Question about Pioneer DEH-3700MP CD Player
Hi, I have a pioneer deh 3700 head unit. All was fine, with a seperate amp. I hooked up another amp for subs and all was fine. All of a sudden, at the end of the assembly, started the car and have fuel pump and alternator noise. I hooked up a alternator filter, no change. Tore all apart, searched the web, grounded the chassie, set up another amp and new cables temp. Same noise. I grounded the rca cable with a hand held wire to the chassie and the noise disappeared. I don't know if that is a normal thing to do, never have before, and don't really know how this is effecting the signal/stereo. Could the head unit have gone bad, can you blow line level outs, is there a ground in the unit that has gone bad?
I have no sound on pioneer deh-4800. was sound for few days and now it just cut out. i can hear the clicking noise but no music.
Posted on Mar 17, 2011
Do you have any picture the way wath part you put the cable
Posted on Sep 09, 2008
Very common with pioneers. their is a ground loop fuse-located inside the head unit, that has to be repaired at the factory. Or, the best way-just like you said, is to ground the rca's, solder a thin wire to each rca, easiest and cheapest way. I had it happen to me with a 4800.
Posted on Mar 26, 2008
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