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Project

update march 2017

update Jun 2017

 

Table of Contents

 

 

update the Firmware v1.023 (30 May 2017)

(current: http://www.e-licktronic.com/forum/download/file.php?id=106)

Release Notes:

http://www.e-licktronic.com/forum/viewtopic.php?f=25&t=864&p=4853#p4853   (You should replace C89 (BD-Section) and C163 (Snare Section) by 10nF filmcap (Build manual and Mouser BOM updated)


HH Bug

http://www.e-licktronic.com/forum/viewtopic.php?f=24&t=1233&p=7905#p7905

 

MIDI SYNC ISSUE (only if happen)

-Sync test in slave mode with a TR505 and with Ableton and Midi interface.

Sync with hardware is perfect but Nava loose some clock signal when sync with a software thru a Midi interface.

Replace R365 value by 1K and R314 value by 4K7 to increase Midi signal should solve this issue

 

only for rev.1.00 pcb: (not for 1.01, 1.02)

c163 to the new value mentioned 0.47 uf     fixed with 10NF see Bugs

Snare Drum

Q43, Q46, Q49

Mixed Collectors and Emitters

from Nava Forum: http://www.e-licktronic.com/forum/viewtopic.php?f=24&t=970&start=20

Q43, Q46 and Q49 are in the wrong way. This is a mistake. When we designed Nava SD PCBs, we placed this transistor to act like switches to generate SD envelopes. We had some sound test and it was okay for us but this transistors should act like amplifier.

To solve this issue you need to bend transistors pin 1 and 2 to swap their position in the pad.

summary:

Afaik the first pcb (v1.0 ) has 3 bugs, all of them are highlighted in red in the build guide and are easy to fix.

BD: http://www.e-licktronic.com/forum/viewtopic.php?f=24&t=889&start=50#p6085
SD: http://www.e-licktronic.com/forum/viewtopic.php?f=24&t=970&hilit=snare+q43&start=40#p5823
Master: http://www.e-licktronic.com/forum/viewtopic.php?f=24&t=850&hilit=master+mods&start=10#p4855

 

open: check in BD C8 for closer BD Decay (the Nava Decay is bigger as the original)

my version was build with addon second Noise source for fixing the loudness balance with snare and handclap

 

 

Power connection with MTA156

 

 

 

Nava_v1.0l_Schematics.pdf

Nava_v1.0 silkscreen.rar (brd File)

 


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