Tektronix 2213 - Page 133

Symbols
DIAG R A M
S A N D CI R C U IT B OA R D I LLU
ST
R
ATIO N S
Gra ph ic symbols an d class d esig n ation
letters are
based on AN SI Sta nd ar d Υ 32 .2-1975
.
L
ogic sym b ology is based on A N SI Υ 32 .14-1973 in
terms of p ositive logic . L
ogic symbols depict t he logic
fu n ctio n p erformed a nd may differ from t he
ma
n
ufac-
turer's d ata .
T he overli ne on α sig n al n ame i n dicates t h at t h e sig n al
performs its inte nde d function w h en it is in t h e low state .
A b breviatio n s are based on AN SI Υ 1 .1-1972 .
Ot
h er AN
SI sta
nd ar d s t h at a r e use d in t he p re p aratio n
of
d iagrams b y Te k tro n ix, I n c . are :
T h e information and s p ecial symbols
Assembly N um b ers and Gri d Coor d i n ates
Each assembly i n t h
e
i n strume n t
is
assig n ed
an
assem b ly nu mber (e .g ., Α 20) . T he assembly number
appears on t he circ u it b oar d outli ne on t h e d iagram, i n t h e
title for t h e circuit boar d component location illustratio n ,
a nd i n the look up table for t he sch ematic diagram and
corres p on
d i ng
com
p
o
n
e
n t
locator
illustration
. T h e
Re p laceable E lectrical P arts list is ar r anged by assemblies
i n numerical seq u ence ; t h e components are listed by
component nu mber "(see followi ng illustratio n fo r
con str u cti n g α com po n en t n u mbe r ) .
Cam Switch
Closure Chart
(Dot indicates
switch closure)
E tched Circuit Board

_ _
Outlined in Black
R efer to W aveform
Function Block . . .. . . . .
O utline
IC type -"-- -
_
Test V oltage
--------
Heat Sink
Board
Name
Assembly Number
-
Tektronix P art Νο . _ . 
for circuit b oards
_-1 υ - - . :
_-3 Λ , ζ R 12 - 34
1-1-1-1-1- .111_111 ι 1
Υ 14 .15, 1966

Drafti n g Pr actices .
Υ 14 .2,
1973

L ine Conve n tio ns a nd L etteri n g .
Υ 10 .5, 1968

L
etter Symbols for Qua n tities Use d i n
E lectrical
Scie n ce a nd E lectrical
E ngi n eeri n g .
Compone n t V alues
E lectrical com p o ne n ts sh own on t he diag r ams are i n
t
h
e
following units
u
n
less note d ot he r wise :
Capacitors = V alues one or greater are i
n picofara d s (pF) .
V al u es less t han
o
n e are
i n microfara d s
(
Ν F) .
R
esistors =O h ms ( Ω ) .
b elow may
ap p ear in t h is manual .
T h e sc h ematic diagram an d circuit board com p o nen t
locatio n ill u stration h ave grids . Α loo k up table wit h t h e
grid coordinates is provi d ed
for ease of
locati ng t h e
compo nen t . O n lyt he compo nen ts illustrated on t h efacing
d iagram are liste d in t
h
e loo kup ta b le . Wh en more t h an
o
n e schematic d iagram is u se d -
to
illustrate t h
e circuitry on
α circuit board, t he circ u it boar d ill u stratio n may
only
ap pear o pp osite t he first d iagram on w h ic h it was il-
l u strated ; t he looku p table will list t he d iag r am n umbe r of
ot he r diagrams t h at t he circ u itry of t he circ u it board
a pp ears on .
America nN atio n al Stan
dard I n stitute
1430 B roadway
N ew Yor k , N ew Yor k 10018
SY
N
C G ENER
ATO
R
τες
SYNC
M odified Component-See
P arts L ist (Depicted in grey,
o r with grey outline)
Plug to
E
.C .
B
oard
i100
Βοχ - Identifies P anel
οπ r ols, Connectors and
I ndicators
Coaxial connectors :
m
ale
female
P l ug I nd ex ; signifies p i n Νο . 1
S hielding
Selected value, see
P arts L ist
and M aintenance Section
for
Selection Criteria
Schematic N ame
and Number