Yamaha DVX-1000 Owner's Manual page 54

Troubleshooting
No picture is displayed when you make HDMI
connections (using the HDMI terminals)
A disc cannot be inserted into the DVD receiver
52
En
Follow the steps below to change [HDMI VIDEO] to [480P].
on the front panel or press and hold s on the remote control to
1. Press
eject the disc.
2. Press on the remote control.
3. Press AUDIO on the remote control.
Turn on the DVD receiver and insert the disc after "NO DISC" appears on the
display panel.
Wait for a while and insert the disc after "NO DISC" appears on the display
panel.
Eject the disc from the DVD receiver, and then insert the disc you want to play
back after "NO DISC" appears on the display panel.
or p, or remove the disc from the disc loading slot fully and then
Press
insert it once again.