Troubleshooting; Power; No Sound - Pioneer vsx-923-K Operating Instructions Manual

13

Troubleshooting

Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is something wrong
with this component, check the points below. Sometimes the trouble may lie in another component. Investigate
the other components and electrical appliances being used. If the trouble cannot be rectified even after exercis-
ing the checks listed below, ask your nearest Pioneer authorized independent service company to carry out repair
work.
! If the unit does not operate normally due to external effects such as static electricity disconnect the power plug
from the outlet and insert again to return to normal operating conditions.
If the problem is not solved after the troubleshooting below, if the screen freezes unexpectedly or if the buttons on
the remote control or front panel stop working completely, do the following:
! Press u STANDBY/ON on the front panel to turn off the power, then turn the power back on.
If this does not solve the problem, turn off the power again, then press and hold the u STANDBY/ON button
on the front panel for at least 10 seconds. (The power turns on, then turns off after 10 seconds.)
! If the power cannot be turned off, press and hold u STANDBY/ON on the front panel for over 10 seconds. The
power will turn off. In this case, the various settings made on the receiver may be cleared. (However, settings
made when the power was turned off normally are not cleared.)

Power

Symptoms Remedies
The power does not turn on. Make sure that the power cord is plugged in to an active power outlet.
Try disconnecting from the power outlet, then plugging back in.
Power cannot be turned off.
Press the ZONE 2 button on the remote control, then press u STANDBY/ON to turn the
(ZONE 2 ON is displayed.) power off. Next, press RECEIVER to set the remote control back to the AV amplifier control
mode.
Power cannot be turned off. Press the HDZONE button on the remote control, then press u STANDBY/ON to turn
(HDZONE ON is displayed.) the power off. Next, press RECEIVER to set the remote control back to the AV amplifier
control mode.
The receiver suddenly switches off Check that there are no loose strands of speaker wire touching the rear panel or another
or the iPod iPhone iPad indicator set of wires. If so, re-attach the speaker wires, making sure there are no stray strands.
blinks.
The receiver may have a serious problem. Disconnect from the power and call a Pioneer
authorized independent service company.
During loud playback the power sud- Turn down the volume.
denly switches off.
Lower the 63 Hz and 125 Hz equalizer levels in the
Switch on the digital safety feature. While holding down ENTER on the front panel,
press u STANDBY/ON to set this receiver to the standby mode. Use TUNE i/j to
select D.SAFETY cOFFd, and then use PRESET k/l to select 1 or 2 (select D.SAFETY
cOFFd 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.
If there is very little low frequency information in the source material, change your
speaker settings to Front: SMALL / Subwoofer: YES, or Front: LARGE / Subwoofer: PLUS
(see Speaker Setting
The unit does not respond when the Try switching the receiver off, then back on again.
buttons are pressed.
Try disconnecting the power cord, then connect again.
AMP ERR blinks in the display, then The receiver may have a serious problem. Do not try switching the receiver on. Unplug the
the power automatically switches off. receiver from the wall and call a Pioneer authorized independent service company.
The ADVANCED MCACC blinks and
the power does not turn on.
Manual MCACC setup on page
on page 83).
Symptoms Remedies
The receiver suddenly switches off or There is a problem with the receiver's power unit or fan. Try turning on the power. If the
the FL OFF indicator blinks. 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.)
AMP OVERHEAT blinks in the dis- Allow the unit to cool down in a well-ventilated place before switching back on (see
play and the FL OFF indicator flash Installing the receiver
and the power turns off.
Check whether the cables used to connect the speakers are short-circuited.
Wait at least 1 minute, then try turning the power on again.
The temperature within the unit has exceeded the allowablevalue.
Lower the volume level.
HDZONE cannot be turned on. Set Output Setting at MAIN/HDZONE to HDZONE

No sound

Symptoms Remedies
No sound is output when an input Check the volume, mute setting (press MUTE) and speaker setting (press SPEAKERS).
function is selected.
Make sure the correct input function is selected.
No sound is output from the front
Check that the MCACC setup microphone is disconnected.
speakers.
Make sure the correct input signal is selected (press SIGNAL SEL).
Note that when Fixed PCM ON is selected, you won't be able to hear any other signal
format (see
Check that the source component is connected properly (see
on
Check that the speakers are connected properly (see
19).
No sound from the surround or Check that the Stereo listening mode or the Front Stage Surround Advance mode isn't
center speakers. selected; select one of the surround listening modes (see
back using the listening modes
Check that the surround/center speakers are not set to NO (see
83).
Check the channel level settings (see
Check the speaker connections (see
77.
No sound from surround back Check that the surround back speakers are set to LARGE or SMALL, and the surround
speakers. speakers are not set to NO (see
Check the speaker connections (see
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.
When Speaker System is set to Normal(SB/FH) or Normal(SB/FW) and SP: FH ON or
SP: FW ON is selected with the SPEAKERS button, no sound will be output from the sur-
round back speakers. Select SP: SB/FH ON, SP: SB/FW ON or SP: SB ON (see
the speaker terminals
91
on page 7).
(page 87).
Setting the Audio options on page 62).
page 16).
Connecting the speakers
Enjoying various types of play-
on page 48).
Channel Level on page
Connecting the speakers
Speaker Setting on page 83).
Connecting the speakers
on page 66).
FAQ
Connecting your equipment
on page
Speaker Setting on page
84).
on page 19).
on page 19). If only one
Switching