Question about Kenwood KDC-MP438U Car CD/ MP3 Player

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On my kenwood kdc mp438u i tried everything it said to do but it keep saying protect

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Unplug stereo with ingition on and leave for about a min. replug and it should display "Standby"

Posted on Oct 18, 2009

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Could be a short circuit on your speaker output, try disconnecting all 4 speaker wires and then power up. Otherwise its the audio amplifier circuit that needs to be replaced ( audio IC )

Posted on Sep 27, 2009

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1 Answer

When i plug my ipod into my kenwood kdc mp438u it says error 99. why?


I THINK that ERROR 99 means a fault with the PORT OF YOUR PLAYER, reset button CAN HELP you

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Hi If anything the stereo was probably designed and tested using a certain version of the Iphones software, now that version 4 has been released the way the IPhone communicates may have changed.

As a result the stereo is no longer able to talk to the phone and vice versa. your probably best off contacting Kenwood direct to see if they are aware of this problem and if there is anything that can be done about it.

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My kenwood keeping sign me protect what I have to do?


try either pushing the reset switch or disconnect power to the radio. if that does not work, check your speaker wires and speakers for shorts, and make sure your speakers are not bad. if all this fails, you probably have a bad output ic.

Dec 09, 2009 | Kenwood KDC-MP438U Car CD/ MP3 Player

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Call constantly cuts in


you must of traped a wire when you have fitted the head unit to the car when you have pushed it into the dash or the call wire is going to earth on something behind the radio in the dash hope you fine it hope ive help you let me now how you get on

May 29, 2009 | Kenwood KDC-MP438U Car CD/ MP3 Player

2 Answers

Kenwood KDC-MP438U


Solution is simple and no code is needed. Make sure all wirw are secures and not opening spliced. Ones verifying, make sure radio is turned off and reset the protect button.

The Protect Button is pin hole size and is located right above the headphone jack. Hence all shpuld be good from there on.

Reset

Mar 10, 2009 | Kenwood KDC-MP438U Car CD/ MP3 Player

1 Answer

"PROTECT" is constantly displayed on the screen of my kdc-mp438u


You need to unplug the unit from the back and find the problem. Usually, it is almost always your speaker connections. Once you find the problem within the speakers, plug it back in and it resets it.

Dec 29, 2008 | Kenwood KDC-MP438U Car CD/ MP3 Player

1 Answer

Kdc mp438u


it says protect meaning one of the speakers is shorted troubleshoot my speakers all were good put my old radio in everything worked put the kdc back in verified that the radio is bad took back to best buy interchange for a pioneer for about 60 more

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