Yamaha RX-V1800 User Manual
Page 127
123
En
Troubleshooting
AD
DITIONAL
INFO
RMA
T
ION
English
No sound is heard
from the surround
back speakers.
“SUR. L/R SP” in “SET MENU” is set to
“NONE” and “SUR.B L/R SP” is
automatically set to “NONE”.
Set “SUR. L/R SP” and “SUR.B L/R SP” to a setting
other than “NONE”.
“SUR.B L/R SP” in “SET MENU” is set
to “NONE”.
Set “SUR.B L/R SP” to a setting other than “NONE”.
The audio input
sources cannot be
played in the desired
digital audio signal
format (Desired input
source indicator or
decoder indicator in
the front panel
display does not light
up).
The connected component is not set to
output the desired digital audio signals.
Make an appropriate setting following the operating
instructions for your component.
—
Audio input jack select is set to
“ANALOG”.
Set the 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.
—
No connection from the turntable to the
GND terminal.
Connect the grounding cable of the turntable to the
GND terminal of this unit.
The volume level is
low while a record is
being played.
The record is being played on a turntable
with an MC cartridge.
Connect your turntable to this unit through an MC-
head amplifier.
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 a digital
recording component
connected to the
DIGITAL OUTPUT
jack.
The source component is not connected to
the DIGITAL INPUT jacks of this unit.
Connect the source component to the DIGITAL
INPUT jacks.
Some components cannot record Dolby
Digital or DTS sources.
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.
Problem
Cause
Remedy
See
page