Question about Harman Multimedia AVR 745 Receiver

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AVR-745 Firmware upgrade

I was upgrading to the newer firmware and while downloading the upgrade to my Receiver the computer froze halfway to the update. Had to rreboot the PC and turn on the receiver again however all I get now is standby mode with no display. Tried resetting Reciever but only powers up to standby mode.
Is there hope or am I doomed...warranty is expired.

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Power off using the main power button behind the door for 10 seconds. Turn the unit back on and place in standby (amber power light). Press and hold the "SUR MODE" and "TUN MODE" buttons and the same time until the unit resets itself. You should be good to go after that.

Posted on Nov 16, 2008

I have done an update in the past/ ONE Thing/ you do not attempt to do an update at the same time you download the firmware update.
You always download the update/ Open/ Read the instruction and follow them as directed.
An Yes/ it is possible that you might be doomed/ but I would go back/ Download the update with out being connected to the reciever/ Open the download/ Make a folder for it to uncompresse to. Choose that folder when prompted as to where it is sent when uncompressing.
Then go to that folder and READ EVERYTHING FIRST. There is a folder in there that is named to read first.
Once you have read it/ you will see that it is easy to do/ and see your mistake.
I believe that if you try it again, (even though your reciever info is screwed up) it will take the full update.
Sorry about the caps/ I am not trying to yell or what every they say about caps. It just is really important to read everything first. If you don't think you understand what you read/ Read it untill you do understand it. Do more research until you do.

Posted on Sep 16, 2008

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Posted on Jan 02, 2017

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HOW TO UPDATE THE FIRMWARE


There may not be any facility to update the firmware for this model without taking to the service center. This model does not have any device input like SD card or internet connection that would enable download of firmware upgrade. The later Denon models have this capability.

You will have to consult the local Denon service center for advise.

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Denon AVR-1912 firmware upgrade failed


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.

Lots of others are having the problem with the firmware upgrade. Go to
http://www.avsforum.com/t/1334369/the-official-denon-avr-xx12-model-owners-thread/16380

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...

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How to solve service error 49.00 in hp laserjet 2430dtn printer


49.XXXXX ERROR
A critical firmware error has occurred.

1. Press Cancel Job to clear the print job from the printer memory.
2. Turn the printer off, and then turn the printer on again.
3. Go to http: www.hp.com/support/lj2410, www.hp.com/support/lj2420, or
www.hp.com/support/lj2430. Click Download Drivers and Software. Check for the latest firmware image version at the bottom of the page. If this firmware image is newer than the
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4. Try printing a job from a different software program. If the job prints, go
back to the first program and try printing a different file. If the message
appears only with a certain software program or print job, contact the
software vendor for assistance.

1. After performing the actions listed in the preceding item, if the message
persists when using different software programs and attempting specific print
jobs, disconnect all cables that connect the printer to the network or a
computer.
2. Turn the printer off.
3. Remove all memory DIMMs and thirdparty solutions from the printer.
4. Remove all of the EIO devices from the printer.
5. Turn the printer on.
6. If the error message disappears, reinstall each DIMM, Compact Flash card, and EIO device one at a time, making sure to turn the printer off and then on again (booting to the Ready
prompt) as you install each device. To replace a DIMM, see Appendix D - Printer memory and expansion in the LaserJet 2400 Series User Guide.
7. Replace the DIMM or EIO device that caused the error message.
8. Remember to reconnect all of the cables that connect the printer to the
network or computer.
9. If the error message persists, reinstall the firmware with the latest possible firmware upgrade. Go to http:www.hp.com/support/lj2410, www.hp.com/support/lj2420, or www.hp.com/support/lj2430. Click Download Drivers and Software.
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2 Answers

I have Harman kardon AVR 630 and I have trying upgrade for better performance but during the upgrade the problem occured. I have contacted the harman service it seems a lot of money required.


If it failed during the upgrade after it flashed the memory and before it reinstalled the new firmware it has to go in for service. And it will be over 100 USD. est.

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1 Answer

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1 Answer

Hp 2420 service code 49 2F90 what does it mean?


A critical firmware error has occurred.
Go to http: www.hp.com/
support/lj2410, www.hp.com/
support/lj2420, or
www.hp.com/support/lj2430.
Click Download Drivers and
Software
. Check for the
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this firmware image is newer
than the one installed on the
printer and the printer can
receive a firmware update,
download the newer firmware
upgrade. Not all printer
models can receive firmware
upgrades.
Failing that replace the formatter

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2 Answers

Firmware upgrade failure


Try this for the reset
First turn the unit off then
hold down the "Pure Direct" and the "Direct" buttons on the display at the same time. And while you are still holding them down turn the unit on with the power button on the display.
this should reset the microprocessor.

You will need to put all custom settings back in.

Let me know if this helps.

Dave

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3 Answers

Firmware upgrade


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Warning : -
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