ONKYO PR-SC5507 ユーザーズマニュアル

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If you have any trouble using the AV controller, look for 
a solution in this section. If you can’t resolve the issue 
yourself, contact your Onkyo dealer.

Can’t turn on the AV controller
• Make sure that the power cord is properly plugged into 

the wall outlet.

• Unplug the power cord from the wall outlet, wait five 

seconds or more, then plug it in again.

There’s no sound, or it’s very quiet
• Make sure that your multichannel power amplifier is 

turned on and set up correctly and connected to the AV 
controller properly (page 17).

• Make sure that the digital input source is selected 

properly (page 51).

• Make sure that all audio connecting plugs are pushed 

in all the way (page 24).

• Make sure that the inputs and outputs of all compo-

nents are connected properly (pages 27 to 41).

• Make sure that the input source is properly selected 

(page 62).

• Make sure that the speaker cables are not shorting.
• Check the volume. It can be set to 

−

Q

 

dB, 

−

81.5 dB 

through +18.0 dB (page 62). The AV controller is 
designed for home theater enjoyment. It has a wide 
volume range, allowing precise adjustment.

• If the MUTING indicator is flashing on the display, 

press the remote controller’s [MUTING] button to 
unmute the AV controller (page 64).

• While a pair of headphones is connected to the 

PHONES jack, no sound is output by the speakers 
(page 64). 

• If there’s no sound from a DVD player connected to an 

HDMI IN, check the DVD player’s output settings, 
and be sure to select a supported audio format.

• Check the digital audio output setting on the con-

nected device. On some game consoles, such as those 
that support DVD, the default setting is off.

• With some DVD-Video discs, you need to select an 

audio output format from a menu.

• If your turntable uses an MC cartridge, you must con-

nect an MC head amp, or an MC transformer.

• Make sure that none of the connecting cables are bent, 

twisted, or damaged.

• Not all listening modes use all speakers (page 83).
• Specify the speaker distances (page 91) and adjust the 

individual speaker levels (page 92).

• Make sure that the speaker setup microphone is not 

still connected.

• The input signal format is set to PCM or DTS. Set it to 

Only the front speakers produce sound
• When the DTS Surround Sensation, Stereo or Mono 

listening mode is selected, only the front speakers and 
subwoofer produce sound.

• In the Mono listening mode, only the front speakers 

output sound if the “Output Speaker” setting is set to 
“Left / Right” (page 94).

• Check the Speaker Configuration (page 90).

Only the center speaker produces sound
• If you use the Dolby Pro Logic IIx Movie, Dolby Pro 

Logic IIx Music, or Dolby Pro Logic IIx Game listen-
ing mode with a mono source, such as an AM radio 
station or mono TV program, the sound is concen-
trated in the center speaker.

• In the Mono listening mode, only the front speakers 

output sound if the “Output Speaker” setting is set to 
“Center” (page 94).

• Make sure the speakers are configured correctly 

The surround speakers produce no sound
• When the DTS Surround Sensation, T-D (Theater-

Dimensional), Stereo or Mono listening mode is 
selected, the surround speakers produce no sound.

• Depending on the source and current listening mode, 

not much sound may be produced by the surround 
speakers. Try selecting another listening mode.

• Make sure the speakers are configured correctly 

The center speaker produces no sound
• When the DTS Surround Sensation or Stereo listening 

mode is selected, the center speaker produces no 
sound.

• In the Mono listening mode, only the front speakers 

output sound if the “Output Speaker” setting is set to 
“Left / Right” (page 94).

• Make sure the speakers are configured correctly 

If you can’t resolve the issue yourself, try resetting 
the AV controller before contacting your Onkyo 
dealer.

Note that resetting the AV controller will delete your 
radio presets and custom settings.