Question about Sharp CD-BA200 CD Shelf System

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Won't start up

I recently aquired a Sharp CD-BA200 used, first time it started up okay. Every time after that as soon as I plug it in, protect comes up on the screen. I have Panasonic speakers hooked up to it and everything I have no idea what I'm doing wrong. Any help would be appreciated.

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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.

Posted on Mar 25, 2008

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1 Answer

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Check the speaker wires for shorts, if okay! the audio output ic's are loading the circuits causing the protect mode to engauge, only option replacement of the above mentioned parts.

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Protect is displayed on the unit. I know it is a speaker wire. Do I unplug all speaker wires and then plug in one at a time and turn unit on and repeat till I find the bad wire??? Please advise. System is ...


Why are you asking instead of doing?

Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Check for loose speaker connections at the speaker as a root cause for intermittent shutdown.

May 28, 2011 | Sharp CD-BA200 CD Shelf System

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Your CP--BA200 is as follows Black/blue is - +
and your red/black is + -, and its just that simple...

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1 Answer

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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.
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Need manual guide for sharp cd-ba200 mini component system.


http://www.retrevo.com/support/Sharp-CD-BA200-manual/id/358ag021/t/2/
The above link directs you to the manual.Thank you.Please do rate if this solves the problem.

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My Sharp model no. CD-BA250 is displaying "protect". It will not turn off on or anything!! How do i clear it out to fix the problem.


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Sep 17, 2008 | Sharp CD-BA200 CD Shelf System

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My stereo


Disconnect your speaker boxes. If the "protect" error goes, then the speakers or wires may be at fault. If the error remains, most likely the audio output IC is blown.

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I just called Sharp customer service line. I was told it's a "problem with the software"...whatever the hell THAT means, but it has to be serviced.

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