Question about Kenwood KDC-MP332 CD Player

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Protected display reads "Protected" Radio and CD player does not work. How do I clear or fix?

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Re: Protected

Push the reset button with a ball point pen. Should be on the face of the radio

Posted on Sep 27, 2011

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Re: Protected

'I have a kenwood cd player and it reads protected mode and i can not get it fixed and the wires are right so how can i get it play and work properly. The cd player is a kenwood KDC-MP335

Posted on Oct 07, 2008

Re: Protected

Wires are exposed. According to the manual, the wiring is grounding out or exposed at some point between the head unit and the speakers.

Posted on Feb 19, 2007

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I cannot help you brighten the screen but I have a similar problem with my camera when I tape graduations and ball games. I have come up with a solution for me that can work for you as well. What I did was I made a small shade to put over it that works like an umbrella and makes it easy to read. See below \/

side view
------------------------- ----------------------------
} l l----Radio---------l l
} l l
} Shade ---->l l

If done so that the top and sides cast shade on the radio, you can clearly see the screen even in the sun.

Hope this helps

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1 Answer

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I had the same problem, the cd refused and radio plays good, with JVC KD G321. I have disconnected the switches behind the radio and also disconnected the antenne (do not forget the antenne) and it played the cd again.

Jan (my english is not so good, i hope my solution is better.

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Usually, protect mode is enabled when the speaker output wiring has shorted together or is touching ground/+12V. I would verify that none of the speaker wiring has come loose.

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Try cleaning the lens first, if you can take the top off and are able to see the lens, using a cotton swab soaked in 91% alcohol wet the lens, don't rub it, then blow it off with computer duster. Or try a cd based lens cleaner (Radio Shack).

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Mabye. I would suggest either opening the unit up and cleaning thr "laser" (optical pickup) with a q-tip. Or try using one of those cleaning cds that have the little cleaner fabric on the inderside... if that doesent work something is most like wrong with the cd machanism wether its not spinning the cd or just not reading it due to a defective laser.. ampman!

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