no output , protection circuits engaged.I can repair the amp I just need the schematic for it.seems no matter what you type in search engines your lucky to even hit a discussion group .the unit is a soundstorm d series amp.a d500.4. any ideas on where online i can just view a schematic for it ? the power mosfet num. and the output numbs and a view of p/s wiring and i'll have it going in a jif. thx for any help you might give all.