Question about Kenwood KDC-X590 CD Player

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Kdc mp438u have protect showing checked all speakers none are shorted what should i do now

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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

Posted on Jul 04, 2008

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When i hook up my kenwood kdc-mp438u it has protect on it how do i get it off


check your speakers and speaker wires for shorts and/or grounds. If they check out fine try pressing the reset switch.

Jul 18, 2011 | Car Audio & Video

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

Apr 23, 2008 | Car Audio & Video

1 Answer

I get the word Protect flashing on my Kenwood kdc-mp4345u


check your speakers and speaker wires for shorts. if there are none try disconnecting power to the radio for a few minutes. if protect still comes on you may have a bad ouput ic.

Jan 14, 2010 | Kenwood KDC-MP435U CD Player

1 Answer

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

2 Answers

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


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 )

Sep 27, 2009 | Kenwood KDC-MP438U Car CD/ MP3 Player

1 Answer

Same problem protect keeps flashing


kenwood has an internal protection feature that stops the output of the speaker channels if there is a shorted wire or bad speaker. this happens for many reasons and is not always serious problem. you can reset the unit by pushing the reset button with the tip of a pin while the until is on. it is a very small black circle located somewhere on the front of the faceplate. it should go back to normal operation after rebooting. if the protect comes back, you need to take it to your nearst shop to have them troubleshoot your speakers and connection.

hope this helps

Sep 15, 2009 | Kenwood KDC-MP438U Car CD/ MP3 Player

1 Answer

I got a Kenwood KDC-MP438U and its stuck on protected mode


Protected mode means that there is a speaker wire that is grounding out on the chassis, another wire or another wire. Check all the wire connections to make sure there is no loose wire that may be getting grounded out. After it's insulated properly and reconnected, hit the reset and you'll be back in business. k

Jun 07, 2009 | Kenwood KDC-MP228 CD Player

1 Answer

Kenwood KDC-MP438U reciever installed. No sound in any mode.


if its a newer truck it will most likely have a factory amp u either have to utilize or bypass

Apr 21, 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

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