Samsung SGH-F480i Service Manual page 53

C 2 1 9
D C S _ R X 2
R 2 0 4
X T A L _ P D
C 2 2 1
D C S _ R X 1
C 2 2 6
G S M _ R X 2
C 2 2 8
G S M _ R X 1
C 2 7 4
P C S _ R X 2
C 2 7 5
P C S _ R X 1
B B _ C L K
P C
C 2 3 5 R 2 0 8
U M T S _ A F C R 2 0 9
R 2 1 1
1
2
V C O N G N D
V C C O U T
4 3
V C X O P W R _ 2 8 . V
C 2 3 8
R 2 0 5
O S C 2 0 0
C 2 3 7
U M T S _ R F _ C L K
R309
R305
C 2 0 1
C 2 0 4 C 2 0 5 C 2 0 6
V R F _ 4 2 2 8
C 2 6 9
V B A T _ 3 8 . V
C 2 7 7
B T _ C L K
N 8
2 _ A U X C L K
M 6
2 _ A U X C L K E N
K 3
R 2 1 0 S Y N C L K 2 _ C T R L C L K
L 3
S Y N D A T 2 _ C T R L D A T A
J 3
D S Y N E N 2 _ C T R L E N
A 4
2 _ R F A I P
A 3
2 _ R F A I N
A 8
2 _ R F D I P
A 7
2 _ R F D I N
A 6
2 _ R F E I P
A 5
2 _ R F E I N
A 1 0
2 _ R F P I P
A 9
2 _ R F P I N
A 1 3
G S M _ T X _ H B 2 _ R F O H
C 1 3
G S M _ T X _ L B 2 _ R F O L
T P 2 1 2 M 4
G _ D G I R F _ D A T A 2 _ R X T X D A T A
T P 2 1 3
M 2
G _ D G I R F _ T X E N 2 _ R X T X E N
R 2 0 6
L 1 1
2 _ S W 0
M 1 2
C 2 2 2
2 _ S W 1
M 1 1
2 _ S W 2
M 1 0
2 _ S W 3
R 2 0 7
N 3
2 _ S Y S C L K
M 5
2 _ S Y S C L K E N
J 1
2 _ X T A L 1
H 1
2 _ X T A L 2
C 2 3 1
M 1
2 _ V O I
N 1 0
V R F _ 4 2 2 8 2 _ V R F
D 3
2 _ X M O D E
T P 2 1 1
M 3
R F S T 2 _ S T R O B E
H 1 1
2 _ P A B A N D
J 1 1
2 _ P A E N
K 1 1
2 _ P A M O D E
F 1 1
2 _ R A M P O U T
C270
C201
C269
C257
V300
TA200 C227
C272
PAM201
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2 8 . V _ V D D A U X 1
C 2 0 2 C 2 0 3
V R F _ U _ 2 8 . V
V R F _ 4 2 2 8
C 2 0 8
C 2 0 9 C 2 1 0 C 2 1 1
C 2 1 3
U 2 0 0
T R A N C E V I E R
C209
C212
C231
R205
C234
C237
C210
C111
L207 L203 L205
C258
L211 FEM100
C259
L112
C154
C109
9-23
Flow Chart of Troubleshooting
L 1
3 _ D C D C O U T D C D C O U T
M 9
3 _ D C D C S E N S E D C D C S E N S E
N 1
3 _ D C D C V B A T T D C D C V B A T T
H 3
3 _ L D O N I M A N I
M 8
3 _ L D O N I P A D C D C S E N S E
F 3
3 _ L D O N I S Y N
G 1 3
3 _ R X N I B A N D 1 U M T S B A N D 1 R X
F 1 3
3 _ R X N I B A N D 2
E 1 3
3 _ R X N I B A N D 5
B 1
3 _ R X N I U _ R X _ N I
A 1
3 _ R X P I U _ R X _ P I
C 1
3 _ R X Q N U _ R X _ Q N
D 1
3 _ R X Q P U _ R X _ Q P
N 6
3 _ T X N I U _ T X _ N I
N 7
3 _ T X P I U _ T X _ P I
N 5
3 _ T X Q N U _ T X _ Q N
N 4
3 _ T X Q P U _ T X _ Q P
L 2 0 4
N 1 2 C 2 2 3
3 _ T X O U T B A N D 1 N
N 1 3
C 2 2 4
3 _ T X O U T B A N D 1 P W C D M A _ T X 1
M 1 3
3 _ T X O U T B A N D 2 N
C 2 7 0 C 2 7 1
L 1 3
3 _ T X O U T B A N D 2 P
K 1 3
3 _ T X O U T B A N D 5 N
J 1 3
3 _ T X O U T B A N D 5 P
B 1 2 T P 2 0 8
3 _ S P C I L K 3 W _ C L K
C 1 1 T P 2 0 9
3 _ S P D I A T A 3 W _ D A T A
D 1 1 T P 2 1 0
3 _ S P E I N 3 W _ E N
B 1 1
3 _ S Y S C L K E N
A 1 1
3 _ S Y S C L K O U T
F 1
3 _ T C X O N I U M T S _ R F _ C L K
T P 2 1 7
E 1 1
3 _ R E S E T N 3 G _ R E S E T
TP211
TP213
C235
C238
C114
C156
C112
C104