Yamaha RX-V663 - Manual (Page 114)

Troubleshooting 1
Refer to the table below when this unit does not function properly. If the problem you are experiencing is not listed below
or if the instruction below does not help, turn off this unit, disconnect the power cable, and contact the nearest authorized
Yamaha dealer or service center.
■ General
................
1
This unit fails to turn
on or enters the The power cable is not connected or the
plug is not completely inserted.
Connect the power cable firmly.
standby mode soon
after the power is
turned on.
The speaker impedance setting is incorrect. Set the speaker impedance to match your speakers. 28
The protection circuitry has been activated. Make sure that all speaker wire connections on this
unit and on all speakers are secure and that the wires
for each connection do not touch anything other than
their respective connections.
14
This unit has been exposed to a strong
external electric shock (such as lightning or
strong static electricity).
Set this unit to the standby mode, disconnect the power
cable, plug it back in after 30 seconds and then use this
unit normally.
No sound. Incorrect input or output cable connections. Connect the cables properly. If the problem persists,
the cables may be defective.
20-26
The optimizer microphone is connected. Disconnect the optimizer microphone. 36
Audio input jack select is set to “HDMI”,
“COAX/OPT’ or “ANALOG”.
Set Audio input jack select to “AUTO”. 44
Audio input jack select is set to
“ANALOG” while playing a source
encoded in Dolby Digital or DTS.
Set Audio input jack select to “AUTO” or
“COAX/OPT”.
44
No appropriate input source has been
selected.
Select an appropriate input source with the INPUT
selector on the front panel (or the input selector
buttons on the remote control).
42,43
Speaker connections are not secure. Secure the connections. 14
The front speakers to be used have not been
selected properly.
Select the front speakers by pressing (J)SPEAKERS
on the front panel repeatedly.
43
The volume is turned down. Turn up the volume. —
The sound is muted. Press
®
MUTE or
@
VOLUME +/- on the remote
control to resume audio output and then adjust the
volume.
45
Signals this unit cannot reproduce are
being input from a source component, such
as a CD-ROM.
Play a source whose signals can be reproduced by this
unit.
The HDMI components connected to this
unit do not support the HDCP copy
protection standards.
Connect HDMI components that support the HDCP
copy protection standards.
18
“S.AUDIO” is set to “OTHER” and
“HDMI” audio signals are not being played
back on this unit.
Set “S.AUDIO” to “RX-V663” in “MANUAL
SETUP”.
98
No picture. The output and input for the picture are
connected to different types of video jacks.
Set “VIDEO CONV.” to “ON” or connect your source
components in the same way as you connect your
video monitor to this unit.
97
The sound suddenly The protection circuitry has been activated Check that the speaker impedance setting is correct. 28, 106
goes off. because of a short circuit, etc.
Check that the speaker wires are not touching each
other and then turn this unit back on.
—
The sleep timer has turned this unit off. Turn this unit on, and play the source again. —
The sound is muted. Press
®
MUTE or 0VOLUME +/- on the remote
control to resume audio output.
45
Sound is heard from
the speaker on one Incorrect cable connections. Connect the cables properly. If the problem persists,
the cables may be defective.
14
side oniy.
Incorrect settings in “SP LEVEL”. Adjust the “SP LEVEL” settings. 87
110£n