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➃'
N403
➂'
➁
FL101
LMSP43MA-288
1
GSM900_RX
2
GSM1800_RX
10
3
VDD
GSM1900_RX
9
4
VC1
WCDMA
8
VC2
5
VCG
12
GSM18001900_TX
13
GSM900_TX
➃
➂
Figure 4-21-3. Test Point of GSM/DCS/PCS Tx Path
➀
C103
RF
33p
4. TROUBLE SHOOTING
N404
➄
➄'
N405
W101
KMS-507
L101
G2
ANT
G1
1.8nH
L102
C101
8.2nH
1.2p
- 169 -
➀
N401
R101
0
ANTPAD101
GSM_RX
DCS_RX
PCS_RX
DCS_TX
GSM_TX
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