Troubleshooting guide
If a problem occurs while you are using the remote controller, first try to operate the front panel controls on the main unit to make sure that it is not due to a malfunction (or worn out batteries) in the remote controller.
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No power. |
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| • Power cord is disconnected. | • Connect power cord. | 11 | ||
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| • There is external noise in the computer cir- | • Turn the power button off and then on again | 11 |
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| cuits of this unit. | or remove the AC plug from the outlet and |
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| • AC fuse blown. | then plug it again. |
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| • Contact your Onkyo Service Center. | – | |
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Power on but no sound. | • MUTING indicator is lit. | • Press the MUTING button on the remote con- | 19 | ||||
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| • Bad connections. | troller to turn it off. |
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| • Check connections, speaker leads, etc. | 10 | |
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| • Amplifier protection circuitry has been acti- | • Contact your Onkyo Service Center. | – |
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| vated. (‘PROTECT’ will be displayed.) |
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No sound from the center | • Speaker cable is not corrected. | • Check the connection between the amplifier | 10 | ||||
speaker, | or | very | minimal | • Surround mode is set to Orchestra, | and the speaker. |
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sound. |
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| • If Surround mode is set to Orchestra, | 21 | ||
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| Unplugged, 5ch Stereo. | Unplugged, or 5ch Stereo, the center speaker |
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| • CENTER level is set to minimum. | outputs only the effect sound. |
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| • Set the CENTER level to the appropriate vol- | 16 | |
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| • CENTER SPEAKER is set to NONE. | ume. |
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| • Set CENTER SPEAKER to LARGE or | 15 | |
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Hum, | • Poor or no input ground. | • Check outer conductor of input plugs. | 6 | ||||
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| • Poor or no phono motor ground. | • Check for proper ground connection. | 6 |
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| • The placement of the audio connection cables | • Adjust the placement of the cable to reduce | – |
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| on the rear panel is incorrect. | hum. |
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Howling when the volume is | • Turntable and speakers are too close | • Move them farther apart. | – | ||||
turned up. |
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Rough | or | scratchy | sound. | • Stylus of turntable | • Replace. |
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High range is not clear. | • Turntable stylus tip is dirty. | • Clean. | – | ||||
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| • Treble control too high. | • Turn treble control down. |
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AM | stations cannot be | • AM loop antenna is not attached. | • Connect the included AM loop antenna to the | 13 | |||
received. |
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| AM antenna terminals. |
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Buzzing noise on AM (particu- | • Noise from electrical apparatus such as fluo- | • Move the AM loop antenna to different posi- | 13 | ||||
larly conspicuous at night or | rescent lamp. | tion. |
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with weak stations). |
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| • Set up an outdoor AM antenna. | 13 | |||
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• Noise from TV set. | • Place the AM loop antenna as far as possible | 13 | |||||
noise on AM. |
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| from the TV. |
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| • Move unit away from TV set. | – |
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Crackling noise on AM, FM. | • Noise caused by turning fluorescent lamp on | • Move antenna as far as possible from the flu- |
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| and off. | orescent lamp. |
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| • Noise from automobile ignition. | • Install an FM outdoor antenna as far as possi- | 13 |
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| ble from the road. |
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| • Change the position or direction of the out- |
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| door antenna. |
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TUNED and STEREO indica- | • Station is too strong. | • Change to FM indoor antenna. | 12 | ||||
tors light but sound is distorted | • Multiple reflection of the radio waves because | • Use antenna which has better directivity and | 13 | ||||
and stereo separation is bad. | of tall buildings or mountains. | select a point where the distortion is least. |
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TUNED and STEREO indica- | • Station is too weak. | • Install an outdoor FM antenna. | 13 | ||||
tors flicker and hiss is heard | • Stereo FM broadcasts cover only about half | • Change the position or direction of the out- |
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on FM. |
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| the distance of an ordinary broadcast. | door antenna. |
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No station is recalled. |
| • The power cord has been unplugged or the | • The memory contents are lost. Store all sta- | 24 | |||
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| POWER switch has been turned off for a long | tions again. |
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Front | panel | controls | function | • No batteries in remote controller. | • Insert batteries. | 5 | |
but remote controller does not. | • Batteries have worn out. | • Replace batteries. | 5 | ||||
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The sound of the playback | • The input selector is not set properly. | • Set it to the playback source. | 17 | ||||
source is not heard. |
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Also refer to the respective instruction manuals of the video disc player, video cassette recorder, TV monitor, etc., that compose your enter- tainment system.
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