Samsung SGH-V200 Service Manual page 33

SGH- V200 F low Chart of Troubleshooting
8. EGSM Reciever
C O N T I N U O U SR X O N
R FI N P U T:6 2 C H
A M P:-5 0 d B m
N O R M A LC O N D I T I O N
ca tc ht h ech a n n e l?
YES
U 1 0 0 5C H E C K
p in 1 3¡Ã -6 5 d B m?
YES
U 1 0 0 5C H E C K
p in 1 ,2¡Ã - 6 5 d B m ?
YES
U 9 0 1C H E C K
p in 2 1 ,2 2¡Ã - 6 5 d B m ?
YES
U 9 0 1
p in1 2 ,1 3 ¡Ã
-2 0 d B m ?
YES
U 9 0 1C H E C K
p in1 4 ,2 3 ,2 6 ,3 2 :
c lea n2 .8 V ?
YES
U 9 0 1p in 3 ,4
V p -p:2 4 0 m V ?
YES
U 9 0 1p in 1 ,2
V p -p:2 5 0 m V ?
YES
U 9 0 0p in2 ,3 ,4 ,5
V p -p:1 0 0 m V?
YES
NO
C h e ckso ld er edst a t u so f
C 1 0 0 1 ,C 1 0 0 0
NO
C N 1 0 0 1
r es o ld ero rch a n g e
NO
U 1 0 0 5
r eso ld ero rc h a n g e
NO
C 1 0 0 3 ,C 1 0 0 4 ,L 1 0 0 1
r eso ld ero rc h a n g e
NO
U 9 0 2C H E C K
p in2 5 ,2 8:3 V ?
YES
U 9 0 2C H E C K
p in7:1 3 M H z?
V p -p:8 6 0 m V ?
YES
U 9 0 2c h a n g eo r
r eso l d er
NO
U 1 0 0 p in 4 6 ,C 1 1 4
ch ec ko rr eso ld er
NO
U 9 0 0C H E C K
p in 6 ,2 0:2 .8 V ?
YES
U 9 0 0
r es o ld ero rch a n g e
NO U 9 0 1
r es o ld ero rch a n g e
NO
C H E C K
U 7 0 0
SAMSUNG Proprietary-Contents may change without notice
NO
U 1 0 0 p in 3 9,C 1 1 6
ch ec ko rr eso ld er
NO
O S C 8 0 1C H E C K
p in3:1 3 M H z?
V p -p:9 5 0 m V ?
YES
C 8 0 8 ,R 8 0 5
r eso l d er
NO
U 1 0 0 p in 3 9,C 1 1 6
ch ec ko rr eso ld er
7- 10
NO
NO
O S C 8 0 1C H E C K
p in4:clea n3 V ?
YES
O S C 8 0 1c h a n g eo r
r es o ld er