00:00 – Intro
00:19 – VG1000J unknown part
01:46 – Schematic diagram overview
02:38 – Power supply
04:31 – Modifications for 115/230V 50/60Hz
07:07 – AC-DC converter assy
08:03 – Temperature controller
10:22 – Crowbar circuits
11:42 – Logic circuits
14:28 – Capacitive probe fontend