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Model 11848A
Schematic Notes
Table 8. Schematic Diagram Notes (2 of 11)
Values for all components are marked in units of farads, henries, and ohms unless otherwise
specified.
*
Asterisk denotes a factory-selected value. Value shown is typical. S e e Section V.
0
Tool-aided adjustment.
I
I
Encloses front-panel designation.
I
J
Encloses rear-panel designation
_ _
— — —
Circuit assembly borderline.
Other assembly borderline.
■
Heavy line with arrows indicates path and direction of main signal.
m
Heavy dashed line with arrows indicates path and direction of main feedback.
- # _
Indicates stripline (i.e., R F transmission line above ground).
TP1
Wiper moves toward cw with clockwise rotation of control (as viewed from shaft or
knob).
^o
Numbered Test Point
measurement aid provided.
Encloses wire or cable color code. Code used is the same as the resistor color code.
"C--'~
First number identifies the base color, second number identifies the wider stripe, and
the third number identifies the narrower stripe, e.g., ®7) denotes white base, yellow
wide stripe, violet narrow stripe.
±
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).
m
A conducting connection to a chassis or frame.
y
Common connections. All like-designation points are connected.
j 2
Letter = off-page connection.
Number = Service Sheet number for off-page connection.
In the example, signal flow is continued on Service Sheet 12, at the point
marked
PA6E
Number (only) = on-page connection.
79
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