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Chapter 5: Troubleshooting
Troubleshooting the Agilent 1690A,AD-series
a Click on the Start button in the task bar, then select Shut Down.
b In the Shut Down window, select Shut Down from the menu, then
select the OK button.
3 Remove the power supply from the instrument. Refer to “To remove the
power supply” in Chapter 6.
4 After removing the poser supply, connect a power cord to the power
supply and plug the power cord into line power.
5 Using DVM, measure the power supply voltages.
Power Supply Voltages
CN1 CN2
Pin Voltage Pin Voltage
1-3 +3.4 V 1,2 +5.1 V
4,5 COM 3 COM
6,7 +3.4 V 4 -5.2 V
8-10 COM 5,6 COM
7+12 V
8+5.1 V
9,10 COM
11,12 -5.2 V
13 COM
14 +12 V