20 Most Recent Yamaha RX-V373 5.1 Channel AV Receiver Questions & Answers

https://www.tradebit.com/filedetail.php/236197866-yamaha-rx-v373-htr-3065-av-receiver-service-manual The manual is not free.

Press and hold the "straight" and "Tone control" buttons and press power. This should release the protect lock that the receiver is in. If it shuts back off immediately, then you most likely have a blown amp that will need to be repaired.

It sounds like it is dead, check the manual. Be sure you have mains power to the receiver, it sounds like that failed. A loose plug or blown fuse could cause that type of problem as well. Here are a few links that may help. Redirect Notice Redirect Notice Yamaha RX V373BL Owner Manual

Usb crashes after playing several music and stops loading contents from usb. I had to turn the power off and on again to load. Is there any latest firmware for Rx v 373 yet?

hdmi cable does both vid and sound so you should be ok if you have used this way to connect. if you have used rca connection try using another red white yellow cable cause they are cheap and break easy.