HP 53181A - Backdating Hardware

Chapter 6 Backdating
Backdating Hardware
Assembly-Level Service Guide 6-3
6
Backdating Hardware
CHANGE 1 (Below Series Prefix 3711A)
Page 2-40, Table 2-1. HP 53131A Assembly Identification:
Change A1 Motherboard part number from 53131-60004 to
53131-60001.
Page 2-42, Table 2-3. HP 53181A Assembly Identification:
Change A1 Motherboard part number from 53181-60004 to
53181-60001.
Page 5-7, Table 5-3. HP 53131A/132A/181A Replaceable Parts:
53131A—Change A1 Motherboard part number from 53131-60004 to
53131-60001.
53181A—Change A1 Motherboard part number from 53181-60004 to
53181-60001.
CHANGE 2 (New A3 5/12.4 GHz Prescaler Assembly)
Page 2-40/Page 2-42, Table 2-1/Table 2-3. HP 53131A/132A/181A
Assembly Identification:
Change A3 Channel 3 Input Board (Option 050) part number from
53132-60212 to 53132-60211; exchange part numbers change from
53132-69212 to 53132-69211.
Page 5-7, Table 5-3. HP 53131A/132A/181A Replaceable Parts:
Change A3 Channel 3 Input Board (Option 050) part number from
53132-60212 to 53132-60211; exchange part numbers change from
53132-69212 to 53132-69211.