http://www.mp3load.ws/mp3-amplifier-circuits/
Guitar amplifier is not playing any sound?
I own a Behringer V-Tone GMX-212 and the main guitar input jack snapped off just like other people who bought this amp. I didn’t want to wait 3 week and pay $120 for shipping this amp so…
I tried desoldering the “remote” input jack and soldering it onto the main input circuit board and when I plug my guitar in it lets me go to the tuner and it all works but no sound comes out of the speakers.
I know the speakers are fine becuase I plugged in my mp3 player in the audio in as well as my guitar in the aux and change the volume of it by the Master Volume.
I could order an insulated input jack but is there anything else I could do?
Well, one thing you might try is getting an “inline” connector, cutting the cable to it, and soldering the cable onto the board. Once you do that, instead of a jack on the amp, you’ll have a wire hanging out with the jack on the end of THAT – ugly, but it is an alternative. Hell, if you’re smart enough to desolder and resolder a jack to a circuit board, you’ve already thought of that I bet. Have you resoldered the input jack back to where it was, and does it now work in the old location? If not, maybe solder flowed up into it and shorted something out when you soldered it into the new location, so if it also so longer works as the remote input then you’ll know it too is a bad jack (you’ll need TWO cords in that case).
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