Blown amp? Need help getting system back up

[macg]

I get no noise anymore. I think the amp died but not sure. This is what I have:

Kenwood hu (last year model)

Pioneer PRS-D4100F amp

Alpine SPX-177R component speakers

2 other rear speakers (I think they are pioneer 5 or 6 inch)

a cheap Blaupunkt 12" (I think) sub

The amp seems to power up but no sound comes out. The 30A fuses are good. I took the amp out and tried to bench test it to an old Pioneer stereo and it still doesn't make noise. I took the amp apart and see no burn markers or evidence of damage. This system has been down for a while now and I am tired of having no stereo.//content.invisioncic.com/y282845/emoticons/verymad.gif.3f39c5c2fd57527b671fad3efdfac756.gif I must get this back up right now but I would hate to waste the amp if it can be repaired. Any ideas?

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