No sound, Additional information 13 – Pioneer SC-LX73 User Manual
Page 119

Additional information
13
119
En
No sound
During loud playback the
power suddenly switches off.
• Turn down the volume.
• Lower the 63 Hz and 125 Hz equalizer levels in the Manual MCACC setup on page 102.
• Switch on the digital safety feature. While holding down
ENTER on the front panel, press
STANDBY/ON to set this receiver to the standby mode. Use TUNE / to select D.SAFETY
OFF, and then use PRESET / to select 1 or 2 (select D.SAFETY OFF to deactivate this
feature). If the power switches off even with
2 switched on, turn down the volume. With 1 or 2 on,
some features may be unavailable.
The unit does not respond
when the buttons are pressed.
• Try switching the receiver off, then back on again.
• Try disconnecting the power cord, then connect again.
AMP ERR blinks in the display,
then the power automatically
switches off. The
ADVANCED
MCACC blinks and the power
does not turn on.
• The receiver may have a serious problem. Do not try switching the receiver on. Unplug the receiver
from the wall and call a Pioneer authorized independent service company.
The
PQLS flashes and power
turns off.
• There is a problem with the receiver’s power unit or fan. Try turning on the power after 1 minute. If
the same thing happens, the receiver is damaged. Unplug the receiver from the wall and call a
Pioneer authorized independent service company. (Other symptoms may appear when the power is
turned on.)
OVERHEAT blinks in the
display or
AMP OVERHEAT
and the power indicator flash
and the power turns off.
• Allow the unit to cool down in a well-ventilated place before switching back on.
• Wait at least 1 minute, then try turning the power on again.
The receiver suddenly power
off or
ADVANCED MCACC
flashes.
• The power unit is damaged. Unplug the receiver from the wall and call a Pioneer authorized
independent service company.
Display blinks
12V TRG ERR.
• An error has arisen in the 12 V trigger jacks. Reconnect accurately then turn the power back on.
Symptom
Remedy
No sound is output when an
input function is selected.
No sound is output from the
front speakers.
• Check the volume, mute setting (press
MUTE) and speaker setting (press SPEAKERS).
• Make sure the correct input function is selected.
• Check that the MCACC setup microphone is disconnected.
• Make sure the correct input signal is selected (press
SIGNAL SEL). Note that when PCM is
selected, you won’t be able to hear any other signal format.
• Check that the source component is connected properly (see Connecting your equipment on
page 19).
• Check that the speakers are connected properly (see Connecting the speakers on page 23).
No sound from the surround or
center speakers.
• Check that the Stereo listening mode or the Front Stage Surround Advance mode isn’t selected;
select one of the surround listening modes (see Listening in surround sound on page 56).
• Check that the surround/center speakers are not set to
NO (see Speaker Setting on page 111).
• Check the channel level settings (see Channel Level on page 112).
• Check the speaker connections (see Connecting the speakers on page 23).
No sound from surround back
speakers.
• Check that the surround back speakers are set to
LARGE or SMALL, and the surround speakers
are not set to
NO (see Speaker Setting on page 111).
• Check the speaker connections (see Connecting the speakers on page 23). If only one surround
back speaker is connected, make sure it’s connected to the left channel speaker terminal.
• Surround back speakers will not play while the
Speaker System is set to Speaker B and audio is
being played through speaker B.
No sound from front height or
front wide speakers.
• Check that the front height or front wide speakers are set to
LARGE or SMALL, and the surround
speakers are not set to
NO (see Speaker Setting on page 111).
• Check the speaker connections (see Connecting the speakers on page 23).
Symptom
Remedy