Onkyo Forgets it's input settings during power outages

I have been enjoying my Onkyo TX-DS787 for 8 years now. I use it to switch video and audio inputs on my home A/V system. Just recently, when I would turn it on I would get no video or sound. After going through the OSD setup I found the inputs had reverted to their "default" values, not the ones I had programmed in. This has happened quite often and usually happens after a brief AC power outage. Re-seting the inputs fixes the problem and restores my video and audio until the next power outage. Is there a battery somewhere in this unit for holding the programming memory? I would appreciate any help I can get. Thanks, Hal

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Anonymous Jul 08, 2007

Andyrst, Thank you VERY much. I will find and change out the battery. I'll let you know how it goes.

Bugsey
Anonymous Jun 21, 2008

I am having the exact smae problem with mine. If I plug it into an external UPS, do you think that will solve the problem?
Anonymous Mar 30, 2014

Hi - Have a Kurzweil PC88 that worked perfectly, until recently when a single note sounded louder than the rest. To fix the problem, I followed an on-line video that amounted to removing, cleaning, and reinserting the pickup contacts in the correct order. Now, a new problem developed. All keys play except eight keys beginning at middle C# up to G#, which no longer sound. Thinking it was a pickup problem, I ordered a new contact strip and replaced the octave starting at middle C. Still did not solve the problem. (The piano was not turned on during the repair.) What went wrong? How can this be fixed so I have my 8 keys back?
Thanks for your help.

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Yes there is ,,, it is located on the same board that has 3 fuses on it, you will have to unplug the unit before disassembly, and remove the top cove and bottow covers,,,, you will have to de-solder a small battery pack surrounded by either blue or yellow heat shrink,,, please not the polarity before removal, as putting it in wrong will cause a non- memory retaining situation to continue...I hope this helps

Posted on Jul 08, 2007

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TX-SR506 loses radio settings if power is removed

Posted on Jun 22, 2011

Anonymous

Did you find the battery pack? can anyone tell me what size, chape, voltage, etc the pack has to be so i can buy it before i pull the amp apart so i can do the whole repair in one go? if anyone knows, please email me at [email protected] thanks in advance.

Posted on Mar 01, 2008

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