Please switch off the system, remove the speakers wires from the system and switch on the system. If system gets on then the speakers or speaker wires are defective.
Output IC is Audio out put IC.( Integrated circuit)
It can be fixed only by service technician at service point
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Usually when a receiver goes into protect mode, there are several reasons, One is there is a bad speaker connected to the unit, this will cause the unit to to into protect mode, try disconnecting all speaker from the unit and turning it on if it does not go into protect then one of the speakers are bad. Another reason is the power output Amplifier IC is shorted inside the unit. Another reasons could be that speaker wires are touching each other and causing a short. Disconnect all unit connecting to the unit and try turning on, if it stays on and no protect then connect them including the speakers one at time until you determine which is causing the error. If it goes into protect with nothing but the unit on then the Output IC is bad and the unit needs servicing.
Possible that the output section is SHORTED and so the power is cut off to protect from further damage. This is due to the fact that the stage consumes more current than requried due to a damaged component. So check the output drivers/IC, remove the speakers and check in case the speakers are damaged.
If your set is displaying the "Protect" display on the display, it means that your player has a serious issue or failure. It is possible that your output has failed and you will have to take the set out and disconnect the output stage. The main feed voltage to the output IC must be disconnected and the set powered on again. You must attempt to do this only if familiar or else take helpt and identify with this advice. Once the IC has been identifed replace after you find if any speakers also have shorted. replace and test. If your output seems fine , a possible short on the drive board of the cd or the cd processor stage can also be deffective. Hope you get this right, Helpful? Good day
If this happened while playing music at a little higher volume, you must check the speakers for short in coils. disconnect the speakers to see if the protect condition changes, if so check the speakers and wiring. If not then you must have blown up the output IC or a power shorting within the set. You will have to remove the pcb disconnect the power to the output IC to confirm the fault. Helpful I hope. Good day
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.
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
The 'Protect' error means there is a DC voltage present in the output section(which should not be there). This can be caused by a defective output IC(the big IC on the heatsink). Disconnect the IC and see if the error goes away.Also check the resistors around the IC.