Question about Denon AVR-1603 Receiver

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Denon AVR 1603 goes to stand by mode

It goes to standby mode moment it is switched on. Tried after removing speaker wires but same thing.

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  • Anonymous Mar 26, 2014

    receiver going to protection mode

  • Anonymous Mar 30, 2014

    no display at all.
    when I plug it in the red standby light flashes then stays red.



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It has a blown channel, unless you are good at repairing them I suggest an authorized Denon service center. This Denon not only needs the shorted output transistors replaced, but a few resistors, a couple of driver transistors and a capacitor on the preamp board as well. alot of parts to be replaced. I have repaired about a hundred of these over the last few years and my shop charges about $200 for this repair, other shops should be about the same.

Posted on Jun 17, 2008


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Denon AVR1603 RESET

Starzy, to reset on a Denon AVR-1603
  • power off the unit using the front panel Pwr switch
  • press and hold SPEAKER A and B buttons;
  • keep pressing on the speaker buttons, switch on the AVR
  • when the display is blinking release buttons Check the attached links,instruction and guides, Good luck
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Denon AVR 1603 Operating Instructions Manual Last Function Memory...

Jul 24, 2016 | Denon Audio Players & Recorders

1 Answer

Receiver standby sound

If the receiver goes into protect mode with no speakers connected, you will have to troubleshoot the receiver itself to find and correct the problem.

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My p315 speaker stays on standby and won't power up?

some design need audio signal in to get it wake up from standby mode.

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My Panasonic sa-ak770 will not come out of standby mode

Check to make sure there are no shorts in the speaker wiring, if okay remove speaker wires from back, press power if it comes out of standby the wires or speakers are the problem, if there is no change the protection circuit is not functioning or the audio output ic's have a short.

Jun 09, 2012 | Panasonic Audio Players & Recorders

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Denon avr-1603 switches itself off

Fist of all you have to disconnect all the speakers From AVR. Then switch ON the AVR . If its working normally then any of the speaker or any of the wire to the speaker is faulty. If so connect the speaker back one by one and check on which speaker connection does the AVR shuts off. That speaker or the wire to the speaker is faulty.

If the AVR is not functioning properly even after removing the speakers(shuts off) then there is internal fault with the amplifiers stage. Normally Dry soldering on the amplifier circuit board or any of the output stage is faulty. To rectify the same need professional support.


Apr 27, 2012 | Denon Audio Players & Recorders

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My yamanha Amplifier AX-397 does turn on.. Everything is connect right but when I turn it on it goes on Standby mode and them when I remove it it goes on for about 5 seconds and then returns to standby...

There is a problem in the power stage or driver stage of the amp.Take it to a repair shop and ask them to give you an estimate to repair it .I am assuming that your speaker wires are not shorting to gether where they connect to the amp,as this will cause this problem.

Jun 18, 2011 | Audio Players & Recorders

1 Answer

I have a Av receiver tx-sr506,and it has these proble,the standby led is flashing and when turn on it goes back to the flashing standby mode,can i have any idea to fix it or any tech who can fix it.

The flashing indication is telling you to seek professional help. You have have a short circuit in your output stage and your Onkyo is going into protection mode to prevent further damage. The least you can do is to switch off speaker A and B and try switching on the Receiver. If the then the system turns on you have an external shorting in the speaker wire or speaker itself.

Apr 11, 2011 | Audio Players & Recorders

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 Players & Recorders

1 Answer

Two front channels don't work, speakers and wires

First of all please check the mode in which you are operating. Use the tester to see if there is tone on the speakers. Use a good DTS source and swtich over to 5.1 to check for requrired levels. If there is no sound yet, please open the cover and check for the connections to the front channels, check if the relay is clicking. You will have to look into the output mosfets for damage. for this the main board has to be accessed. If you think that you are not able to go deeper into find out the nearest Denon service centre. many such centres do not accept a set if tampered and so you need to be careful not to make it more costly. Hope my advice helps. Good day

Jul 06, 2010 | Denon AVR-1603 Receiver

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