If the system firmware freezes or settings become corrupted, a hard factory reset can resolve the glitches. Press the button to turn off the receiver.
Keep holding until the display screen shows or "FACTORY" . sony str k670p manual
Like any electronic device, you might occasionally run into a problem. The manual's troubleshooting section is your go-to resource, but here are some quick fixes for common issues: If the system firmware freezes or settings become
What (TV, gaming console, PC) are you trying to connect? sony str k670p manual
The STR-K670P features a dedicated digital signal processor (DSP). Use the front panel buttons to cycle through these primary modes:
Do not plug the AC power cord into the wall until all audio and speaker wires are secured.