Thanks but be more impressed that I resurrected a good old CD player for ~$16USD. Desoldering the anti-static shunt was a breeze.
So what bit of soldering are you alluding to here?
Are you referring to the wire connection between the WBO2 unit (brown wire of the Innovate LC-2) to the HFS-4's blue wire in the green harness? I think this is just a direct connection here unless you are suggesting something more..??