My desktop white tango's power light is on but no sound.  My ipod mounts from the top and it is working. I changed the power cord because the old one became loose. The power cord I used is not a tango power cord.  Can anyone help?  Where can I send it to be repaired?  It's the best sound for the money.

Audio Players & Recorders - XtremeMac - IPD-TMX-10 Tango Studio Compact Desktop Audio System - Black...