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Broken Input Jack

C

Crazyfist

Guest
Sep 26, 2011
84
3
#1
The problem just suddenly happened a few days ago without warning! :spit:
Whenever I plug my bass into an amp, there is no output, or at least there is the teeniest tiniest amount when I turn everything on my amp all the way up!
I've checked if it's either the amp, the battery or the lead by plugging into different things and I'm pretty sure it's the bass that's the problem.

I've opened it up to have a look, but it doesn't look like there's anything wrong with it... Then again, I'm a bit of a noob at the moment with this sort of stuff.

I can't upload pictures at this time, but any thoughts on what the problem might be would be greatly appreciated.

It's a green Yamaha RBX765A if that helps at all. I think it's an enclosed jack,

Thanks for reading,
Crazyfist
 
#4
The "licking test" is not enough. Even a battery with much less than 9 volts will still give you a jolt on your tongue, but NOT have enough voltage to power your pickups. You should definitely try a new battery. That could very well solve the problem. And don't get a cheap battery, either.
 
#5
licking test, I like that :D

Yes, licking test isn't accurate and a new battery would eliminate all the doubts (Those are not active pups, btw).

Yeah, no surprise if the jack was broken, those things are crap.

Just these last few weeks I had three customers coming in with the same problem. I modified the instruments with traditional switchcraft jack and football plate…

M
 
#6
BTW, it's an OUTput jack, not an input. The terminology is important because it helps you understand troubleshooting. The signal goes OUT of the bass.

First thing to check on an active instrument is the battery. As suggested above, go out and buy a new, good alkaline battery and install it.

Also check the jack with a plug in it. Look closely to make sure there is good contact at each point.

John
 
#9
Ahhh... Thanks for the corrections on terminology as well, I'm not very good with this area of bass at the moment :)

Well, I tried a new battery and it hasn't worked. What could it be now? I'm presuming it is a barrel jack, are they the same thing as an enclosed jack?

Crazyfist
 
#12
yes.

guitar-output-plate-jack-01.jpg
 
#16
barrel jack $10-$12 (+ event ship.)
Switchcraft jack and plate ~12 (+ even ship.)

Installing the switchcraft jack implies enlarging the mounting whole, not at all of a problem.

Average costs:

Barrel ~$40
SC ~$55


M
 

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