Yamaha DSP-AX2 EN - Manual (Page 65)

English
63
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, turn the power off, disconnect the power cord, and contact your dealer or the nearest Yamaha Audio
Products Service Department.
After this unit is exposed to strong external electric shock (such as lightning and large static electricity) or you mishandle the operation of
this unit, it may not function properly. In these cases, turn the power off, unplug the power cord, plug it back in after 30 seconds, and start
operating.
General
Problem
The unit fails to turn on when
STANDBY/ON is pressed, or
returns to standby mode
suddenly soon after the power is
turned on.
Hum
No sound or no picture
No picture
No sound is coming from one
side.
The volume level cannot be
increased very much when
adjusting
VOLUME .
The sound suddenly goes off.
No sound is coming from the
Effect speakers.
No OSD on the video monitor.
Possible Cause
The power cord is not plugged in or is not
completely inserted.
IMPEDANCE SELECTOR on the rear panel
is not set correctly.
The protection circuitry has been activated.
There is a faulty cable connection.
No connection from the turntable to the GND
terminal.
The volume is turned down.
Faulty or incorrect input or output connection.
Incorrect input source.
This unit is set to DTS input mode.
Digital signals other than PCM audio, Dolby
Digital, or DTS encoded signals are input to this
unit by playing a CD-ROM, etc.
The source component is connected to this unit
using an S-video cable, but there is no S-video
connection between this unit and your video
monitor.
There is a faulty cable connection.
MUTE is on.
The component connected to the MD/TAPE
OUT or CD-R OUT jacks of this unit is turned
off.
The protection circuitry has been activated
because of short circuit etc.
The SLEEP timer came on.
The sound is muted.
The effect is off.
A Dolby Surround or DTS decoding sound field
program is being used with material not encoded
with Dolby Surround or DTS.
DISPLAY OFF is selected.
BLUE BACK is OFF at DISPLAY SET.
What to Do
Plug in the power cord securely.
Set the switch completely to either position
(depending on your speakers) while this unit is in
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.
Connect the audio plugs securely. If the problem
persists, the cords may be defective.
Connect the grounding cord of your turntable to the
GND terminal of this unit.
Turn up the volume.
Connect the component correctly. If the problem
persists, the cords may be defective.
Select the appropriate input source with the INPUT
selector.
Press INPUT MODE to select another input mode
Play a source whose signals this unit can reproduce.
Connect this unit’s S VIDEO MONITOR OUT
terminal to the TV’s S-video input terminal or
disconnect the S-video cable from the source
component.
Connect all cables securely. If the problem persists,
the cords may be defective.
Turn VOLUME to minimum, press MUTE to
restore audio, and adjust the volume again.
Turn on the power to the component.
Check that the IMPEDANCE SELECTOR switch
is set to the appropriate position and then turn the
unit back on.
Check that the speaker wires are not touching each
other and then turn the unit back on.
Cancel the SLEEP timer function.
Press MUTE or any operation buttons of this unit to
cancel a mute and adjust the volume.
Press EFFECT to turn on the effect sound.
Select another sound field program.
Select “Full Display” or “Short Display”.
Select “AUTO”.