Question about Kenwood KDC-MP435U CD Player

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RCA connection faulty on Kenwood KDC-2020

The RCA connection is faulty on my head unit and as such signal to my amplifier is sporadic at best. I've had a look inside to see if i can solder the connection, but it does not look like i can do anything about it.

I was wondering if anyone knew a little bit more about this unit that could give me some tips on repairing it?

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4 Suggested Answers

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

  • 1 Answer

SOURCE: Kenwood head unit CD and AUX sound not working

I fixed the sound problem with tech support from Kenwood. I had the blue wire from the Kenwood which is the antennae turn on wired to the amp turn on for the vehicle (2001 Blazer with Bose factory stereo). This is how I was told to wire it from the installation tech where I purchased the wiring harness. The tuning played fine because the Bose amp turned on when I played the tuner but when I played the cd or aux the amp turned off, thus no sound. The kenwood tech toldd me to wire the blue/white wire to the amp turn on for the vehicle so the amp would be on when ever power to the Kenwood was on. I rewired this way and everything works great now.

Posted on Jun 11, 2008

tech48
  • 624 Answers

SOURCE: 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

Posted on Jun 30, 2008

  • 1 Answer

SOURCE: Kenwood KDC-Mp438U security code

Answer for Your trouble on http://www.fixya.com/support/t1354659-unlock_code

Posted on Dec 20, 2008

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There are dedicated terminals / connection points for "remote" input and output on both the amplifier and head unit. This info usually figures prominently in the manuals of both products. Without knowing the which brand and model head unit and amplifier you have, the info may be incorrect. In the past, many head units made use of Blue or Blue/ White for a remote signal. It was used to control an external amp or automatic antenna. An example is the image below of the wiring of a Kenwood KDC-3011 head unit:

12_1_2011_10_24_59_pm.jpg

Check your manuals (or Google model numbers) to find yours.

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contact kenwood with model no, and id no. off head unit casing they can give you the code to unlock.or if you have instruction manual that came with the head unit it might be in there.if not best buy will handle this problem,for a price.dont be shocked if kenwood does the same.after all its all about the money.ps if you feel that this head unit was stolen sometime in the past,and it was reported to kenwood,they will know .just to let you know.good luck.

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Hi.

Use the audio control settings. Here an extract from manual:

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Here the full manual:KDC-4020 KDC-3020 KDC-2020 KDC-1020 KDC-1020S.

Regards.

Ginko.

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I have an KDC-MP435U receiver with 160w kenwood speakers. can you please advise for the the best speakers for this model? can I add a subwoofer? Please advise how can I improve my car sound. I'm using this...


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If your KENWOOD unit is experiencing audio problems (NO Audio), but do have audio when TUNER is selected as the source, you may have problems with your installation.

NOTE: If using an external amplifier or the unit was installed using a separately purchased wiring harness for your specific vehicle, please check the following

If Using an External Amplifier

The P.CONT or REMOTE terminal on the external amplifier requires a “turn on” signal from the stereo. This terminal should be connected to the BLUE/WHITE P.CONT wire on the Kenwood harness and not the solid BLUE ANT.CONT wire.

If Using a Vehicle Specific Harness
The vehicle has a factory installed amplifier and requires a “turn on” signal from the stereo. Make sure that the BLUE/WHITE P.CONT wire is connected to the vehicle specific harness and NOT the sold BLUE ANT.CONT wire.

The solid BLUE ANT. CONT wire is used to trigger a power antenna ONLY when the tuner is selected as the source. Using this wire to “turn on” an external amplifier or factory installed amplifier will only allow it to work when TUNER is selected. Please refer to your instruction manual for proper installation. If you are not completely comfortable with installing the unit yourself, we recommend that you seek assistance from a professional installer.

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1 Answer

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Assuming that the four speakers are connected to the amplifier, then the amp is the most likely problem component. Does the amplifier show a power light when the system is turned on? Note that there is probably another fuse in the amplifier power wire, near the battery.

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