Mobilchips

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EA
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C

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GSM SERVICE SUPPORT2005.8.23

Level 3 Signal Flow

Rev. 1.0

C139 EU

Rev. 0C

TC Chen

Page 1 of 2

Schematics & manuals on www.mobilchips.com

___Mobilchips__

Mobilchips

EARP

EARN

BU
Z

ER

HS
O

VI

B

ERA
T

O

R

HS
M

IC

IP

MI
C

IP

MI
C

IN

RX
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RX
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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

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40

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F9

F10

E10

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C9

D1
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C10

29 31

1 2

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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

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6 5 4

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6 5 4
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