Agilent Technologies E4980A - Page 30

30 Chapter 4
Troubleshooting
Power On Sequence Troubleshooting
Figure 4-2 Output Voltage Location
• If the voltmeter reading is not within the following limits, replace the power supply
unit.
㪼㪋㪐㪏㪇㪸㫊㪼㪈㪇㪋㪌
P6
P5
P4
P1
-12V
+12V
+3.3V
+5V
J11
P3
P4
P5
P1
+3.3V
P3 +12V
P6 -12V
+3.3V
+12V
+5V
J6
J5
P501
Table 4-1 Power Supply Unit Output
supply Range
+ 3.3 V + 3.2 to + 3.4
+ 5 V + 4.8 to + 5.2
+ 12 V + 11.4 to + 12.6
- 12 V - 11.4 to -12.6