HDMI boards on my 4308CI and 3312CI both shot and blown aghhhhhhh!!!! - AVS Forum
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post #1 of 15 Old 08-13-2012, 06:19 PM - Thread Starter
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I've had the 4308 for a few years now have switched to the HDMI ports that still work. Got the 3312 some time afterwards and now none of the back HDMI ports work, only the front one so I sent it to Technetron Electronics Inc in New York, NY on 29th street. After 8 days they are still waiting for the HDMI board part. I asked the girl who answered the phone if they checked anything else and she said no.

Is there some form of general overview or checking that the authorized Denon repair person should be doing?

To me there is a REAL issue with the Denon HDMI borads. To have the 4308 and 3312 both blow their HDMI boards is just too much IMHO.

Wondering if others have same issues?

Oppo 93 and Panasonic 80
6 Canton CT 1000's L-R - RL - RR - RSB - LSB
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FYI: the 4308 sounds MUCH better than the 3312 for music and movies.
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post #2 of 15 Old 08-13-2012, 09:45 PM - Thread Starter
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Do people from Denon ever come here to address these issues?
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post #3 of 15 Old 08-13-2012, 10:08 PM
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post #4 of 15 Old 08-14-2012, 11:04 AM - Thread Starter
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No I mean do Denon Tech's ever come to the AVS Forum to look at consumer issues?

Sorry if I was not clear!

Thank you
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post #5 of 15 Old 08-14-2012, 06:18 PM
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Posting multiple threads about the same topic is not going to help, you should go to the respective thread for your receiver.

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post #6 of 15 Old 08-14-2012, 07:12 PM
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I'm assuming you had 6" to 8" or clearance on the top and sides of both units?
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post #7 of 15 Old 08-15-2012, 09:01 PM - Thread Starter
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Yes and I also have dedicated Cooling fans. One cooling unit with two silent fans dedicated to each Denon.. Even with 12 Inches in the rear full open, 6 inches on top and 6 inches on each side the Denon runs hot with the 6 Canton CT 1000's.

Are you saying that HEAT burns out the HDMI boards? In my case heat is NOT a factor.
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post #8 of 15 Old 08-16-2012, 09:29 PM - Thread Starter
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Technetron Electronics Inc in New York City is having trouble getting the HDMI board for the Denon 3312CI - It's been 13 Days now. Does Denon have these defective HDMI boards on back-order?

Wondering if anyone else can give me their estimates on fixing the defective HDMI boards in the Denon Receivers.

Thank you
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post #9 of 15 Old 08-17-2012, 07:45 AM
 
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I had a 3808 whose HDMI board failed, as well as the main CPU board. I am buying an Onkyo 3010 now instead of waiting for the 4250 since I am a bit paranoid over such a high priced item.
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post #10 of 15 Old 08-17-2012, 08:06 AM - Thread Starter
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Sorry to hear that the HDMI board on your Denon was defetive too. I called Technetron Electronics Inc in New York City again today and they still have not even received the replacement HDMI board yet.

Denon should really change the design of the HDMI boards. My 4308 when I bought it was $2,500.00 and I expect better quality electronics for that kind of money. Now my 3312CI is shot too and it's AGAIN the HDMI board. I know the 3312CI is a cheaper product but it should at least work.

Once some of these products go on the bench they never work the same. On thing shorting out throws off another board in some way. Denon should ship new 3313's to those who got stuck with defective 3312CI units. IMHO mad.gif
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post #11 of 15 Old 08-17-2012, 10:05 AM
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I'm researching receivers for my living room and I read reports, on amazon, of the same hdmi problem on the 1912 and the 3312.

I don't think I'll be buying a Denon for the living room and will be paranoid about my purchase of the 2313 for the den. I sure hope they did something better with this year's models.

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post #12 of 15 Old 08-17-2012, 11:12 AM
 
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They very well might have. Denon, all in all, is a good company. They should have figured out their problem by now and fixed it in the current models. Time will tell.
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post #13 of 15 Old 08-17-2012, 11:15 AM
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Quote:
Originally Posted by sheshechic View Post

I'm researching receivers for my living room and I read reports, on amazon, of the same hdmi problem on the 1912 and the 3312.
I don't think I'll be buying a Denon for the living room and will be paranoid about my purchase of the 2313 for the den. I sure hope they did something better with this year's models.

We must be looking at different Amazon sites. On the one I'm looking at there are 60 reviews for the 1912 and only 1 mentions anything having to do with a defective HDMI board with an overall rating of 4/5 stars for the 1912. There are maybe 2-3 more reviews that indicated the AVR "burned up"; however, without further clarification, no reason to believe the issue couldn't have been a result of improper setup by the owner. Every mfr is going to have a small % (<3%) of defective units that pass through the QA process. Bottom line is that a failed HDMI board is NOT something that is a major issue with any of the XX12 (otherwise we'd see many more posts in the Owner's thread indicating that was the case) nor likely with the XX13 models either (although they've only been out a few months). Review the Denon XX12 Owner's thread linked in my sig for more info. Note the only issue that has come up in the past few months (in the Owner's thread) was a rash of defective "refurbished" 3312CI units that Denon shipped to Accessories4Less and would go in to protection mode shortly after being powered on.

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post #14 of 15 Old 08-17-2012, 02:35 PM
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^^^
Yes you're right there aren't a lot of reports on Amazon, but then I didn't say that either.

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post #15 of 15 Old 08-19-2012, 08:35 AM - Thread Starter
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I can only go with my own experience owning a Denon 4308CI and a 3312CI and both have defective HDMI boards. Still after 2 weeks can't even get the part from Denon.

The authorized repair shop tells me that the HDMI cards are on back-order and in great demand. Hence, a lot of people are having the same issue.

So far with only two Denon receivers in well vented installs w/cooling fans I have a 100% fail rate on their HDMI cards. Most people do not have cooling fans so I know it's not heat.

Both receivers use different, speakers, BR Players and TV's.

This to me is a very high fail rate. The Denon 4308 and Denon 3312 are supposed to be different classes of quality in the Denon Receiver lineup yet they both have HDMI cards that failed???

I would like to see both cards and compare them as well as the dates / ver numbers and factory they came from. There could more in common with the cards or the voltage. An HDMI card can put out 8 volts, that might not seem like a lot but if the board had one bad connection it's only a matter of time beore it's fried.

I was going to get the new high end Denon for my main video room but I need to know about these HDMI boards first. If they are the same I might go for the top of the line Yamaha.
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