Buzzing Noise I got my Panasonic CQ-VD7003U less than a year ago and it started making this buzzing noise that runs through the speakers and only goes on if the engine is running. Its so annoying and is on all the time. Any ideas?

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Loud buzzing sound was color wheel going Bad.
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The problem is that the panasonic cq-vd7003u does not support that function which sucks cuz i have one 2 the slightly newer verision PANASONIC CQ-VD7005U does have that feature. so sorry.

The 2200 uF capacitor in the power supply has gone bad and the humming is a 60 Hz from the rectification of AC to 18 vDC.  Either get a new power supply or take apart the power supply and replace the bad cap.

Not a Velodyne product

Um based on what your giving me I can only assume the battery light is goin on due to a heavy load on the alternator and its not happy. probably die from the buzzing noise?(possible air compressor due to a lean in the air ride?) but thats a guess. the battery light will go on when voltage sensor gets less than 12.5 volts. when the buzzing stops does the light go off shortly?

i doubt the windows have any thing to do with it, unless for some odd reason they are drawing power the whole time your driving around. get your alternator checked before you get stranded. im sure there is something causing extra stress, or its just the alternators time to die.

Good Luck

Michael
ASE certified
plz rate

go to the panasonic web site and get the manual for your car stereo its free and it will show you how to run your system

Try to see if the reciever will make the buzzing/noise without anything connected to it except power, and speakers. Tune into a local radio station and see if the noise continues. If the noise has stopped, then you know there is an issue with the player or cable.

It sounds as if the lamp needs to be replaced. The buzzing sound you hear is the ballast attemting to fire the lamp.