To Next PageTo Next PageWhat 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 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.
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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