Question about Onkyo TX-V940 Receiver

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Samsung HW-E5500 AV receiver produces no sound and gives protect mode when speakers come on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Onkyo Tx-v940 Receiver/Amplifier Protection Mode

Audio amplifier IC's damaged you need to change it.Good luck

Posted on Jun 11, 2008

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petraman7
  • 1175 Answers

SOURCE: No sound produced from various

Hi...

I dont have really good news. It's the DSP board assembly that's not working.

Get in touch with unitedradio.com and see what the cost is on a new assby.

Posted on Jan 02, 2009

  • 21 Answers

SOURCE: Problem With Onkyo Receiver Protected Mode.

If your receiver is going into protect mode with all speakers disconnected, you almost certainly have a shorted output transistor. Unfortunately, Onkyo recommends that a total of 14 transistors (on most models, 16 on some) be replaced. To make matters a little worse, a couple of those can only be obtained from Onkyo parts department.

Posted on Apr 07, 2010

dunnbiker
  • 8546 Answers

SOURCE: Just purchased a home that has an Onkyo THX Select

So, it has NEVER worked? Review your connections regarding the speakers.

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. Eure 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 Mar 03, 2011

  • 1 Answer

SOURCE: Do all speakers need to have the same impedance? (Protect mode)

I have old model non HDMI AV Reciver model no TX-SR505 but I lost my remote controller.Now I am presently in India.How will get this type remote contoller

Posted on Apr 06, 2011

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1 Answer

Connect speakers


All power amplifiers are designed to operate with a maximum current. This is limited by a minimum speaker impedance load. Your amplifier manual will specify the minimum load on output channels. High quality amplifiers can drive speakers with a combined impedance of 2 ohms or less. To calculate your parallel load, as you have requested, use the following formula. 1/Total load = 1/mgongo speaker impedance + 1/HW-E5500 speaker impedance.
Example. If your mgongo speakers have a nominal impedance of 8 ohms and the HW-E550 speakers have a nominal impedance of 8 ohms, then the formula is 1/Answer=1/8 + 1/8
1/Answer = 2/8
1/Answer = 1/4
Answer = 4.
If your amplifier can drive a 4 ohm speaker load without clipping then you are OK.

Dec 09, 2013 | Audio Players & Recorders

1 Answer

My pioneer av receiver vsx1020 produces same sound in front and back speakers


Try changing surround modes. You might be in 5 channel stereo mode.

Mar 14, 2013 | Audio Players & Recorders

1 Answer

HW-E5500


This indicates a short in the audio output stage of the amplifier, check speaker wires for shorts, if okay! you will need to get the amp assessed.

Mar 22, 2012 | Computers & Internet

1 Answer

When i hook my samsung hw c500 home theater av receiver up to anything and turn it on, it goes straight into protection mode and shuts off. how can i get the protection mode to stop popping up so that i...


First, disconenct it and see if it can come up stand-alone.

Generally speaking, an amp attempts to protect 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.

Check for loose speaker connections at the speaker as a root cause for intermittent shutdown.

May 16, 2011 | Audio Players & Recorders

1 Answer

HW-C560S AV Receiver message display PROTECTION. I unplugged and plugged back in and still PROTECTION message. Is it time to take to shop? I know nothing about electronics.


Your set is in trouble my dear friend.
Protection will appear because the processor sense that you have a faulty parts on your unit.
To avoid further damaged, your system shut it off automatically.
The main reason is your Power amplifier I.C., it is shorted,need a replacement.
I"ve strongly adviced you to look for a qualified technician or electronic shop to fix your problem.
Good day!

Jan 02, 2011 | Samsung HW-C560S Theater System

2 Answers

Denon AV Receiver Model AVR3600 locked at'' Protection '' mode


The power supply is damaged and needs to be serviced. You have done exactly what you should have to test for an outside issue, it's the receiver.

Nov 02, 2009 | Audio Players & Recorders

1 Answer

My Sony STR-DG500 wont turn on just clicks once and nothing.


Sounds like faulty psu (pwer suply unit) Amp is going into protection mode. Disconnected all speaker and av wires (only power) turn up volume and see if it stays on. If not psu, sounboard or volume function faulty. If on, connect one speaker L or R. Go to tuner mode to tuned radio station an listen for sounds. If on, connect speakers and av cables one by one and test each one on its own until amp switches off, Investigate from there were problem is. Make sure speakerwires is not shorting out.

Aug 29, 2009 | Sony STR-DG500 Receiver

1 Answer

Goes into protect mode..


you probly have speaker wires arching. unplug them and replug thm in making sure no bare wire is showing

May 17, 2009 | Sony STR-DG520 Receiver

1 Answer

No sounds


Test one speakers at other amp to ensure its working. Amp is going into probable protection mode. Disconnected all speaker and av wires (only power) turn up volume and see if it stays on. If not sounboard or volume function faulty. If on, connect one speaker L or R. Go to tuner mode to tuned radio station an listen for sounds. If sound connect speakers and av cables one by one and test each one on its own until amp switches off, or no volume. Investigate from there were prolem is.

Feb 25, 2009 | Pioneer VSX-D710S Receiver

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