Question about Alpine CDM-7874 CD Player

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Face plate buttons wont work

I have to press in the face plate many times before i can even change one thing like the volume to go up one. is this a wiring problem or something i can fix easily?

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This is actually a common problem with more than just that radio. Sometimes the pins on the back of the face plate need to be cleaned. Take the face plate off, take a Q-tip and dip it lightly in some rubbing alcohol. Then use that to clean the metal pins on the back of the face plate. Make sure it is completely dry before you place the face plate back on. If this does not work, your better off replacing the whole thing.

Posted on Jan 21, 2009

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Posted on Jan 02, 2017

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Hi,

Do you have a Bluetooth adapter plugged into the KD-R330?

A compatible Bluetooth adapter (like the KS-BTA100) usually plugs into the rear auxiliary port of the receiver. It then needs to be "paired" with your Bluetooth device, for example, a Bluetooth phone headset.

What you're describing sounds like what can when no Bluetooth device has been "paired" yet.

If you don't HAVE a Bluetooth adapter connected to your KD-R330....is it possible you accidentally plugged something into its rear auxiliary jack? Or the front auxiliary? In other words, is it possible your KD-R330 receiver is mistaking some other device for a Bluetooth adapter?

Don't know if that helps at all...if there's no adapter issue, and nothing connected to the AUX jacks, probably your next step should be a call to JVC, or whatever number you were given for tech support.

On the bright side, since the receiver turns on, and responds to some commands, you probably didn't mess up anything major in the wiring. And, there's also the possibility the receiver is defective....certainly if this continues, and JVC can't help you, trying a replacement might be worth a try.

BTW, feel free to post a reply...I'm going to look further to see if there's any other documented issue besides an adapter that might cause the problem you're having.

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