v131
- changed IC6 & IC13 to TSSOP24 ( JLC out of stock for SOIC24 )
-> may change to 2*138 as for GottFA80 in the future
v132 
-added poti R52 to be able to adjust 60V for displays
v133
with smaller solderpads for TO251AA parts
as with the old padsize JLC had produced sometimes solder bridges
v141
back to voltage regulator TL783
v142
changed IRLZ34N to IRL540 ( text only, BOM already changed)