
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 microcomputer | • Turn the power button off and then on again | 11 |
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| circuits 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- | 20 | ||||
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| • The digital/analog input setting is incorrect. | troller to turn it off. |
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| • Select the correct input. | 18 | |
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| • Bad connections. | • 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. (STANDBY indicator flashes.) |
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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 | • Listening mode is set to ORCHESTRA or | and the speaker. |
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sound. |
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| • Set the Listening mode to any mode other | 22 | ||
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| STEREO. | than ORCHESTRA or STEREO. |
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| • CENTER level is set to minimum. | • Set the CENTER level to the appropriate volume. | 16 |
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| • CENTER SPEAKER is set to NONE. | • Set CENTER SPEAKER to LARGE or SMALL. | 15 |
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Pressing the ON button on the | • You have not pressed MODE AUDIO button. | • Press the MODE AUDIO button, then press |
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remote controller does not turn on |
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the power to the main unit. |
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The unit or connected device does | • You have not pressed any MODE button. | • Press an appropriate MODE button, then | 31~33 | ||||
not respond to the operation. |
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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. | – | |
High range is not clear. | • Turntable stylus tip is dirty. | • Clean. | – | ||||
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| • Treble control too high. | • Turn treble control down. | 20 |
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AM | stations cannot be | • AM loop antenna is not attached. | • Connect the included AM loop antenna to the | 12 | |||
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 POWER | • The memory contents are lost. Store all sta- | 25 | |||
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| switch has been turned off for a long time. | 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 entertainment system.
Because the unit contains a microcomputer to provide advanced functions, it may malfunction due to external noise or static electricity. If
40 this happens, press the POWER switch on the unit and then press it in again after about five seconds.