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My hifi Says Protect on the screen when i plug it in how can i get it off

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Re: my hifi

Most likely cause could be a blown power amp IC.

Posted on Dec 19, 2007

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2 Answers

Why is my hifi saying push power protect

Probably some condition caused your system to enter protect mode. You are being prompted to push something, perhaps a circuit breaker, to restore normal operation.

May 19, 2016 | Audio Shelf Systems


My sony 3 disc ex-change/mini hifi component system mhc-rg66 it keeps flashing...

First things first. The unit doesn't switch on.
- Is it plugged in?
- Is the fuse blown?
- Does it look like it's suffered damage?

It switches on, but won't play anything / the lights come on, but no sound.

- We'll start at connections. Is your MP3 player/ iPod/ CD player/ record deck plugged in correctly?
- Are the speakers plugged in correctly/ at all?
- Is it in protection mode - this is a pretty standard thing now, where the amplifier tries to deliver more than it's rated current (ie, into a short circuit), and it cuts out. The only way to fix this is to take it to a local hifi shop, who will reset it (there's usually a small fee involved). The unit will be fine after that.

------- There is no bass. ----------
A few causes for this, so there's a few solutions.
- The speakers are out of phase. This is where one speaker is wired normally, one is wired in reverse. The bass from each speaker is "opposite" and would cancel out. To solve this, Make sure the + on the speaker is connected to the + on the amplifier. There's usually a stripe on the cable to help you determine this.
Cause # 2
The eq settings on your ipod/ unit have been messed with.
Set all the equiliser settings to flat, then readjust them to taste.
Cause # 3 (nasty one)
You've blown a woofer. The explanation is this - the speakers have taken in too much power, the bass unit has got too hot and the glue holding the coil in place has melted. Usually, the woofer can't be physically pushed when this happens. To solve this, it's new speaker time. An alternative is to see if you can get a recone kit for said speaker, and try to fix the voicecoil yourself. This isn't recommended to those who are new to the idea.

I hope this helps the reader.

on Sep 27, 2010 | Sony LBT-ZX6 Shelf System

1 Answer

Hello can u help me about my MHC-gzx55d sony hifi component, when you turn on the power, the screen display appear "PROTECT" what is the problem and what is the possible damage of my component. please help...

When it goes into protect mode it has been over loaded. Remove everything from the component and unplug the unit for a minute or two. plug it back in and see if it pops out of protect mode. If this does not work then you will need to do a factory reset or check the fuses on the inside of the unit.

Feb 20, 2015 | Sony Audio Shelf Systems

2 Answers

Protect push power/ sony- MHC RV6

A protect message on a sony usually means there is an amplifier problem.

Jul 19, 2013 | Audio Shelf Systems

1 Answer

It comes on and goes back off, and is asking me to push power pro

HiFi system goes to standby because protection circuit detects error in amplifier section, you need to take unit to qualified tech for fix.

Jul 24, 2009 | Sony LBT-W300 Shelf System

1 Answer

Pushed power protect

speaker protection turned 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.

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

1 Answer


Dear steve37,
Please switch off the system from the wall socket. Remove the speaker wires from the rear side of the system. power on the system if it works ,the speakers or the wires are defective.

Jun 08, 2008 | Sharp Audio Shelf Systems

2 Answers

Mhc-gnz88d (sony hifi DVD System)

5e592bd0-46d6-403f-ab4a-21969e3345d5.jpegI have a SONY MHC-GNZ88D Mini Hifi System. Everytime problem while play a CD or a DVD. The problem display "DESK ERROR". CD & DVD working but Next, Fwd, Stop etc buttons are not working.please help me.
My cont number - +91-9031257594 Nazish

May 21, 2007 | Sony Multi-System Mini Hifi Systems / DVD...

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