Schematic Diagram Notes - HP 437B Service Manual

HP 437B
Table 8-2. Schematic Diagram Notes (2 of 8)
SCHEMATIC DIAGRAM NOTES
Asterisk denotes a factory-selected value. Value shown is typical.
Dagger indicates circuit change. See Section VII.
Tool-aided adjustment. O Manual control.
Encloses front-panel designation.
Encloses rear-panel designation.
Circuit assembly borderline.
Other assembly borderline.
Indicates stripline (i.e., RF transmission line above ground).
Numbered Test Point
measurement aid provided.
A direct conducting connection to earth, or a conducting connection to a structure
that has a similar function (e.g., the frame of an air, sea, or land vehicle).
A conducting connection to a chassis or frame.
Common connections. All like-designation points are connected.
Letters = off-page connection, e.g., [AK
Number = Service Sheet number for off-page connection, e.g., 12
Number (only) = on-page connection.
SERVICE 8-7