Question about Kenwood KDC-X590 CD Player

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Kenwood KDC-X590 Faceplate display problem

You posted a solution on the web regarding re-soldering some resistors. I'm just trying to verify the location of these resistors. You are talking about he main unit itself, not the face plate, right? I tried a replacement face plate and the problem did not correct, so I assume the problem is inside the main unit, right?

Thanks,

Julian

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  • papa811 Feb 10, 2009

    tech48 you the man. Money was running low at the old homestead. The last thing that I had money for was a new radido! Driving to work and listening to my radio was my time. The display not working on my Kenwood made that a nightmare. 30 mins. and a little solder and I was back in business.
    Thanks again

  • Anonymous Feb 17, 2009

    I have no problem with the soldering. I used to teach soldering. How do you get it out of the dash?



    Julian

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Yes, the problem is inside the main unit. I have fixed hundreds of these radios over the years. 
The solder on these resistors get heat stressed and stop conducting properly. They just need a tiny little touch of solder. 
With the radio in front of you and the face is facing you, take the top off and remove the CD mech. The CD mech can just be set over to the left a little and the ribbon cable to it can stay connected. Just move it out of the way gently. You will see a series of resistors in the right front corner area of the main board on top. They have 2R7 printed on them and there are quiite a few, all in that main area. Just resolder them and put it all back together again and the display will work normal.
Dave

Posted on Jan 22, 2009

  • 3 more comments 
  • tabem Dec 11, 2010

    Another Kenwood KDC-534UA fixed :))))))

    Thanks!!!

  • tabem Dec 11, 2010

    Another Kenwood kdc-534ua fixed!

    Thanks!

  • mrseguin May 16, 2011

    Another Kenwood KDC W534U fixed.
    Thanks a lot,

    Michel Vansaingèle.

  • Scott Bailey
    Scott Bailey Jan 11, 2013

    Hi, just curious.. I have a KDC-MP5036U with faulty display. Does this procedure apply to this model display? Cheers,

  • stefano musso Nov 21, 2013

    thanks a lot, my kenwood now is OK! great!

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Just to add that I have a KDC-W534U, it is a different set but suffers the same problem, and can be fixed with the same solution - once you remove the screw holding the top on plus another 2 holding the CD tray in place, there are eight 2R7 resistors (block of five, and block of three) in the front right corner of the main board inside the head unit (not the detachable front panel), the one nearest the corner had a dry joint or at least it came unstuck as soon as I touched one end with the iron. Resoldered both ends of all eight and the display now works fine. Thanks for the pointer :)

Posted on Sep 21, 2009

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Tech48's solution is great. Just wanted to add that one of my resistors was bad (multimeter showed no continuity even though solder joints were good). I could not order a resistor from Kenwood (no longer available) so I ordered some from Digi-Key corp (10 for $3.30 plus shipping. Resistor case size is 2010, so to find resistors Google - resistor 2010 2.7 ohm 1/2W

Posted on Feb 20, 2010

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Thanks Tech48!
you save my Kenwood!!!

this is the picture of the famous resistors...

http://img15.imageshack.us/img15/9173/590xu.jpg

[URL=http://img15.imageshack.us/i/590xu.jpg/][IMG]http://img15.imageshack.us/img15/9173/590xu.th.jpg[/IMG][/URL]

Posted on Dec 25, 2009

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I did it ! it fixed the problem thanks a lot tech48 and everyone else

Posted on Apr 05, 2010

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Worked on my kenwood KDC W534U fixed WebRepOverall ratingThis site has no rating(not enough votes)


Thanks many times


Good bless internet

Posted on Nov 20, 2012

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We just did this fix last night, and it worked like a charm. I thought my radio was gone after just 3 yrs of ownership, but this fix saved the day. Thanks a million for this diy procedure.

Posted on Aug 22, 2010

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It actually does work (for the KDC-W534U)! Just a small note that you need to just dab the iron on the RESISTOR side (not the underside as I thought initially). Worked a dream after. Thanks to tech48 and BogMonster!

Posted on Aug 13, 2010

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Worked Great and I have not used a soldering iron in 20 yrs thanks for from buying a new stereo

Posted on Jun 07, 2010

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Your solution worked. Saved me buying a new stereo. Passed it on to Crutchfield, who sell and service Kenwood stereos

Posted on May 01, 2010

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Posted on Jan 02, 2017

robotek
  • 1512 Answers

SOURCE: Kenwood KDC-322

If you have the remote control for the unit, or can buy one then you can reset the code. Just ask me how...

Posted on Feb 08, 2008

  • 105 Answers

SOURCE: Kenwood KDC-322

Common Kenwood Security Codes
Many Kenwood radios are configured with the same security codes:

KCAR - This seems to be a "backdoor" to some Kenwood models.
3051 - This is the security code which is printed in the manual of many Kenwood models.
1234 - This is a security code commonly chosen by Kenwood owners.
Entering Your Kenwood Security Code
If the car battery fails or is disconnected, the Kenwood will ask for the security code.

The procedure to enter your security code differs on various models of Kenwood car stereos. Here are three of the more common procedures:

Type 1
During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds until the "..." display disappears.
Enter the security code using your Kenwood remote.
Type 2
Press the "Auto" button and "Track up" on the face of radio at the same time until the four dash lines disappear.
Enter the security code using your Kenwood remote.
Type 3: Model# DPX-4020 and DPX-4030
Press and hold the 1 then the 6 preset keys until the display shows the letter 'C'.
Enter the security code using your Kenwood remote.
Entering Letters on your Kenwood Remote
To enter a letter using your Kenwood remote, press a button once for the first letter, twice for the second letter, and three times for the third letter -- then press the Track Up or Next Track key to send the letter.

To send the letter 'A', press the 2 key once and then press the Track Up key. To send the letter 'B', press the 2 key twice and then press the Track up key.

Finally, when you are done entering all of the letters, press and hold the Track Up button for 3 seconds.

The key sequence to enter the security code KCAR is:

5
5
Track Up
2
2
2
Track Up
2
Track Up
7
7
Track Up
Your Kenwood should then enter tuner mode.

A Security Code Bug in some Kenwoods
There is a reported bug in the security code handling of some Kenwood stereos. In models with thie bug, the security code is stored incorrectly. The workaround is to enter the wrong security code.

In models with this bug, you have to decrement the third character of the security code by one. If your security code was 1111, you would enter your security code as 1101. If your security code was 9999, you would enter 9989.

Posted on Jul 15, 2009

kenw392
  • 2226 Answers

SOURCE: Kenwood KDC-MP428 - the display is out but works otherwise

there are several surface mount resistors on the right side inside of the deck that need to be resoldered.

Posted on Jan 07, 2010

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My kenwood KDC-X590 car stereo has no illumination but radio and cd player works. Is something burned out? HELP!!


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Sounds like you might have a bad connection where the faceplate connects to the unit, or the faceplate is bad.

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SYMPTOM: No Display.
COUNTERMEASURE: Re-solder the following components on PCB X34-415:
R43, R44, R46, R47, R48, R49, R50, R51, R55, and R57.

Ok so if you remove the top of the unit and cd player down the right side you see a line of surface resistors that say 2R7 on them, they all need to be resolders to the bord theres 9 total.

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SYMPTOM: No Display.
COUNTERMEASURE: Re-solder the following components on PCB X34-415:
R43, R44, R46, R47, R48, R49, R50, R51, R55, and R57.

Ok so if you remove the top of the unit and cd player down the right side you see a line of surface resistors that say 2R7 on them, they all need to be resolders to the bord theres 9 total.

Jul 13, 2008 | Kenwood KDC-X590 CD Player

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Display on Kenwood Out


I am not sure exactly what solution you are reffering to, but the KDC-MP532U has a problem with the display going out that is the result of heat stressed solder on the main board. The surface mount resistors that are located on the right side near the front of the unit, as you look into it with the display facing you, are the culprits. This is common in about 3 or 4 Kenwood models. These surface mount resistors are on the top of the board, so the board doesn't need to be taken out to fix it. Just the CD mech does. The surface mount resistors just need the solder reflowed, an easy enough job if you know how to solder. They are all lined up connected to each other, I don't remember the reference numbers, but if you can recognize what a surface mount resistor looks like, you should be able to find them very easy.

Thanks for the compliment on the other post, it is appreciated. A good rating would also be appreciated.

Thanks and good luck,

Dave

Jun 30, 2008 | Kenwood KDC-X590 CD Player

2 Answers

Hey did u find the curcut # on the kenwood kdc-x590 if so pleas let us know !!! thanks for ur time


Are you talking about the circuit that lights the display? If so, you need to resolder the surface mount resistors in the front right corner on the top of the board. Front right while facing unit with top off and CD deck out. you will see a series of surface mount resistors and they all are connected in series. All of them need to be resoldered. That will make the display work again.

Jun 11, 2008 | Kenwood KDC-X590 CD Player

3 Answers

Light faded out on face plate X590 kenwood


Here is the solution:
There are a series of surface mount resistors in the front right corner of the main board on the top side of the board. Front right while facing the unit looking in. Those surface mount resistors need to be resoldered, they are heat stressed. If you know how to solder, go ahead and do it. If not, I adise you to take it to a shop to have them reflowed. There are a line of them all in series with each other in that right front corner of the main board. That is the only way to fix this problem, have the solder reflowed.

May 22, 2008 | Kenwood KDC-X590 CD Player

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Look inside the main unit on the board and you will see in the front right corner a series of surface mount resistors all connected in series. Just reflow that solder on them with a small amount of new solder added and the display will once again work perfectly. That solder is very heat stressed, that is the problem. I have fixed dozens of these over the last few years. Make sure you put it back together the same as it came apart, and you are done.

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