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projects:luefter [2026/03/16 19:59] – created - external edit 127.0.0.1projects:luefter [2026/03/22 16:23] (current) – [Reverse Engineering] admin
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 On some PCBs it's nearly impossible to read part numbers on the backside of PCB as the high voltage portion on the backside is painted in clear protective glue. For measurements, I have just scratched it. You can melt the glue carefully to close up the scratches again - do not burn components or anything, rather try out Plastik 70 (no ad, not tried out yet). \\ On some PCBs it's nearly impossible to read part numbers on the backside of PCB as the high voltage portion on the backside is painted in clear protective glue. For measurements, I have just scratched it. You can melt the glue carefully to close up the scratches again - do not burn components or anything, rather try out Plastik 70 (no ad, not tried out yet). \\
 The backside of the PCB has no silkscreen - unfortunately, that is why I have made up some names for test points, e.g. ACF (=AC Frequency input) \\  The backside of the PCB has no silkscreen - unfortunately, that is why I have made up some names for test points, e.g. ACF (=AC Frequency input) \\ 
-I have quickly sorted all parts in KiCad according to PCB layout - with some imagination. Yes, I am well aware that schematics are normally not drawn like that. It is only my shared notes; if you want to pick up on them, separate parts and create a board layout, go for it :). It might contain errors, I actually haven't checked. \\+I have quickly sorted all parts in KiCad according to PCB layout - with some imagination. **Yes, I am well aware that schematics are normally not drawn like that.** It is only my shared notes; if you want to pick up on them, separate parts and create a board layout, go for it :). It might contain errors, I actually haven't checked. \\
  
 {{:projects:maico-fan:hardware:schematics_wo-mcu.png?600|}} schematics without MCU \\ {{:projects:maico-fan:hardware:schematics_wo-mcu.png?600|}} schematics without MCU \\
projects/luefter.1773687541.txt.gz · Last modified: by 127.0.0.1

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