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7. Circuit Diagram
1
2
VDETECT
A
C711
33p
C713
0.01u
28
C714
1000p
29
C716
4700p
23
C717
1000p
22
15
13
17
B
C722
33p
C724
C725
33p
33p
C733
C734
33p
33p
C
D
VBAT
R714
VRIO
0
E
R715
SYSCLKEN
100K
1
2
LGIC(42)-A-5505-10:01
3
4
VBAT
VCC_2.8V
C702
C703
C704
33p
33p
33p
10u
C701
100nH
C707
C708
C709
C710
15p
39p
15p
1u
6
ANT
1
RX_PCS_OUT
2
CAP_LB1
RX_DCS_OUT
3
CAP_LB2
RX_EGSM_OUT
4
CAP_HB1
RX_GSM850_OUT
CAP_HB2
U701
26
MMM6027
TX_LB_IN
25
TX_HB_IN
TX_EN
8
TX_ANT_SW_EN
9
32
C721
LB_HB
NC3
C720
33
33p
US_EURO
NC2
15p
34
IPC_BCM
NC1
R703
R706
R704
NA
R705
NA
0
0
R707
R708
NA
NA
VCC_2.8V
C735
15p
SYSCLK
BT_CLK
F3
SYSCLK
J1
BT_CLK
H3
AUX_CLK
C738
L2
4700p
TX_CP_X
L3
TX_CP
A1
TX_EN
A2
TX_ANT_EN
D3
RX_ANT_EN
B2
IPC_BCM
G2
DBG_FRAME
G3
DBG_DATA
K1
DBG_CLK
A5
ATST1_N
B5
ATST1_P
G10
ATST2_N
H10
ATST2_P
B9
RESET_B
RESET_B
C2
US_EURO
C3
LB_HB
L8
LB_OUT
L10
HB_OUT
B3
PA_OUT
VCC_1.8V
TPS79918DRVR
U703
6
1
IN
OUT
5
2
C744
NC
NR
4
3
EN
GND
2.2u
7
PGND
C745
C746
0.1u
0.01u
VBAT
VCC_2.8V
TPS79928DRVR
U704
6
1
IN
OUT
5
2
NC
NR
C747
4
3
EN
GND
2.2u
7
PGND
C748
C749
0.1u
0.01u
3
4
5
6
7
KMS-507
R702
0
SW701
ANT701
C750
G2
RF
ANT
G1
3.9p
C706
1.2p
L701
L710
3.9nH
FL701
C712
33p
GSM850_RX_IN
PCS_RX2_OUT
6
EGSM_RX_IN
PCS_RX1_OUT
C715
33p
4
DCS_RX_IN
DCS_RX2_OUT
3
PCS_RX_IN
DCS_RX1_OUT
1
EGSM_RX2_OUT
GND4
EGSM_RX1_OUT
C718
15p
16
GND3
GSM850_RX2_OUT
7
GND2
GSM850_RX1_OUT
5
GND1
C719
15p
2
SAQHJ881MAB0F00
VCC_2.8V
C723
VCC_1.8V
VCC_2.8V
VCC_2.8V
33p
C726
C727
C728
1.8p
C730
C731
C732
1u
33p
33p
33p
2.2u
G1
SYSCLKEN
J3
BT_CLK_EN
A4
PAC_DET
D1
RXTXEN_TDO
E3
RXTXDATA_TDI
E4
H4
GND25
GND49
E5
H5
A6
GND26
GND50
REF_HI
E6
H6
B6
GND27
GND51
REF_LO
E7
H7
GND28
GND52
E8
H8
F1
GND29
U702
GND53
CTRLCLK_TCK
E9
H9
D2
MMM6000
GND30
GND54
CTRLDATA
E10
H11
E1
GND31
GND55
CTRLEN
E11
J6
GND32
GND56
F4
J10
E2
GND33
GND57
STROBE_TMS
F5
J11
GND34
GND58
F6
J12
A12
GND35
GND59
SAW_CELLX
F7
K2
B12
GND36
GND60
SAW_CELL
D12
SAW_EGSMX
E12
SAW_EGSM
G12
SAW_DCSX
H12
SAW_DCS
K12
SAW_PCSX
L12
SAW_PCS
K4
EXTAL
K5
XTAL
Section
Designer
Checked
Approved
Iss.
Notice No.
Date
Name
5
- 105 -
8
9
15
14
13
12
11
10
9
8
C736
2.2u
SYSCLKEN
C737
BT_CLK_REQ
33p
VDETECT
DIGITALRF_ENABLE
DIGITALRF_DATA
C739
C740
DIGITALRF_RF_CLK
1u
1u
DIGITALRF_RF_DATA
DIGITALRF_RF_CS
STROBE
VREXTH
VCC_2.8V
C741
330p
R710
36K
VCC_1.8V
TEMP_SENSE
X701
R711
1
3
VCONT
OUT
R718
100K
C743
C742
R713
2
4
33u
1u
47K
100K
GND
VCC
26MHz
Date
Sign & Name
MODEL
LG240
06/30
JS YOO
2006
DRAWING
RF_Freescale
NAME
DRAWING
LG Electronics Inc.
Rev 1.1
NO.
10
A
B
C
D
R712
22K
Sheet/
Sheets
7/7
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