Tektronix 2213, Инструкция по эксплуатации

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GENERAL NOTES
A. Use sc h e m a tic d ia g ra m s ) th e o v e r a l l b lo ck
d iagram > c i r c u i t b o a rd i l l u s t r a t i o n s ) and
c i r c u i t d e s c r ip t io n s when a n a ly z in g in s tru m e n t
m a lfu n c tio n s and l o c a t in g t e s t p o in t s . The
sc h e m a tic d ia g ram s in c lu d e t y p i c a l waveforms
and v o lta g e s t h a t a r e in te n d e d as an a id
in tr o u b le s h o o t in g .
B. Always s e t th e POWER s w itc h to OFF and u np lug
th e l i n e co rd b e fo r e sw a p p in g ) re m o v in g ) o r
r e p la c in g com ponents) and b e fo r e c o n n e c tin g o r
d is c o n n e c tin g in s tru m e n t le a d s and c a b le s .
C. When a n a ly z in g c i r c u i t m a lf u n c t io n s ) c o n s id e r
c o n n e c to rs and c a b le s as p o s s ib le causes o f
f a i l u r e .
SPECIFIC NOTES
The P r e r e g u la t o r and I n v e r t e r c i r c u i t s have a
f l o a t i n g common r e f e r e n c e w ith re s p e c t to c h a s s is
g ro un d . A c -s o u rc e p o t e n t i a l i s p re s e n t on th e
common r e f e r e n c e p o in t s . Connect th e in s tru m e n t
to th e ac -p o w e r so u rc e th ro u g h an i s o l a t i o n t r a n s ­
fo rm e r to p re v e n t th e p o s s i b i l i t y o f p e rs o n a l i n j u r y
o r equipm ent damage when t r o u b le s h o o tin g th e s e
c i r c u i t s . When an a u to tr a n s fo r m e r i s a ls o used in
th e tr o u b le s h o o tin g p r o c e d u r e > connect th e i s o l a t i o n
tr a n s fo r m e r to th e ac -p o w er s o u rce > th en connect
th e a u to tr a n s fo r m e r to th e i s o l a t i o n tr a n s fo r m e r .
F i n a l l y ) p lu g th e in s tru m e n t power co rd i n t o th e
a u to tr a n s fo r m e r o u t l e t .