Tektronix 434, Инструкция по эксплуатации

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S E C T I O N 8
D I A G R A M S , C IRC U IT B O A R D S , M E C H A N IC A L
A N D R E P A C K A G IN G PARTS IL L U S T R A T IO N S
4 3 4
Sym bols and Reference Designators
E le c tric a l c o m p o n e n ts s h o w n o n th e d ia g ra m s are in th e fo llo w in g u n its unless n o te d o th e rw is e :
C a p a c ito rs = V a lu e s o n e o r g re a te r are in p ic o fa ra d s (p F ).
V a lu e s less th a n o n e are in m ic ro fa ra d s (
m
F ).
R e sistors = O h m s ( f i )
S y m b o ls used o n th e d ia g ra m s are based o n U S A S ta n d a rd Y 3 2 .2 -1 9 6 7 .
L o g ic s y m b o lo g y is based o n M IL -S T D -8 0 6 B in te rm s o f p o s itiv e lo g ic . L o g ic s y m b o ls d e p ic t th e lo g ic fu n c t io n p e rfo rm e d
and m a y d if f e r fr o m th e m a n u fa c tu re r 's d a ta .
T h e fo llo w in g special s y m b o ls are used o n tn e d ia g ra m s :
<
3
>
E x te rn a l s c re w d riv e r a d ju s tm e n t.
E x te rn a l c o n tr o l o r c o n n e c to r.
C lo c k w is e c o n tr o l r o ta tio n in d ir e c tio n o f a rr o w .
R e fe r t o d ia g ra m n u m b e r in d ic a te d in d ia m o n d .
C o n n e c tio n s o ld e re d to c ir c u it b o a rd .
C o n n e c tio n m ade t o c ir c u it b o a rd w it h in te rc o n n e c tin g p in .
B lu e t i n t encloses c o m p o n e n ts lo c a te d o n c ir c u it b o a rd .
T h e fo llo w in g p r e fix le tte rs are used as re fe re n c e d e s ig n a to rs t o id e n tify c o m p o n e n ts o r assem blies o n th e d ia g ra m s .
A A s s e m b ly , separable o r re p a ira b le ( c ir c u it b o a rd , e tc .)
A T A tt e n u a to r , fix e d o r v a ria b le
B M o to r
B T B a tte ry
C C a p a c ito r, fix e d o r v a ria b le
C R D io d e , signal o r r e c tifie r
D L D e la y lin e
DS In d ic a tin g d e v ic e (la m p )
F Fuse
F L F ilte r
H H e a t d is s ip a tin g d e v ic e (h e a t s in k , he a t r a d ia to r , e tc .)
H R H e a te r
J C o n n e c to r, s ta tio n a r y p o r t io n
K R e la y
L In d u c to r , fix e d o r v a ria b le
L R I n d u c to r /re s is to r c o m b in a tio n
M M e te r
Q T ra n s is to r o r s ilic o n -c o n tr o lle d r e c tifie r
P C o n n e c to r, m o v a b le p o r t io n
R R e s is to r, fix e d o r v a ria b le
R T T h e r m is to r
S S w itc h
T T ra n s fo r m e r
T P T e s t p o in t
U A s s e m b ly , in se p a ra b le o r n o n -re p a ira b le (in te g ra te d
c ir c u it , e tc .)
V E le c tro n tu b e
V R V o lta g e re g u la to r (zener d io d e , e tc .)
Y C ry s ta l
8-1