Appendix Service Information
Replaceable Parts
189
Service
Information

Replaceable Parts

This chapter contains information ordering replacement parts for your power
supply.
• E3640A/41A/42A/43A/44A/45A Power Supply Assembly‚ on page 190
• Manufacturer’s List‚ on page 191
The parts lists include a brief description of the part with applicable Agilent
part numbers and manufacturer part number.

To Order Replaceable Parts

You can order replaceable parts from Agilent Technologies using the Agilent
part number or directly from the manufacturer using the manufacturer’s part
number. Note that not all parts listed in this chapter are available as field-
replaceable parts. To order replaceable parts from Agilent, do the following:
1Contact your nearest Agilent Sales Office or Agilent Service Center.
2Identify parts by the Agilent part number shown in the replaceable parts lists.
Note that not all parts are directly available from Agilent; you may have to order
certain parts from the specified manufacturer.
3Provide the power supply model number and serial number.

Schematics and Diagrams

This chapter contains a block diagram, schematics, and component locator
drawings for the power supply.
• Component Locator (top) for main board assembly, on page 197.
• Component Locator (bottom) for main board assembly, on page 198.
• Power and Protection Schematic, on page 199.
• AC Input and Bias Supply Schematic, on page 200.
• Floating Logic Schematic, on page 201.
• A/D and D/A Converter, on page 202.
• Earth Reference Logic Schematic, on page 203.
• Component Locator for front panel, on page 204.
• Display and Keyboard Schematic, on page 205.