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-   -   Cable Sending a Really Weak Signal (http://www.ultimate-guitar.com/forum/showthread.php?t=1563370)

Tmusician 09-17-2012 10:37 AM

Cable Sending a Really Weak Signal
 
I make my own cables and one of my cables is giving me trouble. It is sending a really weak signal and I don't know how to fix it. Is it something involving a poorly soldered ground connection? Ring connection? Tip connection? What?

seljer 09-17-2012 11:01 AM

Test it with a multimeter, measuring resistance

from tip to tip
from sleeve to sleeve
from tip to sleeve at either end

the first two should be 0 ohms (practically, depends on how good the multimeter is at measuring low resistances)
the last one should be inifity ohms at either end

In any case, the solution is to resolder the jack(s). Sometimes it's just shorted out accidentally, sometimes the soldering wasn't good and it got loose, sometimes the cable itself is acting strange near the joint and you have to cut off a couple of inches and resolder it.

Tmusician 09-17-2012 11:25 AM

Quote:
Originally Posted by seljer
Test it with a multimeter, measuring resistance

from tip to tip
from sleeve to sleeve
from tip to sleeve at either end

the first two should be 0 ohms (practically, depends on how good the multimeter is at measuring low resistances)
the last one should be inifity ohms at either end

In any case, the solution is to resolder the jack(s). Sometimes it's just shorted out accidentally, sometimes the soldering wasn't good and it got loose, sometimes the cable itself is acting strange near the joint and you have to cut off a couple of inches and resolder it.


Thank you seljer, I cut off a couple of inches and resoldered it, and it works now. By the way, what determines whether or not the final cable thing actually screws on all the way. (I hope you know what I'm talking about, you know how when you're done you slide on the Neutrik silver cover and bring the black screw thing up and screw them together. Sometimes it screws all the way with relative ease, sometimes it won't screw all the way no matter how much power I put into it.


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