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Ok I'm at a loss for ideas

 
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Killer2600



Joined: 26 Oct 2008
Posts: 21

                    
PostPosted: Sat Nov 15, 2008 9:49 pm    Post subject: Ok I'm at a loss for ideas Reply with quote

I have a RS 15-134 and have breadboarded the jp1.x discrete transistor interface diagramed here http://www.hifi-remote.com/forums/dload.php?action=file&file_id=3585 and IR fails to open the jp1.x (jp1.3) when trying a check interface or download from remote.

I've tried all I can think of including rebuilding and checking the built interface but I can't get IR to work and I know for a fact the serial port works. Another thing I don't get is IR doesn't even inquire what serial port the interface is on as it does with the jp1 serial setting. I'm using com1 but everything I've tried is still a no go with IR.
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The Robman
Site Owner


Joined: 01 Aug 2003
Posts: 21210
Location: Chicago, IL

                    
PostPosted: Sat Nov 15, 2008 11:29 pm    Post subject: Reply with quote

My only guess is that you've done something wrong in your circuitry, but I doubt that anybody will be able to figure out where you went wrong without seeing the device itself.

Your best shot might be to take some hi-res pics and post them.
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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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Tommy Tyler
Expert


Joined: 21 Sep 2003
Posts: 412
Location: Denver mountains

                    
PostPosted: Sun Nov 16, 2008 4:46 pm    Post subject: Reply with quote

Have you seen this ?
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Killer2600



Joined: 26 Oct 2008
Posts: 21

                    
PostPosted: Mon Nov 17, 2008 12:24 am    Post subject: Reply with quote

Thanks for the replies, I've managed to get it working although I don't know how since I built it on the breadboard 3 times and builted it off the same schematic each time.

My current problem, yes I still have one, is the interface works perfect on my desktop but fails when used on my laptop. The symptoms are IR giving me the "fail to open jp1.x" and the remote being stuck in a mode other than normal/operating since the device buttons don't flash and the remote appears dead when trying buttons. When I run a check interface, while connected to the desktop, the remote comes back to life afterwards.

In my short troubleshooting I've found that the collector on Q3 reads about 2.0V when pulled up via DTR going to ~5.8V--all of this observed during a check interface cycle with remote not connected.
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