Onkyo TX-SV313 Owner Manual - Page 15

Troubleshooting guide Trouble Cause Remedy No power. • Power cord is disconnected. • There is external noise in the corn- puter circuits of the TX-SV313PRO. • AC fuse blown. • Connect power cord. • Turn the power button off and then on again or remove the AC plug from the outlet and then ' plug it again. • Contact your ONKYO service center. Power but no sound. • Tape monitor switch on. • Audio muting switch on. • Bad connections. • Amplifier protection circuitry has been activated. • Switch to off. • Switch to off by remote control transmitter • Check connections, speaker leads, etc. • Contact your ONKYO service center. Hum, low-frequency noise. • Poor or no input ground. • Poor or no phono motor ground. • The placement of the audio connec- tion cable on the rear panel is not correctly adjt.isted. • Check outer conductor of input plugs. • Check for proper ground connection. • Adjust the placement of the cable to reduce hum. ..Howling when the volume is turned up. V Rough or scratchy sound. High range is not clear. • Turntable and speakers are too close together. • Stylus of pick-up is worn. • Stylus tip is dirty. • Treble control too high. • Move them farther apart. • Replace. • Clean. • Turn treble control down. AM stations cannot be received. • AM loop antenna is not attached. • Connect the included AM loop antenna to the AM antenna terminals. Buzzing noise on AM (particularly con- • Noise from electrical apparatus such • Move AM loop antenna to different position. spicuous at night or with weak stations). as fluorescent lamp. • Set up outdoor AM antenna. High-pitched noise or buzzing noise on TV. Crackling noise on AM, FM. vi stereo indicator lights but sound is distorted and stereo separation is bad. • Noise from TV set. • Noise caused by turning fluorescent lamp on and off. • Noise from automobile ignition. • Station is too strong. • Multiple reflection of the radio waves because of tall buildings or mountains. • Place the AM loop antenna as far as possible from the TV. • Move unit away from TV set. 1 • Move antenna as far as possible from the fluo- rescent lamp. • Install an FM outdoor antenna as far as possi- ble from the road. • Change the position or direction of the outdoor antenna. • Change to T-shaped antenna. • Use antenna which has better directivity and select a point where the distortion is least. FM Signal Strength indicators and stereo indicator flicker and hiss is heard on FM. • Station is too weak. • Stereo FM broadcasts cover only about half the distance of an ordinary broadcast. • Install an outdoor FM antenna. • Change the position or direction of the outdoor antenna. No station is recalled when a preset key • The power cord has been unplugged • The memory contents are lost. Store all sta- is pressed. for a long time. tions again. Front panel controls function but remote control transmitter does not. • No batteries in remote control transalter. • Batteries have worn out. • Insert batteries. • Replace batteries. Also refer to the respective instruction manuals of the video disc player, video cassette recorder, TV monitor, etc., being used. The tuning steps by which the tuned frequency changes on each band have been set at the factory to the proper value for the country where each unit is to be sold. If you use the unit in a country where a different tuning step is required or if the broadcast frequencies in your country change so that you can not tune in radio stations precisely, contact your authorized ONKYO Service Center. NOTES: • This device employs a microcomputer to perform various operations. If interference generated by an external power supply, radio waves, or other electrical source results in an accident which causes the specified operations and functions to operate abnormally, to perform ii reset please follow the procedure below. 1. Press and hold down the MEMORY button, then press the POWER button. 2. The "TEST" indicator will light up for approximately 3 seconds. 3. Unplug the AC cord while the "TEST" indicator is lit. "CLEAR" will appear on the display. All preset memory will be initialized. • If a problem occurs, first operate the unit using the front panel controls to confirm that it is not due to a malfunction (or worn out batteries) of the remote control transmitter. - 14-