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Which remote codes to program (or teach) MX-850 for Sony XBR-77A9G Android TV?
This thread has 4 replies. Displaying all posts.
Post 1 made on Saturday December 5, 2020 at 17:22
jrh
Long Time Member
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I've been using MX-850 remotes for years. I recently got a Sony XBR-77A9G Android TV after getting tired of my 12yo Pioneer Kuro plasma to die.

I usually just end up teaching commands from original remotes to MX-850 buttons, but I can't get the new TV's remote (RMF-TX600U) to teach its codes for channel numbers, APPS, TV, etc. I was able to use my Sony Blu-Ray player's remote for the TV's power On/Off toggle and Input. Maybe the new remote isn't sending IR?

I was able to do a Live Update the MX-850 after reading on here to run the MX-850 Editor as Administrator (thanks!). The Firmware version is now " MX-850 Ver D2. 206 / October 21, 2009". The Universal Data is now "Version 1.92 / November 25, 2009".

Can someone please direct me to which of the Sony TV codes in this data would work my TV, or suggest how I can teach the MX-850 the codes it needs?

Thanks.

Last edited by jrh on December 6, 2020 11:02.
Post 2 made on Sunday December 6, 2020 at 13:29
hdtvluvr
Long Time Member
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September 2002
313
My guess is that your remote is Bluetooth since it is a voice remote. Is there a "window" on the end of the remote? Open the camera on your phone and pretend to photograph the end of the remote. Then press a button on the remote. Do you see anything light up on the camera screen? Test with your Blu-ray remote. If IR, you'll see flashes.

You may have to try some/all of the Sony code sets in the MX software. I'd scroll down the list of possibilities and select something (maybe last) XBR one. Select one, when the next screen opens you can select "Test" which I think sends the "Power" code. Point the remote (while connected to the computer) toward the TV. If it turns on, click save. Then download to the remote and test all other buttons. I looked at a couple of the XBR-XXXX code sets and didn't see discrete for power. The "Generic IR Codes" at the top of the list contains discrete codes for P-On and P-Off that might work. I randomly selected [Sony 17] and it had discrete power and might work. Again, you'll need to do this by trial and error. You'll need to save and download the "Generic IR Codes" or [Sony 17], etc. codes sets to the remote for testing.

To use any code sets to just get discretes, put the code set on page 2 of main and hide the page. You can use the codes in programming but won't have to have buttons named for items you really don't use showing on the remote.

Looks like it will be trial and error. Or purchase a Sony XBR-77A9G compatible IR remote and learn the codes from it. Although I think I've read that Sony pretty much never changes codes.
OP | Post 3 made on Monday December 7, 2020 at 13:56
jrh
Long Time Member
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Posts:
June 2005
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Thanks very much for your reply, which I didn't see until today. Sorry.

I just checked with my phone's camera and found that I get no light flashing from the TV's remote except when I press the Power button. My Sony BD player's remote gives flashes from all buttons. So, it looks like the TV's remote is Bluetooth; however, it can be set to control my DirecTV Genie, so I don't know what's going on there. The TV has a jack on the back for "IR Remote IN" but I don't know what it's for (an IR blaster?) or if it would help. I'm very disappointed that Sony doesn't have a PDF of the entire manual for this TV available; you have to go online for a web-based manual.

Since my original post, I had tried several codes and indeed found that "Generic IR Codes" (apparently code set 070) worked, and pretty much gives me what I need for the TV except buttons/codes for BACK, APPS, and SETTINGS. BACK is what I miss most (and the BD player's RETURN button doesn't correspond to BACK on the TV). I went through all the XBR (and some other) TVs in the IR database, but I didn't see any that had buttons for BACK, APPS, and SETTINGS.

BTW, When downloading the Generic IR codes to the MX-850, I noticed that the download box said Firmware: Ver 2.50 (June 24, 2010) and Universal Data: Ver 2.36 (August 31, 2015). Afterward, I checked the MX-850 Editor's Help|Firmware Version and it said Firmware MX-850 Ver D2. 2.06 / June 24, 2010 and the same as the downloader did for Universal Data. So, these are later dates than what I originally posted (although I'd copied them from the editor's Help too, so I don't know what happened there).
Post 4 made on Monday December 7, 2020 at 14:58
hdtvluvr
Long Time Member
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Posts:
September 2002
313
You might want to join the JP1 Remotes forum: [Link: hifi-remote.com]

In the "General" section there is a section called "Non-JP1". Post a thread there stating you are looking for Hex codes for a Sony XBR-77A9G Android TV. Then specifically request codes for Back, Apps and settings along with any other viable codes.

The members there have "tricks" that can find hex codes for TV's and other electronics.

BTW, "Settings" may not be on an LCD button but may actually be on the "Menu" button of the remote when one of the XBR-XXX TV's are chosen.


August 2015 is around the time that support (Database codes, firmware and any updates) stopped for the MX850.

Last edited by hdtvluvr on December 7, 2020 21:00.
OP | Post 5 made on Monday December 7, 2020 at 17:10
jrh
Long Time Member
Joined:
Posts:
June 2005
32
Thanks again.

I figured out what I needed to do: I had to disable Bluetooth in the TV's settings for Remotes & Accessories.

Once I did that, the TV's remote became an IR remote (I could see a flash with key presses with my phone's camera). Then I was able to use the TV's remote buttons to teach the buttons of the MX-850, including the BACK, HOME, and SETTINGS I couldn't earlier. When I finished, I went back into the TV's settings and reenabled Bluetooth. All this does is allow the TV remote to control the DirecTV Genie. Not that it's needed, as I already could do that with the MX-850.

Glad to have this behind me. Thanks again for bringing the Bluetooth issue to my attention.


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