Question about Sharp CD-C622 CD Shelf System

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Sharp CD-622 CD

When I plug up this system, the only light comes on is "protect". The system does not respond to the power button.

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  • excalibur610 Mar 30, 2008

    unpluging doesn't help

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 4234 Answers

SOURCE: Sharp CD-BA300 stereo system went into Protect

These units use AMP-PACs for the final amplification stages. This part is defective. The protect message indicates that there is an internal problem and the unit is shutdown to prevent further damage. The part numbers are listed below with the costs. These parts can be purchased from tritronicsinc.com. Use the guest account to access them.

Parts:

VHISTK40271-1 $58.28
VHISTK4029S-1 $63.32

Dan

Posted on Nov 17, 2009

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jcameo7270
  • 675 Answers

SOURCE: I have sharp cd pc3500

Make sure the speaker wires aren't shorted together and that they are not freyed or cracked...the unit is in protect due to it's internal circuitry sensing a shorted output condition...this is in place to protect the unit should the speaker wires become shorted together. You can remove the speaker wires entirely and then turn on the unit to see if it comes on...if so then I would look at each wire carefully to make sure they look good..of course if the unit comes on and the wires look good then you may have a bad speaker component...Now, if the unit stays in protect after you unplug the speakers, then the unit probably has a blown audio output stage inside the circuitry and will need to be serviced.

Posted on Jan 06, 2011

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1 Answer

When DVD is plugged in the red stand-by light comes on, but when the power button is pushed the stand-by light goes out and the DVD will not come on. I have attempted to reset by holding power button down...


Hi Erickson,

First of all, thank you for posting your question here at Fixya.

I'm assuming here that your unit is Sharp BD-MPC41U.

The symptoms you've mentioned indicated that the power supply board of your unit gone to protection mode that's why the LED automatically shuts off. It will encountered once the feedback circuitry sensed malfunction and immediately turned off the unit to avoid further damaged.
To resolve the issue, you have to replaced the power supply board, part number RUNTKA699WJN0. I saw it in stock at this LINK or obtain it from your local Sharp service centers.

Also, don't forget to check if your unit is under warranty period (1 year), if so, avail it because the manufacturer will fix it for free. Opening the top cover will void the warranty.

Please let me know if you need further assistance.

Hope I helped you!

Have a great Holidays!!!

Ratings and feedback are highly appreciated.

Jdvillanueva

Dec 25, 2011 | Sharp BDMPC41U Theater System

1 Answer

Protect mode can't use any buttons need the senquence in order to unlock the system


most sharp reset by pressing the power button to enter the power stand-by-mode while pressing down the volume down button ,press the power button un-til ALL CLEAR appears...hope this helps...yammandan

Aug 19, 2010 | Sharp CD-PC3500 CD Shelf System

1 Answer

Display says protect


check your low voltage fuses, the protect light up when a overload comes....

Jan 28, 2009 | Audio Players & Recorders

1 Answer

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Ther clicking is probably coming from a relay and it is cycling because either the power supply itself or possibly an audio output power module has failed, the latter will overload the power supply so it tries to protect itself by interrupting either the AC or a DC voltage supplied by it.
This problem will likely require the hands-on of technical help. 

Jan 01, 2009 | Sharp XL-HP515 CD Shelf System

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>> Jovelopa22002@yahoo.com

Jul 17, 2008 | Sharp CD-C2900 Shelf System

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that is your movement protection. In your manual it says how to get rid of it. mostelikely you have to push power and open button at same time

Jul 08, 2008 | Sharp CD-C662 Shelf System

1 Answer

Unresponsive buttons


First, try unplugging the unit for a couple of hours. That should reset the internal microprocessor. If that fails, try pushing all of the buttons one at a time. If one of them is stuck, nothing will work properly. You should be able to feel the button working. Report back here with your results.
Dan

Mar 12, 2008 | Sharp XL-MP130 CD Shelf System

1 Answer

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Most likely cause could be a blown power amp IC. The part number is STK402-040.

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1 Answer

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"Protect" error could mean one or both of the output IC's are defective. This can be caused if the speakers or the wiring have shorted. Try the unit without the speakers to see if it starts up.

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