Keithley 6521, Инструкция по эксплуатации, Страница: 53 / 65

5
Replaceable Parts
5-1
5.1 Introduction
This section contains replacement parts information, sche-
matic diagrams, and component layout drawings for the
Model 6521/22.
5.2 Parts lists
Parts lists for the scanner cards are included in tables inte-
grated with schematic diagrams and component layout draw-
ings for the boards. Parts are listed alphabetically in order of
circuit designation.
5.3 Ordering information
To place an order, or to obtain information concerning re-
placement parts, contact your Keithley representative or the
factory (see inside front cover for addresses). When ordering
parts, be sure to include the following information:
• Card model number (6521/22)
• Card serial number
• Part description
• Circuit description, if applicable
• Keithley part number
5.4 Factory service
If the card 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 card.
• Carefully pack the card in the original packing carton.
• Write ATTENTION REPAIR DEPT and the RMA
number on the shipping label.
NOTE
It is not necessary to return the Model
6517 Electrometer with the card.
5.5 Component layouts and schematic
diagrams
Component layout drawings and schematic diagrams are in-
cluded on the following pages integrated with the parts lists
for the Model 6521 and Model 6522 Scanner Card.