ANK Mentor 2A/300B - Page 99

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Page 99
Filament Supply Board
Multimeter
Setting
Black Lead
Red Lead
Approximate
Reading
DC
GND on Filament Supply Board
16
DC-1
5V DC
GND on Power Supply Board
17
DC-1
70-75V DC
GND
65-70V DC
AC
AC-1
AC-2
7V AC
AC
AC-3
AC-4
7V AC
16
Repeat this test on the other 'side' DC-1 and GND. It should also be 5V DC.
17
This is a good example of a "floating ground".