Question about Kenwood KDC-MP435U CD Player

1 Answer

PROTECT CODE ON

WONT GO ON SAYS,PROTECT?

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  • kingsaltine5 Feb 03, 2009

    my protect stays on and i have reset it and all and its still on is it a very exspensive fix?

  • Anonymous Apr 06, 2009

    cd playe says ocet. want play anymore

  • Anonymous May 24, 2009

    my proyect is on it only happens when it rains i installed this on my motorcycle i was told that it was water proof

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  • 34 Answers

One of your speaker wires to the internal amp is shorted. turn power off and make sure they are not touching metal or each other and then hit reset again. if this doesn't help your power ic may be fried inside the stereo or a speaker is shorted.

Posted on Jan 09, 2009

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Posted on Jan 02, 2017

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My Kenwood KDC-MP142 in protect mode. is there a reset button??


My kenwood is stuck completely in protect mode. I ve everything listed and it wont come out of it. So should i assume the unit has gone bad?

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Protect light wont go off


Hi ,
"Protect" is an error code for short and overload. Once the power applied to the unit and shorts sensed by the processor the unit will automatically turned to "protect" to avoid further damaged to other parts. Most shorts is in the supply voltage (B+, Vcc) line and most common caused is the sound output IC (mounted in heat sink). This part is responsible for amplifying the audio from the pre-amplifier stage and will feed to your speakers.
If you have a knowledge in disoldering and soldering technique, I would advice you to pull-out this part and then try the unit. If the protect error code is gone then you must replaced this IC with a new one to back your unit in normal operation again.
Before that, disconnect first the speakers from the unit and play it naked. If the symptoms remain the same then obviously the fault was came from the unit itself.

Hope I helped you.
Have a nice day!
Thanks for using Fixya.




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Hi all. There are error codes 17925 and 18578 on my VW Passat. Could anybody please advice? The car wont start. Many thanks.


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May 23, 2011 | Volkswagen Passat Cars & Trucks

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Hi my Kenwood car radion says protect and wont play any sound, how do i fix this?


swing by the dealership and ask for the security code.
it should fix it for ya.
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The screen says protect and it wont come off the screen or play radio or cds what do i do?


This radio is equipped with an anti-theft device, if the battery power is disconnected from the radio for more than a few minutes, it goes into lockdown or "protect" mode. The only way to get the code is to call the manufacturer with the product number and serial number, generally they will verify your identity and then provide you with the unlock code.

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This the code for protect mode. A problem was detected in the final amplification stage. Without the model number I can't give you details, but the output stages for most units that give this message are amp-pacs that cost between $65-$95.

Dan

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It flashes protect and wont play


it is probably ruined there is a short in the amp it is telling you that the circut protector has kicked in to protect its self. you may be able to dry it out but it may need to be taken to a shop to fix

Jul 21, 2009 | Car Audio & Video

1 Answer

Mitsubishi 50111


Run the diagnostics.

With the TV power cord plugged in, press the 'INPUT and 'MENU' buttons at the same time -- use the buttons on the front of the TV, NOT the buttons on the remote; a diagnostic Error Code Operational Check will begin, utilizing the 'POWER ON' LED (the green 'POWER ON' indicator light).

There will be a pattern of two sets of flashes, with a pause in bewteen flashes; this sequence of flashes will be repeated a total of five times.

The Error Code designations are listed below:

Error Code Description
12 No eror has occurred.
21 X-Ray Protect circuit.
22 Short Protect circuit.
23 Horizontal Deflection failure.
24 Vertical Deflection failure.

I hope this information helps.

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My amp wont go past protect mode


Disconnect all speaker wires and signal cables from the amp. If it powers up (no protect light), the wiring needs to be checked. If it still shuts down (goes into protect), the amp likely has blown output transistors.

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