Long time lurker, first time poster- I have read through many pages on this forum, but unfortunately I don't seem to be able to find an answer.
I have a 4310 bought from new and generally well cared for (and throughly used!). Recently I was finding that the HDMI signal was being picked up irregularly, and sometimes dropping out- the same was happening with the output to my projector. I tested (and changed) HDMI cable, not change, I tested the projector (it was fine), I did a reset/ firmware upgrade (and it all seemed to work....) but the HDMI issues continued, until eventually one day (about 3 weeks after the problems first started) the HDMI outputs stopped working altogether.
I took it to our local Denon Centre (in Australia) and they inspected it and have concluded that the HDMI card has died and needs to be replaced... but that the part is no longer made by Denon and that all remaining stores of the card have been sold. I have looked online and can't find it- given the amp is around 5 years old and was not cheap, this seems like an incredible outcome.
Reading through the forums and elsewhere online, I can see that I'm not the only person who has had this issue, so my question is this:
1. I know some others have had this problem from looking online, but is it common? Is it a defect in the design? Are there any other test that I could run?
2. Does anyone know where I may be able to get a replacement (part number is 8U-310030)
3. Failing the above, does anyone have a second hand board they may be willing to part with
4. Is this a problem that can be fixed- I have a rudimentary electronics lodgement, but can solder/ remove capacitors, etc.... I also have a friend with a great circuit board printer.... though looking at the HDMI card it does seem quite complex!
5. And finally, if I can't get this working would anyone be able to put this amp to use? Even for spares?
It just seems like such a waste.... and it does not give me a great deal of faith in Denon, though I have loved using it over the last few years.
Thanks in advance for any assistance!