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The "Official" Onkyo TX-SR876 Owners Thread - Page 168

post #5011 of 5049
70 degrees C is equal to 158 deg F... 44 degrees C is 111 F....

All I know that my 905 and 906 got so hot, I could not leave my hand on the top more than a second or two....
post #5012 of 5049
Quote:
Originally Posted by audio4life View Post
 

70C?  That is much higher than I've ever heard of.

 

My 876 was running at about 44C before I put a fan on top which knocked it down to 39C.  5 years in, and not one issue with heavy usage.  

Mine ran between 56° and 60° C initially... stays between 34° and 38° since I put dual 120mm fans on it when it was about two weeks old.  It has run an average of 14 hours per day since the day I got it just shy of five years ago.  Knock on wood... it hasn't given me a bit of trouble.

 

That said... I don't think there is any denying that there are cap underspec issues with these units, but for whatever reason MANY manufacturers had similar issues with underspec'd and overheated caps in their equipment of around the same vintage.  I personally have had the same type of cap issues with Samsung, Panasonic and Soyo products from that same time frame.  I also think there are thermal issues (the temps that trigger the internal fan are ludicrously high) and also mechanical board/connection seating issues (as witnessed by those who have had failures and/or miraculous self-repairs occur during shipping).  So, even though I have not experienced any of the issues that seem to be all too common with these units, I won't give Onkyo a pass either.


Edited by jcalabria - 12/17/13 at 11:54am
post #5013 of 5049
Quote:
Originally Posted by ap1 View Post

Just search this forum and you will see how many receivers had video processor board failures. It starts as intermittent error, then progresses to the worse. Video board has multiple HDMI processors, each of them with its own power regulator. When capacitor fails, so does regulator and you loose one or more ports. As for the temperature - I measured it myself using infrared thermometer after two hours of watching movie.

I read these Onkyo threads for years and owned probably 10-12 different Onkyo receivers/preamps since 2007..all Thx ultra rated models except for the 807
still have 4 units now....so I am well aware of what people say in the forums and clearly have personal experience as well


I guess I thought when you used a percentage of failure in your statement..it made me assume you had solid statistics from where you obtained that information

Based on that...I would say a few things would could skew your statement

My understanding is that Onkyo sells a lot more units than any other Asian manufacturer...and no I dont have any figures that are solidly verifiable

You will typically hear more from the people that have problems than when things have gone well...ESPECIALLY on the internet.


Warren
post #5014 of 5049
Quote:
Originally Posted by jcalabria View Post

.  I also think there are thermal issues (the temps that trigger the internal fan are ludicrously high) and also mechanical board/connection seating issues (as witnessed by those who have had failures and/or miraculous self-repairs occur during shipping).  So, even though I have not experienced any of the issues that seem to be all too common with these units, I won't give Onkyo a pass either.

that happened to me with an 875 I bought as junk

guy shipped it to me and it worked fine....

said his shop told him the HDMI board was shot

this brings up the point ...to me anyway....that connection/seating issues should not be diagnosed as a bad HDMI board

makes me question the Audio shop that diagnosed the unit and their competency


Warren
post #5015 of 5049
Hey guys, just picked this receiver up for a song! Should be a nice upgrade to my SR607, and I'm mostly curious to see what MultEQ XT can do vs 2EQ. I had a 606 previously and the HDMI board went out -- some guys on here figured out how to replace the caps with higher quality ones. Has anyone had the same problem with this receiver and done the same?
post #5016 of 5049
Quote:
Originally Posted by crakarjax View Post

Hey guys, just picked this receiver up for a song! Should be a nice upgrade to my SR607, and I'm mostly curious to see what MultEQ XT can do vs 2EQ. I had a 606 previously and the HDMI board went out -- some guys on here figured out how to replace the caps with higher quality ones. Has anyone had the same problem with this receiver and done the same?

Search relevant thread. There were instructions for 876
post #5017 of 5049
Quote:
Originally Posted by ap1 View Post

Search relevant thread. There were instructions for 876
Thanks, I found several threads, and am including my findings here (for my own reference if nothing else).

Quote:
Originally Posted by Scottie2 View Post

There are 13 of the same 100uf 4V caps on the 876 HDMI board. 5 on the top and 8 on the bottom side.




Quote:
Originally Posted by DaCeez View Post

Just want to add one work-saving feature. You DO NOT have to remove the 100uf caps and risk damaging the PCB. Instead you can simply solder a new capacitor in parallel. Moreover, you can solder them directly on the relatively heavy duty leads of the voltage regulator associated with each capacitor (see the picture that shows which voltage regulator leads are connected by the PCB to which capacitor leads). These leads offer more surface area with which to work, simplify soldering, protect the delicate PCB, and structurally support the new radial or axial cap better than soldering it to a tiny trace that was designed only for a surface mount capacitor.

Quote:
Originally Posted by Scottie2 View Post


Replacement 100uF caps
Higher quality replacement caps
post #5018 of 5049
Not sure if this has been available, I have seen the 875 service manual but not 876. I've attached the 876 schematic here in case anyone can use it. onkyo_tx-sr876_sm.pdf 2254k .pdf file
post #5019 of 5049
I'm hoping someone can help me diagnose this HDMI problem that I am having with my 876. It doesn't output via HDMI, but it does recognize devices providing HDMI signal. The OSD doesn't even display when in setup mode. I replaced the 100uF caps but it didn't affect the behavior at all! I bought this used and the firmware is already fully updated.

Has anyone seen this behavior before?

EDIT: Turns out, I just needed to change from the default of analog output to HDMI output!
Edited by crakarjax - 12/28/13 at 9:16am
post #5020 of 5049

Can't help in that one, have a thing of my own though.  The Sony 570 bluray player connected to my 876 was fine, but I suddenly started to experience hdmi issues, or so it seemed.  Changed cables, no fix.  Changed hdmi input into the 876, no fix.  Finally swapped out the player for another, and problem solved.  Upon further investigation, I had stacked the sony on top of my TV box in a partially enclosed shelf.  The motorola cable box runs warm, and I think it cooked the sony over the course of 2 years.  But the 876 is still rock solid 5 years in.

post #5021 of 5049
Can I ask for a link to newest DSP1 upgrade for Onkyo 906/876?.

I have atm 08919A and I need at last 12116A.

I was able to find file for x05 series...But that won't work with 906/876.

Or maybe someone can share by email.

US Onkyo can send only to North America.

Ps..I noticed problem on Elysium movie arround 00:47:30--00:47:35 time movie.
Best regards.
post #5022 of 5049
Try to search for it on my Hard Disk....i will upload it for you.
post #5023 of 5049
Quote:
Originally Posted by Lerxst 2112 View Post

Hello,
My TX-SR876 just lost all audio output. All the other functions such as video switching works fine—including HDMI inputs. But there is no audio from any speaker nor the headphone jack. No audio on Zone 2 speakers either. I've tried using various analog audio inputs as well.

I ran a Debug sequence (hold Display & StandBy, then Tone+). It gives me:

DSP1st
?????? ??????

Same with DSP 2nd and DSP 3rd. The last part of the Debug sequence yields the following which seems to indicate a problem with the DSP or MPU, or a problem with the interface between the two:

0A48KON/027?x
0303030 0 005

The guy at the local authorized service center said it was "probably the HDMI board because all audio passes through the HDMI board." (I am not an Onkyo certified technician, but I don't think that's correct. I am skeptical this is a kneejerk response given all the known issues with the bad caps on the HDMI boards. Indeed, I have personally repaired the HDMI board in my TX-SR606 when it lost it's HDMI functions.)

Can anyone offer a suggestion or experience with a similar problem? It would be much appreciated.

Ralph

Were you able to fix your problem? Our power went out last night, and when power came back on, the sound no longer worked. I get the same uninformative DSP1st ?????? ?????? in Debug mode.
post #5024 of 5049
Well, yes, but I'm not sure it will help you or your situation. Figuring I had nothing to lose, I replaced some caps on the audio switching board (filters around the voltage regulators). It did not seem to make a difference, so I took it to a local authorized service center. They kept it for two weeks and said it was working and continued to work while they had it. The tech was not very forthcoming, but I suspect he used a heat gun to re-flow the solder connections on the switcher board. Can't prove it. They said they would install new firmware, but I don't know if they did or not. It may be possible that's all they did. Mine seemed to wig out following a power outage as well.
Regardless, it was working when I picked it up and it has been working for the past 10 months since with heavy usage.
post #5025 of 5049
Quote:
Originally Posted by turnne1 View Post


start with the simple

fresh batteries in the remote?


Warren

 

Yes, good batteries, in multiple Onkyom Logitech, and other universal remotes.  I should mention that the problem is intermittent.  Wish I could figure it out.  I guess nobody else seems to have this problem.

post #5026 of 5049
Quote:
Originally Posted by ChiliConCarnage View Post

Yes, good batteries, in multiple Onkyom Logitech, and other universal remotes.  I should mention that the problem is intermittent.  Wish I could figure it out.  I guess nobody else seems to have this problem.

Have you tried a factory reset?
post #5027 of 5049

Hi new user and need help if possible?

 

My HDMI board of my 876 has been acting oddly takes ages to sync video and occasionally I get sparklies then the output goes to just a noisy grey screen so I have to switch inputs or turn amp off and on.

 

Anyhow I decided to change the caps to see if that would work and in my haste I've managed to lift the tags from the board with the old cap so now have nowhere to solder to (yes I feel a complete fool) is there anywhere I could solder another one to or make a repair or have I just broken it?

The cap taken off is on input 1, it still works but there is video noise on the picture.

 

Hopefully

post #5028 of 5049
Omg, I had the same problem today!

power went out today and when it came back dsp is ????????

Anyone have the dsp firmware to fix it? it seems like i need a optical cd player to fix it. or where can i get it to get fixed?

thanks
post #5029 of 5049
Anyone have the firmware files somewhere?

It seems like all the links I found are dead.

Thanks
post #5030 of 5049
Quote:
Originally Posted by thebuzzer View Post

Anyone have the firmware files somewhere?

It seems like all the links I found are dead.

Thanks

Good luck with that... I also found the links all outdated. I tried contacting Onkyo but they will not give the firmware updates out anymore. You have to send it in to a service center to get them flashed. The only updates they now send are the ones for the DTS HD Master bomb issue...
post #5031 of 5049
where are the onkyo service center in southern california?

i am not sure where i can go to get it flashed
post #5032 of 5049
i found the files yet it seems like when i try doing dsp firmware it doesnt work,

i think my onkyo audio processing is just dead, maybe i will try flashing it with the firmware tomorrow at work using a serial cable to see will that do anything with the dsp ?????? problem. i got a feeling my unit sound processing might just be dead frown.gif


seems like other ppl had the same problem when there was a power outage that cause them to lose their sound.
post #5033 of 5049

What are you using to play the DSP CD?  I believe that most folks have had issues using DVD/BDP players... only true CD players will work.

post #5034 of 5049
I am using a ps3 to play it
post #5035 of 5049
You have to use a dedicated CD player to flash the firmware... It does not work with most combo players (including the PS3)...
post #5036 of 5049
i am trying to flash the main firmware with a serial cable, it doesnt seem to be working too.

hit enter and plug power in.

the updater program doesnt seem to be doing anything at all.

like when i push main update it doesnt seem to run or anything
post #5037 of 5049
Quote:
Originally Posted by thebuzzer View Post

i am trying to flash the main firmware with a serial cable, it doesnt seem to be working too.

hit enter and plug power in.

the updater program doesnt seem to be doing anything at all.

like when i push main update it doesnt seem to run or anything

Have you verified that the COM port that the updater software is expecting matches the actual COM port you are using?  A mismatch there is a common issue, as is baud rate mismatches.

 

You said "serial cable" so I'm assuming a "real" old fashioned 9-pin serial connection... are you sure that the COM port is turned on in BIOS and that the physical port is correctly connected to the motherboard (often requires a ribbon cable connection to a motherboard header.

 

If by chance you are using a USB>serial adapter, are the correct drivers loaded and COM ports assigned? 


Edited by jcalabria - 2/11/14 at 5:25pm
post #5038 of 5049
Second the above, and make sure you have the correct serial cable. This is the cable that I successfully used to update my 906
post #5039 of 5049
i am using the com port. i can use the cisco cable and get reading from putty from the computer, so the com port is working. I used a stright rs-232 cable to connect my pc to the port and it doesnt seem to do anything after i hit update.

I see the program itself change the rate to middle one when i hit the main update button but i dont see the onkyo doing anything else and keep saying mainupdatemode
post #5040 of 5049
As i recap my main problem is there was an power outage that afterwards, no more audio.

It seems to have lost how to handle audio, video still works but all audio are gone.

So maybe it is a chipset issue unless someone here was able to reflash the firmware and fix this type of problem. I got a feeling is my onkyo is broken and to do the firmware update i couldn't have this problem caused by the power outage.
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