Question about Philips FR965DHT Receiver

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Stand By Mode

I have a problem with the reciever going into stand by mode. I have disconnected all speakers and so forth and it still goes into stand by. It use to only happen if say speaker wires were touching but not now. Please Help.

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Re: Stand By Mode

Same here ,men , i start the tearing apart hehehe, and i think it can be one the little chip located behind the control panel so i remove the white ribbon, the one looking like an ide connector for a hard drive, and guess what it turns on, but when you connect the ribbon just goes back to stand by mode, maybe requires a flash on one of the little chips, same thing happen to a lap top that i use to have, just shorted 2 of the pins and start working normally, im gonna find more info but there sems to be nothing about this amp, high five from mexico men

Posted on Jul 08, 2008

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Onkyo tx-ds989 goes to stand by mode just playing for 3 second ... rest every thing is ok I just hear a click sound (relay switch off) and it goes to stand by mode again switch it on .... same thing...

Check the speaker wiring on back that it is not shorting against one another, output ic's may have bad solder connections and should be checked carefully.

May 28, 2012 | Onkyo Audio & Video Receivers

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My Onkyo tx-ds595 reciever turns on but after 5 seconds it goes into protect mode. I really would like to fix this porblem myself. Please help.

This can be caused by shorted speakers or speaker wiring, disconnect all the speakers and see if the problem goes away.

Mar 04, 2011 | Onkyo Audio & Video Receivers

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As soon as the speakers are turned on, there is a popping noise through the speakers then the receiver shuts off and stand bye light blinks

Sounds as if you may have a bad speaker component that is causing the unit to go into a protection mode to protect the unit from shorted speakers/outputs. Try to unplug the speakers entirely and then turn on the unit...If it still does this and goes into standby with the speakers disconnected then there is a problem probably in the audio amplifier circuit that will need servicing by a technician. If the unit stays on..then I would try to put different speakers on the unit to see if it works..if so, then suspect your speakers...if not , then suspect the receiver

Jan 06, 2011 | Audio & Video Receivers

1 Answer

When on the stand by button on display come and display showing protect how do i rectify the protect mode?circuit diagram?

protect mode comes on generally when speaker have shorted. disconnect the speakers & try. If it powers on properly try one speaker at a time till you find out which speaker is causing the problem

Dec 23, 2010 | Denon AVR-2800 Receiver

1 Answer

When i turn power on it came on and says protect then turn off..please help

The reason why this is happening is because the reciever is going into protection mode due to a short circuit to the amplifier. It might be a speaker that is shorted out internally or there might be some speaker wires making contact with each other at the back of the reciever or at the speaker. The first thing I would do is disconnect all the speaker wires from the back of the reciever(make sure to label them before removing so you know how they go back). After removing the speaker wires turn on the reciever and see if it goes into protection mode. If it does then there is a good possibility that the internal amplifier might have a short. If it does not go into protection mode then that is good because there is more than likely a short on one of the speaker wires or speaker itself. Now connect one set of speaker wires at a time. After you connect each one try turning on the reciever until it goes into protection mode again. When it does you will have your culprit. Then try swapping speakers with that problem wire set and see if it still does it. If it does then it could just be the wires but also switch the wires to verify that the amplifier does not have a bad channel. If swapping both the wires and the speaker swapping produces the protection mode then that channel for the amplifier will be defective. I hope I have not confused you too much.

Aug 17, 2010 | Audio & Video Receivers

1 Answer

Receiver goes to stand by when turned on. All components and speakers disconnected and still goes to stand by. Any suggestions?

This is most likely a "protect" mode. A problem has been detected and the unit shuts down to prevent further damage. The most common cause of this are defective output transistors. Plan on a parts cost of $25-$40 for this repair.


Jun 15, 2010 | Onkyo TX-SR500 Receiver

1 Answer

Hi, after i turn the power on and then press the stand-by button, it clicks off to stand-by mode instantly. This is an Onkyo TX-SR500

This indicates that the system is going into protect mode. First disconnect all speaker wires (with the power cable disconnected). Then turn the unit on and see if it sill shuts aff ofter a few seconds. If it does not, then you have a problem with the speakers or speaker wires. inspect the wires at both ends for frayed strands that may touch. If that all lookd good, plu the speakers in, one at a time, until the problem reappears. Be sure to turn the sytem off before plugging in any speaker just to prevent any accidental short which could be catastrophic. If the system goes into protect mode with all speakers disconnected, you probably have a shorted output transistor.

Apr 05, 2010 | Onkyo TX-SR500 Receiver

1 Answer

My denon avr1200 receiver once it is turned on goes into Protection mode. How do you reset or make work?

The reciever will go into protection mode when there is a short in the speaker wires or the amplifier was overloaded. What I would do first is verify that none of the speaker wire connections are loose at the back of the reciever or at each speaker. And verify that none of the wires are making contact with each other. Then label each speaker wire as you remove them from the reciever so you can re-install them correctly. After you have disconnected the speaker wires try unplugging the reciever for 10 to 15 minutes. Most recievers have a self-resetting overload protection switch and this should reset it back to normal. Now try plugging the reciever back in and turn it on without the speaker wires connected. It should be out of protection mode now. If it is still in protection mode verify that there is not a reset switch somewhere on the back of the reciever. If it is not in protection mode now then proceed to connect one speaker set at a time and turn on the reciever to see if it goes into protection mode. If it goes into that mode after connecting a speaker then that speaker is the cause of the problem. If it does not go into the mode after all speakers are connected then try turning the volume up. If it goes into protection mode then there could be an internal short on the amplifier or a incorrect OHM rated speakers connected to reciever. Verify that the speakers are rated the correct OHMS.

Feb 22, 2010 | Denon AVR-1200 Receiver

1 Answer

I have a denon avr amp it powers up then goes in

disconnect all connections cycle power if the power stays on reconnect equipment one at a time cycling power after each peice reconnected. If the power goes back to stand by with nothing connected the reciever needs repair

Jul 18, 2009 | Denon AVR 2808Ci Receiver

1 Answer

Denon reciever

Sounds like you are exceeding the maximum power output of the receiver. Try disconnecting some speakers (and switch to A-only mode if your model has multi-zone) and see if that makes a difference.

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