Samsung Anycall SGH-N700 Service Manual page 32

F low Chart of Troubleshooting
7. 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
c a tc hth ec h a n n e l?
YES
U 4 0 2C H E C K
p in # 8¡Ã -6 5 d B m?
YES
U 4 0 2C H E C K
p in # 2 ,3¡Ã - 6 5 d B m ?
YES
U 4 0 4C H E C K
p in # 2 0 ,2 1¡Ã - 6 5 d B m ?
YES
U 4 0 4C H E C K
p in 8:1 3 M H z?
V p -p:8 6 0 m V ?
YES
U 4 0 4C H E C K
p in # 9:c le a n3 V ?
YES
U 4 0 4p in # 1 ,2 ,3 ,2 8
V p -p:1 0 0 m V ?
YES
C H E C K
U 1 0 1
NO
C h e c kso ld er e dsta tu so f
R 4 2 6 ,L 4 0 2 ,C 4 5 0
NO
U 4 0 1
r e so ld e ro rc h a n g e
NO
U 4 0 2
r e so ld e ro rc h a n g e
NO
C 4 0 8 ,L 4 0 1 ,C 4 0 9
r e so ld e ro rc h a n g e
NO
O S C 4 0 1C H E C K
1 3 M H z?
V p -p:9 5 0 m V ?
NO
U 1 0 1p in # 3 9
c h e c ko rr e so ld e r
NO
U 4 0 4
r e so ld e ro rc h a n g e
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NO
O S C 4 0 1C H E C K
c le a n3 V ?
YES
O S C 4 0 1
R e so ld e ro r
C h a n g e?
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