Question about Sony MHC-LX1000 Shelf System

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My Sony stereo system keeps turning off ten seconds after i push the power button to turn it on and I have no idea whats going on with it.his problem has also just started. The type of stereo is a MHC-LX10000

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Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance 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.

Posted on Apr 01, 2011

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Hello :

  1. Remove the battery from the left side of the PSP while it is still on. The unit will power down instantly. Wait ten seconds and then replace the battery.
  2. Press both clear shoulder buttons at the top of the PSP and keep them held while the PSP reboots. A "Recovery" mode will be initiated.
  3. Press down on the control pad to locate a "recovery" folder. This will contain all of your PSP content, including games, music, videos and podcasts that are saved on the device. Highlight this folder and press the "X" button to begin reinstalling your content.

Warnings
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Or try this for hard resetting :

  1. Locate your Power button on your PSP. Push the power button up for 10 seconds.
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  4. Your PSP should be working now. If not, then you may have a firmware problem.
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PLEASE RATE !

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Hello :


1: Remove the battery from the left side of the PSP while it is still onThe unit will power down instantly. Wait ten seconds and then replace the battery.
2: Press both clear shoulder buttons at the top of the PSP and keep them held while the PSP reboots. A "Recovery" mode will be initiated.
3: Press down on the control pad to locate a "recovery" folder. This will contain all of your PSP content, including games, music, videos and podcasts that are saved on the device. Highlight this folder and press the "X" button to begin reinstalling your content.

Warnings :
If you would like to reset your PSP while it is working normally, you can do so by going to the Settings menu and selecting "System Reset." This will get rid of all your content and restore the PSP to factory settings (and subsequently remove all of your content.)

Or try this for hard resetting :
1: Locate your Power button on your PSP. Push the power button up for 10 seconds.
2: The PSP will and should shut off. Leave the PSP off for 30 seconds.
3: Turn your PSP back on by flicking the power button up very quickly. If it doesn't turn on, try pushing the power button forward very quickly again. (sometimes you have to do it 2-3 times)
4: Your PSP should be working now. If not, then you may have a firmware problem.


Warning:
Do not have your PSP plugged into a power supply.
If your PSP doesn't turn off after 10 seconds (of power button being help up) then remove your battery and wait 30 seconds, and then replace

good luck .

please don't forget to rate !
 
 
 
 
 
 
 
 
 
 

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1 Answer

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Hello :

  1. Remove the battery from the left side of the PSP while it is still on. The unit will power down instantly. Wait ten seconds and then replace the battery.
  2. Press both clear shoulder buttons at the top of the PSP and keep them held while the PSP reboots. A "Recovery" mode will be initiated.
  3. Press down on the control pad to locate a "recovery" folder. This will contain all of your PSP content, including games, music, videos and podcasts that are saved on the device. Highlight this folder and press the "X" button to begin reinstalling your content.

Warnings
  • If you would like to reset your PSP while it is working normally, you can do so by going to the Settings menu and selecting "System Reset." This will get rid of all your content and restore the PSP to factory settings (and subsequently remove all of your content.)

Or try this for hard resetting :

  1. Locate your Power button on your PSP. Push the power button up for 10 seconds.
  2. The PSP will and should shut off. Leave the PSP off for 30 seconds.
  3. Turn your PSP back on by flicking the power button up very quickly. If it doesn't turn on, try pushing the power button forward very quickly again. (sometimes you have to do it 2-3 times)
  4. Your PSP should be working now. If not, then you may have a firmware problem.
Warning:
  • Do not have your PSP plugged into a power supply.
  • If your PSP doesn't turn off after 10 seconds (of power button being help up) then remove your battery and wait 30 seconds, and then replace
good luck .

rate please !

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Also, this is a last resort procedure prior to exchanging/returning to sony.
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