Question about Sony DHC-MDX10 Shelf System

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Protect and Push power

The sound cuts out but everything esle is working, so i took it to the repairs and they said the sound chip has blown. This was repalced and the same thing happen again but this time, no sound and no functions working.A sign flashed across the screen "Protect and "Push power" Please what does this mean? and what do i need to do to fix it? I so much love the system that i don't want a new one. Regards Miss J Fagbohun

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  • Anonymous Feb 08, 2009

    sound cuts out and push power protect flashes. Seems to happen when there are loud sounds.

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A sign flashed across the screen "Protect and "Push power" Please what does this mean? and what do i need to do to fix it?
Regards
Fabio Catarcione

Posted on Nov 25, 2008

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Posted on Jan 02, 2017

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Sir my sony stereo system showing "protect push power" how i troubleshoot the problem please replay fast


Protect Push Power on a Sony is telling you that you have an output short circuit and to turn off the player to prevent further damage.
Check the speaker cables for connection fault. If all is OK it means you have a blown STK Amplifier Chip. Will cost you about 20$ plus labor.

Apr 30, 2011 | Sony MHC-NX3AV Shelf System

2 Answers

I couldn't able to switch on my sony str db930 .when it was use it say me protecter.


Check all of your speaker connections... usually the PROTECT cuts in when speaker wires get crossed or you have blown a speaker.

this PROTECT message also shows if the amp chip(s) have blown in the unit

Sep 01, 2010 | Sony STR-DB930 Receiver

4 Answers

Mitsu WS-65909 COMES ON AND TURN OFF IMMEDIATLY, ERROR CODE 2-2


Two blink code on this set means Usually one of the two pico fuses that protect the STK-393-110 CONVERGENCE IC is blown--the fuses will need to be tested and the chip and them replaced--


If you have enough skill I have step by step start to finish instructions for this repair in this set---set detects one of the voltages to the Chip is not there and shuts down instantly. I have photos of the chip, fuses and protect resistors this set uses also.


If you want the instructions for free give me a email and I will send them to you for free--if you are able to do this repair yourself you will save a lot of money--you can buy the chip on Ebay for about 14 dollars plus shipping and the same seller sells the pico fuses..............


If you want to attempt this give me a vote here--If you are not able to do it yourself I have suggestions for you about getting the set fixed--I have done hundreds of these sets!

Just reply to this post here.

Let me know what you want to do, I am here to help people

SD TECH

Sep 19, 2009 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

My Mitsubishi ws-55511 does not turn on. I push the power button and the tv turns on but turns off right after. I did the self diag. and the power light blinked twice paused and blinked twice again, then...


1.) 2-2 is short protection and usually means one of the two fuses that protect the convergence IC are bad.

2.) This model uses a Single convergence IC--A STK-393-110 THAT can be purchased for about 14 dollars plus shipping on ebay.

3.) If one of the fuses that protect it is blown the set detects no voltage present and shuts down instantly.

4.) I have photos of what the fuses that need to be checked look like; also there are several protect resistors around the chip that need to be looked at also--I have photos of them also.

5.) I also have step by step start to finish instructions for this repair for this model--It tells you how to do the repair and everything you will need to do it.

6.) If you want the photos and instructions give me a vote here and I will email them to you free.

7.) I do this here for free so if this has been helpful take a minute and give me a vote here.

REGARDS, SD TECH

Sep 13, 2009 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Protector push power - dvd home theater system


Protect mode will kicking whenever a fault is detected.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Jan 20, 2009 | Sony STR-DE875 Receiver

1 Answer

Car amp has power but will not push subs


output blown on power supply - repair by tech required.

Jan 12, 2009 | Sony XM-SD22X Car Audio Amplifier

2 Answers

Output Chip blown, need help!


Why do you think the output chip is blown? This is NOT a user serviceable part. One must posess several uncommon tools, and must know what the output chip looks like.

There IS a chance that the radio is in SELF PROTECT MODE becausea speaker in the car is causing a direct short, or even possibly VERY HIGH, or VERY LOW resistance.

One at a time Disconnect speakers while the radio has a CD or station tuned in. If you disconnect the "blown speaker" the remaining speakers left connected should start to play.

HTH

Scott

Aug 25, 2008 | Pioneer DEH-P4800MP CD Player

2 Answers

HCD-XG500 it says push power protect


Power protect tends to mean the main power amp chip has "blown" and needs to be replaced. It only costs about 20 dollars (10GBP). If you are handy with a soldering iron it is easy to do (after you get the thing to bits !) It is the big black thing on the big heatsink inside. The Sony part number is STK442 - 130. Seems a waste to throw the whole thing away for the sake of 10 pounds !. Hope this helps. Nik Howell (nh@totalise.co.uk)

Apr 27, 2007 | Sony LBT-XG500 Shelf System

2 Answers

Sony lbt-x5g500


Power protect tends to mean the main power amp chip has "blown" and needs to be replaced. It only costs about 20 dollars (10GBP). If you are handy with a soldering iron it is easy to do (after you get the thing to bits !) It is the big black thing on the big heatsink inside. The Sony part number is STK442 - 130. Seems a waste to throw the whole thing away for the sake of 10 pounds !. Hope this helps. Nik Howell (nh@totalise.co.uk)

Oct 13, 2006 | Sony LBT-XG500 Shelf System

2 Answers

"Protect" and "Push Power"


Doiuble check your wiresa again for no pinches or shorts, even at the back of the unit. Also try unplugging the unit for 12 to 24 hours. If that does not help, it may be the time to buy a new stereo because that means there is a fault in the output device, unless you kinow someone who can trouble shoot and repair solid state electronics.

Sep 18, 2006 | Sony LBT-XGR600 CD Shelf System

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