Hardware > Lynx Wireless DMX

2 Ex/RX Units don't work

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JimWright:
I built around 14 of the EX/RX wireless receivers about 2 years ago. All of them work great and have done so since I built them, except for 2. I have double and triple checked the component placement. All seems good. No cold or connected solder joints that I can find.

The power light comes on when connected to the Aether II. However,  the data light does not flash and the unit does not seem to be sending any data to the light controller. Other receivers work with the light controller, so that is not the issue.

Any troubleshooting ideas?
Thanks. Jim

bisquit476:
Reflash the PIC, and if no help, r&r the PIC with a known good unit, I've had PIC's go bad but show a good hex checksum.

JimWright:
Thanks. That is one thing I haven't tried. Will do and will let you know.
Jim

jnealand:
I have one just like that.  I have had several people look at it including some big guns from this forum.  I have reheated all the solder joints, swapped pics. etc. but no luck.  The last suggestion I received was to remove the wireless module and clean underneath it before putting it back on, but I have never gotten around to that since I have enough units that I have other spares or could use a cable between two close units.  I feel your pain.  I may never touch this again since every year I use fewer AC controllers and more pixel controllers.

JimWright:
This took several days. I had to buy some more pics. Both of the pics in the non-working boards would not flash - I tested them in a working Ex/Rx and they would not function after a reflash. The reflash indicated that it worked but obviously, it did not.

One board is working great now. Thanks!

I am still having problems with the other. The new PIC is flashed and works great. I have tested it in a working receiver and it works fine. However I still have a problem. When connected to a working Aether II the power light comes on and the green data light will flash normally for about 2 seconds. Then the data light stops blinking and does not restart. Reapplying power will start things up again, then the data light stops blinking. Of course, no data is being received by the flood. I have rechecked all components and they are in the correct location. I have re-soldered all connections.

Any ideas on what to do next?
Thanks
Jim

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