Yamaha RX-V630RDS - Manuale (Pagina 56)

54
TROUBLESHOOTING
Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed
below or if the instruction below does not help, set this unit to the standby mode, disconnect the power cord, and contact
the nearest authorized YAMAHA dealer or service center.
■ General
Problem
This unit fails to turn
on when STANDBY/
ON (or SYSTEM
POWER) is pressed,
or enters in the
standby mode soon
after the power has
been turned on.
No sound.
The picture does not
appear.
Cause
The power cord is not connected or the
plug is not completely inserted.
The IMPEDANCE SELECTOR switch
on the rear panel is not fully set to either
the left or right position.
The protection circuitry has been
activated.
This unit has been exposed to a strong
external electric shock (such as lightning
and strong static electricity).
Incorrect input or output cable
connections.
An appropriate input source has not been
selected.
The speaker connections are not secure.
The main speakers to be used have not
been selected properly.
The volume is turned down.
The sound is muted.
Digital signals which this unit cannot
reproduce are being input to this unit by
playing a CD-ROM, etc.
The output and input for the picture are
connected to different types of video
jacks.
Remedy
Firmly connect the power cord.
Set the switch fully to the left or right position when
this unit is in the standby mode.
Make sure all speaker wire connections on this unit
and on all speakers are secure and that the wire for
each connection does not touch anything other than
its respective connection.
Set this unit in the standby mode, disconnect the
power cord, plug it back in after 30 seconds, then
start operating.
Connect the cables properly. If the problem persists,
the cables may be defective.
Select an appropriate input source with INPUT
l
/ h or 6CH INPUT (or the input selector buttons).
Secure the connections.
Select the main speakers with SPEAKERS A and/or
B.
Turn up the volume.
Press MUTE or any operation buttons of this unit to
cancel a mute and adjust the volume.
Play a source whose signals this unit can reproduce.
Make connections using the same type of video
jacks (S VIDEO, VIDEO (composite), or
COMPONENT VIDEO) for both the input and
output.
Refer
to page
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12
10, 11
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10 – 16
23
10, 11
23
24
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14, 15
0110V630_54-60_EN(GB) 1/11/02, 7:43 PM 54