LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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4.2.3 Checking GSM RF TX Level
PCS_RX2
19
7
VDD
WCDMA_1900
22
20
WCDMA_2100
21
WCDMA_850
CTRL3
5
CTRL4
6
14
EGSM_RX1
EGSM_RX2
15
GND1
1
GND2
8
GND3
10
GND4
23
24
GND5
11
GSM850_EGSM_TX
GSM850_RX1
12
GSM850_RX2
13
PCN_PCS_TX
9
PCN_RX1
16
17
PCN_RX2
18
PCS_RX1
FL1000
D5015
2
ANT
3
CTRL1
4
CTRL2
2
002
SW1000
KMS-507
ANT
G1
G2
RF
AN1003
56p
C1004
TP2
TP1
TP3
TP4
1000p
C1062
4.7u
C1059
3.9nH
L1011
+VPWR
68p
C1063
1p
L1009
C1065
15p
VBATT
4
VRAMP
5
TQM7M5012
U1001
BAND_SELECT
2
DCS_PCS_IN
1
11
DCS_PCS_OUT
GND1
7
GND2
12
8
GSM_IN
9
GSM_OUT
6
NC1
NC2
10
TX_EN
3
56p
L1010
L1008
6.8nH
15p
C1060
[Fig.] the schematic of FEM Block
[Fig.] Test Point of GSM TX Path Block
TP1
TP2
TP4
TP3
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