Trackspot DMX Problem

Hi Everyone. I am new to the forum. I just purchased some trackspots and one is not working properly. Hopefully you can help me. I have experience programming DMX lights and also experience working with electronics (lighting, amps, etc), so, I tried all the simple troubleshooting.

Anyways...the trackspot will not respond to DMX. I have the personality dip's on 3 and 5. I have tried several DMX channels and no luck. The unit powers up, it works in personality 1 (test mode). The light strikes, the gobos rotate and stop, mirror movement is fine, shutter is fine. It simply will not respond to DMX when I take it off of test and put it on the high resolution DMX settings, or the low setting for that matter.

I saw a post in here somewhere referring to the personality IC ( Integrated circuit). I am afraid this could be the problem. Is it? Any ideas?

The circuit board is a green board and the QC sticker says 11/5/96. I do not see the F2 ad F3 fuses anywhere on the circuit board like the HES manual suggests (the manual says F2 and F3 fuses would be the cause for no respose to data signal)

Please help. Thanks for your time!
Shane
Parents
  • 0
    personally, since your up so late, and trying to find a wind down project to melt your brain on. Id do a couple of pin point tests. I'd make sure you were seeing +5v (dc of course) at pin #8 of the dmx trancever chip. I'd also make sure you are getting a good ground by using the digital ground as a ground for the voltage measurement. If you do not have a good digital reference as "0" being ground or off, you will have all sorts of weird problems. Next thing i'd be looking at is that big 40pin chip. Maybe something went wrong in there. I'm currious as to what chris is going to say.
Reply
  • 0
    personally, since your up so late, and trying to find a wind down project to melt your brain on. Id do a couple of pin point tests. I'd make sure you were seeing +5v (dc of course) at pin #8 of the dmx trancever chip. I'd also make sure you are getting a good ground by using the digital ground as a ground for the voltage measurement. If you do not have a good digital reference as "0" being ground or off, you will have all sorts of weird problems. Next thing i'd be looking at is that big 40pin chip. Maybe something went wrong in there. I'm currious as to what chris is going to say.
Children
No Data
Related

www.etcconnect.com