My headphone jack on my Sawtooth is starting to go out, literally. When I first bought this G4, the jack was a little wobbly. But now it takes percise placement when plugging in my speakers. If the speaker plug does not go into the jack the right way it won't give any signal. It feels like the headphone jack is on it's last string before it breaks off. So question is, can I fix this by using solder? I'm not a very good solderer considering I use an old 1980's soldering kit. Or is there a USB to analog sound output adapter thingy that I could use? Or any suggestions would be great.