Article View: sci.electronics
Article #20723Re: Unidentified noise from my car stereo.
From: Bruce Carlson
Date: Fri, 10 Feb 1989 13:35
Date: Fri, 10 Feb 1989 13:35
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In article <Feb.9.10.32.35.1989.24408@caip.rutgers.edu> wolpert@caip.rutgers.edu (Seth Wolpert) writes: >One of my trusty vehicles, a 1982 Nissan Stanza has a strange noise >coming through the speakers. It's a hum- sounds like a couple of >hundred hertz, with the following symptoms; >The pitch and loudness never vary (i.e. with engine RPMs). >It only occurs when the lights (parking lights, low beams, or >high beams) are turned on. Try varying the brightness of the dash lights and see if the noise varies. My Honda gererates noise from the dash light dimmer if it is set at anything but full brightness. I'm now used to having the panel lights set on full brightness. Bruce Carlson
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arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!lll-lcc!ames!oliveb!pyramid!prls!philabs!linus!gateway.mitre.org!carlsonReferences:
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!lll-lcc!ames!oliveb!pyramid!prls!philabs!linus!gateway.mitre.org!carlson From: carlson@gateway.mitre.org (Bruce Carlson) Newsgroups: sci.electronics,rec.autos.tech Subject: Re: Unidentified noise from my car stereo. Keywords: Hum, Noise, Annoyance Message-ID: <44684@linus.UUCP> Date: 10 Feb 89 13:35:08 GMT References: <Feb.9.10.32.35.1989.24408@caip.rutgers.edu> Sender: news@linus.UUCP Reply-To: carlson@gateway.mitre.org (Bruce Carlson) Organization: The Mitre Corporation Lines: 17