Why do the TUNED and STEREO indicators flicker with hiss on my Onkyo Receiver?
If the TUNED and STEREO indicators on your Onkyo Receiver flicker and you hear a hiss on FM, it could be due to: * A weak station signal. Try installing an outdoor FM antenna. * Stereo FM broadcasts having a shorter range. Adjust the position or direction of the outdoor antenna.
Why are no stations recalled on my Onkyo TX-DS575X Receiver?
If no station is recalled on your Onkyo Receiver, the power cord may have been unplugged, or the POWER switch turned off for a long time, resulting in memory loss. Store all stations again.
Why is my Onkyo TX-DS575X howling when the volume is up?
If you experience howling when the volume is turned up on your Onkyo Receiver, the turntable and speakers may be too close together. Move them farther apart.
How to stop high-pitched noise on AM on my Onkyo TX-DS575X?
If you're getting a high-pitched or buzzing noise on AM with your Onkyo Receiver: * It could be noise from a TV set. Place the AM loop antenna as far as possible from the TV. * Move the unit away from the TV set.
Why does my Onkyo TX-DS575X Receiver have a rough or scratchy sound?
If you're experiencing rough or scratchy sound and the high range isn't clear on your Onkyo Receiver: * The stylus of the turntable pick-up may be worn. Replace it. * The turntable stylus tip might be dirty. Clean it. * The treble control could be too high. Turn the treble control down.
Why is the sound distorted on my Onkyo Receiver when the TUNED and STEREO indicators are on?
If the TUNED and STEREO indicators are lit on your Onkyo Receiver, but the sound is distorted and stereo separation is poor: * The station may be too strong. Try changing to an FM indoor antenna. * Multiple reflections of radio waves might be occurring due to tall buildings or mountains. Use an antenna with better directivity and select a point where the distortion is least.
How to reduce hum or low-frequency noise on Onkyo Receiver?
If you're experiencing hum or low-frequency noise with your Onkyo Receiver: * Check the outer conductor of input plugs for poor or no input ground. * Check for a proper ground connection for poor or no phono motor ground. * Adjust the placement of the audio connection cables on the rear panel to reduce hum.
What causes crackling noise on AM/FM on my Onkyo TX-DS575X?
If you're hearing crackling noises on AM or FM with your Onkyo Receiver: * It could be noise from a fluorescent lamp being turned on and off. Move the antenna as far as possible from the lamp. * It might be noise from automobile ignition. Install an FM outdoor antenna as far as possible from the road. * Try changing the position or direction of the outdoor antenna.
How to eliminate buzzing noise on AM on my Onkyo TX-DS575X?
If you're experiencing a buzzing noise on AM with your Onkyo Receiver, especially at night or with weak stations: * It could be noise from electrical apparatus like a fluorescent lamp. Try moving the AM loop antenna to a different position. * Consider setting up an outdoor AM antenna.
What to do if my Onkyo Receiver has power but no sound?
If your Onkyo Receiver powers on but produces no sound, there might be several reasons: * The MUTING indicator might be on. If so, press the MUTING button on the remote controller to turn it off. * The digital/analog input setting could be incorrect. Ensure you've selected the correct input. * There may be bad connections. Check all connections and speaker leads. * The amplifier protection circuitry may have been activated, indicated by a flashing STANDBY indicator. In this case, contact your Onkyo Service Center.
Technical specifications for the audio amplification circuitry.
Technical specifications related to video signal processing and I/O.
Essential safety verification steps required before customer return.
Procedure to adjust the amplifier's idling current using trimming resistors.
Steps to verify the correct operation of speaker relay and DC detection circuits.
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