OT re: H120 no power.
There are supposed to be some SMD caps 6.3v 100uF that can blow, and replacing them can get them running again. And, there can be a blown LNTP and or LTXQ (more often the later) that can be replaced. There is a bit of info on this at
http://www.misticriver.net/showthrea...t=44799&page=4
Now, back to iMod cables...