Troubleshooting guide – Onkyo ED-901 User Manual
Page 14
14
Troubleshooting Guide
• No power.
Cause:
Power cord is not plugged in or is not com-
pletely
inserted.
Remedy:
Firmly plug in the power cord.
• No Sound.
Cause:
Incorrect cord connections.
Remedy:
Connect the cord properly.
Cause:
Wrong input selector.
Remedy:
Select the proper input.
Cause:
Wrong position of coaxial/optical selector.
Remedy:
Select the proper position.
Cause:
Wrong input mode selection on the receiver.
Remedy:
Select the proper mode on the receiver.
• No Sound from Center or Surround Speakers.
Cause:
Wrong OUTPUT CH. MODE selection.
Remedy:
Put on the OUTPUT CH. MODE
indicator for
the
speaker.
• No Sound from Subwoofer.
Cause:
No Subwoofer is selected on the receiver.
Remedy:
Select Subwoofer on the receiver.
• Low Frequency Noise, Hum.
Cause:
Incorrect audio cord connection.
Remedy:
Firmly connect audio cords.
• Poor Bass Sound.
Cause:
LFE LEVEL setting is -10dB.
Remedy:
Put off the LFE LEVEL indicator.
• The Difference of Sound Level between Channels.
Cause:
Incorrect volume level adjustment on the
receiver.
Remedy:
Adjust volume level for each Channel
properly.
• Noise from/to nearby TV or Tuner.
Cause:
This unit is too close to the affected equipment.
Remedy:
Move this unit or the affected equipment
far
from each other.