7. CIRCUIT DIAGRAM
- 214 -
LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
n7.2
1
5
1C
251C
p33
C237
DNI
DNI
C195
DNI
L54
0.5p
L17
0.5p
L8
15p
C269
18n
L30
8.2n
C263
6.8K
R131
DNI
C135
18n
C380
R37
DNI
L9
DNI
10n
L25
12p
L23
18n
L15
6.8n
L43
12p
C154
NA
L51 L50
NA
1n
C131
922CFU1
.
0
18
R9
U14SKY77195
16
87
96
10 5
11 4
12 3
13 2
14 1
15
PGND1
IN_BAND_VIIIOUT_BAND_VIII
VMODE_0GND3
VMODE_1VCC2_2
VCC2_1GND2
VEN_BAND_VIIIOUT_BAND_I
VEN_BAND_IGND1
IN_BAND_ICPL_OUT
PGND2
C174
100p
DNI
C232
330p
C246 C331
10u
100p
C142
3n
L52
100p
C177
ANT4
ANTENNA_PAD
=
16 15 14 13 12 11 10 9
8
7654321
L
K
J
I
H
G
F
E
D
C
B
A
L
K
J
I
H
G
F
E
D
C
B
A
16 15 14 13 12 11 10 9
8
7654321
C231
100pF
DNI
L29
VDD_RX
0.1UF
C103
33ohms
R51
R22
100Kohms
C244
100pF
100pFC243
12n
L10
180ohms
R54
C266
DNI
8.2p
L21
L7
NA
4.7p
C330
2.2p
C271
U23SKY77187
11
65
74
83
92
10 1
VCC1VCC2
RF_INRF_OUT
VMODE_1GND2
VMODE_0GND1
VENCPL
DNGP
VREG_TCXO_2.85V
FL2
B9411
52
4
31
IN
OUT
_OUT
G1 G3
1.5p
C274
10uF
C278
8.2n
L44
682CFU1.0
L12
0.082uH
DNI
C265
Fp22203C
C318
1n
VDD_RX
1n
C316
10n
L13
39p
C326
5.1ohmsR56R13 2.2K
C301 22pF
FU1.0782C
482CFU1.0
C264
DNI
DNI
C124
0.1UF
C285
511CFu7.4
2.7n
L35
DNIC146
1.5p
C276
100ohms
R63
3.3n
C268
4.7p
C329
403CFp22
303C
Fp22
Fp22
003C
Fp22
992C
292CFU1.0
C325
0.001uF
C41
0.01uF
5.6n
C350
100pFC245
Fp22892C
R55 5.1ohms
NA
L4
FU1.0
982C
VBATT
0.082uH
L2
ALM-2412 U16
3
2
5
4
1
NI_FR
FIL_OUT
VDD
S_D
GND
VREG_MSMP_2.7V
C222 22pF
100pFC242
DNI
R40
smho094R
VREG_USB_1.8V
032C
p001
smhoK1
17R
R53
180ohms
5.6n
C155
DNI
L47
FU1.0882C
DNI
C267
282CFU1.0
C333 0.01uF
C283
0.1UF
082CFU1.0
R72 10ohms
NA
L3
Fu7.4411C
C157 33pF
12p
L20
R65 100ohms
R94 2.2ohms
DNIC70
DNI_CAP_0603
C78
57CFp22
8.2p
L22
DNI
L28
VREG_RF_2.7V
0.1UF
C102
C149
33pF
1
C127
18C
3
0
6
0
_PAC
_
IN
D
5.6n
C351
FL20 SAWEN1G84CN0F00
103
52
81
9
6
74
IN_1842_5
OUT_1842_5_1
OUT_1842_5_2
OUT_1960_1
IN_1960 OUT_1960_2
GND1 GND3
GND2 GND4
TC7SH04FS
U5
2
41
5
VCC
GND
B7742FL12
5
2
64
31
IN
OUT
G
OUT_NON
1G
2
G
C148 33pF
RTR6285U13
32
92
82
53
43
96
62
61
60
54
4336
3738
2768
2552
2142
8
745
144
5347
2246
10
649
448
3
51
6750
1939
40
18
1741
16
1533
32
1331
1430
12
1159
58
956
24
557
55
65
6620
632
6426
RF_ON
TX_IP
TCXO
TX_IN
SBDT TX_QP
TX_QN
LB_RF_OUT1
LB_RF_OUT2 VTUNE1
VTUNE2
HB_RF_OUT1
VTUNE_GPS
HB_RF_OUT2
HB_RF_OUT3 PRX_QP
PRX_QN
WPRXLBP PRX_IP
WPRXLBN
PRX_IN
WPRXHBP
WPRXHBN
DRX_QP
DRX_QN
WDRXLB
DRX_IP
DRX_IN
WDRXHB1
WDRXHB2
NC
GCELL_INP
DAC_IREF
GCELL_INN
VDDA1_1
EGSM_INP
VDDA1_2
EGSM_INN
VDDA1_3
VDDA1_4
DCS_INP
VDDA1_5
DCS_INN VDDA1_6
GPCS_INP
VDDA2_1
GPCS_INN
VDDA2_2
VDDA2_3
GPS_IN VDDA2_4
PDET_IN
VDDA2_5
TX_RBIAS
VDDA2_6
WPRXSE1 VDDA2_7
WPRXSE2 VDDA2_8
VDDA2_9
VDDA2_10
VDDA2_11
VDDA2_12
DNGP
TUO_2ESXRPW
TUO_1ESXRPW
PNI_XM_BW
MNI_XM_BW
MDDV
10n
C251
VREG_RF_2.7V
DNI
C136
19.2MHz
DSA321SCA X1
21
34
VDDOUT
VCONTGND
33pC197
NA
L53
DNI
C198
33
R7
B9433
FL11
532
41
IN
OUT
G1 G2 G3
6.8n
C273
3.3n
C248
C252
DNI
FU1.0192C
FU1.0392C
33pFC133
3.9n
L24
CN6
p01
6
02
C
1nC317
C352 33pF
FL4
B9442
532
41
IN
OUT
G1G2G3
B9414
FL5
532
41
INOUT
G1G2G3
C234 100pF
B9640
FL6
532
41
IN
OUT
G1G2G3
FU1.0182C
0.001uFC319
0.01uFC334
DNI
C156
C307
0.001uF
C315 1n
0.0027uHL32
C323 0.001uF
ANT5
ANTENNA_PAD
SAYFP897MCA0B00FL7
75
94
2
3
8
16
ANT
RX1
RX2
TX
GND1
GND2 GND5
GND3 GND4
L56
NA
FL8 SAYFP1G95AA0B00
75
84
92
3
16
ANT RX
TX
GND1 GND6
GND2 GND5
GND3 GND4
C379
DNI
FU1.0092C
p001
532C
22p
L48
1
C147
DNI
C247
0.1u
C50
R134 12Kohms
22pF
C295
DNI
C262
68pF
C356
C357
68pF
KMS-518 SW2
G1
A
C
G2
492C
FU1.0
6.8n
C275
U20
SKY77521
13
23
3
3
43
30 5
29 4
28
27 20
26 19
25 18
24
23 16
22 15
21 14
12 13
11
210
39
1
8
6
717
ANT
BS1
BS2
_TXEN
HB_RF_IN
MODELB_RF_IN
RSVDGND1
GND2
RX4GND3
RX3GND4
RX2GND5
RX1GND6
GND7
WCDMA1GND8
WCDMA2GND9
WCDMA3GND10
GND11
VAPCGND12
VBATTGND13
4DN
GP
3
D
N
GP
2
D
N
GP
1DNGP
0.018uH
L34
SAWEN881MCN0F00FL9
103
52
81
9
6
74
IN_881_5
OUT_881_5_1
OUT_881_5_2
OUT_942_5_1
IN_942_5 OUT_942_5_2
GND1 GND3
GND2 GND4
R135
30ohms
68n
R69
33pFC145
6.8p
C125
0.5p
L55
VBATT
1
8R
3.3n
L49
VREG_SMPS_2.1V
FB15
R138
62ohms
L33 0.0027uH
0.001uFC324
47pF
C335
10p
C332
R64
100ohms
CN7
DNI
L19
DNI
C277
Fu100.0
023C
C159
10uF
FU1.0972C
2.7n
L26
DNI
C253
0.5pF
C383
1p
C261
0.002uH
L46
1.2n
C270
FB14
NA
L5
IND
13L
DNI
C233
DNI
C384
VBATT
DNI
C1
DNIR6
NA
L11
ACMD-7407FL21
75
84
92
3
16
ANT
RX
TX
GND1 GND6
GND2 GND5
GND3 GND4
DNI
C129
DNI
C254
DNI
L45
DNI
C386
DNI
L57
22p
C385
2.2p
C272
USBH_REF_CLK
ANT_SEL2
ANT_SEL3
ANT_SEL1
ANT_SEL0
TCXO_PM_19.2MHz
GPS_LNA_EN
RTR_DRXQP
RTR_DRXQM
RTR_DRXIM
RTR_DRXIP
RTR_RXQP
RTR_RXQM
RTR_RXIM
RTR_RXIP RTR_TXQM
RTR_TXQP
RTR_TXIM
RTR_TXIP
SSBDT_RTR
RTR_TX_ON
PMAR_AP_MSG
RTR_TRK_LO_ADJ
W_1900_PA_ON
RTR_DAC_REF
W_2100_PA_ON
W_900_PA_ON
WCDMA_PA_R0
WCDMA_PA_R0
WCDMA_900_RTX
WCDMA_900_RTX
GPS_IN
GPS_IN
RX_WCDMA_1900_SE
RX_WCDMA_1900_SE
WCDMA_MIX_IN_P
WCDMA_MIX_IN_P
RX_WCDMA_2100_LNA_OUT
RX_WCDMA_2100_LNA_OUT
WCDMA_MIX_IN_M
WCDMA_MIX_IN_M
GSM_TX
GSM_TX
PDET_IN
PDET_IN
TCXO_RTR_19.2MHZ
TCXO_RTR_19.2MHZ
RX_WCDMA_900_M
RX_WCDMA_900_M
RX_WCDMA_900_P
RX_WCDMA_900_P
RX_WCDMA_2100
RX_WCDMA_2100
WCDMA_900_TX_OUT
WCDMA_900_TX_OUT
WCDMA_2100_TX_OUT
WCDMA_2100_TX_OUT
RX_GSM_850_M
RX_GSM_850_M
RX_GSM_850_P
RX_GSM_850_P
RX_GSM_900_M
RX_GSM_900_M
RX_GSM_900_P
RX_GSM_900_P
RX_DCS_M
RX_DCS_M
RX_DCS_P
RX_DCS_P
RX_PCS_M
RX_PCS_M
RX_PCS_P
RX_PCS_P
WCDMA_2100_RTX
WCDMA_2100_RTX
DCS_PCS_TX
DCS_PCS_TX
WCDMA_1900_TX_OUT
WCDMA_1900_TX_OUT
WCDMA_1900_RTX
WCDMA_1900_RTX
RX_WCDMA_1900_BA
RX_WCDMA_1900_BA
RX_WCDMA_1900_P
RX_WCDMA_1900_P
RX_WCDMA_1900_M
RX_WCDMA_1900_M
RX_WCDMA_1900_LNA_OUT
RX_WCDMA_1900_LNA_OUT
W2100_DRXHB2
W2100_DRXHB2
LOW
LOW
0603
0603
0603
LOW
LOW
0603
HIGH
X
W1900
X
PCN/PCS TX
+2.7V
(1608)
GSM850/EGSM TX
DCN RX
WB 850/900
1%
(1608)
Near TCXO
WCDMA RX 2100 LNA Circuit
+2.1V
X
X
Route together
HIGH
HIGH
LOW
HIGH
HIGH
0603
0603
W900
W2100
HIGH
5dB
LOW
HIGH
Band I
LOW
PCS RX
1004430YSUE
Band VIII
LOW
HIGH
GSM(869-894 MHz)
HIGH
HIGH
GSM(925-960 MHz)
PCS(1930-1990 MHz)
DCS(1805-1880 MHz)
HIGH
9dB
TCXO
2mm
HIGH
HIGH
LOW
LOW
LOW
LOW
HIGH
HIGH
LOW
ANTENNA SWITCH MODULE LOGIC
LOW
W2100 RX(2110 - 2170 MHz)
LOW
ANT_SEL3
VDDA2 : Pin 1,7,8,21,25,27,37,43,54,60,61,62 = +2.1V VDC
LNA for the GPS
WB 1900
0603
0603
LOW
(1608)
WB 2100
WCDMA RX 1900 BALUN Matching Network
ANT_SEL2ANT_SEL1ANT_SEL0
GSM850 RX
LOW
GSM
WCDMA
0603
VDDA1 : Pin 3,4,6,10,22,53 = +2.7V VDC
0603
0603
0603
0603
EGSM RX
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