J-tag..... quick jtag help

[smalley]

I have a Xbox I’m trying to jtag with Ltp but can’t detect flash control .I’m thinking the trace have gone somehow but iv tested on old mb with very quick soldering which look very shabby and that went ok . The Xbox I question I resoled twice both sides of the board is there any other possibility I can check b4 righting it off as bad trace thax