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Post subject: replacing fender stratocaster potentiometer
Posted: Thu May 31, 2012 11:18 am
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Aspiring Musician
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due to some handling accident, the volume knob & neck tone control potentiometers on my
Fender Traditional Fat Strat (P/N 013-3700) was broken, i ordered the fender replacement 250K split shaft potentiometer (P/N 0990830000) and it arrived today. I then started to replace the potentiometer. After completed repair, i found out that the volume knob & tone knob unable to sit closely on the pickguard. I suspect it is the height of replacement potentiometer nut but i am not sure. I also found out that the volume cannot be totally turned off, when the volume knob is off, there is still sound when played in off position.
(1)Did i get the correct replacement part or at least a suitable replacement part?
(2)What caused the knob to be unable to sit closely on the pickguard? from what i see, it is the nut height being too high, but i am not sure.
(3)For the volume knob still have sound when in off position, i think i will get a guitar technician to check it out. What help i need here is, does anyone face this issue before?
Thank you :)


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Thu May 31, 2012 11:38 am
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hi , pics would help for the placement issue as for the sound still being present when turned right down , you havent soldered the end lug to the pot body . click on support at the top of the page and then sevice diagrams and you will find a load of strat wiring diagrams , HTH , cheers
Alan

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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Thu May 31, 2012 11:45 am
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thanks, it was real difficult to solder on the pot body compared to solder on the terminal which is much more easy. i see that the original solder work on the stocked pot body is really good, what am i missing out on my soldering on the pot body?


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Thu May 31, 2012 11:56 am
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i do not know how to post pictures but i will try to do so, it is now 3am here, have to offline first, thanks for your help, good night :)


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Thu May 31, 2012 2:48 pm
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Aspiring Musician
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the potentiometer core is also longer than the stocked one, is this is the reason for the high up, nothing i can do about it. if it is because of the nut height, i also not sure if i can find a replacement. the stocked pot happened to be 500K, i do not know if can interchange between solid shaft and split shaft. for the soldering, i think i going to let a guitar technician check it, i find it so difficult to solder on the pot body, it is no problem for the terminal though


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Thu May 31, 2012 3:53 pm
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add another nut to the pot shaft to act as a "jam"nut to be able to adjust it to the proper higth , the top nut should be flush with the top of the pot's threads outside the pick guard. scratch the body of the pot where you want to solder to. the bodies have to have the surace "cleaned" before soldering to them. gently scratching them is the best way. put a little solder on the spot and then solder the wire to that spot. 25 and 30 watt solder irons usually do the trick and a 60/40 rosen core solder. don't be afraid to bend the lug of the pot to the pot's body and solder it. the fender web site has the wiring diagram for that guitar.you can't interchange between solid and split shaft because the fender knobs won't stay on a solid shaft type you would have to get a knob with a set screw. good luck.


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Thu May 31, 2012 5:08 pm
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Aspiring Musician
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thank you


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Fri Jun 01, 2012 6:13 am
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Aspiring Musician
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the volume knob is now functioning like a tone knob,i cannot play volume swell with it, i bought some solder flux, a new pen knife & a new solder iron that can goes up to 130w, i did scratch the pot body but only with test pen, so i replaced this time with pen knife, the solder flux really helps a lot, but the volume knob is not ok. there are still 2 pcs of new capacitors left unused in the packing, i not sure if it is because i did not use them, i think i will just let the guitar technician do the job.


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Fri Jun 01, 2012 12:40 pm
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Roadie
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first thing is don't run that solder iron past 30 watts. that's all you will need.go on the fender site and check the wire schematics for YOUR guitar.on most guitars you have to use only one cap that ties the two tone pots together. you may have tied your volume to them as well. the volume gets no cap (unless you add a treble bleed cap). looking at your volume pot lugs and bottom of pot facing you and lugs in a south or facing you possition. (left to right)lug 1 to switch;the one that has the crossover wire between them, lug 2 to white wire from plug jack, lug 3 to pot body. please take your time and study the strat layout on this site.(edited)i checked out the deluxe fat strat on this site and you have the super switch apparently. pay attention and trace every wire that you changed. and i also see you have two caps one for each pot. lower pot controls the h.b. thats why you have a .022uf cap on that and a .05uf for your single coils, makes sence.but i can see why you are getting confused. probably the same reason i only have regular strats. that switch can get crazy.


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Fri Jun 01, 2012 11:13 pm
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last night i checked out the schematic diagram from Fender.com, my Traditional Fat Strat not in the list, i looked at the Standard Strat HSS but it is totally different. the volume knob is now sounding like a tone knob, playing wise still can play everything except volume swell. I took photos of the stocked pot before replacing them, i think the wiring i made was the same as the old one, the new pot is different from my stocked pot, maybe need to modify the wiring, i do not know how to modify, need to send to a guitar technician.


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Sat Jun 02, 2012 6:35 am
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Roadie
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Joined: Sat Mar 21, 2009 8:02 am
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my friend, you may be right. i didn't see a schematic for a traditional fat strat either. any time i replace my pots i get the cts 250k audio taper. there is no difference in a volume or tone pot. they are the same. the only difference is how they are wired. ohm ratings don't matter except for frequencies filtered by the pot's resistance. if you can't figure out the problem the guitar tech can.


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Sat Jun 02, 2012 8:32 am
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yeah, i plan to send the guitar to a guitar technician. thank you for your help, cheers :)


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Sun Jun 17, 2012 12:39 pm
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http://www.ehow.com/how_5869948_connect-potentiometer.html

i had just found out that one step i missed, bending the 3rd terminal of the volume knob potentiometer towards the body and solder.
i had happy i finally repaired my guitar


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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Sun Jun 17, 2012 1:00 pm
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thats what i said :lol: , cheers
Alan

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Post subject: Re: replacing fender stratocaster potentiometer
Posted: Sun Jun 17, 2012 3:16 pm
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Aspiring Musician
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yeah, it was the first time i deal with potentiometers, i did not know what is end lug, i mistaken it means one of the wire, haha :)


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