Onkyo TX-SR601 Owner Manual - Page 75

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-SR701/ 701E/601/601E 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 the power cord (see page 28). • External noise is affecting the internal microcomputer. © Turn off the power, wait five seconds, and then turn back on the power. • Internal fuse is blown. © Contact your Onkyo Service Center. Power turns on but no sound. • "Muting" is displayed. © Press the MUTING button on the remote controller to turn off muting (see page 45). • Bad connections or wiring. © Check connections, speaker cables, and other wiring (see pages 16-27). • Amplifier protection circuitry is activated. © Contact your Onkyo Service Center. Sound of playback source is not heard. • Input selector is not set properly. © Set to correct input source. • Headphones are connected. © Lower volume and then disconnect headphones. Power shuts off immediately after power on. • Amplifier protection circuitry is activated. © Remove the power cord from the outlet immediately. Contact your Onkyo service center. SPEAKERS No sound from the center speaker, or at very low volume. • Speaker cable is not connected. © Check the connection between amplifier and speaker (see page 27). • Listening mode is set to Stereo, Pure Audio (TX-SR701/701E only), or Direct. © Set the Listening mode to any mode other than Stereo or Direct. The output to the center speaker may differ depending on the listening mode. • Center speaker volume is set to minimum. © Set the center speaker level to the appropriate volume (see page 34). • The Center setting is set to "None." © Set the Center setting to "Large" or "Small" at "Speaker Config" (see page 31). No sound or very low volume from subwoofer. • Subwoofer setting is set to "No." © Set the Subwoofer setting to "Yes" at "Speaker Config" (see page 32). • Subwoofer volume is set to minimum. © Set the subwoofer level to the appropriate volume (see page 34). Low frequency humming is heard. • Turntable motor is not properly grounded. (TX-SR701/701E only) © Check for proper ground connection. • Audio connection cables on the rear panel are connected incorrectly. © Adjust the placement of the cable to reduce hum. Howling is heard when the volume is turned up. (TXSR701/701E only) • Turntable and speakers are located too close together. © Move them farther apart. Rough or scratchy sound is heard. High range is not clear. • Turntable needle is dirty or worn (TX-SR701/701E only), or a problem exists with a connected component. © Refer to the instruction of the connected components and check for problem. • Treble control is too high. © Turn treble setting down at Audio Adjust → Treble (see page 57). FM/AM TUNER AM stations cannot be received. • AM loop antenna is not connected. © Connect the included AM loop antenna to the AM antenna terminals (see page 29). 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 30). Noise is heard at high-pitched sounds on AM stations. • Noise caused by TV set. © Place the AM loop antenna as far as possible from the TV. © Move TX-SR701/701E/601/601E away from TV set. Crackling noise on both AM and FM stations. • Noise caused by fluorescent lamp being turned on and off. © Move antenna as far as possible from the fluorescent lamp. • Noise from automobile ignition. © Install an FM outdoor antenna as far as possible from the road (see page 30). © Change the position or direction of the outdoor antenna. 75