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Post subject: Fender Jaguar HH Special
Posted: Wed Oct 17, 2012 5:22 pm
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I have Fender Jaguar HH Special which I bought in 2008 new.

Recently it started to give 'hum' should when connected to amp, the hum is too loud, and it stops when I touch the strings, or any other metal part. It also reduce if I set volume down from the volume control. Its not silent at all, its loud hum.

I have changed the cables, tried on different 3 amps, I do need to change the strings.

I checked on web and found it could be a ground issue. I have no idea about opening this baby and checking out the circuit.

Is there anybody who knows about this guitar, and what I should be looking at? Any advice would be helpful.


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Post subject: Re: Fender Jaguar HH Special
Posted: Thu Oct 18, 2012 4:42 pm
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Could be anything from a cold solder joint to a loose wire, to shielding working loose, the ground wire to the bridge not making good contact, a bad potentiometer or capacitor, or other problems. You need some basic electrical tools to begin troubleshooting and have reasonably good soldering skills. You might consider taking it to a repair shop.

nishjain wrote:
I have Fender Jaguar HH Special which I bought in 2008 new.

Recently it started to give 'hum' should when connected to amp, the hum is too loud, and it stops when I touch the strings, or any other metal part. It also reduce if I set volume down from the volume control. Its not silent at all, its loud hum.

I have changed the cables, tried on different 3 amps, I do need to change the strings.

I checked on web and found it could be a ground issue. I have no idea about opening this baby and checking out the circuit.

Is there anybody who knows about this guitar, and what I should be looking at? Any advice would be helpful.


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Post subject: Re: Fender Jaguar HH Special
Posted: Thu Oct 18, 2012 4:51 pm
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Thank you so much for your reply. I thought about taking it to a tech, but wanted to check if its going to be an easy fix and can save hundreds.

I am just scared to open it up, may be I will mess up few things. Though I am tempted to open it up :)

Thanks again for your valuable inputs. I have been reading about it, though didnt get the right circuit information for this one.

This is the one I have -
http://www.fender.com/products/special- ... -jaguar-hh


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Post subject: Re: Fender Jaguar HH Special
Posted: Thu Oct 18, 2012 6:56 pm
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Is there any way I can get the circuit diagram for this? That will help in finding where to look for the loose connection.


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Post subject: Re: Fender Jaguar HH Special
Posted: Thu Oct 18, 2012 8:56 pm
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So I opened it up, and checked the wiring. I didnt find any problems, wires are intact, and performed continuity check on all the wires.

I have no idea where else can be ground connected, and I dont see any other wire going. :(

Anybody can help with the circuit diagram? or I should just take it to the tech.


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Post subject: Re: Fender Jaguar HH Special
Posted: Fri Oct 19, 2012 5:38 am
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I have the exact same thing, and as far as i can tell the only way to stop it is to touch the chrome plates with one hand and a metal part of the amp with the other. For my playing style it's never been an issue but i suppose somebody could rig up a ground wire and tape it to the lead, then connect it to a chrome plate and the amp, never tried it but i'm pretty sure it would work.

Otherwise i don't know, i think it's just the way it is.

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Post subject: Re: Fender Jaguar HH Special
Posted: Fri Oct 19, 2012 11:44 am
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Thanks for your inputs.

I am having this guitar for little more than 3 years and I never faced this problem. I am pretty sure this is a grounding issue, whenever I touch any metal part of guitar, the humm stops. I opened it up, checked but didnt find anything on visible inspection. Did the continuity check on multimeter. It could be a cold socket, or something else.

I read on the net, and people suggest to rewire everything again because of poor quality of wires, somebody even mentioned that one part is not grounded (dont know which one). Its just confusing for me because I dont have the correct wire diagram to confirm it.


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Post subject: Re: Fender Jaguar HH Special
Posted: Fri Oct 19, 2012 9:06 pm
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Just picked this one up tonight on a craigs list find

ser # T07 1994 to 95 ????

Image
Cool Case !

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Post subject: Re: Fender Jaguar HH Special
Posted: Fri Oct 19, 2012 9:22 pm
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It is actually a cool case! Amazing! How are the interiors? I bought fender jazzmaster case for my Jag.

My Jaguar serial number is T049875.

Anyways I couldnt find anything wrong in the circuit, so took it to the guitarcenter today. It should be back tomorrow. He said he will verify the circuits again and check if something needs fixup again.

I will let you guys knonw how it goes.


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Post subject: Re: Fender Jaguar HH Special
Posted: Sun Oct 21, 2012 12:33 pm
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This one buzzes too
same deal cover the bridge with your hand and it goes away.

The case is fairly well built, not as tight as a Fender branded case
Very cool looking !

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Post subject: Re: Fender Jaguar HH Special
Posted: Sun Oct 21, 2012 6:23 pm
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nishjain wrote:
Is there any way I can get the circuit diagram for this? That will help in finding where to look for the loose connection.


Shoot an email off to consumerrelations@fender.com with the model and serial number and they should reply with a PDF of the schematic in a couple of days. I asked them for one for my Classic Player and they sent it back fairly quickly. Parts list was also included.

I would expect that the shielding behind the metal parts are just not grounded as well as those made here and in Mexico.

Art


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Post subject: Re: Fender Jaguar HH Special
Posted: Sun Oct 21, 2012 6:54 pm
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Thanks Art!

I already got the semantics diagram from fender. When I checked it I couldn't find any issues in wiring, everything looks connected as per the diagram.

I got my guitar back from guitarcenter today, and its improved, though its still not silent. I must say its much better than before. I do feel the same issue still exists.

When I read on the internet, I found that we need to replace wiring (with good quality).

Its just annoying now. May be I am more focused there as of now :)

I think going to guitar center was a complete waste of time, though I appreciate the tech's there. They helped! They tuned it up and everything, tone is much better. But the ground noise still exists. Guitarcenter techs are really very busy.

I have no idea what to do now. This one is made in Japan. My best bet was to take it to the Tech, though its still not fixed there. How can I check the shielding behind the metal parts if its grounded or not. Is there any pics available?

Thanks


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Post subject: Re: Fender Jaguar HH Special
Posted: Sun Oct 21, 2012 7:05 pm
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There will be wires screwed or soldered to the metal plates if they are grounded. Also, foil shielding behind the pickguard (grounded) helps as does shielding in the pickup cavities.

I would expect to have issues with the Blacktop, not the Special.

I have found, in most cases, that it is a lack of shielding. Typical materials are Aluminum, Copper foil, or paint. Google "Pickguard Shielding" and you will find just how common this is and methods of shielding and grounding.

Art


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Post subject: Re: Fender Jaguar HH Special
Posted: Tue Oct 23, 2012 6:12 am
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I removed the control piece that holds the output jack last night, I was suprised to find only a single wire to the jack.
Seems as if they are counting on that chrome plated piece to grond the jack ???
I'm wondering if a wire grounded to the pots would help our noise issue ???? or will there be a ground loop problem ?

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Post subject: Re: Fender Jaguar HH Special
Posted: Tue Oct 23, 2012 10:05 am
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No, you don't ground the pots. But there should be a "hot" wire going to the "tip" connection of the jack and a ground to the "ring" or shield.

Art


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