Heathkit AR-14 - Page 2

TYPICAL COMPONENT TYPES
This chart is a guide to commonly use d t ypes of el ec -•
tronic components. The symbols and r e lated illustra -
tions should prove helpful in identifying most parts and
reading the schematic diagrams.
J
TRANSFORMER
LON CORE
I I
I I
TRANSFORMER w
(ADJUSTABLE
G
POWDERED IRON
C
ORE) ARROW
INDICATES DIR-
ECTION OF CORE
MOVEMENT TO ·
INCRE AS E I NDUCTANCE
TRANSFORMER
( ADJUSTABLE
CORE)
]
J
POWER
[
TRANS-
FORMER
I
NDUCTOR
(COIL)
PIEZOELECTRIC.
CRYSTAL
BINDING
POST
ANTENNA
GENERAL LOOP
ELECTROLYTIC
C APACITOR
*ACITOR~
BATTER
PHONO
PHONE
JACK
EARTH GROUND
CHASSIS GROUND
P LATE
SU PPRESSC R
SCRE
EN
GRID TUBE
CA TH ODE
FIL A MEN T
B ASE
EM ITTE R
COLLECT OR
B
NPN EM ITTER
DIODE) . ,,-
NEON
BULB
BULB
~METER
SPST SWITCH
(TOGGLE)
-
I
-
DPDT
FUSE
CONDUCTORS
+
NOT CONNECTED SHIELDED
CONNECTED