Yamaha HTR-5750 Owner's Manual page 65

Problem
Dolby Digital or DTS
The connected component is not set to
sources cannot be output Dolby Digital or DTS digital
played. (Dolby Digital
signals.
or DTS indicator in
The input mode is set to ANALOG.
the front panel
display does not light
up.)
A "humming" sound
Incorrect cable connections.
can be heard.
The volume level
The component connected to the OUT
cannot be increased, (REC) jacks of this unit is turned off.
or the sound is
distorted.
The sound effect It is not possible to record the sound effect
cannot be recorded.
with a recording component.
[ HTR-5750 ] The source component is not connected to
this unit's DIGITAL INPUT jacks.
A source cannot be
recorded by a digital
Some components cannot record the
recording component
Dolby Digital or DTS sources.
connected to this
DIGITAL OUTPUT
jack.
A source cannot be
The source component is not connected to
recorded by an this unit's analog AUDIO IN jacks.
analog component
connected to the
AUDIO OUT jacks.
The sound field
"MEMORY GUARD" in SET MENU is
parameters and some set to ON.
other settings on this
unit cannot be
changed.
This unit does not The internal microcomputer has been
operate properly. frozen by an external electric shock (such
as lightning or excessive static electricity)
or by a power supply with low voltage.
"CHECK SP WIRES"
Speaker cables are short circuited.
appears in the front
panel display.
There is noise This unit is too close to the digital or high-
interference from frequency equipment.
digital or high-
frequency equipment,
or this unit.
The picture is The video source uses scrambled or
disturbed. encoded signals to prevent dubbing.
This unit suddenly The internal temperature becomes too
turns into the standby high and the overheat protection circuitry
mode. has been activated.
Cause
Make an appropriate setting following the operations
instructions for your component.
Set the input mode to AUTO or DTS.
Firmly connect the audio plugs. If the problem
persists, the cables may be defective.
Turn on the power to the component.
Connect the source component to the DIGITAL
INPUT jacks.
Connect the source component to the analog AUDIO
IN jacks.
Select OFF.
Disconnect the AC power cord from the outlet and
then plug it in again after about 30 seconds.
Make sure all speaker cables are connected correctly.
Move this unit further away from such equipment.
Wait about 1 hour for this unit to cool down and then
turn it back on.
TROUBLESHOOTING
Remedy
Refer to
page
—
31
—
—
13-17, 38
13-17, 38
49
—
11
—
—
61