Question about Sharp CD-PC3500 CD Shelf System

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CD BA 1600 stereo powers on after unplugging for about 15 minutes to the Welcome mode. But goes to Protect when you press the power button and won't respond to any buttons. Any ideas.

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Posted on Jan 02, 2017

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SOURCE: Sharp LC-15AV4U 15 in. LCD Television

Sounds like a lamp error.... either a defective or broken lamp within the LCD1.gif panel itself, or you have a bad inverter.

Posted on Apr 02, 2008

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SOURCE: Power button won't turn monitor off?

Alternative : Download Turn Off Monitor Utility from http://www.monitoroff.com

Posted on Sep 22, 2008

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SOURCE: Remote's menu and input buttons, and television Input button not responding

well the problem sounds like it could be the IR sensor on the tv or somthing in that circut that is failing or the EPROM chip that controls : Vol up/down , Channel up/down , Power on/off ,Menu , Input selection , ect... is failing, thus this will trigger the protection circut to shut the tv down. this kind of a problem only gets worse and can dammage other components if not repaired soon so it will need testing to determine the exact cause

Posted on Oct 14, 2008

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SOURCE: My sharp Stereo is stuck in '' protect'' mode

Protect mode is not something that a reset will fix. Basically it indicates that there is a problem with the final output stage of the amplifier. Normally this indicates that the output transistors are defective. In most boomboxes, the amplifier is a single IC. If you can post the model number, I can provide you with the required part and cost.

Thanks,
Dan

Posted on Mar 25, 2009

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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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Welcome to FixYa
Do Following...
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For more Here is the Guide for your Product Click here
Still have Problem The protective device on the amplifier has been activated because of short circuit. (“PROTECT” and “PUSH POWER” flash alternately.) Turn off the unit, eliminate the short-circuit problem and turn on the power again.

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Hi friend,,,
welcome to fixya
try to unplug it for 30 minutes this should reset the control board. and clear any errors it has. and may start working again. let me know how it goes OR
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What is "Press Power Protect"?


Hi Lois,
Stereo sytems have a protection circuit that alerts you by displaying "protect" when there is a electrical short circuit detected in the system, the most common short happens in a speaker, try disconnectig the speaker wires of both speakers(all speakers) at the back of the system, then play the CD or cassette player(although you will not hear anything with the speakers disconnected) and see if the unit goes into "protect" mode if the problem is still present then you have an internal short circuit and the system will need to be sent in for service or replaced(depending on age,repair costs). I would not recommend investing more than $80 into repairs. Now, if the unit does not go into "protect mode" then one of the speakers or speaker wires is shorted,be sure you check the conndition of the speaker wires before you replace the speakers, then you can replace the speakers(in a pair) and you should be back up and listening! Good luck and Merry Christmas !

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"The display stars flashing as soon as you plug in the power cord even though you haven't turned on the system (demonstration mode).
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Hope this may help;

Regards,
VOTIT

DON'T FORGET TO RATE;

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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!

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