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Re: 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
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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."
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.
No, you have to follow the procedures in the manual to inform the unit that there is a subwoofer, then select some parameters on how it is used depending on the functional sizes of your other speakers.
Front panel button engaged for 5 or 7 channel operation? Also check front panel rear surround speakers button is engaged. Should get you back to 7.1 unless you have changed the rear surround speaker setup for a 2nd zone, also be sure you have a 7.1 DSP setting enabled.
You will need an adapter amp which converts the tiny tiny signal from a
magnetic phono cartridge up to the line level that you need to feed
into your AUX input jacks. They cost about $20 to $30 dollars and
can be found at Radio Shack. Unless of course you have a phono
input jack on the back of your Denon unit. Good luck.
Denon AVR-1403/483One of the speakers when connected trips the units power off. Disconnected it and it works OK without that channel. Connected a different speaker and wire to that channel and it does the same, trips power off. It's acting like a when two wires are shorted. This is not the case as I have tried different wires and speaker. Not sure whats going on. Presently running system without that channel. Hope someone has an idea.
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.
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?