Question about Onkyo TX-DS787 Receiver

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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

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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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Posted on Jan 02, 2017

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2 Answers

How to connect Sony dvd player to onkyo TX-8511 receiver


The TX-8511 is an older AV receiver with only composite video inputs. Your DVD player may not provide this type of output as it's not capable of HD video. If your dvd player has a composite output with a Red, White & Yellow set of outputs, that will connect into the Video 2 inputs on the receiver. Your TV will need to connect up to the Video2 or Monitor output. You'll need a set of composite video cables with the red-white & yellow RCA type plugs.

Here is a link to the manual for this receiver:
Receivers Receiver Stereo Receiver AVR TX 8511 Onkyo USA

Mar 13, 2015 | Onkyo TX-8511 Receiver

1 Answer

Sound from Onkyo CD player well and fine. Then connected the Samsung DVD HT-Z310 to Video3 (L/R audio in, V-in from L/R Audio out and V-out of Samsung) but no sound or nor video on TV? Tried to fix it...


What am I missing here?

There are a lot of models mentioned in this post. What are WE discussing?

* A Samsung HT-Z310 is a Home Theater System.

* An Onkyo TX-DS777 is higher-end AV Receiver that DOES have a Video 3 input which accepts composite video and analog audio.

* An Onkyo CD player is irrelevant to the TV sound in any scenario.

* Unnamed TV.

I don't see any path in your narrative that would carry audio TO the TV. Is there an unmentioned HDMI cable in here somewhere? I see no other audio outputs on the HTZ.

Are you running the HT-Z310 through an Onkyo receiver to somewhere (?) else?

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Samsung-HT-Z310-Home-Theater-Systems-manual/id/23122dj393/t/2/

The fewer hops and inteconnects a given signal experiences between its source and your senses, the better. I always run the BEST video from any source to the TV first; the best Audio to the BEST audio electronics. If that helps.

Apr 03, 2011 | Onkyo TX-DS777

1 Answer

How do i switch on the Onkyo 608 OSD on? I have an LG 40 inch LED TV.


Connect one end of an HDMI cable to the output on the Onkyo and the other end to an HDMI input on the LG.

press the HOME button on the

included remote controller, and semi-transparent

graphical set-up menus appear overlaid on the
video image you're watching.

Page 2

http://static.highspeedbackbone.net/pdf/TX-SR608_US_0304.pdf

Mar 07, 2011 | Onkyo TX-SR608 Receiver

2 Answers

Can you please tell me how to connect my Humax 9200T PVR to my Onkyo TX-SR608. The Humax does NOT have HDMI connections and the manual does not mention the connection of a PVR. The Humax Manual is of no...


You will need to purchase a scart to HDMI converter - available in the UK for about £40.

If you Google 'Scart to HDMI converter' you should find several options, which will be cheaper if you are in the US!

Unfortunately the Humax box you have only supports Scart A/V I/O, which is of course now obsolete.

Jan 17, 2011 | Onkyo TX-SR608 Receiver

1 Answer

I have an Onkyo HT-S6100 home theater not sending picture to TV.


I just fixed mine with the same problem. Apparently, the HT-R667 and 606 receiver that comes with 6100 has a problem with the HDMI board. Onkyo wanted $500 dollars to fix it, costed me $16. Here's how to fix it. http://www.highdefforum.com/high-definition-receivers-recorders-players-tivos/121956-repairing-onkyo-htr667-aka-606-a.html
and the youtube vid: http://www.youtube.com/watch?v=gj0x5S9ez5U
Good Luck!

Apr 04, 2010 | Onkyo TX-SR605 Receiver

1 Answer

Onkyo TX-DS555 will not switch to Dolby Digital


regulated voltage to the processor circuit like drop in these onkyo after 8 years. This or a small capacitor fails in this voltage line.

Jul 16, 2009 | Onkyo TX-DS555 Receiver

1 Answer

Loss of audio from onkyo 605


If the settings are correct, then it is just like the 605 I had, its broken. Get one made by someone else if the warranty has expired on it. I suggest Pioneer.

Apr 06, 2009 | Onkyo TX-SR605 Home Theater Receiver 7.1...

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