Question about Kenwood Car Speakers & Subwoofers

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KDC-MP538U "High Frequency Disconnect" Continues to show. How do I reconnect or at least eliminate this from showing.

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Disconnect it for 24 hours

Posted on Jun 08, 2008

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I disconnected the positive cable from the battery on a 2001 kia sedona van, and now the radio will not come on.


try to disconnect the positive wire and ground it out to the frame or negative terminal to eliminate all the power and reconnect it after 15 seconds and it should turn the radio back on.

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KDC-4051UG Only comes "ON" with


Your head unit is now connected correctly. That is how it is intended to be installed. Unless it doesn't store the radio stations. In that case the power cables of the head unit (RED&YELLOW) are incorrectly connected, but not a big problem. hope that helps dreamsystems

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My mobile phone was answered in the car by a friend, who pressed the "answer" button on the phone instead of the "answer" button on the car's bluetooth system. Everything locked up. I...


Try disconneting the car battery and leaving it for about 30 minutes, then reconnect it and try again.

Be warned though that if your head unit has a security code, you will need to make a note of this before you disconnect the battery as you will be asked to re-enter it when you reconnect the battery.

Carl - www.carheadunit.co.uk

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Car sound system high pitch frequency


you need to install a radio suppressor, that will eliminate the noises,

you can buy them on ebay, but google "radio suppressor" and find out why it's happening,

if it's an older car you connect 1 to your coil terminals, but i would go for an inline version first (you coonect to radio power wire).

Hope you listen to clear tunes soon :)

Apr 12, 2009 | Dual Car Speakers & Subwoofers

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2ooo Ford Mustang,Got MP538U TUNER work. cd look like it was playin no sound though.Exchanged it for MP638u.SAME BULL. cAR GOT ripped out mach system. Carstereo wires without harness


Hi,

If you are wiring a Kenwood KDC-MP638U to a 2000 Ford Mustang, then below information may be of help:
  • to my knowledge, the original stereo unit uses 2 8pin connector and a single 7 pin connector;
  • if the connector with the harness has been cut, then wire splicing may have to be used based below;
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  • If you are using external amplifiers, then it is possible to trigger/switch them with the blue/white wire and their RCA INputs connected to the appropriate RCA OUTputs of the Kenwood;
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  • Additionally, the KDC-MP638U has built-in USB port/interface.
  • Incidentally, if what was previously installed is a full Mach system, pls be informed that there are seven (7) versions from Mach 1000.0 to Mach 1000.7, which one was installed?
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Oct 17, 2008 | Kenwood Car Speakers & Subwoofers

1 Answer

Hi i have a kenwood cd player kdc-w7031 in my car which has started showing ERROR 05 whenever i put a cd into it have tried a head cleaner and still nothing any ideas thanks in advance


Are you sure that the model number is kdc-w7031? There is no such model listed on Kenwood's site. You can reach Kenwood here: http://www.kenwoodusa.com/Contact/

There are also phone numbers for technical support listed on this site as well.

Good luck.

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1 Answer

Model kdc-mp438u "protect" shows up on the screen when powered up


This indicates that a problem has been found in the final output stage of the amplifier. The amp stays off to prevent further damage. Remove all of the speaker wires and try again. If the protect message remains, the problem is within the amp and th amp will need service. If you are able, check the output transistors for a shorted condition as that is the most common failure part.

Keep us posted.
Dan

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i had the same problem and i just disconnect the battery and and reconnect it and everything works fine!! try it

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