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FAQ
Symptom Remedy
No sound from subwoofer. Check that the subwoofer is connected properly, switched on and the volume turned up.
If your subwoofer has a sleep function, make sure it is switched off.
Make sure that the Subwoofer setting is YES or PLUS (see Speaker Setting on page 99).
The crossover frequency may be set too low; try setting it higher to match the characteris-
tics of your other speakers (see Speaker Setting on page 99).
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 on page 99).
Check that the LFE channel is not set to OFF, or to a very quiet setting (see Setting the
Audio options on page 74).
Check the speaker level settings (see Channel Level on page 99).
No sound from the speakers.
Check the AMP setting. Set it to ON when you want to output sound from all the speakers
(Setting the Audio options on page 74).
No sound from one speaker.
Check the speaker connection (see Connecting the speakers on page 22).
Check the speaker level settings (see Channel Level on page 99).
Check that the speaker hasn’t been set to NO (see Speaker Setting on page 99).
The channel may not be recorded in the source. By using one of the advanced effect
listening modes, you may be able to create the missing channel (see Enjoying various
types of playback using the listening modes on page 58).
Sound is produced from analog
components, but not from digital
ones (DVD, LD, CD, etc.).
Check that the input signal type is set to DIGITAL (see Choosing the input signal on page
60).
Make sure that the digital input is assigned correctly for the input jack the component is
connected to (see The Input Setup menu on page 47).
Check the digital output settings on the source component.
If the source component has a digital volume control, make sure this is not turned down.
SC-68 only:
No sound is produced even if
MULTI CH IN is selected.
When 5.1ch F+Surr Bi-Amp or 5.1ch F+C Bi-Amp is selected in the Speaker System set-
tings (when the center or surround speakers are bi-amped), no sound is produced even
when MULTI CH IN is selected.
No sound is output or a noise is out-
put when Dolby Digital/DTS software
is played back.
Check that your BD or DVD player is compatible with Dolby Digital/DTS discs.
Check the digital output settings or the HDMI audio output settings of your BD or DVD
player. Make sure that the DTS signal output is set to On.
If the source component has a digital volume control, make sure this is not turned down.
No sound when using the
Home Menu.
If the HDMI input function is selected, sound is muted until exiting the Home Menu.
Other audio problems
Symptom Remedy
Speaker switching sound (clicking
sound) is heard from receiver during
playback.
Depending on the listening mode, the front height (or front wide) and surround back
speakers may switch automatically in function of changes in the input audio. A speaker
switching sound (clicking sound) will be heard from the receiver at this time. If this sound
bothers you, we recommend to change the speaker terminal option (see Switching the
speaker terminals on page 78).
Symptom Remedy
Broadcast stations cannot be
selected automatically, or there is
considerable noise in radio broad-
casts.
Fully extend the FM wire antenna, adjust the position for best reception and secure to a
wall, etc.
Use an outdoor antenna for better reception (see page 37).
Adjust the position and direction of the AM antenna.
Noise may be caused by interference from other equipment, such as a fluorescent light,
motor, etc. Switch off or move the other equipment, or move the AM antenna.
Noise is output when scanning a
DTS CD.
This is not a malfunction of the receiver. The scan function of your player alters the digital
information, making it unreadable, resulting in noise being output. Lower the volume
when scanning.
When playing a DTS format LD there
is audible noise on the soundtrack.
Make sure that the input signal type is set to DIGITAL (see Choosing the input signal on
page 60).
Can’t record audio. You can only make a digital recording from a digital source, and an analog recording
from an analog source.
For digital sources, make sure that what you’re recording isn’t copy protected.
Subwoofer output is very low.
To route more signal to the subwoofer, set it to PLUS or set the front speakers to SMALL
(see Speaker Setting on page 99).
Everything seems to be set up cor-
rectly, but the playback sound is odd.
The speakers may be out of phase. Check that the positive/negative speaker terminals on
the receiver are matched with the corresponding terminals on the speakers (see Connect-
ing the speakers on page 22).
The Phase Control feature doesn’t
seem to have an audible effect.
If applicable, check that the lowpass filter switch on your subwoofer is off, or the lowpass
cutoff is set to the highest frequency setting. If there is a PHASE setting on your sub-
woofer, set it to 0º (or depending on the subwoofer, the setting where you think it has the
best overall effect on the sound).
Make sure the speaker distance setting is correct for all speakers (see Speaker Distance
on page 99).
Full Band Phase Control cannot be
selected.
Perform Full Auto MCACC measurements (see Automatically conducting optimum sound
tuning (Full Auto MCACC) on page 45). Full Band Phase Control automatically turns on
once measurements are completed.
Noise or hum can be heard even
when there is no sound being input.
Check that personal computers or other digital components connected to the same
power source are not causing interference.
Can’t select some Input functions by
the INPUT SELECTOR on the front
panel or the INPUT SELECT button
on the remote control.
Check the Input Skip settings in the Input Setup menu (see The Input Setup menu on
page 47).
Check the HDMI Input assignment in the Input Setup menu then try OFF (see The Input
Setup menu on page 47).
There seems to be a time lag
between the speakers and the output
of the subwoofer.
See Automatically conducting optimum sound tuning (Full Auto MCACC) on page 45 to
set up your system again using MCACC (this will automatically compensate for a delay in
the subwoofer output).
The maximum volume available
(shown in the front panel display) is
lower than the +12dB maximum.
Check that the Volume Limit is set to OFF (see Volume Setup on page 102).
The channel level setting may be over 0.0dB.
Certain listening modes or
HOME MENU items cannot be
selected.
When Operation Mode is set to Basic, the Pioneer-recommended settings are made and
not all of the functions can be used. To use all of the functions without restrictions, set
Operation Mode to Expert (see Operation Mode Setup on page 48).