The Carver Receiver 900 not retail working

Product Name: The Carver Receiver 900 not retail working
The Carver Receiver 900 - FOR PARTS or REPAIR Unit needs to be repair . Missing two knobs. The Carver Receiver 900 - FOR PARTS or REPAIR Powers up, relay clicks, display is good. Selector lights come on. No audio . Selling for repairs. I opened for you to see the retail inside. Screws will be included. Any questions please let me know. Paradigm, Proac, Sony, Pioneer, Polk-Audio, Preamplifier, Quad ,Rogers, Rotel, Rega, Stanton, Speakers, Sony, Studio, Vandersteen,, Snell, Spendor, Thorens, Vandersteen, Wharfedale, Yamaha, Speakers, Home Theater, Audiophile, M&K, B&W, Bowers & Wilkins, Infinity, Accuphase, Canton, Boston Acoustics, Linn, McIntosh, Paradigm, Dali, Wilson Audio, Sonus Faber, KEF, Definitive Technology, PSB, NHT, JBL, Magnepan, Eminent Technology, Monitor Audio, Vienna Acoustics, Meridian, Behringer, Martin Logan, Acoustat, Quad, Genesis, Opera,.