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I have a Denon AVR s900 I am trying to update the firmware but it keeps failing. The update repeats and now the unit is not usable. How do I stop this?
Re: I have a Denon AVR s900 I am trying to update the...
Try pressing and holding the "tuner preset ch +" and "tune - " buttons and pressing power. The entire display should light up and blink. This should stop the firmware retry loop.
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If you have verified that the Denon AVR 3310CI is properly configured and connected to the speakers but are still unable to hear anything, you can try the following troubleshooting procedures:
Examine the HDMI cables: Check to see that the HDMI cables are securely connected to the HDMI output port on your source device and the HDMI input ports on the receiver's back. To see if that resolves the issue, try substituting new HDMI cables.
The microprocessor must be reset: The functions of the Denon AVR 3310CI are controlled by a microprocessor. Try powering the receiver back on while simultaneously holding down the "Power" and "Speaker A" buttons to reset the microprocessor.
Check the settings for the sound: Check that the sound settings on the receiver are set up correctly. To ensure that the settings are optimized for your particular setup, check the model's manual.
Aktualize the firmware: Check to see if the Denon AVR 3310CI's firmware can be updated. For additional information on how to update the firmware, you can visit the Denon website or get in touch with their customer support.
Use a different source to test: To determine whether the issue is with the receiver or the original source device, test it with a different source device.
Thist could be due to a short in the amplifier or in the power supply. You can try the following: disconnect all speakers and components. Then see if the unit powers up. If it does, turn it off, connect one item at a time until the unit fails to come on. That may identify the bad component.
Probably damaged by power surge. If you do not have experience diagnosing and repairing electronic circuits as well as having access to schematic diagrams then this is not a repair for you. Failure to replace all damaged components may result in damaging new parts.
Unfortunately a failed firmware update will result in an inoperative unit. The solution is to update the firmware directly to the chip. Not a DIY solution. A local Denon repair center will be equipped to do that for a nominal fee. Your unit is a bit older to get much help from the main company.
If you are handy you need a chip burner and the proper setup and then force the firmware onto the chip. Lot of computer guys may have that around to help.
I'm having the same problem, Denon has taken down the firmware upgrade for yours ( and mine) AVR-1912. My receiver is also stuck in the update fail loop. Supposedly they will have it back up, but I don't know the timeframe.
and that should help you out, though I can't say how much. I've gone as far as resetting the microprocessor, but it keeps trying to update, and then fails...
Seems you cannot fix this issue yourself. If the unit is still under warranty, Denon will replace a chip which has a flawed firmware. The unit cannot be updated remotely and a physical repair is necessary.
most electrical units have a fuse inside,try taking cover off and checking for blown fuse,or,take it to radio repair shop.My Harmon Kardon stopped after 3 years,and the report said the unit that failed was quite a common problem for the modern multi channel amps,quite cheap to fix..All my tips are free
I am assuming you are connected HDMI?
This is a common problem when connected with HDMI. HDMI checks for HDCP codes every three seconds and if it doesnt get the proper response from the devices or repeater (amp) it will drop the connection and ask again in 3 seconds. If it receives the proper key it will display the signal again.
Have you tried the firmware update?
http://www.usa.denon.com/AVR-4308CIFirmwareUpdate-Web1128.pdf
I hate to say this but HDMI is not perfect yet so there may not be a solution to this except to drop your inputs and outputs to component video and digital audio. The only source that will be effected from a resolution stand point is a BluRay which can only display 720p or 1080i (not 1080p) when ran through component video.
If your using HDMI, pull it from the receiver and run directly to the TV, then run optical or digital coaxial to your receiver. It's referred to in the industry as a "Handshake" issue. It has to do with firmware and hardware of your receiver and continuous ridiculous updates from the recording industry to protect copyright. Hope this helps. If you still have issues, post a comment and I will help you troubleshoot further.
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