Question about Sony MHC-RV777D 220 Volt Hi-Fi Music System Shelf System

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Displaying ' protect power ' on the screen.

My sony music system of 2600 watt is displaying " Power Protect " AS soon as I start the system it is the only thing seen on the screen. What should I do to activate my system?

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Replace the audio amplifier IC because are damaged

Posted on Feb 11, 2009

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U can remove the sound IC

Posted on Jan 29, 2015

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1 Answer

My Sony home theater DZ290K had a push power protection on the display screen how can I fix it?


The "PROTECT" and "PUSH POWER" messages will flash alternately when the protective device of the amplifier has been activated because a strong signal was input, or if there is a short-circuit detected. Press the POWER button on the unit to turn off the system, and check the following items after "STANDBY" disappears.

1) Are the + and - speaker cords short-circuited?
2) Are you using only the specified speakers?.
3) Is anything blocking the ventilation holes of the system?

You may also refer to the following link for additional troubleshooting steps.
PROTECT and PUSH POWER flash alternately on the amplifier screen

Aug 26, 2015 | Sony Audio Players & Recorders

1 Answer

Sony stereo protect mode


If "PROTECT" appears on the display: Immediately unplug the power cord, and check if anything blocking the ventilation holes on the back of the system after "PROTECT" disappears. After you have checked the ventilation holes and found to be all right, reconnect the power cord, and turn on the system. If the issue persists, contact your nearest Sony dealer.


The above is from the manual at http://www.docs.sony.com/release/MHCEC909IP.pdf

May 24, 2013 | Sony Mhcec909ip Mhc-ec909ip Mini Hi-fi...

1 Answer

Push power protect


Most likely you shorted out the amp ic. This will need to be replaced before the unit can be used again.

Jan 06, 2013 | Audio Players & Recorders

1 Answer

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 !

Dec 03, 2009 | Sony MHC-NX1 Shelf System

1 Answer

I have a sony 100 watt amp and it wont stay on for very long


You need more current.Bass notes require more juice and the best way to get more power for bass is to add a power capacitor to your system . They are easy to install and you can get one for less than a hundred dollars that should be enough for your amp and subs.

Sep 06, 2009 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Sony LBT W5000


According to Page 46 of the LBT-W5000 Operating Instructions:
"The display stars flashing as soon as you plug in the power cord even though you haven't turned on the system (demonstration mode).
Press DISPLAY (for LBT-W5000 / W300 / XB700 / XB500) or DEMO (STANDBY) (for other models) while the system is off. If the system is in the Power Saving mode, press POWER SAVE / DEMO (STANDBY) (for LBT-W5000 / W300 / XB700 / XB500). The demonstration appears automatically the first time you plug in the power cord, or if there is a power outage lasting longer than half a day."
I tested this today, as my LBT-W5000 was in Demonstration Mode. It definitely works. The only catch is (at least on the W5000), and it's a minor one, you have to reset your clock afterwards.

May 29, 2009 | Sony LBT-W5000 Shelf System

1 Answer

"Protect" and "Push Power"


i have a sony component push power protect, i have already replace IC but still protect push power

May 02, 2009 | Sony Audio Players & Recorders

1 Answer

PROTECT on start up


The protect message indicates that the output amplifier section has a problem and the unit has shutdown to prevent further damage. This usually is caused by shorted transistors in the final output stage. In your case, the output amplifier is a single replaceable amp-pac (STK402-090S). This can be purchased from tritronicsinc.com using the Sharp part number: VHISTK4029S-1 at a cost of $63.32

Dan

Jul 12, 2008 | Audio Players & Recorders

1 Answer

Protect push power


hi, everytime i switch on my sony hi fi it the display screen says protect push power. It won't let me do anything not even put cd's in. If you could help that would be very much appreciated.

Jun 12, 2008 | Sony LBT-XGR6 CD Shelf System

1 Answer

Protection displayed and shuts off


The protect message indicates that the output amp section has a problem. Normally this requires the replacement of the output transistors or the output amp pac. Expect the repair cost to be about $20-$60 for parts plus the local labor rate.
Dan

Mar 22, 2008 | JVC HXC6 500-Watt Stereo System with 5-CD...

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