Onkyo TX-NR801 Owner Manual - Page 90

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-NR801/TX-NR801E to make sure that it is not due to a malfunction (or dead batteries) in the remote controller. POWER Symptoms Causes Remedies Power cord is disconnected. Connect power cord (See page 27). No power. External noise is affecting the internal microcomputer. Turn off the power, wait five seconds, and then turn the power back on (See page 27). Power turns on but no sound. "Muting" is displayed. Bad connections or wiring. Press the MUTING button on the remote controller to turn off muting (See page 39). Check connections, speaker cables, and other wiring (See pages 18 to 26). Input selector is not set properly. Sound of playback source is not heard. Headphones are connected. Set to correct input source (See page 39). Lower volume and then disconnect headphones (See page 39). Power shuts off immediately after power on. Amplifier protection circuitry is activated. Remove the power cord from outlet immediately. Contact your Onkyo service center. Speaker cable is not connected. Check the connection between TX-NR801/ TX-NR801E and speaker (See page 18). No sound from the center speaker, or at very low volume. Listening mode is set to Stereo, Pure Audio or Direct. Center speaker volume is set to minimum. Set the Listening mode to any mode other than Stereo, Pure Audio or Direct. The output to the center speaker may differ depending on the listening mode (See page 42). Set the center speaker level to the appropriate volume (See pages 34, 35). The Center setting is set to "None." Set the Center setting to "Large" or "Small" at Setup Menu → Speaker Setup Menu → Speaker Config Sub-menu (See page 33). No sound or very low volume from subwoofer. Subwoofer setting is set to "No." Subwoofer volume is set to minimum. Set the Subwoofer setting to "Yes" at Setup Menu → Speaker Setup Menu → Speaker Config Submenu (See page 33). Set the subwoofer level to the appropriate volume (See pages 34, 35). Not properly grounded. Check outer conductor of input plugs. 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 cables to reduce hum. Howling is heard when the Turntable and speakers are located too volume is turned up. close together. Move them farther apart. Rough or scratchy sound is heard. High range is not clear. Turntable needle is dirty or worn, or a problem exists with a connected component. Treble control is too high. Refer to the instructions of the connected components and check for problems. Turn treble setting down at Setup Menu → Audio Adjust Menu → Tone Control Sub-menu (See page 54). AM stations cannot be received. AM loop antenna is not connected. Connect the included AM loop antenna to the AM antenna terminals (See page 14). 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 15). Noise is heard at highpitched sounds on AM sta- Noise caused by TV set. tions. Place the AM loop antenna as far as possible from the TV. Move TX-NR801/TX-NR801E away from TV set. SPEAKERS FM/AM TUNER 90