The disc title,
Use a disc that conforms to the ISO 9660 Level 1, Level 2, or Joliet (expansion).
The character code that can be displayed by this system are numbers and alphabet only. Other characters appear as “*”.
ID3 tag information cannot be displayed on this system.
The surround effect is difficult to hear when you are playing a Dolby Digital or MPEG audio sound track.
Make sure the sound field is set properly (page 88).
Check the speaker connection (page 21).
Depending on the DVD VIDEO, the output signal may not be the entire 5.1 channel. It may be monaural or stereo, even if the sound track is recorded in Dolby Digital or MPEG audio format.
The sound loses stereo effect when you play back a DVD VIDEO, VIDEO CD, AUDIO CD, MP3 audio track or DivX video file.
Unplug the microphone or press KARAOKE MODE repeatedly until “” disappears from the display.
Make sure the system is connected properly.
USB device
“Over Current” appears.
A problem has been detected with the
level of electrical current from the 
(USB) port . Turn off the system and
remove the USB device from the 
(USB) port . Make sure there is no problem with the USB device. If this display pattern persists, contact your nearest Sony dealer.
Are you using a supported USB device?
If you connect an unsupported USB device, the following problems may occur. See “Playable USB devices” (page 135) for the supported device types.
The USB device is not recognized.
File or folder names are not displayed on this system.
Playback is not possible. The sound skips. There is noise.
A distorted sound is output.
Information Additional
Continued