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MHC-GN70 4-246-556-
11
(3)
38
GB
Problems and remedies (continued)
There is acoustic feedback.
• Decrease the volume level.
• Move the microphone away from the speakers or
change the direction of the microphone.
The color irregularity on a TV screen persists.
• Turn off the TV set once, then turn it on after 15
to 30 minutes. If the color irregularity still
persists, place the speakers farther away from the
TV set.
Speakers
Sound comes from only one channel or
unbalanced left and right volume.
• Check the speaker connection and speaker
placement.
Sound lacks bass.
• Check that the speaker’s + and – terminals are
connected correctly.
VIDEO CD/CD/MP3 Player
The disc tray does not open and “LOCKED”
appears on the front panel display.
• Contact your Sony dealer or local authorized
Sony service facility.
There is no picture.
• Check the system is connected securely.
• Make sure you set the color system correctly,
according to your TV color system.
• Press CD.
• Press GAME MIXING until “MIXING OFF”
appears.
The disc tray does not close.
• The disc is not placed properly.
The disc does not play.
• The disc is not lying flat in the disc tray.
• The disc is dirty.
• The disc is inserted label side down.
• Moisture condensation has built up. Remove the
disc and leave the system turned on for about an
hour until the moisture evaporates.
Disc access takes a longer time.
• Set “CD POWER ON” by CD power manage
function (page 19).
Playback does not start from the first track.
• The system is in Program Play or Shuffle Play
mode. Press PLAY MODE repeatedly until
“1 DISC”, “ALBM” or “ALL DISCS” appears.
MP3 audio track cannot be played back.
• Recording was not performed according to the
ISO9660 Level 1 or Level 2 or Joliet in the
expansion format.
• The MP3 audio track does not have the extension
“.MP3”.
• The file is not stored in MP3 format.
• The tracks other than MPEG 1 Audio Layer 3
format cannot be played back.
MP3 audio tracks takes a longer time to
playback than others.
• After the system reads all tracks on the disc,
playback may take more time than usual if
— the number of albums or tracks on the disc is
very large.
— the album and track organization structure is
very complex.
The disc title, album title, track title, ID3 tag and
the CD-TEXT characters do not appear properly.
• Use a disc that conforms with ISO9660 level 1,
level 2, or Joliet in the expansion format.
• The ID3 tag is not Version 1.0 or Version 1.1.
• The character code that can be displayed by this
system are as follows.
— Upper cases (A to Z)
— Lower cases (a to z)
— Numbers (0 to 9)
— Symbols (< > * +, – / [ ] \ _)
Other characters may not be displayed correctly.