JP1 Remotes

ednedn · Joined: 10 Aug 2012 Posts: 22

I think I'm hearing McCoy say "It's Dead Jim!"

I have an URC-8810 that I like a lot. But it got sick when I was trying to update it. I was using a homemade parallel cable that has worked fine in the past but the host computer that it was compatible with no longer exists. I was trying my cable on this and that computer before I finally gave up and got both a USB and a Serial JP1.x cable (along with a JP1 adapter for the pair)

Here is the autopsy report:

- When I put batteries in, it does the normal double blink. So something is alive and doing what it is supposed to do.

- It refuses to give me any blinks when I press any key.

- It refuses to give me any blinks when I press and hold the Setup key.

- It refuses to light up the keypad when I press the light bulb button.

- It DOES let me upload EEPROM images to it. I can read the images back and they are correct.

- I have tried 'Clearing Upper Memory', 'Initialize to $00' and 'Initialized to $ff' in IR.EXE.

Is there anything else to try?

vickyg2003 · Posted: Mon Jul 14, 2014 4:19 pm Post subject:

The old eeprom units, like the urc-8810, are hard to kill. But it does sound like you may have killed this one.

Your best bet would be to do a manufacturer reset, but it sounds like this might not work either.

Make sure none of your keys stuck down.
Remove the battery.
Press any key to discharge the capacitors charge.
Install good batteries.
Press and hold the setup key until it blinks twice.
If you had success, type 981 to reset the remote.
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The Robman · Posted: Mon Jul 14, 2014 8:30 pm Post subject:

zaphod7501 · Joined: 02 Aug 2004 Posts: 533 Location: Peoria Illinois

Maybe even time to pull it apart and clean the pad and circuit board.
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ednedn · Joined: 10 Aug 2012 Posts: 22

I pulled it apart yesterday. I have not 'cleaned' it yet. I put it together without the rubber key pad in place. It behaves the same. I also tried shorting across the Setup Button's traces with a small screw driver with the batteries in place after the double blink. Nothing...