Keithley 2303, Service Manual, Page: 54 / 104

4-2 Replaceable Parts
Introduction
This section contains replacement parts information for both the Models 2303, 2303B, and
2303-PJ.
Ordering information
To place an order, or to obtain information concerning replacement parts, contact your
Keithley representative or the factory. When ordering parts, be sure to include the following
information:
• Instrument model number (Model 2303, 2303B, or 2303-PJ)
• Instrument serial number
• Part description
• Component designation (if applicable)
• Keithley part number
Factory service
If the instrument is to be returned to Keithley Instruments for repair, perform the following:
• Call the Repair Department at 1-800-552-1115 for a Return Material Authorization
(RMA) number.
• Complete the service form at the back of this manual, and include it with the instru-
ment.
• Carefully pack the instrument in the original packing carton or equivalent.
• Write ATTENTION REPAIR DEPARTMENT and the RMA number on the shipping
label.
Parts lists and component layouts
The parts lists for the Models 2303, 2303B, and 2303-PJ are listed separately in tables on the
following pages. For part numbers to the various mechanical parts and assemblies, use the as-
sembly drawings provided at the end of
Section 3 . Component layout drawings are provided at
the end of this section:
• Digital board – 2303-100
• Analog board – 2303-120
• Display board – 2304-110
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