- 165 -
7. Circuit diagram
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
U100
31
30
29
44
43
42
41
40
39
38
7
3
6
3
5
3
16
15
4
1
3
1
2
1
1
1
0
1
34
33
32
17
9
18
8
19
7
20
6
21
5
22
4
3
2
3
4
2
2
5
2
6
2
7
2
8
2
1
DCS_PCS_IN
1
1
D
N
G
0
1
D
N
G
9
D
N
G
8
D
N
G
GND1
7
D
N
G
GSM_IN
6
D
N
G
VAPC
GND5
VBATT
GND4
BS2
GND3
BS1
GND2
_TXEN
ANT
E
D
O
M
WCDMA3
PGND4
PGND5
PGND6
P
M
E
T
4
X
R
3
X
R
2
X
R
1
X
R
WCDMA1
WCDMA2
7
D
N
G
P
8
D
N
G
P
9
D
N
G
P
PGND10
PGND11
PGND12
PGND13
PGND14
PGND15
PGND16
PGND1
PGND2
PGND3
DNI
C237
30
1
R
02
1
L100
18nH
L101
18nH
L102
10n
12n
L103
L104 100p
4.7n
L105
C101
100p
2.2
R101
10
R102
L106
1.2p
FL100
1950MHz, 2140MHz
9
5
8
4
7
2
3
6
1
RX
ANT
TX
GND1
GND4
GND2
GND5
GND3
GND6
3.3n
C102
C103
DNI
DNI
C104
C105
DNI
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
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
7
6
5
4
3
2
1
LGE Internal Use Only
00
1
R
02
1
100n
L107
ANT101
60
1
Cu
1.
0
VBAT
100p
C107
51
R104
VRF_SMPS_2.1V
C108
33p
C109
33p
68n
L108
01
1
Cu
1.
0
u1.
0
11
1
C
21
1
Cu
1.
0
12K
R105
10u
C113
L109
DNI
5.6n
L110
L111
DNI
DNI
L112
K1
60
1
R
33p
C114
56p
51
1
C
61
1
C
56p
C117
100p
81
1
C
1.2n
100p
C119
U101
3
2
9
2
8
2
5
3
4
3
9
6
62
61
60
54
43
36
37
38
27
68
25
52
21
42
8
7
45
1
44
53
47
22
46
10
6
49
4
48
3
51
67
50
19
39
40
18
17
41
16
15
33
32
13
31
14
30
12
11
59
58
9
56
24
5
57
55
65
66
20
63
2
64
26
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
D
N
G
P
T
U
O
_
2
E
S
X
R
P
W
T
U
O
_
1
E
S
X
R
P
W
P
NI
_
X
M
_
B
W
M
NI
_
X
M
_
B
W
M
D
D
V
2.7n
C120
C121
100p
FL101
1960MHz
4
5
1
3
2
G1 O1
IN
G2 O2
FL102
1842.5MHz
4
5
1
3
2
G1 O1
IN
G2 O2
VREG_RFRX1_2.7V
942.5MHz
FL103
4
5
1
3
2
G1 O1
IN
G2 O2
5.6
R107
881.5MHz
FL104
4
5
1
3
2
G1 O1
IN
G2 O2
u1.
0
22
1
C
32
1
C
1.2n
C124
2.7n
1n
C125
62
1
C
8.2n
68n
L113
R108
5.6
68p
C127
100p
C128
C129
100p
C130
33p
VREG_MSMP_2.6V
13
1
Cu
1.
0
C132
68p
C133
22p
43
1
Cu
1.
0
u0
1
53
1
C
63
1
Cn
1
u1.
0
73
1
C
83
1
Cu
1.
0
93
1
C
8.2n
L114
8.2n
u7.
4
C140
C141
u7.
4
u1.
0
24
1
C
34
1
Cu
1.
0
22p
C144
p0
01
54
1
C
0.1u
C146
19
90
1
R
C147
22p
C238
22p
ANT102
39p
C149
8.2n
05
1
C
8.2n
15
1
C
p3
3
25
1
C
R110
82
C153
1n
22p
C154
VDD_RX
1n
C155
C228
2.2u
C213
2.2u
C209
2.2u
1575.42MHz
FL112
5
3
2
4
1
OUT
IN
G1 G2 G3
p0
01
53
2
C
5.6n
L115
2.2n
L139
19
11
1
R
100p
C180
1.5n
L119
DNI
C157
33p
C159
6.8p
R112
100p
C160
DNI
R113
1n
C162
2140MHz
FL105
5
2
4
3
1
IN
OUT
_OUT
G1 G3
3.9p
C163
1.5n
L116
0
R114
C164
1n
2n
L118
DNI
C176
DNI
C169
100p
C175
C170
3.9p
U102
3
2
5
4
1
NI
_
F
R
FIL_OUT
VDD
S_D
GND
C174
0.1u
C173
100p
C172
DNI
L120
3.3n
R115
1K
VDD_RX
C177
33p
33p
C178
2.2K
R117
47p
C179
SW100
G1
A
C
G2
p0
01
92
2
C
C100
1.5n
L121
2.2n
100p
C196
L122
8p
C181
1.2n
10n
C182
C183
4.7p
L123
10n
C184
33p
L124
2.7n
L125
12n
897.5MHz
FL107
5
3
2
4
1
IN
OUT
G1
G2
G3
C185
33p
2.7p
C186
DNI
L126
C187
DNI
1950MHz
FL108
5
3
2
4
1
IN
OUT
G1
G2
G3
0.5p
L127
DNI
L128
1p
L129
1n
C188
C189
68p
DNI
L130
DNI
C190
L131
DNI
C191
3.3n
1.8n
L132
C192
33p
2.7p
C193
33p
C194
5.6n
C195
DNI
L133
FL109
897.5 MHz,942.5 MHz
9
5
8
4
7
2
3
6
1
RX1
ANT
TX
GND1
GND4
GND2
RX2
GND3
GND6
8p
L134
L135
3.3n
3.3n
C198
DNI
L136
1n
C199
DNI
L137
L138
1.8n
1880MHz
FL110
5
3
2
4
1
IN
OUT
G1
G2
G3
100n
C168
VREG_RFRX1_2.7V
ANT104
33p
C200
1880 MHz,1960 MHz
FL111
9
5
8
4
7
2
3
6
1
RX1
ANT
TX
GND1
GND4
GND2
RX2
GND3
GND6
C167
1.2n
33p
C166
33p
C165
ANT103
5.6n
71
1L
10n
C201
C202
10n
u1.
0
30
2
C
40
2
Cu
1.
0
50
2
Cu
1.
0
u1.
0
60
2
C
C207
330p
U103
6
5
7
4
8
3
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VBP
ISO
VMODE
GND
VEN
CPL
+VPWR
C208
1n
C223
2.2u
+VPWR
C210
330p
1n
C211
C212
1n
R118
49.9
U104
6
5
7
4
8
3
9
2
10
1
11
PGND
VEN
CPL
VMODE
GND
VBP
ISO
RFIN
RFOUT
VCC1
VCC2
C214
1n
R119
68
+VPWR
+VPWR
C215
680p
C216
680p
1n
C217
1n
C218
0
2
1
R
0
0
1
0
0
1
1
2
1
R
+VPWR
C219
1n
C220
330p
DNI
C221
C222
1n
+VPWR
C224
330p
1n
C225
DNI
C226
DNI
C227
U105
6
5
7
4
8
3
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VBP
ISO
VMODE
GND
VEN
CPL
GND
GND
GPS_IN
GPS_IN
RX_WCDMA_1900_M
RX_WCDMA_1900_M
RX_WCDMA_1900_P
RX_WCDMA_1900_P
RX_WCDMA_2100_LNA_OUT
RX_WCDMA_2100_LNA_OUT
WCDMA_1900_TX_OUT
WCDMA_1900_TX_OUT
WCDMA_1900_RTX
WCDMA_1900_RTX
WCDMA_2100_RTX
WCDMA_2100_RTX
DCS_PCS_TX
DCS_PCS_TX
RX_PCS_P
RX_PCS_P
RX_PCS_M
RX_PCS_M
RX_DCS_P
RX_DCS_P
RX_DCS_M
RX_DCS_M
RX_GSM_900_P
RX_GSM_900_P
RX_GSM_900_M
RX_GSM_900_M
RX_GSM_850_P
RX_GSM_850_P
RX_GSM_850_M
RX_GSM_850_M
WCDMA_2100_TX_OUT
WCDMA_2100_TX_OUT
RX_WCDMA_2100
RX_WCDMA_2100
RX_WCDMA_900_P
RX_WCDMA_900_P
RX_WCDMA_900_M
RX_WCDMA_900_M
PDET_IN
PDET_IN
GSM_TX
GSM_TX
WB2100_MIX_INM
M
NI
_
XI
M
_
0
0
1
2
B
W
WB2100_MIX_INP
P
NI
_
XI
M
_
0
0
1
2
B
W
RTR_DAC_REF
GSM_PA_RAMP
RTR_TXON
TCXO_RTR_19.2MHZ
RTR6285_SSBI
RTR_TXIP
RTR_TXIM
RTR_TXQP
RTR_TXQM
RTR_RXIP
RTR_RXIM
RTR_RXQM
RTR_RXQP
RTR_DRXIP
RTR_DRXIM
RTR_DRXQM
RTR_DRXQP
ANT_SEL0
ANT_SEL1
ANT_SEL3
ANT_SEL2
GPS_LNA_EN
WCDMA_900_RTX
WCDMA_900_RTX
WCDMA_900_TX_OUT
WCDMA_900_TX_OUT
WCDMA_900_ON
WCDMA_2100_ON
WCDMA_1900_ON
WCDMA_PA_R0
WCDMA_PA_R0
WCDMA_PA_R0
8
0
6
1
0603
5
0
0
1
5
0
0
1
W900 (W850)
VDDA1 : Pin 3,4,6,10,22,53 = +2.7V VDC
GSM Quad
LOW
GSM850 RX
ANT_SEL0
ANT_SEL1
ANT_SEL2
GSM900 RX
DCS1800 RX
VDDA2 : Pin 1,7,8,21,25,27,37,43,54,60,61,62 = +2.1V VDC
ANT_SEL3
LOW
LOW
ANTENNA SWITCH MODULE LOGIC(SKY77544)
LOW
HIGH
HIGH
LOW
LOW
LOW
LOW
LOW
LOW
2mm
11dB
LOW
DCS(1805-1880 MHz)
PCS(1930-1990 MHz)
GSM(925-960 MHz)
LOW
LOW (X)
GSM(869-894 MHz)
LOW (X)
LOW (X)
EUSY0344001
W2100
LOW (X)
HIGH
HIGH
7dB
HIGH
HIGH
LOW
LOW
LOW
LOW
HIGH
HIGH
+2.1V
GSM850(824-849MHz)
1%
HIGH
PCS1900 RX
W1900
GSM850/GSM900 TX
8
0
6
1
+2.7V
DCS1800/PCS1900 TX
HIGH
HIGH
HIGH
HIGH
GSM900(880-915MHz)
HIGH
HIGH
LOW
SFSY0035101 (B9414)
PCS(1850-1910 MHz)
DCS(1710-1785 MHz)
TX SAW (EPCOS)
W900
W1900 TX(1850 - 1910 MHz)
W2100 TX(1920 -1980 MHz)
W900 TX(880 - 915 MHz)
W850 TX(824 - 849 MHz)
WCDMA Triple
LNA for the GPS
W2100 RX(2110 - 2170 MHz)
W2100
WCDMA RX 2100 LNA Circuit
W1900
0603
RTR6285
0603
W1900 (2)
SMPY0020701 (ACPM-5201)
SDMY0003001 (B7697)
W2100 (1)
W850 (5)
W900 (8)
SFSY0036501 (B9425)
SMPY0020301 (ACPM-5305)
SDDY0005101 (B7671)
SFSY0037601 (B9442)
SMPY0020601 (ACPM-5308)
SDMY0002801 (B7953)
SFSY0036601 (B9640)
SMPY0020801 (ACPM-5202)
SDPY0005101 (B7955)
Single PAM (AVAGO)
Duplexer (EPCOS)
0603
0603
0603
0603
3
0
6
0
3
0
6
0
3
0
6
0
3
0
6
0
3
0
6
0
3
0
6
0
0603
0603
0603
0603
0603
0603
Содержание GT540
Страница 1: ...Service Manual Model GT540 Internal Use Only Service Manual GT540 Date April 2010 Issue 1 0 ...
Страница 163: ... 164 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 175: ... 176 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 205: ... 206 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 207: ... 208 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...