[Torob]

Hey -- A while ago i hooked up my HTC Touch headphones and noticed the left channel has stopped working

I thought its the headphones since i've had many break before... but just recently i hooked it up to the car (usb to 2.5mm converter, then a 2.5mm converter to 3.5mm which goes into my aux jack)

And wallah, no left channel

So must be something up with the usb plug on the bottom of my touch.. but i don't know where to look
Can this be a DIY fix? What are my options here?