelectro U2. I read that the original put the lipsticks in series rather than parallel when you had both selected. I want that one.
    Can anyone help?

    Thanks!


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    i dont know how that specific guitar was wired but it wouldnt be difficult to draw up a wiring diagram. But if that guitar has any collector value and is unmodified or you arent confident in your soldering skills you should not rewire it. Assuming it is a master tone and master volume it would go a little something like this.
    Key:
    ---- = wire
    / = variation of switch
    > or ^ = connections
    o = spacing to put bottom line in right place

    ground -> pickup 1 -> pickup 2 -> volume/tone controls -> output
    ooooooo^-----/-------^------\-----^

    when the /'s are connected it short circuits the pick up, with both connected no sound with neither connected both on. If your switch is a les paul type you are going to have to think of another way because the middle setting will short circuit both.

    edit: excuse the crude "diagram" i couldnt be bothered drawing one up properly.

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    It's not a vintage one. It's one of the late 90s reissues. I am very confident in my soldering skills.

    Then I guess I just want a picture of how to toggle into a series connection instead of the usual parallel one. I can wire up the stacked vol/tone pots like any other strat ones I suppose.

  4. #4
    Senior Member jasonguitar's Avatar
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    Quote Originally Posted by spartadrive_in View Post
    It's not a vintage one. It's one of the late 90s reissues. I am very confident in my soldering skills.

    Then I guess I just want a picture of how to toggle into a series connection instead of the usual parallel one. I can wire up the stacked vol/tone pots like any other strat ones I suppose.
    It would be helpful to those interested in this wiring that the only way this wiring works is with an on/off/on 3way switch. I can't find an actual guitar toggle that will accomplish this so I purchased an automotive type at Radio Shack which is actually closer to what the original Danos used. Just follow the duo sonic layout on the Seymour Duncan site with the on/off/on switch and you're happenin'.

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    Diagram at Danguitars.com

    If you haven't gotten things yet, it looks like you may be able to use the diagram at:

    http://www.danguitars.com/user/Lipstick_pu_wiring.JPG

    Now is there someone that has a diagram for the Danelectro Select-O-Matic?

    I am trying a re-wire with effects on a Dan-O Double Neck 6/12.

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    Supporting Member Jazz P Bass's Avatar
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    Danoletric U2 PU wiring

    That is a parallel configuration with a On/Both/On switch.
    I have just been through this on a '56 U2 reissue.
    It uses a On/None/On switch
    Parallel/Bridge/Series.
    See my post:Danolectric PU switch

  7. #7
    Senior Member jasonguitar's Avatar
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    Quote Originally Posted by gswallow View Post
    If you haven't gotten things yet, it looks like you may be able to use the diagram at:

    http://www.danguitars.com/user/Lipstick_pu_wiring.JPG

    Now is there someone that has a diagram for the Danelectro Select-O-Matic?

    I am trying a re-wire with effects on a Dan-O Double Neck 6/12.
    The problem is that the wiring diagram on that link is not authentic with both pickups in series. If you follow my instructions above you will have the correct pickup switch wiring. Don't know about the twelve string wiring. J

  8. #8
    Supporting Member Jazz P Bass's Avatar
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    Not Authentic

    Customer swears that this how the wiring is from the factory.
    Parallel/Bridge/Series.
    If it is not, I want to meet the guy who did it, cause it sounds awesome!
    I checked the wiring myself as I was drawing it. No melted wire insulation, clean solder joints, no spatter.
    Looks factory to me.
    Again, that Seymour Duncan schematic is a parallel configuration.
    Last edited by Jazz P Bass; 01-12-2010 at 06:02 AM.

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    Danelectro U2 - Wiring Diagram

    I can not tell you if the diagram on the link is true to the original U2. All I can do is verify that the diagram does match what I have in my re-issue double neck. At least from the point after the neck selector switch. Also, the Seymour-Duncan diagram uses a master volume and tone setup. The Danelectro uses two stacked pot sets giving individual volume and tone control for each pickup. Something that wouldn't be to easy in series. In my double-neck, the pickup selector is wired as in the diagram and gives me bridge/both/neck.

    As I understand it, all Danelectro's were made in Korea. I got this from Dr. Duck when I purchased strings. The word there is that the instruments came from Korea bone dry with crap strings. They were oiled and setup using Dr. Duck strings before hitting the US market.

    What I am trying to do is replace a shorted 4PDT On-Off-On neck selector switch. And, since I am doing so add a bit. I have a rotary to allow for configuring the pickups such as with the Select-O-Matic, but I can not find a neck selector switch that is On-Off-On. So I am drawing up a new schematic and looking for diagrams of the U3 and any Danelectro using the Select-O-Matic for a bit of direction.

  10. #10
    Senior Member jasonguitar's Avatar
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    Quote Originally Posted by Jazz P Bass View Post
    Customer swears that this how the wiring is from the factory.
    Parallel/Bridge/Series.
    If it is not, I want to meet the guy who did it, cause it sounds awesome!
    I checked the wiring myself as I was drawing it. No melted wire insultion, clean solder joints, no spatter.
    Looks factory to me.
    Again, that Seymour Duncan schematic is a parallel configuration.
    This seymour duncan dou sonic schematic:
    Wiring Diagram
    Is not parallel! Look at how the switch is wired!

    The danguitars schematic, which btw is also a seymour duncan schematic which originated here:
    Wiring Diagram
    is parallel wiring virtually identical to Les Paul wiring. Look at how the switch is wired! Compare it to a Les Paul diagram. Not Series!


    I have an original 59 DC that originally had a single neck pickup and I carefully added a bridge pickup and was at a loss to figure out the series wiring until I came to the revelation about the on/off/on switch and since I prefer a single vol and tone, the duo sonic is the perfect model for me. The series wiring rocks! If your middle position is not louder than your bridge or neck positions you have parallel wiring, not series. J

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    Senior Member jasonguitar's Avatar
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    Quote Originally Posted by gswallow View Post
    I can not tell you if the diagram on the link is true to the original U2. All I can do is verify that the diagram does match what I have in my re-issue double neck. At least from the point after the neck selector switch. Also, the Seymour-Duncan diagram uses a master volume and tone setup. The Danelectro uses two stacked pot sets giving individual volume and tone control for each pickup. Something that wouldn't be to easy in series. In my double-neck, the pickup selector is wired as in the diagram and gives me bridge/both/neck.

    As I understand it, all Danelectro's were made in Korea. I got this from Dr. Duck when I purchased strings. The word there is that the instruments came from Korea bone dry with crap strings. They were oiled and setup using Dr. Duck strings before hitting the US market.

    What I am trying to do is replace a shorted 4PDT On-Off-On neck selector switch. And, since I am doing so add a bit. I have a rotary to allow for configuring the pickups such as with the Select-O-Matic, but I can not find a neck selector switch that is On-Off-On. So I am drawing up a new schematic and looking for diagrams of the U3 and any Danelectro using the Select-O-Matic for a bit of direction.
    You won't find an actual guitar toggle that will accomplish this but there is an automotive type at Radio Shack which is actually closer to what the original Danos used. J

  12. #12
    Supporting Member Jazz P Bass's Avatar
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    Danolectric 56 U2

    I agree with both schematics.
    Parallel & Series.
    The drawing that I made is pretty slick, wherever it originated.
    Parallel, Bridge, Series.
    I thought it was slick, anyway.
    Customer swears this is they way it came from Korea.
    I am working with Danolectric as we type.
    At this point , they are clueless.
    Sure would like to know where this On/None/On switch came from.
    Looks just like a boxy Mighty Mite MM500 which is On/Both/On.
    White knob cap and all.
    I contacted Mighty Mite, so far heard I have heard nothing back.
    I am thinking of drilling & tapping the broken stalk and putting a hex head set screw in it. Might have to retap the knob.
    I will post back if Dano acknowledges the design and possibly comes up with the proper switch.

  13. #13
    Senior Member jasonguitar's Avatar
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    Quote Originally Posted by Jazz P Bass View Post
    I agree with both schematics.
    Parallel & Series.
    The drawing that I made is pretty slick, wherever it originated.
    Parallel, Bridge, Series.
    I thought it was slick, anyway.
    Customer swears this is they way it came from Korea.
    I am working with Danolectric as we type.
    At this point , they are clueless.
    Sure would like to know where this On/None/On switch came from.
    Looks just like a boxy Mighty Mite MM500 which is On/Both/On.
    White knob cap and all.
    I contacted Mighty Mite, so far heard I have heard nothing back.
    I am thinking of drilling & tapping the broken stalk and putting a hex head set screw in it. Might have to retap the knob.
    I will post back if Dano acknowledges the design and possibly comes up with the proper switch.
    Yeah I just checked out your diagram on the other thread. Very cool. I'll have to give that a listen! J

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    Danelectro U2 - Wiring Diagram

    spartadrive_in:
    Another Source for diagrams might be this book, "Neptune Bound: The Ultimate Danelectro Guitar Guide." Amazon has it for lowest price. It has schematics, but I can not say if they are they ones needed. I am about to pick up a copy myself.


    jasonguitar:
    Thanks, I've been trying to find that Dou Sonic diagram. I was getting a 404 error on the S-D web site. And, you're right about not finding a guitar switch to do this. Seems I used to have On/Off/On toggles when I fixed things in the Navy and didn't think it would be so difficult to find. Attached are my original schematic (4P3T) and another I drew up (DPDT) after I came to realize the guitar switch I needed just wasn't available. Would appreciate your opinion.

    Attachment 7585

    Attachment 7586

    Maybe the wrong thread, but I don't want to loose someone that knows the Dan-O. I'm getting tired of keeping 18 hot strings in tune, even my BOSS gets confused, and using a rag to mute the unused neck.

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    The original Danos and the original reissues all had on/off/on toggles with concentric vol/tone pots for each pickup. Switching configuration was neck/seriesboth/bridge. All the classic 2 pickup danos had the pickups in series. Some of the later 60's might have had different schemes. Some of the reissues that aren't based on old models(like the Hodad) will have different schemes.

    It isn't hard to do an individual vol/tone for each pickup in series. You just have to wire it differently than usual.

  16. #16
    Senior Member jasonguitar's Avatar
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    Quote Originally Posted by gswallow View Post
    spartadrive_in:
    Another Source for diagrams might be this book, "Neptune Bound: The Ultimate Danelectro Guitar Guide." Amazon has it for lowest price. It has schematics, but I can not say if they are they ones needed. I am about to pick up a copy myself.


    jasonguitar:
    Thanks, I've been trying to find that Dou Sonic diagram. I was getting a 404 error on the S-D web site. And, you're right about not finding a guitar switch to do this. Seems I used to have On/Off/On toggles when I fixed things in the Navy and didn't think it would be so difficult to find. Attached are my original schematic (4P3T) and another I drew up (DPDT) after I came to realize the guitar switch I needed just wasn't available. Would appreciate your opinion.

    Attachment 7585

    Attachment 7586

    Maybe the wrong thread, but I don't want to loose someone that knows the Dan-O. I'm getting tired of keeping 18 hot strings in tune, even my BOSS gets confused, and using a rag to mute the unused neck.
    Your links aren't working.

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    Danelectro U2 - Wiring Diagram

    I never got into the insides of a Dan-O; back-in-the-day. I probably would not have gotten into my Double Neck either, if it weren't for a short across the neck selector toggle. From what I can see, this re-issue is in parallel. From the neck selector toggle, through the vol/tone pots, and to the toggle just before the output jack it is two separate circuits with all grounds going to a common. The pickup hot wires are all that is going to the pickup selector switch just before the jack. If the toggle is On/None/On or On/On/On I can not say. What I know to be true is that I get Neck/Both/Bridge. I get no greater volume in Both position so must be parallel. I can see no way this instrument could have the the pickups in series. Following the cercuit shows that this instrument is wired as jasonguitar showed with the Seymour-Duncan diagram.

    There's my rub. Since spartadrive_in's U2 is a re-issue from the 90's, chances are that his is wired as/similar to my double neck and not as the original Dan-O's either. The sound of the original Dan-O is what I am trying for and why I am looking for diagrams. I imagine this is the same for spartadrive_in. Re-issues are not destined for some collectors trophy shelf and are good for such mods.

    I have an idea how I might go about changing my harness design to get that original Dan-O sound, but I need diagrams/schematics for a U3 and an original Double Neck. Impossible to find I am sure, but is there someone in this thread that has or knows someone who has the "Neptune Bound: ..." book and can tell me if the the U3 or the Double Neck schematics are in the book? I am not asking for copies. I just have limited funds due to economy and, though I want the book, the schematics would fulfill a need to help me repair the instrument I have and justify the expense.
    Last edited by gswallow; 01-13-2010 at 05:25 AM. Reason: Spelling

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    Diagrams

    jasonguitar:

    Here's another try with the schemtics. They are under the size limitation PDF files. Not sure what the problem is. I could send them up to my site or direct.

    Danelectro4P3T.pdf

    DanelectroDPDT.pdf

    Tested with preview and they seem to be working this time. Disregard the addition of the acoustic/piezo pickups.

    Note to all: These are not examples of Danelectro original schematics. They are my own designs of what I had intended to do with my Re-Issue Double Neck.
    Last edited by gswallow; 01-13-2010 at 04:13 PM. Reason: Note:

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    Iīve recently instaled a danelectro select-o-matic switch on my 90īs reissue U2, so now i have neck/neck+bridge paralel/bridge/neck+bridge series/ neck+bridge paralel out of phase/neck+bridge series out of phase. No matter how hard I tried, i ended up with only one volume and one tone pots. Does anybody know how to maintain the two volume and two tone controls? Based on all the research iīve made, it seems impossible to have a rotary switch with two volume and two tone pots...

    Because there isnīt any information on the Select-o-matic 6-way 4-pole switch, hereīs how it works:


    Pole 1 -- C 1 2 3 4 5 6

    Pole 2 -- 1 2 3 4 5 6 C

    Pole 3 -- C 1 2 3 4 5 6

    Pole 4 -- 1 2 3 4 5 6 C

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    Two Tone/Vol controls with Rotary

    Ran into the same issue with my Double Neck 12/6. The only way I can see two Tone/Vol would be to have them wired prior to the rotary and insert the rotary before the twin Tone/vol come together. Maybe, by using the DC-59 diagram, replace the 3-way switch with the rotary.

    Yeah, right... I ended up accepting a single Tone/vol stack control at the end. Note that my biggest problem has been isolating the pickups on a double neck in neck pairs. Then going to the rotary for selection and phasing of the isolated neck/pair. Similar to what you have come up with for a single neck instrument. I also am adding a set of piezo pickups in series under each bridge and run the set as a single pickup in parallel with the lipstick pickups.

    If only I could find the schematic diagram for a Danelectro (56-U3) with the Select-O-Matic and blow switch detail in it.

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    Quote Originally Posted by mufanito View Post
    Iīve recently instaled a danelectro select-o-matic switch on my 90īs reissue U2, so now i have neck/neck+bridge paralel/bridge/neck+bridge series/ neck+bridge paralel out of phase/neck+bridge series out of phase. No matter how hard I tried, i ended up with only one volume and one tone pots. Does anybody know how to maintain the two volume and two tone controls? Based on all the research iīve made, it seems impossible to have a rotary switch with two volume and two tone pots...

    Because there isnīt any information on the Select-o-matic 6-way 4-pole switch, hereīs how it works:


    Pole 1 -- C 1 2 3 4 5 6

    Pole 2 -- 1 2 3 4 5 6 C

    Pole 3 -- C 1 2 3 4 5 6

    Pole 4 -- 1 2 3 4 5 6 C
    Quote Originally Posted by mufanito View Post
    Iīve recently instaled a danelectro select-o-matic switch on my 90īs reissue U2, so now i have neck/neck+bridge paralel/bridge/neck+bridge series/ neck+bridge paralel out of phase/neck+bridge series out of phase. No matter how hard I tried, i ended up with only one volume and one tone pots. Does anybody know how to maintain the two volume and two tone controls? Based on all the research iīve made, it seems impossible to have a rotary switch with two volume and two tone pots...

    Because there isnīt any information on the Select-o-matic 6-way 4-pole switch, hereīs how it works:


    Pole 1 -- C 1 2 3 4 5 6

    Pole 2 -- 1 2 3 4 5 6 C

    Pole 3 -- C 1 2 3 4 5 6

    Pole 4 -- 1 2 3 4 5 6 C

    In my own efforts to figure out the U3/Select-O-Matic wiring I got something that may help you. Take not that once you go series on the rotary, you'll have one out put. I believe the original wiring of the Select-O-Matic used parallel and only put the lipsticks in series when using the blow (bypass) switch. The U3 also had only one out put to a single tone/volume pot, so that wiring would do you little good.

    For what I am doing, adding a third pickup on each neck of a double neck Dan-O, I had designed a rotary (4pole 6 Position Non Select-O-Matic) switch circuit to mix/phase the two lipsticks on a selected neck (see my previous post), but because of phasing and series options, it only has one out from the rotary. Some of my mixing will render an unusable combination and I have been unable to find a neck selecting toggle that does what I need it to do. So I am trying for some form of U3 functionality.

    In trying to with the parts that I have gathered already I have come up with wiring the rotary in reverse (so to speak). I looked into how the Select-O-Matic combines the lipsticks on a U3, or tried to find such a diagram anyway. With an actual Select-O-Matic this may be a little tricky, but from pole to pole connection should be the same (hoping). Rather

    Using the primary 4 poles for input limits the switch to two pickups for any one combination. The U3 has three lipsticks, but never uses more than two at a time. In my case the primary four pole will be my out put. I will use the four poles of each of the six positions for my input.

    From what I can find the Select-O-Matic made the following in each position: 1) neck & bridge, 2) neck, 3) neck & middle, 4) middle, 5) middle & bridge, 6) bridge. I am adding a Piezo sensor under each bridge as my third/bridge pickup. I am thinking a scheme such as the one below should do this:

    1 2 3 4 5 6

    1 neck+ neck+ neck+ middle+ middle+ --
    2 neck- neck- neck- middle- middle- --
    3 bridge+ -- midde+ -- bridge+ bridge+
    4 bridge- -- middle- -- bridge- bridge-

    All selections I have here are in parallel. For me this will work since I am limited some by having to also select which set/neck of pickups I am mixing. However you could use the first set of three to select parallel pairs and the second set for phase shifting and series pairs. Something like this:


    1 2 3 4 5 6

    1 neck+ neck+ -- neck+ neck+ neck-
    2 neck- neck- -- neck- neck- neck+
    3 -- bridge+ bridge+ bridge+ bridge- bridge+
    4 -- bridge- bridge- -- bridge+ bridge-

    Well, something like this anyway. In any case, once you go series, you will only have one output. If you want to use your two vol/tone pots then you have to have them in your circuit before the Select-O-Matic, but then you'd have to mod that to allow for two outs to go to the rotary. As I remember Dan-O two vol/tone pots let for only one out put from the two sets. Hmm, Lomd of a catch-22 I suppose.

    I am certainly not an expert, but I hope this helps.

    God Bless,

    gswallow <><

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