Onkyo HT-R640 5.1 Home Theater Surround Sound AV Receiver Amp HDMI. Stuck in Power Save mode. When you plug it in and turn it on it clicks and goes quiet for 3-4 seconds and then clicks and repeats. Google says it is stuck in power save mode. Sold AS IS. Can be harvested for parts, message me if you’d like something specific.
eBay