HP 54616B User And Service Manual page 115

Measure the power supply voltages at E10 through E15 on the system
2
board.
The test points are not marked on the system board; see figure below for
location of test points.
Make sure that the voltage measurements are within the following tolerances.
Power Supply Voltage Tolerances
Supply Voltage
+5.1 V
–5.25 V
+15.75 V
− 15.75 V
Figure 4-1
Low Voltage Power Supply voltage test points
(bottom side of oscilloscope)
Tolerance
±153 mV (+4.947 V to +5.253 V)
±158 mV (–5.092 V to –5.408 V)
+1.260 V, –787 mV (+14.963 V to +17.010 V)
±787 mV (−14.963 V to −16.537V)
Service
Adjusting the Oscilloscope
4–23