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M U L T I P L E Level C A L I B Ra T I O N Te St Proce D U; M U L T I Pl E L E V E L C A L I B Ra T I O N Test E X Am P L; Prog Ram L I St I N G - HP 5363B Operating And Service Manual

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8 -7 9 .
M U LT I P L E L E V E L CAL I B R AT I O N T E ST P R O C E D U R E
8-80.
S i n c e t h e Level Ca l i b rati o n R o u t i n e c h e c k s o n l y o n e o f fo u r pos s i b l e p r o b e c o n f i g u ­
ra t i o n s a t a t i m e . a l l f o u r m u st b e t r i ed to l o c a l i ze d a p r o b l e m T h i s process w i l l . h o w e ve r. sti l l
l eave s o m e e x p e ri m e n ta t i o n u p to the s e rv i c e tec h n i c i a n a s e a c h c h a n n e l u s e s seve ra l
c o m p o n e n ts w h i c h a re n ot c o m m o n to m o re t h a n o n e c h a n n e l ; i .e . t h e p r o b e J F E T s . t h e
t ra n s i st o r a rrays
A1 U 1 3 . 1 7 . 24 . 2 7 . etc . T h e fol l o w i n g i s a n e xa m p l e o f h o w t h e M u l t i p l e
Ca l i b ra t i o n Te st m a y b e u s e d .
8 -8 1 .
M u l t i p l e Level Ca l i b ra t i o n Te st E xa m p l e
8-8 2 .
M u l t i p l e l e v e l c a l i b ra t i o n t e st
c o m b i n a t i o n of p ro b e s A a n d B e g . . STA R T A/ S T O P A: STA R T A/ STO P B; S TA R T B/ STO P A :
a n d STA R T B/STOP B .
8-83.
A 5363 B i s rec e i v e d w i t h t h e c o m p l a i n t t h a t t h e u n i t wi l l n o t ca l i b rate. T h e u n i t i s
powered o n , a n d t h e f ro n t p a n e l c o n t ro l s a re set a s fo l l ow s : T h e se setti n g s a re e xa m pl e s o n l y ;
a n yth i n g m a y b e u sed .
p o l a r i ty:
+
v o l t a g e l e ve l 0 .00
s l o p e : po s i t i ve
8-8 4 .
U po n atte m pt i n g to ca l i b rate i n a l l f o u r c o m b i n a t i o n s seve ra l t i m e s, t h e 5363 B f a i l e d to
c a l i b rate in STA R T A/ S T O P A G A R A a n d S T A R T B/ STO P A G B R A m od e s .
Ta b le 8 - 1 ,
8-85 .
L oo k i n g at
c h a rt. T h e s u s pected a c t i ve c o m po n e n ts a re A6 U 2 . A 1 U 1 3 . o r A6 0 1 . S i n c e A 1 U 1 3 i s i n a
soc k e t o n t h e A 1 m o t h e r b o a rd . i t w o u l d be w i sest to sta rt b y swa p p i n g A 1 U 1 3 w i t h A 1 U 1 7 . 2 4 ,
o r 2 7 , a n d reru n n i n g t h e test p r o c e d u : e . If a n e w f a u l t s h o w s u p t h e c h a n c e s a r e t h a t t h e A 1 U 1 3
w h i c h w a s swa p ped i s b a d . I f t h e s a m e f a u l t n u m b e r a ri se s , t h e n t h e p r o b e i s t h e n e xt s u s pe c t .
Ta ble 8 - 1
8 -8 6 .
s h o w s t h e f a u l t n u m b e rs w h i c h c o r re s po n d t o t h e f a i l e d t e s t , s . T h e n a m es o f
t h ese t e s t s a r e g i ve n i n sta n d a rd n o m e n c l a t u re i . e . , STA R T A / S T O P A w i t h t h e i r respe c t i ve
H P- I B c o d e s b e l o w t h e m , i . e . , G A R A . A q u i c k way of refe re n c i n g t h ese setti n g s w i t h o u t
l oo k i n g at t h e t h u m b w h e e l sett i n g s i s to re m e m b e r t h a t t h e g re e n G L E D i s STA R T . a n d t h e
red
R L E D i s S T O P . T h e L E Os c a n b e m ost eff i c i e n t l y u sed t h i s w a y .
Ta b l e 8 - 1 ,
8-8 7 .
U se
Tro u b l e s h o o t i n g C h a rt t o h e l p l o c a l i ze p r o b a b le fa i l u re s . Kee p i n m i n d
t h a t t h e se a re T H E M O ST P R O B A B L E FA I L U R ES f ro m a s er v i c e h i story sta n d p o i n t . b u t N O T
T H E O N LY P O S S I B L E O N ES . A l s o . t h e te c h n i c i a n s h o u l d w ri te f a i l u re s i n a s t h e y occ u r
8 -8 8 .
P rog ra m Listi n g s
8-8 9 .
T h e f o l l o wi n g p r o g ra m s h a ve b e e n w r i t t e n to e x ped i te e xec u t i o n o f t h e M u l t i p l e
Ca l i b ra t i o n Test t ro u b l e s h o ot i n g p r oced u re . T h e y h a ve been c reated f o r u se o n t h e H P
982 5 A1 B a n d H P 9835 A/9845 B c a l c u l ators T h e f i rst prog ra m req u i res a 9825A c a l c u l a to r w i t h
G e n e ra l I / O R O M . t h e 98034A H P- I B I n t e rfa c e . a n d t h e 5363 B T i m e I n te rva l P r o b e s . T h e
sec o n d p r o g ra m is i n Ba s i c a n d d e sig n e d t o b e u sed w i t h a 9835 A or 9845 AI B c a l c u l a t o r . t h e
a p p ro p r i ate 1 / 0 R O M s . t h e 98034A H P- I B I n t e rf a c e . a n d t h e H P 5363 B .
I S
t h e test i n g o f a l l fo u r poss i b l e STA R T a n d STO P
t h e Tro u b l e s h oot i n g C h a rt , the fa i l u res p o i n t to f a u l t 5 o n t h e
M o d e l 5 3 6 3 B
S e r vic e
8-1 9

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