Denon Audio Players & Recorders - Recent Questions, Troubleshooting & Support


download AVE1907 service manual and check all voltages supplied to panel including (positive and negative voltages as well as an AC voltage.
). If they are correct, replace all capacitors located on this board.

Denon Audio... | Answered on May 19, 2019


The carousel indexing mechanism has failed. A common failure of this type of player

Denon Audio... | Answered on May 13, 2019


Order the service manual directly from Denon.

Denon PMA-100M... | Answered on May 13, 2019


Its possible you have a bad audio driver board that once it heats up starts causing that problem. Try taking to radio shop unless your good with electronics.

Denon Audio... | Answered on Apr 26, 2019


Download your av-amp model service manual to solve the problem.

Denon Audio... | Answered on Apr 24, 2019


Page 8 shows the input options. Cable should be the same as FM input:
https://usa.denon.com/us/product/hometheater/receivers/dra395

Denon Audio... | Answered on Apr 21, 2019


“The switching from one source to another has sucked since day one.”Problem comes from front panel, switches, OR CPU switch control circuit.

Denon Audio... | Answered on Mar 30, 2019


“Denon AV 1801 doesnt appear to power up even though the screen comes up.”Screen lit up means CPU does not have any problem. Did it power up within 5 second? If yes, find out which protection is now working. “Also there is no sound output” May be DSP problem. Remember to download AVR1801 service manual to check protection and DSP problem.

Denon Audio... | Answered on Mar 24, 2019


Two resistor are open circuit(R141,R142). Replace them

Denon AVR-1801... | Answered on Mar 22, 2019


“when up & down scan buttons pressed, just keeps scanning w/out finding station. it does lock into a station when manually scanned. need reset & if so, how?” Don't worry. Your amp is normal. Your situation happens to any denon, onkyo and yamaha av-amp always due to extremely sensitive tunning unit. No need to reset. Tune any wanted station by another radio and jot freq. down. Enter desired freq. into the av-amp and store it.

Denon Audio... | Answered on Mar 17, 2019


May be DSP problem enter debug mode to confirm. Download denon1709 service manual first.

Denon Audio... | Answered on Mar 15, 2019


Dear
The receiver is in protection mode, which means you have a problem in the power supply unit ... needs servicing.

Kind regards

Denon Audio... | Answered on Mar 07, 2019


I fix these receivers for a living and can tell you with certainty that the problem you have is one that will require the replacement of several parts. You will need to know how to solder and be able to purchase the proper parts.

There are 3 different most common reasons that they go into the protect mode, which is what is happening to your unit now.

1. Has a blown output channel in the amp that will require the replacement of both output transistors of the bad channel and the replacement of several resistors and a coupld of other transistors and a capacitor in the affected channel. You wil lneed a multimater to be able to check and findout which channel is bad. I can supply you with the part numbers you will need for the repair if you plan on doing it yourself.

2. A voltage regulator in the power supply is bad. They have several voltage regulators and it is a common problem for one to go bad. Once again you will need a multimeter to check and find which one it is and then get the part and replace it. I can supply the part numbers for you if needed.

3. A resistor that supplies the amplfier circuit has opened up and needs to be replaced. This is the least expensive repair, but not as common as the other two. Only one resistor would need to be replaced. You need a multimeter to verify that it is bad, I can tell you which resistor to check and loet you know by the readings with the meter if it is bad.

Those 3 problems are the most common reasons for the receiver to shut down like your is doing. I work at an authorized Denon repair center and have repaired hundreds of Denon recievers so I am certain that the problem you have is one of these three listed.

Let me know if you plan on trying to fix this yourself and I will guide you thru the repair and even email you the service manual for a reference to do this repair. It is not an easy job, but it is the problem you are having. As I said before, I fix these receivers all the time myself, and I know how to fix them. Let me know if you want further help with this.

Dave

Denon Audio... | Answered on Feb 27, 2019


“It used to work perfect until I put it in storage for 8 years. When I hooked it up There is no sound and it won't switch the inputs.” After 8 years , some capacitors used in switch input circuit, (capacitors used in DIR, DSP and DAC circuit make no sound)may be dry up. Replace them all to fix the problem.

Denon Audio... | Answered on Feb 19, 2019

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