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Viavi 3550 Operation Manual page 96

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M A L F U N C T I O N
T E S T O R I N S P E C T I O N
C O R R E C T I V E A C T I O N
3
B A T T I n d i c a t o r d o e s n o t i l l u m i n a t e
S t e p 1 .
C o n n e c t t h e E x t e r n a l D C P o w e r S u p p l y t o a v e r i f i a b l e A C P o w e r S o u r c e
a n d v e r i f y t h e L E D i s l i t .
S t e p 2 .
U s i n g a D M M o n t h e E x t e r n a l D C P o w e r S u p p l y o u t p u t , v e r i f y 1 1 t o 3 2 V d c
( ± 2 V d c ) .
S t e p 3 .
V e r i f y t h e B a t t e r y i s i n s t a l l e d .
S t e p 4 .
V e r i f y t h e F u s e i s n o t b l o w n .
S t e p 5 .
R e m o v e a n y e x t e r n a l p o w e r s o u r c e s f r o m t h e 3 5 5 0 / 3 5 5 0 R . U s i n g a
D M M , v e r i f y 1 1 . 1 V d c N o m i n a l a t t h e B a t t e r y C o n n e c t o r ( R e d w i r e ) .
S t e p 6 .
C o n n e c t t h e E x t e r n a l D C P o w e r S u p p l y t o t h e 3 5 5 0 / 3 5 5 0 R. U s i n g a
D M M , v e r i f y 1 2 . 6 V d c a t t h e B a t t e r y C o n n e c t o r ( R e d w i r e ) .
4
B l o w s F u s e
S t e p 1 .
C o n n e c t t h e E x t e r n a l D C P o w e r S u p p l y t o a v e r i f i a b l e A C P o w e r S o u r c e
a n d v e r i f y t h e L E D i s l i t .
S t e p 2 .
U s i n g a D M M o n t h e E x t e r n a l D C P o w e r S u p p l y o u t p u t , v e r i f y 1 1 t o 3 2 V d c
( ± 2 V d c ) .
S t e p 3 .
R e p l a c e t h e F u s e ( p a r a 3 - 3 - 3 ) .
TRO U BL E S HO O T ING TAB LE ( co n t )
I f i n c o r r e c t , r e p l a c e t h e E x t e r n a l D C P o w e r S u p p l y .
I f i n c o r r e c t , r e p l a c e t h e E x t e r n a l D C P o w e r S u p p l y .
I f i n c o r r e c t , i n s t a l l t h e B a t t e r y ( p a r a 3 - 3 - 2 ) .
I f i n c o r r e c t , r e p l a c e t h e F u s e ( p a r a 3 - 3 - 3 ) .
I f i n c o r r e c t , r e p l a c e t h e B a t t e r y ( p a r a 3 - 3 - 2 ) .
I f i n c o r r e c t , r e f e r t o T r o u b l e s h o o t i n g i n t h e 3 5 5 0 / 3 5 5 0 R M a i n t e n a n c e
M a n u a l .
C o n t a c t V I A V I C u s t o m e r S e r v i c e .
I f i n c o r r e c t , r e p l a c e t h e E x t e r n a l D C P o w e r S u p p l y .
I f i n c o r r e c t , r e p l a c e t h e E x t e r n a l D C P o w e r S u p p l y .
I f t h e F u s e c o n t i n u e s t o b l o w , r e f e r t o T r o u b l e s h o o t i n g i n t h e 3 5 5 0 /
3 5 5 0 R M a i n t e n a n c e M a n u a l .
C o n t a c t V I A V I C u s t o m e r S e r v i c e .
3 - 5

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