Question about Alpine CDE-9872 Car CD/ MP3 Player
CD player stopped working. faceplate doesn't light up when attached. the fuse under the hood isn't the problem. even tried a replacement faceplate for it. what could be issue?
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Posted on Jan 02, 2017
It's possible that you have a shorted speaker wire. If one of the speaker wires is pinched, grounded or shorted it will cause the deck's internal amplifier to shut down. The easiest way to check is with a multimeter's resistance function. Remove the CD player and unplug it. Set your multimeter for "resistance" or "continuity". Attach the black probe to chassis ground; you can use the black ground wire in the deck's harness, clean dash metal, or the outer ring of your cigarette lighter. Use the red probe to test each of the speaker outputs in the harness: white, gray, green and violet. If you find a speaker wire that shows any continuity with chassis ground, then that's the cause of the problem. A speaker with a damaged voice coil may also cause the deck to shut down. To test this, probe the positive and negative leads of each speaker and test the resistance between them. For example, to test the left front speaker you'd put the red probe on the white wire and the black probe on the white/black wire. Each speaker should read a minimum of 3 ohms of resistance. If you get a lower reading then it might be causing your problem. If you don't find a problem with any of the speaker wires, then chances are the deck's internal amplifier has failed.
Posted on Jun 09, 2007
SOURCE: I have an Alpine CDE-9881.
Posted on Sep 18, 2011
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