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I turned the aux function on on my alpine cdm 9821 unit. I purchased an audio adapter with a red and white plug (to plug in the back of the reciever) on one side and a regular 3.5mm headphone jack on the other. After its all plugged up and turned in i cant get any sound going through the speakers but the phone is playing music.. Any ideas?

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You must make sure where you plug in on the radio side is Aux input, most Radio Aux is at the front or come with special connector if it is at the back. Mostly radio back come with RCA is for Line out not Aux in.

Posted on Nov 28, 2013

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SOURCE: Alpine CDM-9821 CD Player

an easy way would b 4 u 2 gent an fm tramsmitter thats the cheap route if its not on output 4 an ipod connection im pretty sure u can hook up ur amp the only wires that need 2 com from th in-das is a remote and ur rca the remote wire should b blue n u can get a headphone converter with rca ends but i doubt ur ipod will play out of ur amp.... let me know if this helps

Posted on Jun 23, 2009

elementxstyl
  • 1 Answer

SOURCE: alpine cde-9870 non-ipod mp3 player AUX FUNCTION

When you press the SOURCE/( ' ) button and select iPod as the source, make sure you turn on AUX+ so that the external device is used as the source. AUX+ is turned off when you want to use an iPod with this head unit.

I don't know why some people thought to answer your question with an answer based on a different model.

Posted on Sep 13, 2012

  • 1 Answer

SOURCE: Alpine CDM-9821 No sound

I had this problem with mine, it was the wiring harness.

Posted on Jul 31, 2009

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1 Answer

Alpine Car Radio - how to change time


set time on alpine stereo model CDM 9821

Aug 31, 2010 | Alpine CDM-9821 CD Player

1 Answer

How to change the time on cd reciever


You can get a copy of your stereo owner's manual at:
http://www.crutchfield.com/S-9emk5AR7b5A/p_500CDM9821/Alpine-CDM-9821.html

In the Clock priority mode, press and hold the
DISP button for at least 3 seconds while the
time is displayed. The time indication will blink.
2 Turn the Rotary encoder to adjust the hours
while the time indication is blinking.
3 When the hour has been adjusted, press the
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4 Turn the Rotary encoder to adjust the minutes
while the time indication is blinking. The time is
automatically set 5 seconds after the minute
adjustment. The time can also be manually set by
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May 13, 2010 | Alpine CDM-9821 CD Player

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How do I set the clock


With clock shown, press and hold the display button for 3 seconds. The time will blink. Turn the rotary encoder to adjust the hours while the time is still blinking. When the hour is set, press the rotary encoder. This will switch to minutes adjustment. Turn rotary encoder to adjust minutes. Press rotary encoder once minutes are set or wait 5 seconds and time will store automatically. Reference page 6 in this link to Owners Manual for Alpine CDM-9821.
http://vault.alpine-usa.com/products/documents/OM%20CDM-9821.PDF

Oct 14, 2009 | Alpine CDM-9821 CD Player

1 Answer

Ipod to alpine CDM-9821


Hello andrewbheber,

Your head unit is an Alpine "M-Bus" unit and has a proprietary connector for the AUX input. It requires a special cable from Alpine, the model KCM-123B..

Here's a link to the product. Click on the cable itself to see an image of what the connector on the back of your receiver looks like.

Hope this helps.

Sep 11, 2009 | Alpine CDM-9821 CD Player

1 Answer

Alpine CDM-9821 No sound


I had this problem with mine, it was the wiring harness.

Jul 12, 2009 | Alpine CDM-9821 CD Player

1 Answer

Whats the basic wiring for an ipod to the apline 9821 stereo?


NO SUCH THING AS BASIC, HAVE A SHOP WIRE IN A MINI JACK PLUG TO THE PREAMP INPUT OF THE STEREO UNITS MAIN AMPLIFIER.

Jul 04, 2009 | Alpine CDM-9821 CD Player

1 Answer

Alpine CDM-9821 CD Player


an easy way would b 4 u 2 gent an fm tramsmitter thats the cheap route if its not on output 4 an ipod connection im pretty sure u can hook up ur amp the only wires that need 2 com from th in-das is a remote and ur rca the remote wire should b blue n u can get a headphone converter with rca ends but i doubt ur ipod will play out of ur amp.... let me know if this helps

Jun 23, 2009 | Alpine CDM-9821 CD Player

1 Answer

How do you reset the clock in an Alpine...Com 9821 dash stero...I


unplug the the wire at the back of unit everything will reset

Jun 20, 2009 | Alpine CDM-9821 CD Player

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How turn loudness on?


Manual:
http://vault.alpine-usa.com/products/documents/OM%20CDM-9821.PDF

As you can see on page 7 of the manual, your unit does not have a loudness function.

Jan 10, 2009 | Alpine CDM-9823 CD Player

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