SVS sub repair

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I've got a dead SVS 20-39PC-Plus subwoofer that powers up but won't give any output. The Indigo BASH amp boards appear to have rail voltages working but the audio signal is lost somewhere.
Does anyone have schematics, etc for the Indigo boards inside:
630096 Rev 0
630126 Rev 0
630127 Rev 0
640022 Rev 1
650027 Rev 2

SVS have been no help, and Indigo itself appears to have been sold to the Chinese company Sonovox and proprietary rights to the designs get in the way.

Thanks for any help.
Don

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Topic - SVS sub repair - xmitr 16:48:38 04/04/14 (5)

RE: SVS sub repair - Doublej 03:47:55 04/08/14 (1)

RE: SVS sub repair - xmitr 10:46:49 04/08/14 (0)

RE: SVS sub repair - fantja 21:22:40 04/04/14 (0)

RE: SVS sub repair - Jive Turkey 17:12:05 04/04/14 (1)

RE: SVS sub repair - xmitr 08:44:57 04/05/14 (0)

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