Circuit Diagram - LG E900 Service Manual

7. CIRCUIT DIAGRAM

12 11
State Logic
Conduction
L 1 (2.6V)
Radiation 0 (0 V)
SW101
G1 C201
G2 ANT
100p
ENWY0003901
HIROSE
C225 C175
DNI DNI
REV.B
K
R129
CONN_DET
VREG_MSMP_2.6V
750K R105
GSM_PA_RAMP
C109 2.2K
100p
C102
100p
DCS_PCS_TX
DCS(1710-1785 MHz)
PCS(1850-1910 MHz)
J
GSM_TX
GSM850(824-849MHz)
GSM900(880-915MHz)
2mm
+VPWR
I
ANT_SEL0
ANT_SEL1
ANT_SEL2
ANT_SEL3
ANTENNA SWITCH MODULE LOGIC(SKY77544)
BS1 BS2 mode _TxEN
H
ANT_SEL0 ANT_SEL1 ANT_SEL2 ANT_SEL3
GSM850/EGSM TX LOW HIGH LOW LOW
PCN/PCS TX HIGH HIGH LOW LOW
WB 2100 HIGH LOW LOW LOW WCDMA1
WB 1700/1900
LOW LOW HIGH LOW WCDMA2
WB 850/900 HIGH LOW HIGH LOW WCDMA3
GSM850 RX HIGH LOW LOW(X) HIGH
RX4
HIGH HIGH LOW(X) HIGH
EGSM RX
RX3
LOW HIGH LOW(X) HIGH
DCN RX RX2
G
LOW LOW LOW(X) HIGH
PCS RX RX1
GSM Quard
WCDMA Triple
F
WCDMA RX 2100 LNA Circuit
E
VDD_RX
L123
2.2n
0603
C156 1.5p
RX_WCDMA_2100_LNA_OUT
C163
1.5n
D
LNA for the GPS
C
L125 5.6n
C169
33p
C158
DNI
B
GND
R107 3
GPS_LNA_EN S_D
1K 2
0603
REV.C
A
12 11
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
10 9 8
ENWY0008701 (2.3X2.3X1.4)
SW102
2 C174 33p
ANT COMMON
1
WCDMA_2100_RTX
G3 G4
WCDMA_1700_1900_RTX
3 4
L135
100n WCDMA_850_900_RTX
C182
39p
C210 1n
1
44
PGND16
43
PGND15
42 L130
PGND14
R117 1 41
DCS_PCS_IN PGND13 DNI
47 2
GND1
3
GSM_IN
7dB
4
VAPC
5 22
VBATT GND5
6 21
BS2 U104 GND4
7 20
BS1 GND3 C212 1.2n
8 19 1
SKY77544
_TXEN GND2
R111 18
SMRH0006201 ANT
17
75 WCDMA3
L131
29 16
PGND1 WCDMA2 DNI
11dB 30 15 942.5MHz
PGND2 WCDMA1
31
PGND3
32
PGND4
33
PGND5
34 40
PGND6 PGND12
39
PGND11
38 C213 1n 1
PGND10
C216 C155
10u 47p
L132
DNI 1842.5MHz
C214 33p
1
L133
C178 1n
DNI 1960MHz
C176 1n
C173 1n
C171 1n
0603
C140 1.5n
WCDMA_850_900_RTX
W2100 RX(2110 - 2170 MHz)
L126 33p
WB2100_MIX_INM
2 3
C157 33p FL104
1 G1 O1
IN 2140MHz C166 C172
G2 O2 WCDMA_2100_RTX
DNI DNI
5 4
L122 33p
WB2100_MIX_INP
CN103
1
HJ-BCT-02Y
REV.E L137
FL116 3 B9444 CN101 CN102
WCDMA_1700_1900_RTX
G3 C250 33p C170 33p
4 1 1 1
OUT IN (C-CLIP, 2.0T)
G2 G1
5 2 MCIZ0008501 HJ-BCT-02Y
L124
1575.42 MHz
C164 C167
DNI
REV.1.0 DNI DNI
REV.1.0
L121 3.3n
R106
VREG_RFRX1_2.7V
12
C162 C161
0.1u
18p
VDD
5
FIL_OUT
4
U105
C159 33p C160 33p
GPS_IN
C168
DNI
10 9 8
7 6 5
RTR_TX_ON
TCXO_RTR_19.2MHZ
RTR6285_SSBI
C208 100p
GSM_TX
C200 100p
WCDMA_850_900_TX_OUT
C199 33p
DCS_PCS_TX
C215 1n
WCDMA_1700_1900_TX_OUT
WCDMA_2100_TX_OUT
C220 33p
C180 2p RX_WCDMA_850_900_P
RX_GSM_850_M RX_WCDMA_850_900_M
RX_WCDMA_1700_1900_P
2 3
FL109 RX_WCDMA_1700_1900_M
G1 O1 L134 GSM(869-894 MHz)
IN C177 22p
G2 O2 18n
5 4
C181 2p C183 22p
0603
881.5MHz
RX_GSM_850_P
RX_GSM_850_P
C203 1.8p
RX_GSM_850_M
RX_GSM_900_M
RX_GSM_900_P
2 3
FL110 L129
G1 O1 GSM(925-960 MHz) RX_GSM_900_M
IN
G2 O2 18n
5 4 RX_DCS_P
C190 1.8p RX_DCS_M
RX_GSM_900_P
RX_PCS_P
RX_PCS_M
C205 2.2p
RX_DCS_M C112 33p
GPS_IN
C221 33p
PDET_IN
2 3
FL111 R116 12K
G1 O1 L128 DCS(1805-1880 MHz) C110
1% 0603
IN 4.7n
G2 O2 5.6n C196 22p
5 4
RX_WCDMA_2100
C209 2.2p
RX_DCS_P
C211 2.7p
RX_PCS_M
2 3
FL112 PCS(1930-1990 MHz)
G1 O1 L127
IN 4.7n
G2 O2
5 4
C206 2.7p
RX_PCS_P
RX_WCDMA_2100_LNA_OUT
WB2100_MIX_INP
WB2100_MIX_INM
TX SAW (FL113) PA (U103)
SKY77703
SAFEA1G73AA0F00
TMUS W1700(Band4)
SFSY0034401 SMPY0023601
MURATA
SKYWORKS
SAFEA1G88KB7F00 SKY77702
EU SFSY0034701 SMPY0022801
W1900(Band2)
MURATA SKYWORKS
FL102 B7953
1
RX1 W850 TX(824 - 849 MHz)
C138 100p 6 8
ANT RX2 W900 TX(880 - 915 MHz)
L120 2.7n
3 C148 33p
TX
L110
2
GND1
27n 4 7
GND2 GND4 C147 C106
5 9 REV.B
GND3 GND6 2.2p 15n
SDMY0002801
C139 1.5p C101 100p
RX_WCDMA_850_900_P
L115
L111
DNI 18n
C143 C134 100p
1.5p
RX_WCDMA_850_900_M
FL103 SAYFP1G95AA0B00
C141 33p C142 6.8p 6 1
ANT RX W2100 TX(1920 -1980 MHz)
3
C105 33p L119 1n
L113 TX
2.2n 2 9
GND1 GND6 C121
C111
4 8
GND2 GND5 DNI
5 7 0.5p
GND3 GND4
REV.B
SDMY0001901
C144 33p C145 33p
RX_WCDMA_2100
L112
1.8n
FL114 ACMD-7407
33p C242 1n 6 1 W1900 Tx (1850-1910MHz)
ANT RX
C129 100p
3 L138 4.7p
TX
C232
DNI 2 9
GND1 GND6
C231 C233
4 8
GND2 GND5 6.8n
5 7 0.5p
GND3 GND4
SDPY0004701
about 9.5 dB
R104
PDET_IN
68
R102 R103
100 100
W1900 Rx (1930-1990MHz)
L136 2.2n
C234
C230
0.5p
7 6 5
- 159 -
4 3 2
26 64
RF_ON TX_IP RTR_TXIP
2 63
TCXO
TX_IN
20 66
SBDT TX_QP C202
65 0603
68p
TX_QN
55 0603
LB_RF_OUT1
57 5 C154 10n RTR_TXIM
LB_RF_OUT2 VTUNE1
24 C153 10n
VTUNE2 RTR_TXQP
56 9 C204 1n
HB_RF_OUT1 VTUNE_GPS
58
HB_RF_OUT2 C197
59 11
HB_RF_OUT3 PRX_QP RTR_RXQP 0603
68p
12
PRX_QN RTR_RXQM
30 14
WPRXLBP PRX_IP RTR_RXIP RTR_TXQM
31 13
WPRXLBN PRX_IN RTR_RXIM
32
WPRXHBP
33 15
WPRXHBN DRX_QP RTR_DRXQP
16
DRX_QN RTR_DRXQM
41 17
WDRXLB DRX_IP RTR_DRXIP
U106 18
DRX_IN RTR_DRXIM
40
RTR6285
WDRXHB1
39 19
WDRXHB2 NC
EUSY0344001
50 67
GCELL_INP DAC_IREF RTR_DAC_REF
51 0603
GCELL_INN R127 60
3
VDDA1_1
48 4
VDDA1_2 1005
EGSM_INP
49 6
EGSM_INN VDDA1_3
10
VDDA1_4 C224
46 22
DCS_INP VDDA1_5 4.7u
47 53
DCS_INN VDDA1_6 1005
VDDA1 : Pin 3,4,6,10,22,53 = +2.7V VDC
44 1
GPCS_INP VDDA2_1
0603
45 7
GPCS_INN VDDA2_2 VDDA2 : Pin 1,7,8,21,25,27,37,43,54,60,61,62 = +2.1V VDC
8
VDDA2_3
R119 60
42 21 R114 5.6
GPS_IN VDDA2_4
52 25
PDET_IN VDDA2_5 R113 5.6 1005 +2.1V
0603
68 27
TX_RBIAS VDDA2_6
38 37
WPRXSE1 VDDA2_7 0603 1608
36 43
WPRXSE2 VDDA2_8
54
VDDA2_9
60
VDDA2_10
61
VDDA2_11
62
VDDA2_12
FB101 60
VREG_MSMP_2.6V
C186 C222 C184
22p 100p 0.1u
Duplexer (FL102)
TX SAW (FL107) PA (U101)
Duplexer (FL114) RX SAW (FL115)
SAFEB836MAL0F00 ACPM-5205 SAYFP836MCA0F00
ACMD-7609 B9411
W850 (Band5) SFSY0029901 SMPY0022001 SDDY0005001
SDMY0003301 SFSY0035001
AVAGO MURATA AVAGO MURATA
EPCOS
ACMD-7407 B9419 ACPM-5208
SAFEB897MAM0F00 B7953
SDPY0004701 SFSY0034901 W900 (Band2) SFSY0037501 SMPY0021901 SDMY0002801
EPCOS
AVAGO MURATA AVAGO EPCOS
+VPWR
C103 W900 C127
1608
100p 4.7u
U101 ACPM-5208 W900
11
PGND
10 1 FL107 SFSY0037501
L107 2.7n L104 3.3n
VCC2 VCC1 C119 33p
9 2 4 1
RFOUT RFIN OUT IN
R101 8 3
ISO VBP
49.9 7 4 G3 G2 G1
GND VMODE WCDMA_PA_R0 C135 C116
6 5 L106 5 3 2
W_850_900_ON REV.B
CPL VEN DNI DNI SAFEB897MAM0F00 DNI
SMPY0021901
C122 C124
REV.B 100p 100p
0603
+VPWR
C132 C107
100p W2100 4.7u
1608
U102 SKY77701 W2100
11
PGND FL105 SFSY0028101
10 1 3
VCC2 VCC1 C118 L105
G3 C115 3n
9 2 4 1
RFOUT RFIN 1.8n OUT IN WCDMA_2100_TX_OUT
8 3 33p G2 G1
CPL_IN VMODE_1
7 4 5 2
WCDMA_PA_R0 C136
GND VMODE_0 C117 SAFEB1G95KA0F00
6 5
CPL_OUT VEN WCDMA_2100_ON REV.B DNI C114
C131 DNI
SMPY0022701 3.9n
DNI
C108 C104
REV.B
100p 100p
0603
+VPWR
C240
C236
1n
4.7u
W1900
U103 SKY77702
11
PGND
REV.B
10 1 FL113 3 SFSY0034701
VCC2 VCC1 G3
9 2 C235 1.5n 4 1 C239 3n
RFOUT RFIN OUT IN WCDMA_1700_1900_TX_OUT
8 3 G2 G1
CPL_IN VMODE_1
7 4 5 2
GND VMODE_0 WCDMA_PA_R0 SAFEA1G88KB7F00
C241
6 5 W_1700_1900_ON
CPL_OUT VEN
10n
SMPY0022801 C238 C237
C125
100p 100p
DNI W1900
L141 3.9n
RX_WCDMA_1700_1900_M
FL115 SFSY0034901
U100 BGA711L7 C245
10p C113 2.7n
1 6 1 3 C248 C247
RFIN RFOUT IN OUT
4 DNI
DNI
10p _OUT
2 5 R125 G1 G3
EN RREF
0603 C249 L139 2 5 L142 3.9n
EUSY0365401 27K B9419
DNI 8.2n
3 4 RX_WCDMA_1700_1900_P
GS VCC
L140
2.7n
7
C244
C246 10n
VREG_TCXO_2.85V
100p
R131 0
ANT_SEL2
R132 DNI
W_LNA_EN
4 3 2
1
L
K
VREG_RFRX1_2.7V 0.3mm
J
+2.7V
VDD_RX
0.5mm
VRF_SMPS_2.1V
I
H
G
F
WCDMA_850_900_TX_OUT
E
D
C
B
A
1
LGE Internal Use Only