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Alpine CDE-7871E - Head Unit now not displaying any LED

Have had this stereo in my ISUZU BIGHORN for about 3 years, had all the amps and equipment professionally installed, (twice as I got it broken into and all the subs and amps stolen) now it seems to get really hot and the LED doesnt want to go all the time. The manual was thrown away (by accident), plus we seem to now be spasmatically loosing the sound??

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Anonymous

Puedes hacerlo rollito y realzar una introduccion via herculanea sin el her... saludos

Posted on Sep 02, 2008

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  • 4 Answers

Check the leads from the heat sink on the back and my guess is the contacts between the faceplate and the actual head unit are not doing so well. This is a detachable face unit right?

Posted on Nov 30, 2007

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Alpine 9845 cde head unit car stereo i Cannot figure out how to access the Fader not the balance,altho i havent seen that function either. ive been to the alpine site and they dont even mention it. im sure...
Press the Rotary encoder (CDE-9845/CDE-9843
only) or press MODE (CDE-9841 only) repeatedly
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Feb 11, 2010 • Alpine CDE-9845 CD Player
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Subwoofer for alpine cde-9843
In short, no.

The CDE-9843 cannot drive a sub of the type you mention without an amp, but you can fit a sub with it's own built-in amp.

As standard, the head unit has a basic in-built amp supplying 4 x 16w RMS at 4ohms but there is the facility via the unit's own menu to turn off the in built amp and use the output sockets as a pre-amp feed, but in reality if you want to drive an amp you'd be better off to start with a more highly specified head unit to begin with, even the next model up, the CDE-9845 is better suited as there are pre-outs for front and rear speakers.

User instructions are available from here.

If my reply has been of assistance then please return the favour by rating my answer.
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Nov 09, 2009 • Alpine CDE-9841 CD Player
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I am getting a DC error on my alpine cde-102 head
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The DC error is most likely caused by a shorted or grounded speaker wire. Check all speaker wires, correct the problem, and then go into the sound setup settings and reset the POWER IC to ON.

Hope this helps.
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Sep 25, 2009 • Alpine Car Audio & Video
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I have a CDE-9872 and it wont pick up my ipod touch
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This is compatible with first and second generation iPods touch.
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Alpine CDE-9841
Have one solution which might work.
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Jul 26, 2008 • Alpine CDE-9841 CD Player
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Alpine CDE-9843
Page 16 of the manual:
http://vault.alpine-usa.com/products/documents/CDE-9841,%2043,%2045%20OM.PDF

Setting Time
1 In the Clock priority mode, press and hold
TITLE for at least 2 seconds while the time is
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 The time indication will blink.
2 Turn the Rotary encoder (CDE-9845/CDE-9843
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3 When the hour has been adjusted, press the
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4 Turn the Rotary encoder (CDE-9845/CDE-9843
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 The time is automatically set 5 seconds after the minute
adjustment. The time can also be manually set by
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or press MODE (CDE-9841 only).
• To synchronize the clock to another clock/watch or radio time
announcement, press and hold the Rotary encoder (CDE-9845/
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least 2 seconds after setting the “hour.” Minutes will reset to 00. If
the display shows over “30” minutes when you do this, the time
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Apr 26, 2008 • Alpine CDE-9843 CD Player
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