Question about Alpine CDA-7892 CD Player

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Alpine cda-7892 Head unit overheating

I have installed the 7892 in an older BMW with good speakers for all 4 channels. All lights are fine,CD plays, radio plays both with low power and high distortion on all 4 channels, The top of the unit around the output IC area is VERY hot and remains so even with the speakers disconnected. What oh what can the problem be?

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  • Spencer Joy Apr 02, 2006

    Many thanks! upon review of the wiring it appears that the orange wire on the harness is not used for illumination as normally done.
    I disconnected the orange and VOILA unit works....Many thanks.

  • Anonymous Nov 04, 2007

    I have a jeep 1996 jeep cherokee. I have had the head unit installed along with a 600 watt amp and 1 12' sub for almost two years. About a month ago, i started smelling smoke. I completle unwired all my additional accessories (off-road lights, cluster gauges) to narrow the problem just to the radio. Once i put the fuse into the relay that connects to the deck, it begins to generate a lot of heat almost instantly. After about thirty seconds it starts smoking until i unplug the fuse from the relay. I have double checked the ground. What else could be causing this problem?



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Certainly, the output IC might need to be replaced, also check to see if there is a factory amp somewhere in the car. Additionally, double-checking the wiring is a must. How long does it take for the unit to heat up?

Posted on Mar 30, 2006


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Posted on Jan 02, 2017


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Below is the wiring diagram for an Alpine CDA-7892.


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