Polk Audio dsw3000 repair?

Hallo
I got a polk audio dsw3000 micropro for free. The amplifier has Indigo pcb board. From what i can ser, it's much alike Klipsch amplifier.

Former owner has tried too do something on it himself. Missing C51 and C2, D22 and some thermistors.
Anyone knows what parts i need and value?
Glenn 20201222_133301.jpg20201222_133455.jpg20201222_133247.jpg20201218_134711.jpg20201222_133157.jpg
 
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