Yamaha RX-V420RDS - Manual (Page 48)

46
TROUBLESHOOTING
Refer to the chart below when the 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 in the standby mode, disconnect the power cord and contact the nearest
authorized YAMAHA dealer or service center.
■ General
Problem Cause Remedy
APPENDIX
Refer to
page
The unit fails to turn on
when STANDBY/ON (or
POWER) is pressed, or
enters in the standby
mode soon after the
power has been turned
on. The power cord is not connected or the plug is
not completely inserted. Firmly connect the power cord.
The IMPEDANCE SELECTOR switch on the
rear panel is not fully set to the left or right
position. Set the switch fully to the left or right position
when the unit is in the standby mode.
The protection circuit has been activated. 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.
No sound and/or no
picture. Incorrect input or output cable connections. Connect the cables properly. If the problem
persists, the cables may be defective.
An appropriate input source has not been
selected. Select an appropriate input source with INPUT
l / h or 6CH INPUT (or the input selector
buttons).
The speaker connections are not secure. Secure the connections.
The main speakers to be used have not been
selected properly. Select the main speakers with SPEAKERS A
and/or B.
The volume is turned down. Turn up the volume.
The sound suddenly
goes off. The protection circuit has been activated
because of a short circuit, etc. Check the IMPEDANCE SELECTOR switch is
set to the appropriate position and then turn the
unit back on.
18
18
16, 17
12 – 15
21
16, 17
21
22
—
18
16, 17
42
12 – 17
Digital signals other than PCM audio, Dolby
Digital or DTS signal which this unit cannot
reproduce are being input to this unit by playing
a CD-ROM, etc. Play a source whose signals this unit can
reproduce.
Check the speaker wires are not touching each
other and then turn the unit back on.
The sleep timer has functioned. Turn on the power, and play the source again.
Only the speaker on one
side can be heard. Incorrect cable connections. Connect the cables properly. If the problem
persists, the cables may be defective.
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