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
