Yamaha HTR-5940 AV User Manual
Page 98
94
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.
—
“INPUT MODE” is set to “ANALOG”.
Set “INPUT MODE” to “AUTO” or “DTS”.
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.
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.
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 “SET 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.
—
“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 unit suddenly
enters the standby
mode.
The internal temperature becomes 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.
—