Question about JVC MX-K3 CD Shelf System

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No audio powers on then says protect

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The word PROTECT appears because there is a short. It can be in your speakers, try running it without the speakers plugged or check to see if your speaker wires are touching (shorting).
If it still says PROTECT, its because there is a short somewhere in the system, probably from the output section.
The system does this to prevent anything from damaging the electronic components inside.
Mike

Posted on Sep 27, 2009

Testimonial: "thanks man was the output ic"

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3 Answers

Protect mode jvc


The protect mode is activated when it senses a short in the audio outputs in the stereo. Turn volume down, power off, and remove speaker wires from the back, next power on, if the protect comes on the audio output ic is shorted, if on the other hand it runs, check speaker wires for shorts and then hook up one at a time to find the fault including the speaker.

Mar 03, 2012 | JVC Audio Players & Recorders

1 Answer

My amp has a protection light on need to know how to fix. When I pull the fuses out the power comes in but when I put the fuse back in the protection light comes back on


From the description your audio output transistors or ic's have a short causing a load problem activating the protection circuit. Turn volume right down, power off, remove speaker wires from the back, power on! if protection kicks on it is the audio outputs in the receiver, if not! check speaker wires for shorts, hook back one at a time until defective wire or speaker is located. The audio outputs will need to be addressed by a technician since there is complexity involved.

Mar 03, 2012 | Legacy Car Audio & Video

1 Answer

The system is always in standby mode and do not turn ON


The problem you are describing is typical of audio output ic problem when there is a high current load the protection circuit kicks in preventing further damage. But lets check a couple things! turn down volume, power off, and remove speaker wires from the back. now power on, if protection kicks in the audio ic needs to be replaced, if it powers up properly checks wires for shorts and speaker issues and hook up one at a time until protect comes on revealing the problem.

Mar 03, 2012 | Sony MHC-GX470 Shelf System

1 Answer

Can anyone please help me with my superstar red 3900 has i have changed the audio chip and protection diode and i have still got no recieve what could the problem be thanks


No RX or No Audio?

Could be blown protection diodes or if no audio a faulty capacitor close to the audio chip!
The protection diodes can blow if you were close by someone with a high power transmitter, then the diodes would blow kinda like a fuse to protect the rig, result no RX symptom!
Replacing the diodes will cure that problem, located close to the rear of the rig.

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3 Answers

Protect push power


audio amplifier IC fried need to be replaced

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1 Answer

TV wont power on. Upon starting green light on front of display switches to flashing red. I have already unplugged power and tried again


This should be an error code 14. Most of the Philips TVs with this code means the Audio is the problem.
The Audio board maybe shorted out causing the TV to go into "Protection Mode". I would try unplugging the Audio board from the main power supply board and main mother board to see if the TV powers up without going into Protection Mode. That should give an answer if the Audio board is bad or not.

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2 Answers

Legacy audio LA590 car audio amp protecet mode


Is that on all the time or are you saying the light is on? If that light is always on that just means it's protecting your amp. If it's off and not playing bass then your in trouble

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1 Answer

What does it mean when the red protection light illuminates


Hi the protection light comes on when there is a problem within the amps. circuitry. Generally speaking the protection light normally comes on when powered up while the amp checks all of its voltage rails so that they all lie within a specific tolerance, when all have been verified to be in spec. then the protect light goes out & the power light comes on. If the protect light stays on then a fault exists within it's circuitry. Cheers, acbva.

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1 Answer

Car audio amp in protection mode


If you power up the amp with the RCAs plugged in, does it go into protection mode.

If you power up the amp with the RCAs plugged in, does the woofer pop?

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