This is a good a place for this info as any. I've just had to repair my DS2072A-S and needed to probe these out.
Rigol LPS-SMPS80
Voltages with load connected
(viewed from wire end of plug, or looking down at the PCB, latch is adjacent to pin 11)
Voltage | Colour | Pin | Pin | Colour | Voltage |
Ground | Black | 8 | 1 | Black | Ground |
-20.25V | Grey | 9 | 2 | Orange | /Power On |
+7.5V | Yellow | 10 | 3 | Yellow | +7.5V |
+5V SB | White | 11 | 4 | Green | -7.8V |
+17.5V | Blue | 12 | 5 | Brown | -- |
+5.5V | Red | 13 | 6 | Red | +5.5V |
Ground | Black | 14 | 7 | Black | Ground |
DS2000 FGBoard Function Generator Daughterboard Connector
(pin 1 closest to centre of motherboard)
Voltage | Pin | Pin | Voltage |
Ground | 1 | 2 | +5.5V |
Ground | 3 | 4 | +5.5V |
| 5 | 6 | |
| 7 | 8 | |
| 9 | 10 | |
| 11 | 12 | |
Ground | 13 | 14 | -7.8V |
Ground | 15 | 16 | +7.5V |
Ground | 17 | 18 | -20.25V |
Ground | 19 | 20 | +17.5V |