Tektronix 4010 Maintenance Manual page 56

Adjustment-4010 Maintenance
Supply
+15 V
+5V
-15 V
-20 V
Unreg
+20 V
Unreg
+20 V
Fil
+175 V
Unreg
+328 V
Unreg
4-10
+15 V
J70
CR23
(A)
Center
Line
Voltage
+20 V FIL +328 V +175 V
(J71-PIN 1) (J71-PIN 3) (J71-PIN 5)
CR53 CR13
+5 V
J72
-15 V
J73
Fig. 4-5. Power Supply Adjustments and Test Points.
TABLE 4-2
Observed Voltages
(B)
(C) (D)
Low High Greater
Line
Line
Deviation
Voltage Voltage From (A)
-20 V
J78
% Observed
Regulation
(D) X100
(A)
NOT
APPLICABLE
Regulation
Limit
0.2%
1.0%
0.2%
®