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Troubleshooting
If you have any trouble using your DTR-10.5, look for a solu-
tion in this section. If you can’t resolve the issue yourself, con-
tact the dealer from whom you purchased this unit.
Can’t turn on the DTR-10.5?
• Make sure that the power cord is properly plugged into the
wall outlet and also make sure that the other end of the
power cord is properly connected to the DTR-10.5’s AC
INLET.
• Unplug the power cord from the wall outlet, wait five sec-
onds or more, then plug the cord in again.
The DTR-10.5 turns off as soon as it’s turned on?
• The amp protection circuit has been activated.
Remove the power cord from the wall outlet immediately
and contact the dealer from whom you purchased this unit.
The [Standby] indicator on the DTR-10.5 remains lit?
• It is supposed that the DTR-10.5 is using a source in Zone
2 or 3. When not using, set both Zone 2 and 3 to “Off”
(page 68).
External devices connected to AC OUTLET of the
DTR-10.5 do not turn off even when the unit is in
standby mode.
• It is supposed that the DTR-10.5 is using devices in Zone 2
or 3. When not using, set both Zone 2 and 3 to “Off.”
There’s no sound, or it’s very quiet?
• Make sure that all audio connecting plugs are pushed in all
the way.
• Make sure that the inputs and outputs of all components are
configured or assigned properly (pages 88, 93).
• Make sure that the polarity of the speaker cables is correct
and that the bare wires are in contact with the metal part of
each speaker terminal (page 27).
• Make sure that the input source is properly selected (page
52).
• Check the volume. It can be set from –81.5 to +18 (page
52).
The DTR-10.5 is designed for home theater enjoyment. It
has a wide volume range, allowing for precise adjustment.
• If the MUTING indicator is shown on the display, press the
remote controller’s [Muting] button to unmute the
DTR-10.5 (page 54).
• While a pair of headphones is connected to the PHONES
jack, no sound is output by the speakers (page 54).
• Check the digital audio output setting on the connected
device. On some games consoles, such as those that sup-
port DVD, the default setting is off.
• With some DVD-Video discs, you need to select an audio
output format from a menu.
• Make sure that the correct input signal audio format is
selected with the [Audio SEL] button (page 57).
• To use a turntable with an MC-type cartridge requires a
commercially available MC phono preamp (page 40).
• Make sure that none of the connecting cables is bent,
twisted, or damaged.
• Not all listening modes use all of the speakers.
• Specify the Speaker/Output Setup and Input Setup (pages
88-98).
Only the front speakers produce sound?
• When the Stereo listening mode is selected, only the front
speakers and subwoofer produce sound.
• When the Direct or Pure Audio listening mode is selected,
only the front speakers produce sound.
• Make sure the speakers are configured correctly (page 88).
Only the center speaker produces sound?
• If you use the Pro Logic II/IIx Movie or Pro Logic II/IIx
Music listening mode with a mono source, such as an AM
radio station or mono TV program, the sound is concen-
trated in the center speaker.
• Make sure the speakers are configured correctly (page 88).
The surround speakers produce no sound?
• When the Stereo, Direct, or Pure Audio listening mode is
selected, the surround speakers produce no sound (page
58).
• 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 (page 88).
The center speaker produces no sound?
• When the Stereo, Direct, or Pure Audio listening mode is
selected, the center speaker produces no sound (page 58).
• When the listening mode is set to “Mono,” no sound can be
present in the center speaker.
• Make sure the speakers are configured correctly (page 88).
The surround back speakers produce no sound?
• The surround back speakers are not used with all listening
modes. Select another listening mode (pages 58-60).
• Not much sound may be produced by the surround back
speakers with some sources.
• If the “SB Mode (5ch)” is available in any sub-menu of the
“Listening Mode Setup” menu, make sure that it is not set
to “Off” (pages 102-109).
• Make sure the speakers are configured correctly (page 88).
The subwoofer produces no sound?
• When you play source material that contains no informa-
tion in the LFE channel, the subwoofer produces no sound.
• Make sure the speakers are configured correctly (pages 88,
89).
There’s no sound with a certain signal format?
• Check the input signal format setting. Depending on the
playback source, you can select Auto, Multich, Analog, or
i.LINK (page 57).
• Check the digital audio output setting on the connected
device. On some games consoles, such as those that sup-
port DVD, the default setting is off.
• With some DVD-Video discs, you need to select an audio
output format from a menu.
• Depending on the input signal, some listening modes can-
not be selected (pages 143-145).
Can’t select the DTS-ES Discrete/Matrix or THX Sur-
round EX listening modes?
• These modes cannot be selected when no surround back
speakers are connected, or Zone 2/3 is being used.
• If the “SB Mode (5ch)” is available in any sub-menu of the
“Listening Mode Setup” menu, make sure that it is not set
to “Off” (pages 102-109).
Power
Audio