Troubleshooting - Yamaha RX-V750 Owner's Manual

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
The power cord is not connected or the
on when STANDBY/ plug is not completely inserted.
ON (or SYSTEM
The impedance setting is incorrect.
POWER) is pressed,
or enters in the
The protection circuitry has been
standby mode soon
activated.
after the power has
been turned on.
This unit has been exposed to a strong
external electric shock (such as lightning
and strong static electricity).
On-screen display The setting for the on-screen display is set
does not appear.
to "DISPLAY OFF".
The GRAY BACK setting under "3
OPTION MENU" on the SETUP MENU
is set to OFF, and no video signal is
currently being received.
No sound Incorrect input or output cable
connections.
INPUT MODE is set to DTS or
ANALOG.
No appropriate input source has been
selected.
Speaker connections are not secure.
The front speakers to be used have not
been selected properly.
The volume is turned down.
The sound is muted.
The INPUT MODE is set to ANALOG
while playing a source encoded with a
DTS signal.
The signals this unit cannot reproduce are
being received from a source component
e.g.: a CD-ROM.
No picture
The output and input for the picture are
connected to different types of video
jacks.
80
TROUBLESHOOTING
Cause
Connect the power cord firmly.
Set the impedance to match your speakers.
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 use
it normally.
Select the full display or short display mode.
Set Gray BACK to Auto to always show the OSD.
Connect the cables properly. If the problem persists,
the cables may be defective.
Select AUTO.
Select an appropriate input source with INPUT,
MULTI CH INPUT or the input selector buttons.
Secure the connections.
Select the front 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.
Set the INPUT MODE to AUTO or DTS.
Play a source whose signals this unit can reproduce.
Turn on the video conversion function.
Remedy
Refer to
page
—
24
13—15
—
49
61
17—20
36
30
13
30
—
31
36
—
61