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Post subject: Pbass Electronics crackling
Posted: Thu Apr 08, 2010 8:57 am
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I have a MIM Pbass and everytime I move while playing some sort of crackling occurs. There is also a slight buzz unless I touch something metal on the bass. I know the buzz is probably just because there isnt any shielding, but what could be causing the crackling? and feedback is greatly appreciated!


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Post subject: Ground
Posted: Thu Apr 08, 2010 7:30 pm
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It is most likely a gound problem, either with the bass or with the outlet. If it's the bass then what you've got to do is we solder something in it. If it's the outlet, then you can try a converter if it's a 3 hole.


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Post subject:
Posted: Fri Apr 09, 2010 6:48 am
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Its definately the bass. By solder something in it, do you mean just some random wire soldered anywhere? Or something specific?


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Post subject:
Posted: Fri Apr 09, 2010 7:18 am
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Check the connections of both wires going to and from your output jack at both their ends. Also, verify that there are no errant hot wires too close to the shielding foil on your pickguard. Lastly, the black wire coming from your output jack: Make sure that wire is firmly solder across both your pots and that the connections from your pickup to the volume control are firm as well.

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You dig?


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Post subject: Yup.
Posted: Fri Apr 09, 2010 10:58 am
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Martian wrote:
Check the connections of both wires going to and from your output jack at both their ends. Also, verify that there are no errant hot wires too close to the shielding foil on your pickguard. Lastly, the black wire coming from your output jack: Make sure that wire is firmly solder across both your pots and that the connections from your pickup to the volume control are firm as well.


Exactly!


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Post subject:
Posted: Sun Apr 11, 2010 10:43 am
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Also check to make sure the wire that is grounding your bridge is soldered to the back of one of the pots. If you can lessen the noise by touching metal, that is usually an indication of an incomplete ground circuit.


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Post subject:
Posted: Sun Apr 11, 2010 11:50 am
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alright, Ill start with resoldering the grounding wire. Thanks for the help everyone!


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Post subject:
Posted: Mon May 17, 2010 5:28 am
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Replace the Output Jack with a good Switchcraft Jack. Asian Jacks are their week point as they do not exibit the needed spring tension to sufficiently maintain a good connection with the instrument cable plug.
They are inexpensive to replace if you can solder.


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Post subject:
Posted: Mon May 24, 2010 1:02 pm
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Bubbalou wrote:
Replace the Output Jack with a good Switchcraft Jack. Asian Jacks are their week point as they do not exibit the needed spring tension to sufficiently maintain a good connection with the instrument cable plug.
They are inexpensive to replace if you can solder.


True! Original MIM Standard P-Bass jack is Fender part number 0047329000. Replacing that with the USA made Switchcraft Fender part number 0021956000 would be a good idea.

For SOLDERING TIPS, visit this page of my bass website: http://brotherdave.com/add_maint.htm
Scroll down to the next to the last section on the page and you'll find links to several good soldering tutorials.

De-soldering an old jack and soldering in a new jack is a good first soldering project. The money you save on labor from this one 10 minute project will more than pay for the soldering iron and solder. BUT read the cautions below FIRST.

CAUTIONS:
1. Like any skill you need to practice soldering to learn it. Start out on some old junky wire and coat-hangers or on hopelessly broken gear before going to work on your precious instrument.
2. For a jack replacement on the most common P-basses with the jack mounted to the pickguard, eliminate the possibility of pickguard damage by first removing the old jack physically from the pickguard before de-soldering and then solder the new jack's connections before mounting the new jack onto the pickguard. I would not apply heat to a jack mounted on a pickguard. Only when soldering is complete would I physically fasten the new jack back to the pickguard.
3. Anytime you are soldering inside or around an instrument itself, protect any exposed surfaces of the instrument with old towels. The barrel of a soldering iron gets hot enough to damage the finish if you touch it for just a split second. ALSO hot solder can drop off the iron or fly from de-soldered components as you remove them such as wire when you least expect it! So watch the angles and use towels to protect your finish from solder spatter and WEAR EYE PROTECTION.

Also I prefer to use silver solder, or rosin core if I can't find silver solder. DO NOT USE ACID CORE solder which is intended for pipes, not electronics.


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