How to DIY ; TX-SR576/TX-SR606/etc HDMI daughterboard repair (for dummies?) - Page 30 - AVS Forum
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Old 08-22-2014, 06:19 PM
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Well, I'm presently running a restored 906! I couldn't install the 6 1uf caps, but with the 13 100uf caps, it's up and running with no symptoms. It's a very nice sounding unit, I've replaced my 876 with it and plan on experimenting with the network capabilities. If one is to try it on a 709, I'd first try contacting Onkyo, they've announced a new warranty fix for many of these units.
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Old 09-01-2014, 06:20 PM
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onkyo tx-sr608

Hi I have an onkyo tx-sr608 with no sound coming from speakers when using hdmi. I feel I have the infamous hdmi board failure... Has anyone else with a sr608 tried this fix? I feel like I should go ahead and try it anyway...any suggestions?
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Old 09-07-2014, 08:06 PM
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Thanks to all who have added to this discussion. I was in the same boat a while ago with my '705. I had started the search for its replacement when I came across this thread. I decided to give it a shot. I figured I really had nothing to lose.

In December, I ordered 25 of these (not knowing in advance how many would be needed):

http://www.parts-express.com/100uf-1...itor--020-1704

I proceeded to replace all of the questionable caps mentioned at the beginning of the thread, just in case. I cleaned the innards of dust bunnies while I was in there as well. When I brought the unit home and re-connected all of the cables, it fired up and has been perfect ever since.

I replaced caps on both sides of the board. Before starting, I placed a small dot on each cap to be replaced, removed them and installed the replacement caps.
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Old 09-08-2014, 05:20 AM
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Quote:
Originally Posted by bluefire529 View Post
Thanks to all who have added to this discussion. I was in the same boat a while ago with my '705. I had started the search for its replacement when I came across this thread. I decided to give it a shot. I figured I really had nothing to lose.

In December, I ordered 25 of these (not knowing in advance how many would be needed):

http://www.parts-express.com/100uf-1...itor--020-1704

I proceeded to replace all of the questionable caps mentioned at the beginning of the thread, just in case. I cleaned the innards of dust bunnies while I was in there as well. When I brought the unit home and re-connected all of the cables, it fired up and has been perfect ever since.

I replaced caps on both sides of the board. Before starting, I placed a small dot on each cap to be replaced, removed them and installed the replacement caps.
I have a '705 with what seems like the issue everyone has here. How exactly did you remove the HDMI board from the main board and case? For the life of me I just can't seem to figure out how to remove it.


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Old 09-08-2014, 05:30 AM
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I honestly do not remember the exact steps. I do recall having an issue removing the board and I think I just kept removing screws (even the ones that did not appear to need removing) and gently (yet forcefully!) pried the board loose. I believe there was also a bit of cursing the back panel due to the nearly zero-tolerance between it and the board. I seem to also recall a flathead screwdriver being involved with prying the board.

Just make sure to remove every screw around the board and maybe take care of a couple around the chassis. Gently move boards, cables, and chassis pieces and see where things are getting stuck. Attack that point and repeat until it is removed. Reassembly was easier than disassembly.

Good luck!
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Old Yesterday, 11:34 AM
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Long story short:

1. Dead HDMI Board (HT-R990 Receiver) right after 2 years of ownership
2. Goodwill repair offered by Onkyo. Unit sent to a service partner in Vienna.
3. Unit got back repaired (they probably just swapped the HDMI Board for another one)
4. It worked for approx. 6 months, today the HDMI board died again!
5. DIY Repair:

There are six 100μF 16V caps on this board. Four on one side (8912, 8915, 8918, 8921) and two on the other side (8901, 3104).
For replacement I used Panasonic FM series type A Low Impedance 100μF/25V 105°C caps.

Everything works fine now. Thank you very much for this thread!

Bottom line: Even though they tried, I'm done with this brand.
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Last edited by Quillin; Yesterday at 11:41 AM.
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Old Yesterday, 12:48 PM
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Fellow Onkyo'ers....

I have a nr5007 that was sent in because of the hdmi problems. Got the receiver back about 93 or so days ago and now today, I'm starting to lose video for a second or two but not audio.

This is different than the original problem, and it's getting annoying now. Originally, I had the lost network card symptom, but this time it's different. Does it sound like cap problem?

Thanks in advanced.
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Onkyo Tx Nr807 , Onkyo Tx Sr606 Receiver
Gear in this thread - Sr606 by PriceGrabber.com
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