Question about Kenwood 2005 KDC-MP5028 CD/MP3 ReceiverFree Standard Shipping

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Kdc-w4534 "Protect" is on the display and the stereo will not work. Please help

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" protect " is flasing on my w534 cd player and my cd player will not work any more . any ideas

Posted on Dec 25, 2007

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My stereo sysytem is a mini stereo: serial number 10200055. It currently says "protect", what is this and how do we return our system to normal operations?


Hi there,

When the word PROTECT appears on this display, this means the unit has detected a critical fault which could potentially cause harm to your stereo system.

The most common cause is a short circuit somewhere - something even as simple as loose speaker wiring could cause a short, triggering the Protect message.

You will need to determine if there is a possible short somewhere, so I recommend you start by firstly turning power OFF, disconnecting all speaker wires, then turn unit back ON.

Operate the stereo (without speakers) and turn volume up:
  • If Protect message appears when turning volume up, then stereo unit itself has an internal fault
  • If no Protect message appears, then suspect the speakers may be causing the issue.
  • Reduce volume and turn unit OFF
Re-connect speakers (ensure the connections are secure), turn unit ON:
  • If turning volume up triggers the Protect message again, there is an issue with the speakers or connections

Hope this helps.....

Sep 04, 2011 | Kenwood Audio Players & Recorders

1 Answer

My JVC car stereo display " Protect " on display


FIRST PRESS THE RESET BUTTON BEHIND THE FACE IF DONT WORK CHECK ALL SPEAKER WIRES SOMETHING MIGHT BE TOUCHING

Jul 24, 2011 | JVC AM FM CD DET FACE CAR STEREO

2 Answers

KENWOOD DECK FLASHING (PROTECT)


protect mode means some speaker wires somewhere in the car are grounded out or are crossed... find the short and it will fix the problem. try testing all of the speakers one by one from the wiring harness... you'll find the problem. Good luck.

Nov 30, 2009 | Kenwood KDC-MP208 Car CD/ MP3 Player

1 Answer

Message displays push power protect, pls help


That is the common symptom of the defected STK-IC in power amp.section that busted already or just a lost contact.First try to resolder the pins of STK-IC if its works! if not that is the time you replace it, so it works normal again.

Hope it may helps you...

Jun 08, 2009 | Audio Players & Recorders

1 Answer

Protect error on model # CD BA200 Sharp Stereo


If you are a technician desolder the Audio amplifier IC,and check if the stereo turn on but with no sound.If the stereo turn on the audio amplifier IC is in short circuit and need to be replaced.
Good luck

Jun 05, 2009 | Sharp CD-BA200 CD Shelf System

1 Answer

"PROTECT" is displayed on the car stereo when turned on


This is really easy to fix. Look on the face plate for a REALLY small hole. Put the tip of a pen in the hole and it should work. This usually means the stereo isn't wired properly so if the PROTECT keeps coming on after you've re-set it, take it to a dealer. To make sure you're everything is in properly. Hope this helps...

Jan 26, 2009 | Kenwood KDC-MP228 CD Player

1 Answer

How to get a display ''protect off of my car audio?


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.

Nov 29, 2008 | Kenwood KDC-MP435U CD Player

2 Answers

PROTECT mode


I have a Sharp cd-c2900 home stereo and a "protect" word came up on the lcd?? The stereo is not working now and olnly shows a "protect" word?? Can you please tell me if there is a reset button some where?? Thanks , "Joel" My Email address>> [email protected]

Jul 17, 2008 | Sharp CD-C2900 Shelf System

9 Answers

Security Code for Protect mode


Turn on the car so the radio is flashing "Protect." Look on the front / removable face of the stereo. On it you will find a small round hole - that's a reset button. Find a small paper clip, unfold the clip and stick it gently into the hole. The "Protect" will stop flashing, and Kenwood will be displayed. Unfortunately all your settings/presets will be gone, but at least the stereo is working again!

Apr 30, 2008 | Kenwood KDC-W3534A CD Player

3 Answers

My audio system says protect on display


As Shown Here, A Sharp-Associated Repair Person Suggested Replacing A Specific Output IC, As Well As Two Other Small Components. The Total Of The Three Replacement Parts Is $55.43. I Suggest Doing The Repair Yourself, As The Stereo Would Be No Longer In Warranty, Unless You Have No Experience With Working With Electronics. You Could Also Get The Repair Done By Circuit City, Best Buy, Or A Similar Electronc Consulting Business

Jan 10, 2008 | Sharp CD-BA150 Shelf System

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