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Help Me Set Up My Denon AVR Please

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Old 06-25-2019, 10:28 PM   #1  
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Default Help Me Set Up My Denon AVR Please

My apologies for not posting here in many years, life happens.
I have an older Denon AVR that has been fine, so I messed with it and now having trouble getting back to a good starting point. I did a factory reset last week and that kind of neutralized everything. My sub is responding at about half it's capability? I noticed my front speakers [R&L] were out of whack. I have the right maxed at 12.00 and the left at 0.00 and the right sounded weak [balance wise]? So I did the reset after multiple attempts to adjust everything. I also ran the Audyssey Multi EQ set up with the microphone at 6 positions and that's when I noticed the sub drop even after maxing the adjustments.
I have not run the audyssey set up again.

I'm not digging it now. I can answer any questions for those interested in helping me get my sound back. I have been through all the menu's and adjusted what I wanted & have read the manual and it is nuts!

*Denon AVR 789 bought new around 2008.
*5/1 Polk Speaker set up.
*Sony Blu-Ray Player
*Samsung LCD
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Old 06-26-2019, 09:02 AM   #2  
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It could be speaker problems, or the wiring to them.

Try this, swap the L/R speakers around, if the problem follows the speaker (left one is now weak) then you need new speakers, if the problem stays on the R side then it could be a wiring problem, check that with an ohm meter, if the wires check out then the AVR has a channel problem.

Also check the polarity on the speaker wiring, if you have disconnected them in the past you may have one out of phase, this would affect the sound on a stereo broadcast, one side would sound weak.

Do you have a stereo sound check CD or DVD? If not then here is a source to burn one for your self.

Code:
https://realtraps.com/test-cd.htm
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Old 06-26-2019, 06:32 PM   #3  
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Thanks Terryl3 for your advice. I swapped the two front speakers last week and the right side still was weak so we know it's not the speaker. I checked phase today and that was correct. I am able to get the channels balanced but the levels are way different. I think it is a setting rather than an electrical problem? How do you explain the sub level dropping after using auto set-up [Auddesy multi EQ]?

Since the factory reset, I am not able to get the sub level up to where it was before the set up? Maxed out is not as strong. I changed the crossover to 80 which is the default so why is it weal. I tried LFE alone and with main with little change.

I notice as I go through the menu's and make adjustments, some changes knock out other settings I have spent lots of time with. Not a defect, just a pain in the ass.

I believe it may be possible that the fader settings are not right? I tried playing with them a while back without luck, the weak speaker may have started around that time? [I have not been able to adjust the fader front or rear] but just turn up the volume while in the menu, don't know if that is how you adjust it?

Wow, that's a lot.
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Old 06-27-2019, 11:29 AM   #4  
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It very well be that the AVR was on it's last legs, (11 years old) and your playing with the adjustments and doing a re-set may have helped it over the wall.

After swapping out the speakers and checking the wiring phase it's still weak on the "R" side may be an indication of a bad channel pre-amp or main channel amp, the same for the subwoofer channel.

One thing to look for would be inside the unit, do this with the unit disconnected from the AC main supply and wait for about 10 before opening it units cover, then look at the small metal cans on the main or pre-amp PC board's, these are electrolytic capacitors, over time they can and do dry out, an indication of a bad cap is the top will be bulging up or looked domed up.

These caps are also in the low frequency cross-over for the subwoofer stage, if you see any indication of this problem, and you don't have the soldering skills needed to replace them, then I would take it to a repair shop and have them do the work.

Here is what a bad VS good cap looks like...
Attached Images
File Type: jpg Bad vs good caps.jpg (5.5 KB, 29 views)
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Old 06-27-2019, 05:45 PM   #5  
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After 11 yrs It's time for an upgrade for probably 1/2 the price you originally paid you can update to all new features cheap go to https://www.accessories4less.com/ great site.

here's a nice AVR https://www.accessories4less.com/mak...-w/heos/1.html

Last edited by ImRizzo; 06-27-2019 at 06:14 PM..
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Old 06-29-2019, 05:32 PM   #6  
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After only 11 years it needs to be recapped? Talk about cheap parts. I have had so much going on with audio equipment shipped all over the USA [ 1980's] being recapped and updated I'm not going that route with the Denon. It is working now and getting better the more I tweak it, I don't believe it needs a repair. I have guitar amplifiers over 50 years old with original caps working perfectly. I guess they don't make them like they used to. I never liked my Denon AVR for music anyway. Sounds great for movies in surround but audio CD's sound like crap. That's why I buying a 80's Carver audio set up now, killer tone. The Denon's manual is over complicated and I will pull it out and check all the rear connections, deoxit and see what happens? I really believe it is the software that is causing problems not caps. Thanks for the suggestions and links. I may just ditch it and connect my tv to the 250 watts per channel Carver M-500 amplifier, no dolby, no THX just great tone. I told my wife after we move soon, I think I'm just getting a good sound bar & sub? We'll see? Man, they make junk today.
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Old 06-30-2019, 12:27 PM   #7  
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First rule to the manager of materials purchasing, from the big boss.

"Buy the cheapest parts you can find that may just quite meet the electrical spec's, and don't listen the screaming from engineering."

First rule to the director of engineering, from the big boss. "Design all units with as short a life span as possible, but make sure it outside of the warranted period"

This makes for more sales in the future.
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Old 07-02-2019, 09:42 PM   #8  
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Quote:
Originally Posted by Terryl3 View Post
First rule to the manager of materials purchasing, from the big boss.

"Buy the cheapest parts you can find that may just quite meet the electrical spec's, and don't listen the screaming from engineering."

First rule to the director of engineering, from the big boss. "Design all units with as short a life span as possible, but make sure it outside of the warranted period"

This makes for more sales in the future.
Well I would be a fool to buy another Denon, doesn't make much sense for Denon or anyone else to follow this rule? Cutting costs makes sense not making crap & expecting customers to remain loyal.

I haven't had time to mess with it. My cable provider just updated my DVR box [ firmware update ] and the sound has been much better.
[remember the cable provider sends video & audio via a coaxial cable]
So this could be a good place to start looking for problems? Might be something as simple as an HDMI cable? Need to get behind it and check cables, then DVR settings again.

Thanks again.
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Old 07-08-2019, 05:05 PM   #9  
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Had a chance to check things out yesterday, checked cables, speaker connections, swapped out the HDMI cable and ran the auto set up again. Got my Sub back after the set up but right front speaker output is still weak. So the auto set up fixed the sub weakness but nor the right front channel. Weird. Appears the Denon AVR has problems. Will use it as long as I can, not really looking to replace / repair it now [still waiting on Carver audio gear I'm having recapped & updated]. New AVR's are probably much better and less expensive now? My Denon has been too complicated to really explore it. Too many software parameters that appear to make very little in improvements. And lets not even talk about using it to listen to music. I'm not liking digital home theater at all.
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