Onkyo A-905TX - Manual (Page 23)

23
Operation
Other Information
Befor
e using
Pr
eparations
Connections
If you have any problems with the unit, please check the troubleshooting table below first. For any
problems not covered in the table, please consult your nearest ONKYO authorized service center.
Symptom
The unit doesn’t turn on.
Sound is reproduced from
neither left or right speaker.
Sound is reproduced from
only one speaker.
No sound is reproduced
when the (wake-up) timer
operates.
The remote control doesn’t
operate.
Remedy
Insert the AC power cord (mains lead)
plug into the wall outlet (the mains)
securely.
• Check the speaker connections (see
page 15).
• Adjust the volume level (see page
19).
• Press MUTING button on the re-
mote controller to restore the sound
(see page 21).
• Turn down the volume level first,
then disconnect the headphones.
Then, readjust the volume level.
• Connect the jumper plugs to PRO-
CESSOR connectors.
• Check the speaker connections (see
page 15).
• Adjust the sound balance (see page
20).
• Connect the jumper plug to PRO-
CESSOR connectors.
• Adjust the volume to the proper
level when you set the timer (see
page 19).
• Replace the batteries with new ones
(see page 17).
• Operate the remote controller
within the control range (see page
17).
• Try to operate the remote control-
ler from a different angle, or remove
the obstruction.
Troubleshooting
Other Information
Cause
The AC power cord is not fully in-
serted into the wall outlet.
• The wire of the speaker cord is
touching the other jacks, connec-
tors, or metal parts.
• The volume level is turned down
to the minimum.
• The sound is muted with the mut-
ing function.
• The headphones are connected to
the PHONES jack.
• Jumper plugs are not connected to
the PROCESSOR connectors.
• The speaker cord is not connected
properly or firmly, or is discon-
nected.
• The sound is unbalanced between
the left and right speakers.
• Jumper plug is not connected to
the PROCESSOR connectors.
• The volume level is turned down
to the minimum.
• The batteries in the remote control-
ler are dead.
• The remote controller is out of the
control range.
• There is some obstruction between
the remote controller and the unit.
Excessive electrical interference may temporarily render this system's sensitive microcomputer inoper-
able. If this happens, unplug the system for at least five seconds.