Denon DVD player troubleshooting

No power-Check if the AC power cord is properly connected. -Unplug the AC power cord once, and wait for 5-10 seconds and then plug it in again.
No sound or picture-Check if the TV is turned on.
-Check the video connection.
-Check the VIDEO/AUDIO cable connections to the TV. -Check if the PROGRESSIVE mode is set correctly.
Distorted picture-Sometimes a small amount of picture distortion may appear. This is not a malfunction.
-Connect the player directly to the TV.
-The unit is sending Progressive video signal and HDMI signal simultaneously when HDMI mode is set to ON. If you connected component video cable to your TV, which is not compatible with progressive scan, the distorted picture will be output. Press the HDMI button on the front panel to set the HDMI output mode to OFF.
Completely distorted picture or black/white picture with DVD-Connect the DVD player directly to the TV.
-Make sure the disc is compatible with the DVD player.
No sound or distorted sound-Adjust the volume.
-Check that the speakers are connected correctly. -The HDMI sound is not output when AUDIO MODE is set to ANALOG.
No audio at digital output-Check the digital connections. -Check the audio settings.
No DTS sound output-Use a DIGITAL OUT jack when outputting the DTS sound.
No image from HDMI connection-Check the HDMI connection. (Check the status of the HDMI related indications.)
-Check whether the connected monitor equipment or other equipment supports HDCP. (This player will not output a video signal unless the other equipment supports HDCP.)
-Check the setting of HDMI.
-Check whether the output format of this player (HDMI FORMAT) matches the supported input format of other connected equipment.
Picture freezes momentarily during playback-Check the disc for fingerprints/scratches and clean with a soft cloth wiping from center to edge.
Disc cannot be played-Clean the disc.
-Ensure the disc label is facing up.
-Check if the disc is defective by trying another disc. -Cancel Ratings control or change the control level. -Insert a correct disc that plays on this player.
No return to start-up screen when disc is removed-Reset the player by turning it off, then on again.
The player does not respond to the remote control-Aim the remote control directly at the sensor on the front of the player.
- Reduce the distance to the player.
-Replace the batteries in the remote control.
-Re-insert the batteries with their polarities (+/- signs) as indicated.
Buttons do not work or player stops responding-To completely reset the player, unplug the AC cord from the AC outlet for 5-10 seconds.
Player does not respond to some operating commands during playback-Operations may not be permitted by the disc.
DVD player cannot read CDs/DVDs-Use a commonly available CD/DVD cleaner to clean the lens before sending the DVD player for repair.
Angle does not switch-The angle cannot be switched for DVDs which do not contain multiple angles. In some cases multiple angles are only recorded for specific scenes.
Playback does not start when the title is selected-Check the “RATINGS” setting.
The password for rating level has been forgotten-Enter the default password “4737", then your forgotten password will be cleared.