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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  • Master
  • 624 Answers

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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Posted on Jan 02, 2017

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1 Answer

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
    "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
http://www.avsforum.com/forum/90-receivers-amps-processors/1386123-help-denon-avr-1603-shuts-down.html
Denon AVR 1603 Operating Instructions Manual Last Function Memory...

Jul 24, 2016 | Denon Audio Players & Recorders

1 Answer

Denon avr-1603 switches itself off


HI,
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.

Ajin

Apr 27, 2012 | Denon 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

1 Answer

The receiver turns on and immediately goes to standby


The unit is going into protect mode. Lets hope it has done the job and the receiver has protected itself from failure.
Protect mode can result from speaker wires touching each other or the Amps metal case. Check that first.
It can also be caused by unstable ohm loads if too many speakers are connected to any of the outputs especially zone 2.
If you can remove all speaker wires and turn the unit back on. If it stays on, turn the volume down on the main zone and zone 2 if connected. Then reconnect speaker wires.

Nov 18, 2009 | Denon AVR-5700 Receiver

1 Answer

After turning ON the power/standby switch, the unit(receiver) display comes ON (green light) then after approx.4-5 seconds the display goes OFF and the unit defaults back to the standby mode (red light). I...


Is the red light flashing at first?
The unit may be going into protect mode. Lets hope it has done the job and the receiver has protected itself from failure.
Protect mode can result from speaker wires touching each other or the Amps2_bing.gif metal case. Check that first.
It can also be caused by unstable ohm loads if too many speakers2_bing.gif are connected to any of the outputs especially zone 2.
If you can remove all speaker wires and turn the unit back on. If it stays on, turn the volume down on the main zone and zone 2 if connected. Then reconnect speaker wires.

Nov 16, 2009 | Denon AVR-485 Receiver

1 Answer

ITS ON STANDBY MODE & NOT ABLE TO GET ITS DISPLAY


Try this, not sure if the same would work for ya.

Swich off the amplifier.
Prior to the process check the wires connecting the speakers are not creating a short circuit which is apparently putting the amplified into a standy mode.

1. Press the "A" "B" and power key all at the same time and hold on to it.
2. The amp will go into a reset mode and will keep blinking till it gives a normal "click" sound and the amp turns on.
3. this process would take about 2 - 3 minutes.
4. You may then release the buttons.
5. If it goes into a standby mode again and does not power on, or the standby keeps blinking, get assistance from the engineer.
6. Once it is on, you shall need to do the resetting of alll the configurations done earlier.

Hope it works, it costed me 3k to get the job done.

Nov 12, 2009 | Denon AVR-1603 Receiver

3 Answers

Denon AVR-1508 Receiver problems - cuts off and goes into protect mode


Usually when the unit runs for a while before shutting down there are two possibilities:

1) There is a small amount of DC current present that effectively heats up the speaker coils enough to cause a temporary short circuit that kicks in the protect circuit.
2) The output transistors or bias transistors are sensitive to heat and breaking down again causing the protect circuit to kick in.

A few experiments to try:

1) Does the time to shutdown change depending upon the volume level?
2) Is there any background noise coming from the speakers? Listen to a blank tape for example. Is there a hum or any other noise that you would not normally expect?
3) If you have a DC voltmeter, check for any voltage between the speaker lines.

Update this and we'll try to narrow this down.

Dan

Aug 18, 2008 | Audio Players & Recorders

1 Answer

AVR-1603 - no Sound exept over Headphones is a weak signal


First check the outputs at the output fets/transistors for any DC voltage. Reference your voltmeter to the speaker - terminal. If there is ANY DC offset, the amp is shutting down the outputs to protect your speakers from DC. Is the power supply + and - 47 volts? If only one supply is there That is your problem because the supplies should be symmetrical. Also look for any wiring problems from the amp to your speakers... any shorts? Try disconnecting all your speakers to totally eliminate any speaker problem and see if the relays still click. You should hear only ONE click when you first turn the amp on (delay of about 2-5 seconds). If they keep clicking the amp outputs are next. Also, is there any indication on the front panel of what is failing?

Jul 29, 2007 | Denon AVR-1603 Receiver

1 Answer

B speaker shuts unit down...


You will have to disconnect the B speaker wires and disconnect the speakers and measure the wire with nothing on the wires as it sounds lkike you may have a pinched wire or shorted wire somewhere, or the B speakers one or both are bad. I am leaning towarods the shorted or pinched speaker wires. I say this because if there was an amp problem, it would happen on the A speakers too as the speaker A and B is nothing more then a switch to turn the desired speakers on and off. Good Luck

Mar 24, 2007 | Denon AVR-1603 Receiver

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