Question about Alpine CDM-7861 CD Player

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Troubleshooting on Adjusting Treble/Bass

My Alpine Deck will not let me adjust my settings for bass and treble with my speakers. It allows me to go to the screen but it will not let me adjust the levels when turning the knob. However, the knob works to adjust the volume and subwoofers. Also, the "MX" button on the deck does not work either. Is this a problem with a wire or fuse?

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Re: Troubleshooting on Adjusting Treble/Bass

Look in your owners manual and make sure you are turning the right knobs or pushing the right buttons once you have the adjustment screen for the bass/treble showing. It could be that they use different knobs/buttons than the volume control. If you are using the right controls, then you have a problem that only a shop can fix. You might reset by taking away all the power (acc and bu) for a couple minutes and then reconnect, but if that doesn't help then it time to go to the shop.

Posted on Aug 10, 2007

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Press the mode button repeatedly to select BASS, TREBLE, SUBW, BALANCE, FADER, DEFEAT, AND VOLUME. When subwoofer mode is set to off, it's level cannot be adjusted. If DEFEAT is set to ON, the player returns to factory defaults. Turn the volume control to adjust the setting. If no adjustment is made within 5 seconds after selecting, the player returns to normal mode.

Hope this helps.

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