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Message Forums Car Stereo Message Forums > Head Units > Kenwood KDC-4011 stopped working
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tweek
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 Kenwood KDC-4011 stopped working

I bought a Kenwood KDC-4011 head unit about three years ago and installed it myself. It's always been a really good head unit; never had any problems. But, today it just stopped working. It's never been abused, taken out, or anything like that. The face still flips around when I turn the ignition is on, and the blue light come on too. But no music, no display, no nothing. Anybody else have this problem, and is there anything I can do about it? I have a hard time believing this $300+ head unit will never work again....it's depressing...my fav cd is stuck in it too....sigh....

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New Post 07-03-2003 04:47 PM
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tweek
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I've figured out how to fix this. If it happens to anybody else, email me at d4x20r@hotmail.com and I'll email you very simple instructions to fix it yourself for under 10 bucks.

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New Post 07-08-2003 01:51 PM
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dragan
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I have exactly the same problem with my kenwood 7009 -- have you had any luck determining the problem? Dennis

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New Post 07-17-2003 12:44 AM
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tweek
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Take your unit:


Revove cover (one screw one each side and one on top):


Remove CD player contraption (3 screws with washers and carefully remove ribbon cable underneath):


Remove front plate, behind face (2 screws inside and a tiny screw on each side). Also detach ribbon cable from motor:


Take 9-volt battery and contact with the motor to turn display around as if it was on:


Note: pay close attention to the way the ribbon cable sits between the unit and the display. I didn't, and now the ribbon cable can be seen when the display turns.

Detach display from unit (2 tiny screws):


Remove back cover from display (no screws):


Remove ribbon cable. This is what's wrong with your player (although there will likely not be any visible damage):


You will have to replace this piece. It is part # J84-0093-03 and you find it at one of these distributors:

http://www.kenwoodusa.com/support/parts_dealers.jsp

Hopefully your CD player will work now:

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New Post 07-19-2003 04:30 PM
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dragan
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 Great help!

This is excellent! Thanks so much for the photos and step-by-step. One last question: Can you tell me anything about inserting the ribbon cable? Does it have to be put in any special way, or does it automatically go where it's supposed to when it's hooked up? I keep wondering where the exposed area in the middle of the ribbon is supposed to make contact once the player is operational, and how I can ensure that section lines up where it's supposed to?

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New Post 07-21-2003 07:11 PM
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tweek
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 RE: Great help!

quote:
Originally posted on 07-21-2003 by dragan
This is excellent! Thanks so much for the photos and step-by-step. One last question: Can you tell me anything about inserting the ribbon cable? Does it have to be put in any special way, or does it automatically go where it's supposed to when it's hooked up? I keep wondering where the exposed area in the middle of the ribbon is supposed to make contact once the player is operational, and how I can ensure that section lines up where it's supposed to?

The ribbon cable must be put in exactly as the original, mainly because I didn't pay attention to it and now the ribbon cable is clearly exposed every time the face flips around. Besides that, the ribbon cable connects to the unit silver side up.

The silver areas are the only things that make contact, so the exposed area really isn't exposed. Also, if it makes a difference, the 'exposed' section is slightly off center; it's the shorter half that connects to the unit. I don't know why the cable is made that way, or if it makes a difference if you put it in backwards (I wouldn't try it though).

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New Post 07-21-2003 08:20 PM
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tweek
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Also, the 7th picture shows how the cable is attached to the display

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New Post 07-21-2003 08:25 PM
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almararn
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 Same problem

I just had the same problem with Kenwood KDC-7070R and found this tread while looking for the part J84-0093-03 wich is clearly defective. But if your cable shows after reinstalling it then you faild to put it throug the spring that reels it in, you fyrst have to wind it up 2 circles or so and put the caple through the hole.

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New Post 04-09-2005 02:49 PM
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MissionMaster
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i have the kenwood kdc-322 and my cd player just stopped working with the cd in it, the radio still works but the cd player doesn't. it doesn't even recognize the fact that a cd is stuck in it. could this be the same thing?

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New Post 04-10-2005 12:07 AM
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almararn
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No, probably not. Because the CD player and radio works fine even though the cable is broken, it whas posible to control it via the remote. I would suspect that the disk is jamed or that the rotaiting motor has dryed up??

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New Post 04-10-2005 08:37 AM
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MissionMaster
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so my only real option is to take it to an electronics shop?

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New Post 04-11-2005 03:16 PM
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