I believe the 7100 was built by Amplifier Technologies Inc (ATI) in Montebello outside Los Angeles so you might give them a call to see if they will take a look at it. I suspect they will bounce it back to Outlaw but you never know.
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AvFan
Outlaw 976 | ATI 2005 | M&K 850s Left, Center & Right, Surround-55s, MX-70B Sub | Harmony 950 remote | Panamax 5100 | OPPO UDP-203 | LG OLED55B7