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Bastian

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MIDIbox Newbie

MIDIbox Newbie (1/4)

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  1. Sinds dit voorjaar een sammichSID in elkaar gesoldeerd... Een beetje gekloot met het display voordat deze goed bleef werken, verder geen troubles! Probeer het apparaat nu aan te sturen met de novation slMk2 en ableton Live Bas
  2. So! after a couple of transport troubles everything is on the road again. Replaced the T1 transistor and the pic after frying the display interface on the pic. It's alive again! sammichSID users: don't turn up your brightness further than half the potentiometer track! Thanks Wilba! for sending spare ones!
  3. It's Two steps forward and one step back... Solved the booting error with midi cables attatched. The error at boot was caused by a setting in my midi controller. Some kind of loopback happened caused by the MidiTo setting in the novation sl25. It should be set to u1 only, no m1 or m2 with this. I noticed a spit out of hex code in the midi monitor on the laptop. And thought of changing the setting on the controller. Works fine now. Beside that with all the the checking and measuring, I forgot to shut the power down before removing the top pcb with display. Now there's only a block on it... probably fried the display interface part of the PIC. When I switch PIC's with a fresh one the screen is online again, but still no backlight :( ...man i really need to start thinking instead of moving parts around...
  4. I have to remove the midi cables. Or the sammich won't boot. I'm also a bit confused about the backlight setting. Since yesterday the backlight of the unit isn't working anymore. I ordered two kit's and tested with the other display. The backlight of this one isnt working at well in the built sammich. Those are the negative green screens witch are supplied by wilba. The voltage rating setting sais 5v on the backlight. But the build manual sais i need to set 12v on the pcb for high power backlights. Can anyone tell me witch is the correct setting? And How can i check if the backlight is still working outside of the sammich? When i measure the voltage on the two backlight pins (b- and b+) I read 4.82v (jbl to 5 volt) and 11.90v (jbl to 12v) is this correct? Thanks!
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