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A3 Ca L I B Rate Assemb L Y R Emova L; Log I C Sym B O L S; Log I C C O N C E Pts - HP 5363B Operating And Service Manual

Time interval probes
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M o d e l 5363 8
S e rv i c e
7 .
Ca ref u l l y p u s h f ro n t p a n e l f ro m b e h i n d t o f ree i t f ro m t h e f ro n t f ra m e . A l l ow p r o b e
c a b l e s to f e e d t h ro u g h t h e c a b l e s t ra i n re l i ef s m o u n ted o n t h e f ro n t p a n e l . R e ve rse
proced u re to r e p l a c e f ro n t p a n e l .
8-32.
A3 Ca l i b ra te Asse m b l y R em ov a l
8-33.
To rem ove t h e A3 C a l i b rate Asse m b l y :
1 .
D i s c o n n e c t t h e p o we r c a b l e f r o m t h e rea r p a n e l of t h e 5363 8 .
2 .
R e m ove t h e f ro n t p a n e l a sse m b l y .
3 .
R e m ove t h e k n u rl e d n u t f ro m t h e T I M E Z E R O/ L EV E L s w i t c h a n d t h e pl a st i c k n o b f r o m
the P U L L TO A D D 1 0 .00 n s c O ' 1 t ro i .
4 .
R e m ove t h e f o u r Pozi d ri v sc re ws h o l d i n g t h e A 3 Ca l i b rate Asse m b l y b o a rd t o t h e f r o n t
pan e l , a n d p u l l a sse m b l y f re e . R e ve rse t h i s p ro c e d u re to r e p l a c e A 3 Ca l i b ra te
Asse m b l y .
8 - 3 4 .
LO G I C S Y M B O L S
8-35.
L o g i c s y m b o l s used i n t h i s m a n ua l c o n f o r m to t h e A m e ri c a n N a t i o n a l S t a n d a rd A N S I
Y32 . 1 4 - 1 973 , I E E E Std . 9 1 - 1 973 , . T h i s sta n d a rd s u pe rsed e s M I L-ST D-8068. I n t h e f o l l o w i n g
pa ra g ra p h s l o g i c s y m b o l s a re d e s c ri b e d .
8-36.
L o g i c C o n c e pts
8-3 7 .
T h e b i n a ry n u m be rs 1 a n d 0 a re u s ed i n p u re l o g i c w h e re 1 re p r e s e n t s t r u e , yes , o r
a c t i ve a n d 0 represents fa l s e , n o , o r i n a c t i v e . T h ese t e r m s s h o u l d n o t b e c o n f used w i th t h e
p h ys i c a l q u a n t i t y e . g . , v o l t ag e , t h a t m a y b e u s e d to i m p l e m e n t t h e l o g i c , n o r s h o u l d t h e te r m
" a c t i ve" be c o n f use w i t h a l e v e l t h a t t u r n s a d e v i c e o n o r o f f . A t r u t h ta b l e f o r a r e l a t i o n s h i p i n
l o g i c s h o w s , i m pl i c i t l y o r e x p l i c i t l y , a l l t h e c o m b i na t i o n s of t r u e a n d f a l se i n p u t c o n d i t i o n s a n d
t h e res u l t , o u t p u t
i l l u st ra t i o n s a ss u m e t w o i n p u t s , A a n d 8 " b ut t h ese c a n b e g e n e ra l i ze d to a p p l y to m o re t h a n
two i n p u ts .
8-6
Extreme ca re m u st b e exe rc i se d w h e n re p l ac i n g the f ro n t
p a n e l a sse m b l y t o i n s u r e p r o p e r a l i g n m e n t of t h e 1 6 c o n n e c t o r
pi n s o n t h e m o t h e r b o a rd to t h e m a tc h i n g s o c k e t s o n t h e f ro n t
pa n e l ca l i b rate a sse m b l y . A l s o , m a ke s u re t h e l i n e off/o n
s w i t c h p r o t r u d e s t h ro u g h t h e f ro n t p a n e l a n d d oe s n ot b i nd .
D O N O T F O R C E T H I S A SS E M 8 LY .
I .
T h e re a re o n l y two b a s i c l o g i c r e l at i o n s h i p s , A N D a n d O R . T h e f o l l o w i n g
N O TE

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