1056B03 Failed to open JP1.x interface

darrell · Post by **darrell** » Fri Jun 10, 2011 11:32 pm

Hello all,

I just bought a pair of 1056B03 remotes on Ebay, but cannot get them to recognize the JP1.x interface. They do not have the JP1.3 silkscreened on the PCB, but do have the JP1 connector.

I get two blinking LED flashes and "Failed to open JP1.x interface" with the IR program and nothing found with the tester programs. 00 02 05 07 spurious data is always the same with the debug tester.

I have no pin 5 wire and have tried both a homemade serial interface based on Tommy's circuit and the DIYGadget USB cable with no luck. My old 1055 works fine with either interface. Also tried new batteries. I'm out of ideas at this point.

Any thoughts?

Thanks,

Darrell

3FG · Post by **3FG** » Fri Jun 10, 2011 11:55 pm

Are you certain that wire 1 on the cable is attached to pin 1 on the JP1 connector?

darrell · Post by **darrell** » Sat Jun 11, 2011 12:10 pm

Yeah, pin 1 is Vdd and I wouldn't get the blinking LED on the remote when checking the interface with the IR program if it were missing.

I'm thinking I have to figure out how to open the 1056 up to probe around in there. I'm concerned that the code on the remote's MCU somehow doesn't respond to JP1.3 for some reason.

3FG · Post by **3FG** » Sat Jun 11, 2011 12:53 pm

I simply meant to check if you have put the interface connector on using the correct orientation and not 180 degrees rotated. The two blinks typically means nothing more than the remote has done a partial reset.

I'm not sure what you can learn about the code in the MPU by taking the case apart. However, you can do a 983 blink back (see the Wiki for instructions) to find the signature of JP1.3 remotes. If the signature is 3032, 3033 or 3000, then we can be pretty sure that it is a JP1.3 remote, and that furthermore the remote should be recognized.

Consider doing a 981 reset before trying to recognize the remote.

darrell · Post by **darrell** » Sat Jun 11, 2011 2:45 pm

ok thanks. I tried flipping it 180*, but same error message and it did not blink the LED at all.

983 blink back is 2010. Is there a list somewhere that I could look this up to see if it is JP1 and what version of JP1?

darrell · Post by **darrell** » Sat Jun 11, 2011 3:12 pm

I actually get signature 20109 if I keep pressing to the 5 key with the 983 thing.

I found a list of remotes, but no signature code like 2010 or 20109.

I also tried 981 reset with no change.

I'm guessing I'm out of luck on this thing...

3FG · Post by **3FG** » Sun Jun 12, 2011 12:47 am

TYpically, the 983 blink back will report 5 digits, but only the first 4 are meaningful.

However, I'm not aware of any UEI remotes which have a signature starting with a 2. All of the flash (non-EEPROM) remotes to which we have successfully interfaced report a signature starting with 1 or 3.

There has been some discussion of a JP1.4 interface, and we have so far not been able to communicate with those remotes. Perhaps the 1056B03 also use a different communication scheme than JP1.2 or 1.3.

darrell · Post by **darrell** » Sun Jun 12, 2011 10:53 am

I have a feeling that it is some different communication protocol on this remote. The remote does have WOW! cable company silk screened on top & it doesn't have JP1.3 silk screened on the PCB, so maybe they made some changes just for WOW!.

Another boat anchor for me. I must have a dozen remotes that are sitting in the closet for one reason or another.

thanks,

Darrell