Lately I didn't have a lot of time to spend time on the onkyo's I did receive DSP processors from alieexpress. Several actually from several vendors. But the frustrating thing is that so far I haven't been able to get any of those dsp's running. Of course it could be another problem on the boards itself . But I would at least expect that some form of communication should come from the dsp processor on the serial console when all voltages check o.k. as well. Also tried nand chip changes, but nothing. My feeling at the moment is that those dsp processors are going to be extinct soon. All you get from china are fakes or repackaged BGA's What do you think?
I don't like dealing with DSPs. I have tried like two replacements, and made no difference after replacing them. I have no idea after a replacement, what is going on. The receiver has other issues, my soldering job wasn't right, or the IC is bad/fake? Then I'm stuck. I don't even consider picking up, anything older than a 646.
I'm not afraid of the reballing job. Pretty confident in doing it right. I did it on a 809 once that I know for sure that it solved the problem. Just wish now that I had a working board with a working dsp so I can take it off and test the various dsp chips I have gathered up till now. Till now the 818's haven't dissapointed me Those are the easiest to fix.
p.s. I need to quit buying the onkyo's anyway. It's a nice hobby to fix them, but it's getting difficult to sell them again. Not even asking high prices for them. But it seems that in most households the 7.1 setup has to make room for a sound bar..... why on earth.....I bet in most cases the partner has a say in it haha.
I'm currently working on Pioneer SC-LX85. Both memory chips have been reprogrammed with working dumps, 1st DSP is booting but 2nd DSP is not. Both DSP have been replaced and they came from the same Aliexpress seller. Just have a look at DD and DTS markings, compared to the original chip.
Last Edit: Jul 19, 2020 9:43:00 GMT -5 by dobrykamil
Hi! For me it's clear that this chip has been rebadged by laser! They pull chips from scrap boards and sell to people! So you are lucky that one works. But your original chip is D830 and the one in the board it D810. They are interchangeable?
A bit off topic. Recently I bought some nand memories from one ALI seller.
Check the image and make your judegement about it. They even come programmed!
I will make a few pictures of the dsp's that I gathered so far.
For now some horror pictures of a NR818 that I purchased of the local ebay site here.....dear god...sometimes the infamous youtube movie beats you to it. And I had it sitting here for weeks already without inspecting it first because i didnt have time. Else I would have send it back to the seller.
iwwy1969: Hi all. Nice forum. I have Onkyo TX-NR616 no sound and no usb access. I have 5v at usb. I found that oscillator close to DSP is not working. It has no voltage feed from DSP. During the testing through display DSP shows version D??? .
Jul 13, 2020 8:25:33 GMT -5
lfcfan: Hi Todd, have been reading endlessly about the topic, and I really don't think that I'll be capable to 1. do the job myself as I don't have enough of the right equipment, and it looks like only the people who have access to TI exclusive distribution networ
Apr 9, 2020 17:17:06 GMT -5
skydronelink: Thank you I advance
Jan 29, 2020 4:01:41 GMT -5
skydronelink: Hi Repairaj, I have the same issue, but I am not able to get the cap value, I can tell it is the same board but deffirent rev cause of the side CAP is not the same value ! any idea how I can get the right burnt cap value?
Jan 29, 2020 4:01:31 GMT -5
skydronelink: Hello Jerme, thank you for the those images, is there is any chance to get the C2 (Cap) value or an image for it ? Thank you in advance.
Jan 27, 2020 23:15:06 GMT -5
skydronelink: Hello Sergio, I have the same issue, but I am not able to get the cap value, did find out what is the cap value?
Jan 26, 2020 18:01:17 GMT -5
jbmeyer13: Wolfy's Marquee isn't working? Did you spill a pint on it and short the MB?
Apr 25, 2019 8:32:28 GMT -5
wolfman: Always the same sarkasm Kurt that's why I never checked in until now. I knew you wouldn't give me a cheerful answer so let you hang for a while. Removed the last part you probably are a decent guy Eye to Eye.
Apr 19, 2019 18:55:30 GMT -5