Troubleshooting guide
If a problem occurs while you are using the remote controller, first try to operate the controls on the front panel of the
POWER
No power.
•Power cord is disconnected.
➞Connect power cord (page 20).
•There is external noise in the computer circuits of this unit.
➞Remove the AC plug from the outlet and then plug it again (page 20).
•AC fuse blown.
➞Contact your Onkyo Service Center.
Power on but no sound.
•MUTING indicator flashes.
➞Press the MUTING button on the remote controller to turn it off (page 23).
•Bad connections.
➞Check connections, speaker leads, etc (pages
•Amplifier protection circuitry has been activated. (“PROTECT” will be displayed.)
➞Contact your Onkyo Service Center.
•Input selector is not set properly.
➞Set to correct input source (page 22).
SPEAKERS
No sound from the center speaker, or very minimal sound.
•Speaker cable is not corrected.
➞Check the connection between the
•Listening mode is set to STEREO or ORCHESTRA.
➞If listening mode is set to STEREO or ORCHESTRA, the center speaker outputs only the effect sound (pages
•Speaker configuration is set to 2 ch or 4 ch.
➞Set the speaker configuration to the 3 ch or 5 ch (page 21).
No sound or very low volume from subwoofer.
•Subwoofer mode is set to “OFF”.
➞Check the subwoofer mode setting (page 21).
•Subwoofer mode setting is improper.
➞Check the subwoofer mode setting (page 21).
Hum,
•Poor or no input ground.
➞Check outer conductor of input plugs (pages
•The placement of the audio connection cables on the rear panel is incorrect.
➞Adjust the placement of the cable to reduce hum.
Rough or scratchy sound. High range is not clear.
•Treble control too high.
➞ Turn treble control down (page 8).
VIDEO and AUDIO
Desired picture does not appear.
•Improper connection.
➞Check the connection again. Insert the plugs and connectors completely (pages
Picture and sound do not match.
•Improper connection.
➞ Check connections (pages
No picture appears on the TV screen (or monitor).
•TV (or monitor) is not set to receive the output signals from the receiver.
➞Set the TV (or monitor) to the receiver input.
•Video cable is not connected securely.
➞Check connections (pages
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