Author Topic: Express Issue  (Read 3878 times)

Offline tbone321

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Re: Express Issue
« Reply #15 on: October 29, 2014, »
Has the PIC been flashed with the required firmware?  I would do some voltage measurements on the regulators to make sure that you have power and especially the 3.3V required to power up the PIC.
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Offline Donny M. Carter

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Re: Express Issue
« Reply #16 on: October 29, 2014, »
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Has the PIC been flashed with the required firmware?  I would do some voltage measurements on the regulators to make sure that you have power and especially the 3.3V required to power up the PIC.

Yes pic flashed. Swapped pics also with working unit. Verified regs are in correct location with correct voltage.
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Offline Donny M. Carter

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Re: Express Issue
« Reply #17 on: October 29, 2014, »
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Greetings,,,

Could you try with a known good dmx signal to see if any of the 16 leds light up, with all channels on?

But it looks like I would check around the pic and the switches, based on what I've read.  If you've got another unit that's working, you can compare voltages between the two.

Keith

Tried a known working signal from working unit and plugged in to non-working with no luck. The DMX status light comes on, but no output.
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Offline Donny M. Carter

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Re: Express Issue
« Reply #18 on: October 29, 2014, »
Well...Looks like one of the 4.7K resistors was broken where it meet the board! Not sure how that happened, but it works fine now! Thanks to everyone for their help!
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