Fluke 8508A - Page 39

Theory of Operation
Overall Functional Description 2
2-7
Line
Power
+17 V regulator +17 V dc
+8 V dc
+5 V dc
+8 V regulator
+5 V regulator
T2
F1
T1
+17 V
J502
J501
+15 V dc
+5 V dc
15 V regulator
+15 V regulator
-15 V dc
+8 V dc
-18 V dc
+36 V dc
In-guard Voltages
Out-guard Voltages
-36 V dc
250 V ac
to
Ohms
PCA
36 V regulator
+36 V regulator
+5 V regulator
+
-
+
-
J401
J150
avw004f.eps
Figure 2-2. Power Supplies - Simplified Block Diagram