Sony MHC-RV990D Operating Instructions Manual page 61

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.
The sound from the connected source is
distorted.
• If "VIDEO" appears in the display when you press
MD (VIDEO), switch the display to "MD" (see
"Listening to audio from a connected component"
on page 59).
Speakers
Sound comes from one channel or
unbalanced left and right volume.
• Check the speaker connection and speaker
placement.
• The source being played back is monaural.
• Adjust the balance parameters (page 36).
The sound comes from the center speaker
only. (MHC-RV990D only)
• Depending on the disc, the sound may come from
the center speaker only.
There is no sound from the sub woofer.
• Make sure that the SUBWOOFER setting is set to
"YES" (page 35).
• No sound is produced from the sub woofer when
you play a DVD that does not have sub woofer
output recorded.
There is no sound from the center speaker.
(MHC-RV990D only)
• Set the center speaker level to the appropriate
level.
There is no sound from the surround
speakers. (MHC-RV990D only)
• Set the surround speakers level to the appropriate
level.
• The software being played back has limited sound
effects. Check the volume with the test tone.
Sound lacks bass.
• Check that the speaker's + and – jacks are
connected correctly.
DVD/VIDEO CD/CD/MP3/JPEG
player
The disc tray does not open and "LOCKED"
appears.
• Contact your Sony dealer or local authorized Sony
service facility.
The disc tray does not close.
• Place the disc correctly.
• Always close the tray by pressing Z on the unit.
Trying to press the tray closed with your fingers
may cause problems with the player.
The disc does not eject.
• You cannot eject the disc during CD Synchro
Recording. Press x to cancel the CD Synchro
Recording, then press Z on the CD player to eject
the disc.
• Consult your nearest Sony dealer.
Play does not start.
• Open the disc tray and check whether a disc is
loaded.
• Wipe the disc clean (page 67).
• Replace the disc.
• Place the disc that this system can play (page 5).
• Place the disc correctly.
• Place the disc in the tray with the label side up.
• Remove the disc and wipe away the moisture on
the disc, then leave the system turned on for a few
hours until the moisture evaporates.
• Press nN to start play.
• The region code on the DVD does not match the
system.
• Cancel the Custom Parental Control function
(page 31).
Disc access takes a long time.
• Set "DVD PWR ON" by DVD power manage
function (page 40).
The sound skips.
• Wipe the disc clean (page 67).
• Replace the disc.
• Try moving the system to a place without
vibration (e.g., on top of a stable stand).
• Try moving the speakers away from the system, or
placing them on separate stands. When you listen
to a track with bass sounds at high volume, the
speaker vibration may cause the sound to skip.
continued
GB
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