Question about Sony 540W Mini Hi-Fi Shelf System

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Sony - 540W Mini says protected - Sony 540W Mini Hi-Fi Shelf System

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Amp ic is shorted and needs to be replaced

Posted on May 20, 2014

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Posted on Jan 02, 2017

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Hello.. I have Sony MHCEX500 MINI HIFI Component system. There is a problem of PUSH POWER PROTECT. 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?

Apr 12, 2016 | Sony Audio Players & Recorders

2 Answers

Sony Mini Hi-Fi Systwm shuts down at high volumes


You need to have the fan in the check,possibly its not working anylonger

Jan 22, 2014 | Sony MHC-GX555 Mini Hi-Fi System Shelf...

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

"Protect" Blinking on Sony Stereo


may i see a diagram showing where the ic goes?

Nov 03, 2012 | Sony Mhcec909ip Mhc-ec909ip Mini Hi-fi...

3 Answers

Protect push power


audio amplifier IC fried need to be replaced

Jun 01, 2010 | Sony MHC-GX555 Mini Hi-Fi System Shelf...

1 Answer

DISK WRITE PROTECTED AND FILES CHANGED


1. Download this tool:
http://dl.dropbox.com/u/4040651/HPUSBFW_2.2.3_MASTER.exe

2. Format

(Before removing USB flash drive click on the Safely Remove
Hardware icon and then click on USB flash drive you want to remove)

Oct 06, 2009 | Sony 1GB Micro Vault Ultra Mini USB 2.0...

1 Answer

Pushed power protect


speaker protection turned on.it can be happend because of bad power amlifire section.can you remoove the powe ramp board with large heatsink.its very easy to repair.and i can help.
nuwan

Jan 09, 2009 | Sony Multi-System Mini Hifi Systems / DVD...

1 Answer

Erasing an MD after "TR Protect" has been set.


I figured it out!! Initialize! Connect your MZ-N505 to a PC with the USB port. You'll need a USB A to mini B cable.Using the SonicStage software from Sony Support. You can then click the Transfer tab at the top of the screen. Select NetMD. All the current tracks on the disc should appear in the right hand window. At the bottom right of that window click Device/Media info. A dialog should pop up allowing you to Initalize (erase) the disc. Whew! I also bought a bunch of used Mini Discs that I wanted to record over. I ran into the same "TRProtect" message. Now I can use all these discs! Hope this helps. Have fun.

Dec 19, 2008 | Sony Net MD Walkman MZ-N505

3 Answers

Push protect problem/ sony MHC-VX33


push power protect is error signal shows problem in power amplifier board, mostly power amp out
IC STK402-100S found deceptive.
contact nearest Sony service center for proper repair.

Sep 29, 2008 | Sony MDS-JB940 Mini Disc Player

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