Turn off the SC-85 using the front panel power button (not the remote). Unplug the power cord for 30 seconds. Plug it back in.
Get the latest .ZIP file from the Pioneer Support portal. Extract the .fw and .bin files directly to the root of the USB drive. Execution (via USB) Plug the USB drive into the front panel port. pioneer sc-85 firmware update
While updating the firmware on your Pioneer SC-85 is generally a straightforward process, some issues may arise. Here are some common problems and troubleshooting tips: Turn off the SC-85 using the front panel
If you cannot find a USB drive, try the network method. pioneer sc-85 firmware update
What to do: