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Push power protect Sony mhc vz30av - Audio Players & Recorders

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Luis2584
  • 7 Answers

SOURCE: protect push power

you have wires touching. did you drop anything in your radio? water, medal's?? etc..

Posted on Dec 19, 2008

SOURCE: sony mhc-7av push power protect

Maybe the audio amplifier IC damaged and need to be replaced good luck

Posted on Feb 11, 2009

  • 4 Answers

SOURCE: I cant turn volume up all the way on my Sony MHC NX 3av

Make sure your cables are not touching each other, and/ or that they have been inserted into the right terminals on the speakers. This should rectify the problem.

Posted on Aug 07, 2009

  • 4234 Answers

SOURCE: sony Mhc GS100 want power up

The unit is in protect mode because a problem was deteected in the final output stage of the amplifier. The pop in the speakers is a god indication that there is DC current in the output stage. This is not a good thing. This is a relatively common failure of all receivers and can easily be fixed by any shop that does audio repair. Expect a parts cost in teh $30-$40 range.

Dan

Posted on Aug 19, 2009

  • 1 Answer

SOURCE: Sony MHC-57AV - System shuts down "Push power protect button"

this problem is audeio out put is sort .pls ching out put STK .Any Q - My ID uttamkholiya@yahoo.com
any sony music system problem

Posted on Nov 07, 2009

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1 Answer

Sir my MHC-RV900D is disply shows push power protection again and again.plz solve my problem. thank u


There is most likely a short in the amplifier that will need to be repaired before the unit will power on normally.

Mar 12, 2013 | Sony MHC-GX40 CD Shelf System

1 Answer

How To Remove Push Power Protect To My Sony mhc-dp1000d?


You can't. There is a short in the amp that needs to be repaired before the unit will power on normally.

Mar 07, 2013 | Sony MHC-DP1000D System

1 Answer

MY SONY MHC-VZ30AV ERROR MESSAGE PUSH POWER PROTECT


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be your output drivers- the MOSFETS/IC's fitted for both the channels, Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise like a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.
You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board, maybe the protect circuit by itself is shutting off due to a faulty bias , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the protect is off then check for short on the speakers.

Thank you for using Fixya

Sep 06, 2011 | Audio Players & Recorders

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

Sony Mhc GS100 want power up


The unit is in protect mode because a problem was deteected in the final output stage of the amplifier. The pop in the speakers is a god indication that there is DC current in the output stage. This is not a good thing. This is a relatively common failure of all receivers and can easily be fixed by any shop that does audio repair. Expect a parts cost in teh $30-$40 range.

Dan

Aug 19, 2009 | Sony Audio Players & Recorders

1 Answer

Protect- push power


After installing the cd display shows the Push Power in the model of MHC-RV5

Jul 07, 2009 | Sony DVP-S330 DVD Player

2 Answers

Protect push power


you have wires touching. did you drop anything in your radio? water, medal's?? etc..

Dec 19, 2008 | Sony MHC-RG30T Shelf System

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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