Question about Sony LBT-W900AV Shelf System

3 Answers

Push power protect

Hi, My child had put something into the system so I undid the casing and got it out, now when running - Push power protect comes up. can u help me???

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  • damofee Jun 26, 2009

    How can I fix

  • damofee Jun 26, 2009

    Can I fix this or not

  • damofee Jun 26, 2009

    Thanks How do I get a manual to show all the componets inside the unit.

  • damofee Jun 30, 2009

    Thanks, not worth repairing.

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You need to replace the audio amplifier IC because are damaged

Posted on Jun 27, 2009

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Did you put it back the way it should be? if yes, then that problem is not that big deal but if you insists on removing that, try bringing that to a technician.

Posted on Jun 26, 2009

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Push power protect traced cause to Amplify DC protection circuit on the amplifier board. Actual fault was a short circuit of the Amp. IC left channel outputs (Part STK412-030 Pins 10 & 11).
Excessive solder applied during manufacturer had probably been heated up enough during usage to bridge the pins. Bypass DC protection for left channel by isolating input to DC detect transistor.

Posted on Jun 26, 2009

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Posted on Jan 02, 2017

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1 Answer

Push Power Protector - Sony MHC-VX777 I am getting Standby message and push power protector .My music system was not operated


Hi!

This is what the manual says:

PROTECT"and "PUSH POWER" appear
alternately.

•A strong signal was input.
Press ?/1 to
turn off the power, leave the system
turned off for a while, then press ?/1
again to turn on the power.

•Check the speaker cables in case
"PROTECT" and "PUSH POWER"
appear alternately again after you turn
the system on.

Jun 05, 2017 | Sony Audio Players & Recorders

1 Answer

While playing my unit we had a brief power outage. When the power supply returned the " PROTECT PUSH POWER " message comes on. Is there a button that I can push to reset my unit-LBT-X50 .


Hi,
Your sound system may have a circuit breaker.
Check the rear of the sound system for a circuit breaker that has popped out, Then push it back in.
It may be labelled.
  • circuit breaker
  • protect push power
Otherwise unplug your unit from the wall and wait 5min before you plug it back in, then press the power button on the front of your system and your remote control.

I hope this helps

MobileJB

Jul 13, 2011 | Sony LBT-LX50 CD Shelf System

1 Answer

Hi mysony stereo system is displaying push power protect on the screen and wont play nothing?can you tell me hat i have to push to like unlock it thanks:)


Generally speaking, an amp protects itself from heat, shorts and overloads by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Feb 22, 2011 | Sony MHC-GS300AV CD Shelf System

1 Answer

Dishwasher showing wrench symbol after using dishwashing liquid


I am assuming this F1 error is coming in only one drawer and that you are able to run the second drawer as normal.

In the case of your dishwasher the F1 error occured because the foam would have overflowed over the drawer top into the base of the unit. This would have triggered a flood switch which is there to protect water damage to the dishwasher. You can either wait a few more days until the base of the dishwasher drawer unit dries up or you can dry it yourself.

To dry the base, extend the drawer as far out as possible (turn mains power off first). The use a few towels and push them on to the base. Pull the towels out and dry the base especially the centre of it with a hair dryer.

The F1 should disappear once you put power back on .

Hope this helps. You have a very helful child who sets the dishwasher up. I have to keep pushing my children to even empty it.

Jun 04, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

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

My sony davis 10 ' push power prtector'


dead short. Check wiring inside case. Power Protect keeps it for catching fire or electrical shock. Tech Fix only in most cases.

Mar 08, 2010 | Sony DAV-IS10 System

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

5 Answers

PROTECT PUSH POWER IT KEEP SAYING WHAT TO DO


My Sony audio set keeps saying push power protect and the set freezes what should i do? Please help me solve this problem.

Apr 20, 2008 | Sony LBT-XGR6 CD Shelf System

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