20 Most Recent Alpine CDA-9857 CD Player Questions & Answers


The deck might be damaged. In order to accommodate that kind of layout, there should be a cross over, and a separate 2 channel amplifier for the subs. Without that it's easy to fry the deck!

Alpine CDA-9857... | Answered on Dec 06, 2013


Check with Auto Toys (http://www.autotoys.com) . They sell all sorts of adapter to connect MP3's and mini discs to car stereos.

From what I've seen in that manual and others about the "AUX on" option, it has to do with the AInet port to RCA plug converter (can't remember the part number but its listed in the manual in the section about turning that option on.

I don't think any Alpine unit in the US has the option to use that particular cable you are trying to use. I've only seen that cable in other countries Alpine sites never seen it listed in the US site.

If I am correct then just go ahead and get the cable that goes with the Ainet port, but if I was you I would just save a little more and get an older cheap iPod and use it with the Fullspeed cable, which will probably have better sound then an AUX to AInet cable with an mp3 player headphone out into it.

Ainet and full speed are 2 different ports, you need this in order to use the AUX input option on that headunit (according to the manual.)

"Setting the AUX Mode (V-Link)
You can input TV/video sound by connecting an optional Ai-NET/RCA
Interface cable (KCA-121B) or Versatile Link Terminal (KCA-410C) to
this component.
You can change the AUX name display when AUX IN is set to ON.
Press / /ENT when AUX IN is set to ON, and select AUX Name
by turning the Rotary encoder, then press / /ENT.
After that, turn the Rotary encoder to select the desired AUX name.
If the KCA-410C is connected, it is possible to select two AUX names.
• Via KCA-410C, up to 2 external devices with RCA output can be
connected. In this case, press SOURCE/ to select AUX mode and
then press BAND to select your desired device." http://www.alpine-usa.com/US-en/prod...model=KCA-121B

Here can find PARTS.

Tell us nesw.

Alpine CDA-9857... | Answered on Sep 23, 2013


Are you running your audio through an amplifier? If you are, it sounds like you are using the blue wire (power antenna remote turn on) instead of the blue/white (amplifier remote turn on). The blue wire shuts off when you leave tuner mode, thus turning your amp off.

Alpine CDA-9857... | Answered on Jul 15, 2011


the best way to get it out is to take the deck apart if you can see th cd try tweezers or needle nose id bet there is more than one in it i hope this helps

Alpine CDA-9857... | Answered on Jul 04, 2011


Probably you dont have the constant pos (+) wire hooked up to hot (+) wire and only to a source that is switched. Switched means every time your key is removed from ignition switch the positive current from that source will also power down. There are two positive leads from the unit, 1 always hot and the other needs to be switchable. The constant hot (usually yellow) powers the memory for your settings. Just like your television set, once you pull the cord off the socket everything returns to default setting.

Alpine CDA-9857... | Answered on Feb 16, 2010


here's your best start...
jump on eBay and type in your model number: CDA-9857

Lots of the ipod input adapters out there on eBay.
The adapters hook up to the back of the Alpine CDA-9857 deck.

Alpine CDA-9857... | Answered on Jan 13, 2010


The display can be blacked out on the 9857r. To toggle between display on and display off hold the function button until it beeps.

Alpine CDA-9857... | Answered on Aug 15, 2009


Sounds like you have a bad connection somewhere. pull the radio out and check your power and ground connections to ensure that they are tight.

Alpine CDA-9857... | Answered on Nov 28, 2008


Please see my solution posted on Mar 13. No other brain waves yet!

Alpine CDA-9857... | Answered on Mar 18, 2008


my alpine cda 9856 only displays that message when my ipod dies. so your ipod pobably dies then the head unit recharges it enough in the time your resetting it that it can play again. :)

Alpine CDA-9857... | Answered on Dec 16, 2007


Users manual is HERE.

The Constant +12 volt wire is the yellow one. Wiring connections begin on page 34.




Best of Luck.

Alpine CDA-9857... | Answered on Nov 26, 2007


You can't use search mode while you have mix enabled. Make sure Mix mode is off

Alpine CDA-9857... | Answered on Sep 18, 2007


You have the amp hooked to the "Antenna turn on" which is the blue wire.... you need to hook it to the "REM" output whis is Blue with a white stripe.

Alpine CDA-9857... | Answered on Sep 15, 2007


You can download the manual from the link below: http://vault.alpine-usa.com/products/documents/CDA-9857%20OM.PDF Please update the question & let us know if the information given was useful to you - Good Luck!

Alpine CDA-9857... | Answered on Aug 18, 2007

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