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English
INTR
ODUCTION
PREP
ARA
TION
B
ASIC
OPERAIONT
AD
V
ANCED
OPERA
TION
ADDITIONAL
INFORMA
TION
APPENDIX
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
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.
19
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 circuitry 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.
19
16, 17
12 – 15
24
16, 17
25
24
APPENDIX
—
14, 15
19
16, 17
39
12 – 17
25
25
On-screen display
does not appear.
The setting for the on-screen display is set to
“DISPLAY OFF”.
Select the full display or short display mode.
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 is muted.
Press MUTE or any operation buttons to
cancel a mute and adjust the volume.
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.
The picture does not
appear.
The output and input for the video are
connected to different types of video jacks.
Make connections using the same type of
jack (between composites, S-VIDEOs, or
components) for both the input and output.
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.
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.
The sound is muted.
Press MUTE or any operation buttons to
cancel a mute and adjust the volume.
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.
20
The BLUE BACK setting under “9
DISPLAY SET” on the SET MENU is set
to OFF, and no video signal is input to this
unit.
Set BLUE BACK to AUTO to always show
the OSD.
37
0111AX620(GB)_55-62_EN
1/23/1, 9:54 AM
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