B5

A

B

A

B

C

C D

D

E

W

2

2

0

GSM SERVICE SUPPORT GROUP

W220

Level 3 Block Diagram

Rev. 1.0

Page 1 of 2

REVISIONS

2005.09.19

U1

U17

A17

M1

M12

G7

A7

G1

D1

F12

C16

C17

F17

G16

1

4

F6

A6

B6

F1

30

31

4

5

6

7

8

15
16

19 20 21 22

M6

M5

8

7

6

5

3

3 4

5

3

5

7

10

7

8

9

A11

A12

A10

C3

C4

A4 A3

A6

B8

C7

4

4

10

11

14

15

2

3

5

7

10

9

J12

6

C
D

EARP
EARN

E

Antenna

To Bottom

C
D

Speaker_P
Speaker_N

F4

G5

D11

E10

APC

CLK13M

CLK32k

CLK26M

ANT_FM

AUXI IN

Earphone L

Earphone R

Charging Path

GSM Tx

DCS Tx

DCS Rx

GSM Rx

Microphone

Rx/Tx IQ

RXD

TXD

RXD2

TXD2

PWON

E

W

2

2

0

Antenna

To TOP