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Model 11869A
Service
BASIC COMPONENT SYMBOLOGY
R, L, C
P/0
*
O
o
CZD
<7
A;
V-
Resistance is in ohms,
inductance is in micro¬
henries, capacitance is
in microfarads, unless
otherwise noted.
Part of.
Indicates a factory sel¬
ected component.
Panel Control.
Screwdriver adjustment.
Encloses front panel
designation.
Encloses rear panel
designation.
Circuit assembly border¬
line.
Other assembly border¬
line.
Heavy line with arrows
indicates path and dir¬
ection of main signal.
Indicates path and dir¬
ection of main feed¬
back.
Earth ground symbol.
Assembly ground. May
be accompanied by a
number or letter to spec¬
ify a particular ground.
Chassis ground.
Represents n number
of transmission paths.
Test Point: Terminal
provided for test probe.
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© <r
<r
©
T"
-(
|>tN|
TV
Pin Edge Connector
output of PC board.
Indicates wire or cable
color code. Color code
same as resistor color
code. First number
indicates base color,
second and third
numbers indicate
colored stripes.
Indicates shielding con¬
ductor for cables.
Indicates a plug-in
connection.
indicates a soldered or
mechanical connection.
Connection symbol in¬
dicating a male con¬
nection.
Connection symbol in¬
dicating a female con¬
nection.
Resistor.
Variable Resistor.
General purpose diode.
Step recovery diode.
Schottky diode.
Breakdown Diode: Zener
Light-Emitting Diode.
SCR (Silicon Controlled
Rectifier).
-O'V-O
o I
o'
o
——
©
FET: Field Effect Tran¬
sistor (N-chanhel).
FET: Field Effect Tran¬
sistor-Guarded gate- (N
channel).
Dual Transistor.
Transistor NPN
Transistor PNP
Electrolytic Capacitor.
Toroid: Magnetic core
inductor.
Operational Amplifier.
Fuse
Pushbutton Switch.
Toggle Switch.
Thermal Switch.
Summing Point.
Oscillator;
RPG (Rotary Pulse
Generator).
Fan, Motor.
Toroidal Transformer
LOGIC SYMBOLOGY
E>
AND Gate
E>
NOR Gate
©
Inverter
E>
OR Gate
Exclusive 0R Gate
-o
Negation symbol. Line is
active low.
©ry
NAND Gate
{>
Buffer/Amplifier
—
Ir*
indicated edge-sensitive
input.
Figure 8-1, Schematic Diagram Notes (1 of 3)
8-3
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