HP 5363B Operating And Service Manual page 99

Time interval probes
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M od e l 5363 8
S e r v i c e
The T I M E Z E RO/LEVEL switch m u st b e p u s hed a n d held down in t h e LEVEL p os i ti o n
d u r i n g either a m a n u a l l y o r a utomatical l y ( H P-I B ) r u n c a l i b rat i o n test, a n d t h e p robes
m us t be g ro u n d . See n ote below.
FAULT
START A
LIST
NO ,
STOP A
( GARA)
X
2
3
X
4
5
X
6
7
X
8
9
X
1 0
1 1
X
1 2
1 3
X
1 4
A n i nt e r m i tten cal i b ration switch o r i mp ro p e r l y r u n test proced u re c o u l d cause a n y of
the a bove errors.
G ro u n d the p robes by i nsert i n g them i nto the CAL I B R AT I O N sockets o n the front
pan e l . Keep them t h e re d u r i n g the enti re test.
' I n d i c ates a f a u l t ve ry l i k e l y d u e to t h e c a l i b ra t i o n S W i t c h n o t b e i n g h e l d d o w n l o n g e n o u g h i n t h e
C h ec k by g r o u n d i n g t h e p r o b e s a n d reru n n i n g t h e test
8-22
Table 8- 1 . Troubleshooting Chart - Multiple Calibration Tes t
TEST(S) FAI L E D
START A
START B
STOP A
STOP B
(GAR B)
( G BRA)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
N OTE
START B
STOP B
( GB R B )
* ; L o g i c f a i l u re , check s i g natu res.
* ; Log i c fai l u re , c h e c k s i g n at u res .
A6 U 1 , A 1 U24, A6Q2 , broken black o r
w h i te w i res g o i n g t o
* ; Log i c fai l u re , check s i g n at u res.
A6U2 ; A 1 U 1 3, A6Q 1 ; b roken o ra n g e o r
yel lo w w i res g o i ng t o A p robe.
* ; Start a n d Stop w ires s h o rted
s o m ewhere; Log i c f a i l u re.
O p e n o r i n te r m i tten c o nnecti o n to A p ro b e
ti p o r ch i p res i st o rs; p ro b e not
g ro u n d e d ; b roken power w i res t o p robe.
X
* ; L o g i c fa i l u re , c h e c k s i g n at u res.
X
*; Log i c f a i l u re, c h e c k s i g n a t u res.
X
A 7 U 2 ; A 1 U 1 7 ; A 7 Q 1 ; b roken o range o r
yel lo w w i re s g O i n g to B p robe .
Com b i nation of both test 3 a n d test 1 0 .
X
X
A 7U 1 ; A 1 U 2 7 ; A 1 Q2; b roken b l a c k o r
w h ite wi res g o i n g to B probe.
X
C o m b i n a t i o n of both test S a n d test 1 2 .
X
O pen or i n te r m i tten c o n necti o n to t h e B
p robe t i p o r c h i p res isto rs ; p ro b e n o t
g ro u n de d .
* ; Cal i b ra t i o n D A C s ( A 1 U 1 , U 3 , U4, U S , U 6 ) ;
A 1 Q 1 open; A 1 U 2 , U 9 ; A 1 U 2 , U9; A 1 U 1 8;
A3 C a l ib ration Ass e m b l y ; A 1 U 1 4A o r B ;
A2 o u t p u t .
NOTE
PROBABLE FAI L U R ES
A
probe.
LEVEL
p o s i t i o n . o r b e i n g i n te r m i t t e n .

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