Troubleshooting; Power; No Sound - Pioneer SC-81 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 five seconds. (The power turns on, then turns off after five seconds.)
! If the power cannot be turned off, press and hold u STANDBY/ON on the front panel for over five 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

Symptom Remedy
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 for 1 5 seconds and then press the
(ZONE 2 ON is displayed.) u STANDBY/ON button to turn OFF the power.
Power cannot be turned off. Press the ZONE 3 button on the remote control for 1 5 seconds and then press the
(ZONE 3 ON is displayed.) u STANDBY/ON button to turn OFF the power.
Power cannot be turned off. Press the HDZONE button on the remote control for 1 5 seconds and then press the
(HDZONE ON is displayed.) u STANDBY/ON button to turn OFF the power.
The receiver suddenly switches off or Check that there are no loose strands of speaker wire touching the rear panel or another
the iPod iPhone indicator blinks. set of wires. If so, re-attach the speaker wires, making sure there are no stray strands.
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 power automatically switches off. the 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 88
on page 93 ).
Symptom Remedy
The receiver suddenly switches off or There is a possibility that the power supply circuit of the receiver has failed. Wait at least
the FL OFF indicator blinks. one minute and then turn ON the power again. If the same symptom appears again after
turning ON the power again, stop using the receiver, disconnect the power cable and
request repair.
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
The receiver suddenly power off or The power unit is damaged. Unplug the receiver from the wall and call a Pioneer autho-
ADVANCED MCACC flashes. rized independent service company.
FAN STOP is displayed, then The built-in cooling fan is malfunctioning. Do not try switching the receiver on. Unplug
iPod iPhone indicator blinks. 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.

No sound

Symptom Remedy
No sound is output when an input Check the volume, mute setting (press MUTE) and speaker setting (press OUT P.).
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 (see
58 ).
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 page 19
Check that the speakers are connected properly (see
22 ).
.
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
93 ).
Check the channel level settings (see
Check the speaker connections (see
103
on page 10 ).
(page 98 ).
Choosing the input signal
Setting the Audio options on page 71 ).
Connecting your equipment
).
Connecting the speakers
Enjoying various types of play-
on page 56 ).
Speaker Setting
Channel Level on page 94 ).
Connecting the speakers on page 22
FAQ
on page
on page
on page
).