Onkyo R-805X Stereo Amplifier User Manual


 
44
Troubleshooting
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 Cause Remedy
The unit doesn’t turn
on.
The AC power cord is not fully
inserted into the wall outlet.
Insert the AC power cord (mains
lead) plug into the wall outlet
(the mains) securely.
Sound is reproduced
from neither left or
right speaker.
The wire of the speaker cord is
touching the other jacks, con-
nectors, or metal parts.
The volume level is turned
down to the minimum.
The sound is muted with the
muting function.
The headphones are connected
to the PHONES jack.
Jumper plugs are not con-
nected to the PROCESSOR con-
nectors.
Check the speaker connections
(see page 16).
Adjust the volume level (see
page 26).
Press MUTING button on the
remote controller to restore the
sound (see page 28).
Turn down the volume level
first, then disconnect the head-
phones. Then, readjust the vol-
ume level.
Connect the jumper plugs to
PROCESSOR connectors.
Sound is reproduced
from only one speaker.
• The speaker cord is not con-
nected properly or firmly, or is
disconnected.
Jumper plug is not connected
to the PROCESSOR connectors.
Check the speaker connections
(see page 16).
Connect the jumper plug to
PROCESSOR connectors.
No sound is repro-
duced when the
(wake-up) timer oper-
ates.
The volume level is turned
down to the minimum.
Adjust the volume to the proper
level when you set the timer
(see page 26).
The remote control
doesn’t operate.
The batteries in the remote
controller are dead.
The remote controller is out of
the control range.
There is some obstruction
between the remote controller
and the unit.
Replace the batteries with new
ones (see page 21).
• Operate the remote controller
within the control range (see
page 21).
Try to operate the remote con-
troller from a different angle, or
remove the obstruction.