- 129 -
LGMC
BLUETOOTH
7
remain LOW when not transmitting
11.4dB
ANT_SEL0
TCXO
GSM850
LOW
E
(1%)
(PPS)
VTUNE-Connected directly to GND
(1%)
ANTENNA SWITCH MODULE LOGIC
A
D
A
LOW
5
LOW
9
LOW
LOW
LOW
13
14
LOW
2
3
GSM900 RX
HIGH
LOW
HIGH
HIGH
LOW
E
LOW
C
D
E
LOW
F
1
LOW
LMSP4LMA-573TEMP_Rev B Later
DCS/PCS TX
LOW
UMTS 850
HIGH
1
2
3
4
1.6K
C
6
6
7
B
HIGH
12
LOW
HIGH
8
WCDMA
5
9
F
C
D
HIGH
LOW
UMTS 1900
HIGH
4
F
GSM900/GSM850 TX
GSM 850 RX
C
B
EGSM
LOW
8
D
GSM/EDGE
HIGH
HIGH
E
LG Electronics Inc.
LOW
DCS RX
HIGH
LG Electronics Inc.
LOW
LOW
ANT_SEL3
15
16
10
11
1.6K
HIGH
PCS RX
ANT_SEL1
LOW
ANT_SEL2
HIGH
LOW
C12
33p
R126
200
1.5p
1K
R112
C3
L106
6.8nH
L119
27nH
27nH
L116
82
R119
2700p
C13
0.1uF
C11
C7
17
NC
15
UMTS1
UMTS2
16
14
VC1
VC2
13
12
VC3
VC4
11
10
VDD
180p
21
GND4
GND5
23
GND6
24
26
GND7
27
GND8
GND9
28
GSM1800RX1
1
2
GSM1800RX2
GSM1800_1900TX
22
GSM1900RX1
3
4
GSM1900RX2
7
GSM850RX1
GSM850RX2
8
25
GSM850_900TX
GSM900RX1
5
6
GSM900RX2
LMSP4LMA-573TEMP
U101
19
ANT
GND1
9
18
GND2
20
GND3
110
R108
12nH
L107
2
45
31
180p
C4
KRX102E
Q101
16
6
VCC1_CELL
VCC1_PCS1
23
22
VCC1_PCS2
VCC2_CELL1
9
10
VCC2_CELL2
11
VCC2_CELL3
21
VCC2_PCS1
20
VCC2_PCS2
VCC2_PCS3
19
4
VMODE_CELL
VMODE_PCS
24
VREG_CELL
3
1
VREG_PCS
RF5144
U108
NC1
7
8
NC2
NC3
12
13
NC4
15
NC5
NC6
17
18
NC7
25
PGND
RFIN_CELL
5
RFIN_PCS
2
RFOUT_CELL
14
RFOUT_PCS
C17
GND1
GND2
IN
OUT
12p
GND1
GND2
IN
OUT
B9003
FL103
FL110
B9014
R104
2
GND1
GND2
3
4
GND3
GND4
6
8
GND5
RFIN
1
5
RFOUT
VC
7
12K
LMSM32AA-533
FL101
680
R106
L130
15nH
110
R125
R124
110
L110
6.8nH
2.2u
C108
82
R120
30p
C105
22p
C23
NA
C47
2.2u
C27
R121
82
10
R143
22p
C21
G2
G3
G4
G5
G6
G7
RX
TX
R132
51
FL102
ACMD-7402-TR1G
ANT
G1
C2
180p
R109
5.1
47nH
L120
L134
1.5nH
6p
C5
10p
ANT103
C59
C104
0.1u
L108
15nH
C9
22p
12p
C38
22p
C22
2.7
R111
56p
56
C1
R103
C20
22p
68nH
L112
C88
150p
15nH
L102
L101
6.8nH
C26
22p
C71
1nH
39p
2200p
L124
C57
3.9nH
L125
L128
NA
47nH
22p
L115
C39
C36
22p
C35
100u
C72
R115
2200p
2.2u
1K
C107
1000p
C70
C73
4.7u
R107
110
C87
2.2n
VCC
5
10K
R136
TC7SH04FS
U106
GND
2
1
4
120p
C114
4.7nH
L103
L117
47nH
NA
C44
C103
47nH
L145
30p
RX
TX
B7637
FL104
ANT
GND1
GND2
GND3
GND4
GND5
GND6
R114
2.7
NA
L109
390p
22p
C115
C24
1.8nH
0603
L704
4.7nH
L135
C31
0.1u
C25
22p
C61
100p
C28
3.9p
NA
C75
C37
100p
10
R118
L122
4.7nH
0.1u
C41
C63
NA
2200p
C77
C83
1000p
100ohm
R122
C43
22p
1K
R113
C48
1000p
4p
C8
KMS-512
ANT
G1
G2
RF
L105
6.8nH
SW101
3
8
VDDA3
11
VDDA4
VDDA5
16
VDDA6
21
26
VDDA7
31
VDDA8
VDDA9
36
VDDM1
22
25
VDDM2
20
RX_IP
19
18
RX_QM
RX_QP
17
R_BIAS
2
R_BIAS_GPS
33
R_BIAS_UMTS
13
23
SSBI
45
TCXO
47
UMTS_CP_OUT
1
VDDA1
39
VDDA10
40
VDDA11
VDDA12
42
VDDA13
46
48
VDDA14
VDDA2
GPS_PLNA_OUT
30
GRX_IM
29
GRX_IP
GRX_QM
28
GRX_QP
27
6
HB_INM
HB_INP
7
HB_LNA_IN
15
9
HB_LNA_OUT
4
LB_INM
LB_INP
5
14
LB_LNA_IN
10
LB_LNA_OUT
NC1
12
43
NC2
44
NC3
RX_IM
RFR6275
U110
34
BLANK
24
GND
GND_SLUG
49
41
GPS_CP_OUT
38
GPS_INM
GPS_INP
37
GPS_PLNA_IN
32
35
27nH
L114
2
45
31
L126
NA
Q102
KRX102E
C822
1p
50OHM
4
3
COUP
2
IN
1
OUT
22p
C113
50OHM
4
3
COUP
2
IN
1
OUT
U107
CP0402A0836BNTR
U104
CP0402A1880EL
L144
47nH
ANT101
ANT102
R102
5.6nH
10p
C42
4.7u
C52
56nH
L113
L104
NA
47nH
L118
100ohm
R127
PGND6
22
PGND7
23
24
PGND8
25
PGND9
4
RSVD1
8
RSVD2
12
RSVD3
TX_EN
1
6
VAPC
VBATT
5
R110
5.1
17
PGND1
PGND10
26
PGND11
27
PGND12
28
29
PGND13
30
PGND14
PGND15
31
32
PGND16
33
PGND17
PGND18
34
PGND19
35
18
PGND2
36
PGND20
PGND3
19
PGND4
20
21
PGND5
SKY77329
U103
BS
3
DCS_PCS_IN
2
16
DCS_PCS_OUT
GND1
10
GND2
11
13
GND3
GND4
14
15
GND5
7
GSM_IN
9
GSM_OUT
L127
3.3nH
C32
0.5p
NA
L133
6.8nH
C176
33p
C34
33p
C30
1000p
C74
C50
2200p
L132
NA
OUT101
C6
C64
1000p
NA
6p
C76
L111
27nH
C821
C823
1p
1p
56p
C18
C816
33p
C45
NA
2.2u
C91
L129
C66
1000p
3.3nH
10p
C49
1u
C86
1u
G1
2
G2
5
IN
1
O1
3
O2
4
C84
FL105
B7838
100p
C56
1.2nH
1.2nH
L137
L143
C112
120p
0
R101
2.7
R141
0
30p
C101
R133
0.1u
C102
30p
10
SBCK
SBDT
11
6
SBST
SYNC_DET_TX_EN
5
14
VDD_A
12
VDD_MSM
4
XTAL_IN
C93
RB04
U109
16
ANT
CLK_REF
9
GND1
1
GND2
7
GND3
15
2
LDO1
3
LDO2
NC
13
8
RX_BB_TX_BB
R123
51
L141
33nH
68p
C29
68nH
L149
C90
100p
C97
R139
5.62K
0.1uF
C81
33p
L139
15nH
C46
0.01u
L706
R142
51
1.8nH
100K
R131
C80
NA
C85
C820
4p
100p
C51
0.01u
C109
C99
NA
NA
C69
L707
NA
56p
1.5p
C68
R137
1.5K
C95
100p
WMIX_INN
WMIX_INP
34
68p
C67
47
48
VDDA13
VDDA14
49
6
VDDA2
VDDA3
8
9
VDDA4
VDDA5
15
16
VDDA6
19
VDDA7
VDDA8
20
28
VDDA9
VDDM
17
VTUNE1
5
18
VTUNE2
26
WLNA_IN
29
WLNA_OUT
35
RX_IP
RX_QN
11
10
RX_QP
R_BIAS1
3
R_BIAS2
27
SBDT
14
7
TCXO
21
TEST
TX_IN
50
TX_IP
51
52
TX_QN
TX_QP
53
VCONTROL
56
4
VDDA1
VDDA10
41
VDDA11
45
VDDA12
ENV_LNN
ENV_LNP
2
55
ENV_OUT
GCELL_INN
30
GCELL_INP
31
25
GND
GPCS_INN
37
36
GPCS_INP
HB_RF_OUT1
46
HB_RF_OUT2
44
43
LB_RF_OUT1
LB_RF_OUT2
42
PGND
57
40
PWD_DET_IN
24
RF_ON
13
RX_IN
12
RTR6275
U102
CAL_INN
23
22
CAL_INP
54
DAC_REF
DCS_INN
39
38
DCS_INP
EGSM_INN
33
32
EGSM_INP
1
0.5p
2
G1
G2
5
IN
1
O1
3
O2
4
C110
1000p
C62
FL106
B7847
C96
100p
C54
0.1uF
22p
C116
1200p
C58
C14
1000p
82p
C92
L142
15nH
L140
15nH
C10
180p
L146
68nH
R117
2.2K
R140
330
11.8K
R138
4.7nH
C94
L147
L705
0.01u
C82
1.8nH
4p
GND
2
5
NC1
NC2
6
7
NC3
NC4
8
OUTPUT
3
4
VCC
1
VCONT
NA
DSA321SCE-19.2M
X702
C100
C89
1nH
10p
C55
L148
NA
0
R135
C15
100p
56p
C117
R116
1K
1000p
C53
C16
NA
100p
VREG_W
VREG_RF_SMPS
WCDMA_1900
VREG_RF_2.85V
VREG_TCXO_2.85V
C819
WCDMA_1900_TX_OUT
WCDMA_850_TX_OUT
VREG_RF_2.85V
VREG_W_PA
VREG_RF_2.85V
PA_ON2
PA_ON1
VREG_RF_2.85V
RX_WCDMA_1900
RX_WCDMA_850
WCDMA_850
WCDMA_1900
HDET
WCDMA_850
VREG_RF_2.85V
ANT_SEL2
ANT_SEL0
ANT_SEL1
ANT_SEL3
HDET
VREG_RF_SMPS
VREG_RF_SMPS
VREG_SYNTH_2.6V
RX_IM
RX_IP
RX_QM
RX_QP
VREG_MSMP_2.8V
VREG_W
DAC_REF
TX_ON
RX_IM
RX_IP
RX_QM
RX_QP
SSBDT_RTR
RTR6275_TCXO
TX_IM
TX_IP
TX_QM
TX_QP
TX_AGC_ADJ
WCDMA_850_TX_OUT
WCDMA_1900_TX_OUT
DCS_PCS_TX
GSM_TX
VREG_MSMP_2.8V
GSM_PA_EN
GSM_PA_BAND
+VPWR
GSM_PA_RAMP
GSM_TX
GSM_SAW_SW_MODE
DCS_PCS_TX
BT_CLK
BT_SBCK
BT_SBDT
BT_SBST
VREG_MSMP_2.8V
VREG_BT_2.85V
BT_TX_RX_N
BT_DATA
TCXO_BT
RFR6275_TCXO
TRK_LO_ADJ
TCXO_BT
VREG_BT_2.85V
RFR6275_TCXO
TCXO_PM
RTR6275_TCXO
RX_WCDMA_1900
RX_WCDMA_850
SSBDT_RFR
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Содержание CU575
Страница 1: ...Date Mugust 2007 Issue 1 0 Service Manual Model CU575 Service Manual CU575 ...
Страница 127: ... 128 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 137: ... 138 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 141: ...LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 142 ...
Страница 155: ... 156 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 178: ...LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Note ...
Страница 179: ...Note LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...