Yamaha RX-V2500 Owner's Manual page 99

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 on
The input mode is set to "ANALOG".
the front panel
display does not light
up.)
A "humming" sound
Incorrect cable connections.
can be heard.
No connection from the turntable to the
GND terminal.
The volume level is The record is being played on a turntable
low while playing a
with an MC cartridge.
record.
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.
A source cannot be The source component is not connected to
recorded by a digital this unit's DIGITAL INPUT jacks.
recording component
Some components cannot record the
connected to this
Dolby Digital or DTS sources.
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 is set to "Guard".
parameters and some
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 on the front
panel display.
There is noise This unit is too close to the digital or
interference from radio-frequency equipment.
digital or radio-
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.
Connect the grounding cord of your turntable to the
GND terminal of this unit.
The turntable should be connected to this unit through
an MC-head amplifier.
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 "Free".
Disconnect the AC power cable 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 for about 1 hour until this unit cools down and
then turn it back on.
TROUBLESHOOTING
Remedy
Refer to
page
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39
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21
21
—
17–21
17–21
67
—
13
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—
97