
3 - 4
T R O U B L E S H O O T I N G T A B L E
N O T E
T h e T r o u b l e s h o o t i n g T a b l e l i s t s c o m m o n m a l f u n c t i o n s f o u n d d u r i n g n o r m a l
o p e r a t i o n o f t h e 3 5 5 0 / 3 5 5 0 R . T h e t e s t s o r i n s p e c t i o n s a n d c o r r e c t i v e a c t i o n s
s h o u l d b e p e r f o r m e d i n t h e o r d e r l i s t e d . F a i l u r e t o d o s o m a y r e s u l t i n
t r o u b l e s h o o t i n g r e c o m m e n d a t i o n s t h a t r e p l a c e w o r k i n g i t e m s .
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
1
E x t e r n a l D C P o w e r S u p p l y f a i l u r 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 .
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 .
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 ) .
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 .
2
S Y S 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 .
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 .
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 ) .
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 .
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 .
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 ) .
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 .
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 ) .
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 ) .
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 ) .
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 ) .
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 .
Содержание 3550
Страница 1: ...3550 3550R Communications Test Set Operation Manual ...
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Страница 26: ...1 3 B Features Functions and Tiles LMR Optional Functions are shown for display purposes only ...
Страница 27: ...1 4 B Features cont Functions and Tiles Extended LMR Optional Functions are shown for display purposes only ...
Страница 28: ...1 5 B Features cont Functions and Tiles PTC Optional Functions are shown for display purposes only ...
Страница 29: ...1 6 B Features cont Functions and Tiles Extended PTC Optional Functions are shown for display purposes only ...
Страница 104: ...3 13 3 3 3 FUSE REPLACEMENT cont REMOVE cont 3 Locate and remove the Fuse INSTALL 1 Install the Fuse ...
Страница 114: ...A 5 A 5 USB CONNECTOR PIN OUT TABLE 1 4 PIN NO SIGNAL NAME 1 VCC 2 D 3 D 4 GND Table A 5 USB Connector Pin Out Table ...
Страница 115: ...A 6 THIS PAGE INTENTIONALLY LEFT BLANK ...