Diodes with their ugly pretty much non-speaking Labeling.
Here are the Schematics i finally hammered... 5.zip|}}**
:!: UPDATE: The Schematics now should be pretty much CORRECT. The T2 Transistor BD317 (TO3... obscure DataSheet on the Internet saying it would be a PNP. The SF826D (T1) ist also a NPN universal ... ].
:!: UPDATE: **The Power Supply meanwhile has been fixed.** Thanks to some gentle Users on Dave J