Tascam US 2x2 input problem

L Majes

New member
Hey it's hard to explain but here it goes.
I have an US 2x2 audio interface. It has a two combo xlr and jack inputs and mic/line instr switch.
Here is the problem, i mostly used then jack input in instr mode to play and record guitar. First the jack in input 1 started making problems even tho xlr input was fine. Ok no problem i switched to input 2. Now the input 2 gave out if i connect the jack to input 2 in instr setting the signal dies after few seconds, if i switch in to line the signal works but its noisy as hell, xlr input works just fine. I tried cleaning inputs with contact cleaner hoping its something inside that messing the contact in jack part but its didn't help. Did someone had this problem before, is it some software bugs or just the card is giving up.?
 
I tried spraying contact cleaner in all access points it not working. I can try again. I never really switched them so i don't know what can be a problem.
 
Nope still not working sometimes it plays for for a few seconds in inst setting but then it goes to feedback and the sound goes away.
 
Press gently on the jack in all directions. Sometimes the sockets are hard wired to the pcb pads, and the weight of the cable makes the joint go dry. if wiggling cuts or restores, it's a quick reflow with a soldering irion?
 
I don't think so i didn't plugged anything but passive guitars and active bass to it, and bass only to 2 input . Besides why in mic/line the sound is kinda ok and sometimes the signal works in instr input for a few seconds then goes to feedback and turn itself off.
 
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