Bedienungsanleitung Onkyo TX-DS494 (Seite 34 von 36) (Englisch)

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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 TX-DS494 to

make sure that it is not due to a malfunction (or worn out batteries)

in the remote controller.

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 10-17).

• 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).

• Headphones are connected.

➞ Lower volume and then disconnect headphones (page 8).

SPEAKERS

No sound from the center speaker, or very minimal

sound.

• Speaker cable is not corrected.

➞ Check the connection between the TX-DS494 and the

speaker (page 17).

• 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 26-28).

• 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, low-frequency noise.

• Poor or no input ground.

➞ Check outer conductor of input plugs (pages 10-15).

• Poor or no phono motor ground.

➞ Check for proper ground connection (page 13).

• The placement of the audio connection cables on the rear panel

is incorrect.

➞ Adjust the placement of the cable to reduce hum.

Howling when the volume is turned up.

• Turntable and speakers are too close together.

➞ Move them farther apart.

Rough or scratchy sound. High range is not clear.

• Stylus of turntable pick-up is worn.

➞ Replace.

• Turntable stylus tip is dirty.

➞ Clean.

• 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 10-15).

Picture and sound do not match.

• Improper connection.

➞ Check connections (pages 10-15).

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 10-15).

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