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JP1 Remotes
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super_copy
Joined: 08 May 2015 Posts: 2
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Posted: Mon Sep 21, 2020 4:01 am Post subject: LG LH90 TV, URC10820 cannot learn cursor buttons |
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1. Device: LG 47LH90
2. Type of device: TV
3. Year: 2009
4. JP1/UEI Remote model: URC10820
5. Do you have a JP1 cable? No. I have a parallel cable, but believe it only works for JP1. My remote is JP1.2.
6. Still have original remote? Yes, but URC10820 cannot learn the cursor keys. Cursor left and right are learned as volume decrease and increase, respectively. Must be a complex protocol that confuses the learning remote.
7. Checked the file section? Yes, but am hoping for a code that works before making cable.
8. Checked Pronto file section (at R/C)? No, see 5 and 7.
9. Partially working setup code? TV 0178
10. Learning remote question? Yes: see below.
11. Have you tried the JP1 Lookup Tool? No, see 5 and 7.
12. If you have a OARUSB04G, URC-6440 (or similar) remote, have you tried simpleset.com? N/A
Hi all,
In short, my URC10820 is unable to learn the cursor buttons of the LG TV's original remote. The URC10820 seems to learn the cursors, blinks appropriately, but when I press left and right, it instead makes volume decrease and increase. And the "learned" up and down buttons do not work at all.
I have tried all the TV codes listed in the manual for LG:
0178, 1178, 0856, 0700
and 0178 works incompletely, with the above problem. I'd like to check here whether there is any other code I can try.
I read in other threads that it is possible to use a Keyspan USB-to-RS232 adapter to program JP1.2. I have a Keyspan, but it ends in a DB9 male (DE-9 according to Wikipedia). Then I started looking at this:
https://www.amazon.com/SinLoon-Ribbon-Connector-Adapter-Motherboard/dp/B01MFBMZZF
Which got me wondering, could I connect in series:
ComputerUSBPort -> KeyspanUSA19HS -> NullModemCable -> AboveAmazonCable -> JP1PinsOnRemote
and turn my Keyspan into a JP1.2 programming cable? The NullModemCable is just to mate the two male DB9 plugs, then I extract all the pins, rearrange and attach them to the 6-pin JP1 connector. Worth a shot? Thanks. |
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mdavej Expert
Joined: 08 Oct 2003 Posts: 4501
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Posted: Mon Sep 21, 2020 9:05 am Post subject: |
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This is probably the closest match we have for your TV:
http://www.hifi-remote.com/forums/dload.php?action=file&file_id=6745
Your USB adapter is not compatible with JP1.x remotes, so there's no point in buying that connector for it.
These are some JP1.x cables proven to work:
http://www.hifi-remote.com/forums/viewtopic.php?t=16360
But before you buy a cable, you could try some EFC programming. The EFCs for the arrows are probably 182, 186, 165 and 169 for R, L, U, D.
http://www.hifi-remote.com/wiki/index.php/Manual_Programming_-_9xx_Commands#Program_Effective_Function_Code_.28EFC.29_for_a_single_device
If you have the older version of the 10820, use 3 digit EFCs, otherwise, use 5 digit, i.e., 00182 for R.
Would you mind posting where you read about using that Keyspan adapter? We need to set the record straight. |
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The Robman Site Owner
Joined: 01 Aug 2003 Posts: 21238 Location: Chicago, IL |
Posted: Mon Sep 21, 2020 9:29 am Post subject: |
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Given that you get buy a ready-made cable for under $10 shipped (or under $5 if can wait for it to come from China), I really don't think it's worth putting too much time in to trying to make other combinations work.
http://www.hifi-remote.com/forums/viewtopic.php?t=16360
As for your arrow buttons, try re-programming them using EFCs:
00182 arrow right
00186 arrow left
00165 arrow up
00169 arrow down
00164 ENTER
and just for reference
00187 VOL -
00183 VOL +
[Update] I see I cross-posted with Dave _________________ Rob
www.hifi-remote.com
Please don't PM me with remote questions, post them in the forums so all the experts can help! |
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super_copy
Joined: 08 May 2015 Posts: 2
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Posted: Mon Sep 21, 2020 12:51 pm Post subject: |
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mdavej and The Robman:
Thank you both VERY MUCH. I programmed the EFC's and the cursor buttons are now working great! You guys are awesome, I hadn't even known about EFC's until you mentioned it.
mdavej:
I was searching all over these forums yesterday, and found this anecdotal thread:
http://www.hifi-remote.com/forums/viewtopic.php?t=9247
where a user posted success "using the revised JP1.x serial interface on a Keyspan serial to USB adaptor". Maybe "revised" is of special significance here?
Appreciatively,
Super_Copy |
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mdavej Expert
Joined: 08 Oct 2003 Posts: 4501
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The Robman Site Owner
Joined: 01 Aug 2003 Posts: 21238 Location: Chicago, IL |
Posted: Mon Sep 21, 2020 4:36 pm Post subject: |
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There are several links to eBay listings in the "Chip Partner" thread that I linked to. You can get a cable for under $5 on the slowboat from China, or for under $10 from the US. _________________ Rob
www.hifi-remote.com
Please don't PM me with remote questions, post them in the forums so all the experts can help! |
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mathdon Expert
Joined: 22 Jul 2008 Posts: 4523 Location: Cambridge, UK |
Posted: Tue Sep 22, 2020 6:53 am Post subject: |
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mdavej wrote: | The last one is more expensive, but comes from Canada and has the correct 6-pin connector already. |
I see that the Canadian seller says that his cable is for use with IR.exe. Could someone please tell him that IR.exe is obsolete, superseded by RMIR and that if his cable uses an FTDI chip then it supports remotes later than JP1.3 as well. It is good to know that someone still sells a cable with the correct 6-pin connector at a reasonable price. I do hope it uses an FTDI chip, though. _________________ Graham |
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mdavej Expert
Joined: 08 Oct 2003 Posts: 4501
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Posted: Tue Sep 22, 2020 9:28 am Post subject: |
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Good catch. But if it's who I think it is (DIYGadget), he's been ignoring everything we tell him for at least 15 years. I'll send him a message anyway. |
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The Robman Site Owner
Joined: 01 Aug 2003 Posts: 21238 Location: Chicago, IL |
Posted: Tue Sep 22, 2020 11:19 am Post subject: |
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mathdon wrote: | ...and that if his cable uses an FTDI chip then it supports remotes later than JP1.3 as well. |
I'm guessing that this cable is based on these instructions from Tommy Tyler, which does indeed call for an FTDI cable to be the basis of the new cable, so it should work.
mdavej wrote: | Good catch. But if it's who I think it is (DIYGadget), he's been ignoring everything we tell him for at least 15 years. I'll send him a message anyway. |
Yeah, that does appear to be the DIYGadget guy (known as prelude here). The only way that I know of to reach him is through the ticket support system on his page, but he often ignores that too. _________________ Rob
www.hifi-remote.com
Please don't PM me with remote questions, post them in the forums so all the experts can help! |
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