Pioneer VSX-C550 Operating Instructions Manual page 55

Symptom
No sound from surround
or center speakers.
No sound from
subwoofer
Sound is produced from
analog components, but
not from digital ones
(DVD, LD, CD-ROM
etc.).
No sound is output or a
noise is output when
Dolby Digital/DTS
software is played back.
When a search is per-
formed by a DTS compat-
ible CD player during
playback, noise is output.
The Dolby/DTS indicator
doesn't light when
playing Dolby/DTS
software.
When playing a 96 kHz/
24bit disc the sound is
too loud.
Cause
• Surround or center speaker settings are
incorrect.
• The surround and/or center levels are
turned down.
• The surround and/or center speakers are
disconnected.
• The subwoofer is disconnected.
• The subwoofer's settings are incorrect.
• The subwoofer's levels are too low.
• The LFE Attenuator is set to OFF .
• Digital connections are incorrect.
.
• The digital output of the player is turned
off.
• The CD-ROM player is outputting a data
stream (not an audio signal) which is in-
compatible with this receiver.
• Digital connections are incorrect.
• Analog input has been selected.
• The digital input assignment is wrong.
• A DVD player not compatible with
Dolby Digital/DTS is being used.
• The settings on the DVD player are in-
correct and/or the DTS signal output is
turned off.
• The digital output level is turned down
on a CD player or other component
equipped with digital output level ad-
justment capability. (The DTS signal has
been altered by the player, and cannot
be read.)
• The search function performed by the
player slightly alters the digital informa-
tion, making it unreadable.
• The player is paused.
• The player's sound output settings are
wrong.
• Different discs have different recording
levels so some may be louder than oth-
ers.
Additional Information
Remedy
• Refer to speakers setting mode on page
28 to check the speaker settings.
• Turn levels up. Refer to "Setting the
Volume Level of Each Channel" on page
32 to check the speaker levels.
• Connect the speakers (refer to page 16).
• Connect the subwoofer (refer to page 16).
• Set the subwoofer (refer to page 28).
• Set the front speakers to Small (
to page 28).
• Refer to "Setting the Volume Level of
Each Channel" on page 32 to check the
speaker levels.
• Set the LFE Attenuator to either 0 dB or
10 dB (refer to page 29).
• Make digital connections (refer to page
11–14)
• Turn on the digital output of the player
on (consult the manual that came with
the player, if necessary).
• Use a player that is compatible with this
receiver.
• Make digital connections (refer to page
11–14).
• Select digital input (refer to page 44).
• Assign the digital input (refer to page 31).
• Make sure your DVD player is compat-
ible with Dolby Digital/DTS.
• Make sure the player's settings are
correct and/or the DTS signal out is on.
Refer to the instruction manual
supplied with the DVD player.
• Set the digital volume level of the player
to full, or to the neutral position.
• This is not a malfunction, but be sure to
turn the volume down to prevent the
output of loud noise from your
speakers.
• Press play.
• Set the player correctly (consult the
manual that came with the player, if
necessary).
• Turn the volume down.
) (refer
S
55
En