Yamaha DSP-AX463 User Manual
Page 68
66
En
Troubleshooting
Problem
Cause
Remedy
See
page
Dolby Digital or DTS
sources cannot be
played. (Dolby Digital
or DTS indicator in
the front panel
display does not light
up.)
The connected component is not set to
output Dolby Digital or DTS digital
signals.
Make an appropriate setting following the operating
instructions for your component.
—
Audio input jack select is set to
“ANALOG”.
Set Audio input jack select to “AUTO”.
A humming sound is
heard.
Incorrect cable connections.
Connect the audio cables firmly. If the problem
persists, the cables may be defective.
—
The volume level
cannot be increased,
or the sound is
distorted.
You are attempting to set the volume level
higher than the maximum volume level.
Adjust “MAX VOL.” setting.
The component connected to the AUDIO
OUT (REC) jacks of this unit is turned
off.
Turn on the power of the component.
—
The sound effect
cannot be recorded.
It is not possible to record the sound effect
with a recording component.
This is not malfunction.
—
A source cannot be
recorded by an
analog component
connected to the
AUDIO OUT (REC)
jacks.
The source component is not connected to
the analog AUDIO IN jacks of this unit.
Connect the source component to the analog AUDIO
IN jacks.
The sound field
parameters and some
other settings of this
unit cannot be
changed.
“MEMORY GUARD” in “OPTION
MENU” is set to “ON”.
Set “MEMORY GUARD” to “OFF”.
This unit does not
operate properly.
The internal microcomputer has been
frozen by an external electric shock (such
as lightning or excessive static electricity)
or by a power supply with low voltage.
Disconnect the power cable from the AC wall outlet
and then plug it in again after about 30 seconds.
—
No sound is heard
from the connected
HDMI component.
The HDMI component does not accept the
multi-channel audio signals.
Convert the multi-channel audio signals to the 2-
channel audio signals at the source component such
as a DVD player.
—
“CHECK SP WIRES”
appears in the front
panel display.
Speaker cables are short-circuited.
Make sure all speaker cables are connected correctly.
There is noise
interference from
digital or radio
frequency equipment.
This unit is too close to the digital or high-
frequency equipment.
Move this unit further away from such equipment.
—
The picture is
disturbed.
The video source uses scrambled or
encoded signals to prevent dubbing.
This in not malfunction.
—
This unit suddenly
enters the standby
mode.
The internal temperature is too high and
the overheat protection circuitry has been
activated.
Wait about 1 hour for this unit to cool down and then
turn it back on.
—
01EN_DSP-AX463_B.book Page 66 Friday, February 1, 2008 2:09 PM