Agilent Technologies 11982A, Operation And Service Manual

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4-15
Verification and Service Information
Service Information
Replacing the
Power Supply Unsolder the connections to the dc power supply. Remove the four screws
that attach the power supply to the chassis. Use
Figure 4-3 and Table 4-5
when installing a new power supply.
Figure 4-3. Wiring Diagram for the Power Supply Terminals
Table 4-5. DC Power Supply Terminal Connections
Index Number Cable Attachment Cable Color
1 E2 +OUT to the photodetector and electrical amplifier
unit Red
2 E1 –OUT to the photodetector and electrical amplifier
unit Green
3 E2 –OUT to E1 COM Black
4 RF coax cable shielding to E2 –OUT —
RF coax cable inner conductor to E2 +OUT —
5 E1 +OUT to LED anode Orange
6 E1 COM to LED cathode Yellow