how to reset to original settings of my Yamaha A/V Receiver HTR-5450

[GMaann]

how to reset to original settings of my Yamaha A/V Receiver HTR-5450. In the I/O Asign funtion , some changes were made & now one of the toslink optical jacks won't play through any sound at all.Is there any way i can revert back to the settings before The I/O Assign changes were made.

 

[one more time]

Maybe this will help. Page 46, maybe?

https://usa.yamaha.com/files/download/other_assets/8/319648/HTR-5450.pdf

 

[Swerd]

The previous suggestion allows resetting the AVR's remote control to the factory set codes that allow it to control other devices.

To reset the AVR itself to the factory default settings, see to bottom of page 57 of the PDF document (marked as page 53).

… set this unit in the standby mode, disconnect the power cord, plug it back in after 30 seconds, and start operating.​