Question about Pioneer DEH-P7500MP CD Player

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Pioneer deh p7500mp

Hello, my pioneer headunit has started to make crackling noises when it gets hot. sometimes all you can hear is faint music even when you turn it on full. but its ok when its not hot until you turn the volume over 35 and then it starts crackling again. anybody experienced this or know what i should do. by the way ive checked all the speaker wiring and the plug at the back of the tape so there arent any wires touching. Anybody with ideas could you please let me know. i'd be very grateful. thanx

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  • Mohammed Ehtsham Aug 13, 2006

    Thanks for the help. i do have an amp attached but i turned that off when i did various testing on it so i dont think that could be it plus i tried my mates pioneer 7500mp on my system set up and it still crackled when i turned up the volume so im confused on what to do. ive checked the wiring and it isnt touching anywhere. any other suggestions? thanx



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Definitely a heat problem. There is a chip (or set of chips, perhaps audio output chips) that work fine when cool, but when they are hot they start to fail. Common problem with IC's. Heat is not a friend of these devices. Time to get it repaired or get a new one, depending on cost of course. Also, do you have an amp attached? Perhaps the amp is the device with the failing IC's.

Posted on Aug 13, 2006


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Ok so I just fixed my problem. Although I was getting the error because of using an iPhone instead of a CD I believe it is the same solution.

As jjgomex suggested it was pulling to much power, to what I did was turn on the headunit switch the source to something other than what causes the problem.

Then go to the Audio settings in the menu and turn bass all the way down and Sub Control to -1.

Then turn off headunit and turn it on again and switch to the source of problem, it should be fixed, or at least it did for me.

:) Good Luck!

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