Section 8-RG 501
DIAG RAMS
Symbols and Reference Designators
E lectrical components shown on the diagrams are in the following units unleu noted otherwise:
Capacitors · Values one or greater are in picofarads (pF ) .
Values leu than one are i n microfarads � F ) .
Resistors
•
Ohms
(m.
Symbols used
on
the diagrams are based on ANSI Standard
Y32.2·1 970.
Logic symbology is based on ANSI
Y32.14·1973
in terms of positive logic. Logic symbols depict the logic
function performed and may differ from the manufacturer's data.
The following prefix letters are used as reference designators to identify components or assemblies on the diagrams.
A
A_mbly,
•
.,.-.Ie or r.-lr..,le
H
H .. , dlttlpetlng device
, -'nee,
(cltc�h
bOerd,
elc.)
heel redletor, etc.)
AT
Anenuetor, filled Of yerleble
HA
H .. teI
8
Motor
HY
Hybrid circuit
8T
eenery
J
Connector, .letlonelY portiOn
C
C..,ecllor. filled or yerl.., ..
I(
A"ey
C8
Circuit breeker
l.
I nductor, filled or yerl..,le
CR
OlOde.
�
..
or rectifier
l."
I nduClor/retlttor combinet on
O l.
O .. ey line
M
Meter
OS
Indlcet1nt device nemp)
p
Connector. mov"''' portion
e
Sperk Gep
Q
Tren-'''or or tlilcon-contfotied
F
F u ..
,ectlf"r
F l.
F llt.r
A
A .. lttor. filled. or yerl..,l.
The following special symbols are used on the d iagrams:
VERT I CA L AM P LI F I E R
�
�
AT
S
T
TC
T ..
U
V
V"
Y
Z
T"-mlttOf
Swltdl
TrentfOf_
T,,-mocouple
Tett point
AtMmbly.
In..,..,le Of non.repelr..,le
(lnc.ere* circuit. etc.)
E lectron tube
VOIcege
NeU letor ( ,ener diode. etc.)
Cry",el
........ "'Ifter
Cam Switch Closure Chart
I nternal Screwdriver Adjustment
Test Voltage
Plug to E .C. Board
Panel Adjustment
Plug I ndex
Modified Component-See Parts L ist
Ref« to Waveform
Refer to Diagram Number
SE L Value Selected at Factory
Coaxial Connector
Panel Connector
Assembly Number
Board Name
Etched Circuit Board Outlined
in
Black
Schematic Name and Number
REV. B MAY 1976
