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Chapter 5 Replaceable Parts
Reference Designations
Assembly-Level Service Guide 5-3
5
Reference Designations
Table 5-2 lists the reference designations used in the parts lists, block
diagrams, and throughout the guide.
Replaceable Parts
Table 5-3 is a list of replaceable parts and is organized as follows:
Electrical assemblies in alphanumerical order by reference designation.
1. Electrical assemblies in alphanumerical order by reference
designation.
2. Chassis-mounted electrical parts in alphanumerical order by
reference designation.
3. Chassis-mounted mechanical parts in alphanumerical order by
reference designation.
The information given for each part consists of the following:
1. Reference designation.
2. Hewlett-Packard part number.
3. Part number check digit (CD).
4. Total quantity (QTY) in instrument. The total quantity is given once
and at the first appearance of the part number in the list.
5. Description of the part.
6. Typical manufacturer’s part number for the part.