EA
R

P

EA
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N

D

C

D

C

D

C

GSM SERVICE SUPPORT2005.8.23

Level 3 Signal Flow

Rev. 1.0

C139 EU

Rev. 0C

TC Chen

Page 1 of 2

EARP

EARN

BU
Z

ER

HS
O

VI

B

ERA
T

O

R

HS
M

IC

IP

MI
C

IP

MI
C

IN

RX
I

RX
Q

GSM SERVICE SUPPORT2005.8.23

Level 3 Signal Flow

Rev. 1.0

C139 EU

Rev. 0C

TC Chen

Page 2 of 2

C

D

C

D

J9

J10

K7

E

E

F

F

H4

G

G

H9

H

K7

H

I

J

I

J

J7

H7

L

K

L

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41

40

39

38

E9

F9

F10

E10

L

K

D9

C9

D1
0

C10

29 31

1 2

4 3

1 2

4 3

5 6

17

12

5 4 3 2 1

7 8 9 10 11

18

19

21

22

1 2

3

4

48

47

E13

LED+

VBACKUP

VRIO_2.8V

CLK32K_OUT

PAENA

APC

EAR_DETECT

MICBIAS

HSMICBIAS

VRMEM_2.8V VRRAM_2.8V CLK13M_OUT

DLPWR

AFC

4 1

3 2

3 2 1

4 5 6

3 2 1

4 5 6

6 5 4

1 2 3

6 5 4
1 2 3

3 4

2 1