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 the power cord (see page 28).
•External noise is affecting the internal microcomputer.
➞Turn off the power, wait five seconds, and then turn back on the power.
•Internal fuse is blown.
➞Contact your Onkyo Service Center.
Power turns on but no sound.
•“Muting” is displayed.
➞Press the MUTING button on the remote controller to turn off muting (see page 45).
•Bad connections or wiring.
➞Check connections, speaker cables, and other wiring (see pages
•Amplifier protection circuitry is activated.
➞Contact your Onkyo Service Center.
Sound of playback source is not heard.
•Input selector is not set properly.
➞Set to correct input source.
•Headphones are connected.
➞Lower volume and then disconnect headphones.
Power shuts off immediately after power on.
•Amplifier protection circuitry is activated.
➞Remove the power cord from the outlet immediately. Contact your Onkyo service center.
SPEAKERS
No sound from the center speaker, or at very low volume.
•Speaker cable is not connected.
➞Check the connection between amplifier and speaker (see page 27).
•Listening mode is set to Stereo, Pure Audio
➞Set the Listening mode to any mode other than Stereo or Direct. The output to the center speaker may differ depending on the listening mode.
•Center speaker volume is set to minimum.
➞Set the center speaker level to the appropriate volume (see page 34).
•The Center setting is set to “None.”
➞Set the Center setting to “Large” or “Small” at “Speaker Config” (see page 31).
No sound or very low volume from subwoofer.
•Subwoofer setting is set to “No.”
➞Set the Subwoofer setting to “Yes” at “Speaker Config” (see page 32).
•Subwoofer volume is set to minimum.
➞Set the subwoofer level to the appropriate volume (see page 34).
Low frequency humming is heard.
•Turntable motor is not properly grounded.
➞Check for proper ground connection.
•Audio connection cables on the rear panel are connected incorrectly.
➞Adjust the placement of the cable to reduce hum.
Howling is heard when the volume is turned up. (TX- SR701/701E only)
•Turntable and speakers are located too close together. ➞ Move them farther apart.
Rough or scratchy sound is heard. High range is not clear.
•Turntable needle is dirty or worn
➞Refer to the instruction of the connected components and check for problem.
•Treble control is too high.
➞Turn treble setting down at Audio Adjust → Treble (see page 57).
FM/AM TUNER
AM stations cannot be received.
•AM loop antenna is not connected.
➞Connect the included AM loop antenna to the AM antenna terminals (see page 29).
Buzzing noise on AM stations (particularly noticeable at night or with weak stations).
•Noise from electrical apparatus such as fluorescent lamp.
➞Move the AM loop antenna to different position.
➞Set up an outdoor AM antenna (see page 30).
Noise is heard at high-pitched sounds on AM stations.
•Noise caused by TV set.
➞Place the AM loop antenna as far as possible from the TV.
➞Move
Crackling noise on both AM and FM stations.
•Noise caused by fluorescent lamp being turned on and off.
➞Move antenna as far as possible from the fluorescent lamp.
•Noise from automobile ignition.
➞Install an FM outdoor antenna as far as possible from the road (see page 30).
➞Change the position or direction of the outdoor antenna.
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