I don't believe that a previous charge lingering on the capacitors is the issue. If it doesn't work after first inspection and repair, he most probably will have to make some voltage measurements with the unit turned on. That's where, IMO, the saftey issues really begin.

The Rat. M80s, VP-150, QS8s, SVS PC 20-39+, OPPO, Onkyo 703s, Harmony 880 Sony 60" SXRD HDTV