Onkyo HT-R490 appendix Troubleshooting guide, Power

Page 34

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 HT-R490 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).

SPEAKERS

No sound from the center speaker, or very minimal sound.

Speaker cable is not corrected.

Check the connection between the HT-R490 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).

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 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).

34

Image 34
Contents HT-R490 Important Safeguards AvisPrecautions Features Supplied accessoriesBefore using this unit Using the remote controllerFront panel facilities # $Front panel facilities # FM Mode button = Remote control sensorSW Mode button Tuning /£ buttonsRemote controller Rear panel facilities Digital Input OPTICAL/COAXIAL Remote ControlRear panel facilities Multi Channel InputExample of how to connect your equipment Example of how to connect your equipment Connecting your audio components Connecting a CD playerConnecting a satellite tuner or television Connecting a video cassette recorderConnecting a television monitor or projector DVD Positioning speakers Speaker placementImportant points regarding speaker placement Standard speaker system for reproducing surround soundConnecting speakers Fully insert the stripped end of the cord Connecting antennasExtend the antenna cord Connecting an FM outdoor antenna Connecting antennasConnecting an AM outdoor antenna Directional linkageTurning the power on from the remote controller Connecting the powerConnecting the power Press the STANDBY/ON button to turn on the HT-R490Setting the subwoofer mode Speaker SetupSelecting the speaker configuration Press the Test Tone button to complete adjustmentSelecting a sound source Using Multi Channel InputStart playing the selected input source Selecting a sound source Listening to Radio Broadcasts Memory FM ModePreset 5/∞ Listening to FM/AM radio stationsListening to Radio Broadcasts Presetting a radio stationPress the Memory button to finalize the procedure Tune into the radio station you desireDolby PRO Logic II surround To enjoy Surround modeAnalog/PCM Pulse Code Modulation surround DTS Surround To enjoy Surround modeRelationship between input sources and surround modes Stereo DSP Input SelectorLate Night function During Dolby Digital surround playback, press the DSP buttonCurrently watching or listening to To record the input source signal you areRecording a source Start recording at the recording component as desiredTape Mode Using remote controllerCD Mode Controlling an Onkyo CD playerUsing remote controller Learning a pre-programming code Controlling a DVD player Pre-programming remote controllerWhen entering the code of Onkyo DVD players ModeCode List Pre-programming remote controllerBrand Troubleshooting guide PowerFM/AM Tuner Troubleshooting guideRemote Controller OtherAmplifier Section Tuner Section SpecificationsRemote Control Video Section