Just finished Building the DIY Lich... but I appear to have a dead OWL board!

OWL Lich
#1

Hi,
I have Built the LICH DIY and I am having a problem. The Smoke test passes… but there is no life (nothing lights up … no led… no 7 segment display, nothing appears to indicate it is getting power. I have verified that 5v is going to the Owl board when I don’t have the OWL board attached… However, when It is attached and I power it up… Some MM probing shows that locations that Should be getting 5v. are only getting 2.5v. I am currently going through all of the Resistors and verifying from the color coding that I don’t have one with the wrong value soldered in somewhere. I don’t think I do, I was very careful when I installed them and I tested them before soldering.

I asked in my Latest email interaction with a Rebel support person if there is anyway to verify the integrity of the OWL board. They directed me to this forum for all OWL questions. Does anyone have any suggestions?

#2

I can’t help you with troubleshooting Lich, but testing OWL board on its own is fairly easy. You can take out the digital OWL board, connect pins marked VBUS and 5V with a jumper cable and power from its microUSB port. This should give you a new USB device if the board works.

OWL on plugdata
#3

With the board connected and powered by USB as @antisvin suggests you could check the voltage at the 5V and 3.3V pins (marked 3v3 on the OWL board).

#4

OK… I’m extremely late in responding to this… because the Whole Lich kit has been abandoned on my work bench … Now I’m back to it again. I tested the OWL board, as was suggested … It checks out! Shows up on my Mac as an “OWL MIDI”. device on my Mac … I also checked the 5v pins and the 3v pins and get good MM readings… So I guess that means its got to mean the problem still lies somewhere in my LICH boards. :frowning: Any suggestions on what components to check on the LICH Kit?