- 153 -
C
E
13
Blocking Cap : place to RF Chip
0603
B
(1%)
15
0603
5
EGSM RX
0603
LOW
E
B
F
HIGH
5
FRONT END MODULE LOGIC
0603
16
9
HIGH
0603
D
HIGH
6
DCS RX
8
UMTS 2
LOW
1608
10
Chip - 0603
D
HIGH
A
C
EGSM RX
TCXO
0603
0603
HIGH
9
E
UMTS 1
1
PCS RX
EGSM TX
HIGH
=> Using RTR Internal Therm
Chip - 0603
1
1608
Chip - 0603
(1%)
PPS
CTRL3
0603
HIGH
LOW
LOW
CTRL1
100ohm 0603
0603
3
F
0603
11
C
HIGH
6
C
A
0603
(1%)
14
Thermistor Circuit
4
0603
3
2012
0603
DCS RX
HIGH
LOW
7
CTRL2
LOW
7
F
1005
HIGH
0603
HIGH
12
D
0603
D
HIGH
8
E
LOW
0603
2
2
DCS/PCS TX
GSM/EDGE
LOW
PCS RX
(1%)
4
LOW
0603
0603
WCDMA
0603
100p
L30
NA
C1588
VCONT
1
L17
18nH
19.2MHz
X4
TG-5010LH_19_2M
EXSK0007801
2
GND
OUT
3
VCC
4
5.6nH
L21
R1291
12K
R1287
47
0.1u
C1509
R1303
1K
L39
NA
2.2nH
L2002
15nH
L58
0.1u
C1698
L46
NA
33p
C1374
34
WMIX_INP
C1458
0.1u
VDDA13
48
49
VDDA14
6
VDDA2
8
VDDA3
VDDA4
9
15
VDDA5
VDDA6
16
VDDA7
19
20
VDDA8
VDDA9
28
17
VDDM
5
VTUNE1
VTUNE2
18
WLNA_IN
26
29
WLNA_OUT
WMIX_INN
35
11
RX_QN
RX_QP
10
R_BIAS1
3
27
R_BIAS2
14
SBDT
TCXO
7
TEST
21
50
TX_IN
51
TX_IP
TX_QN
52
53
TX_QP
56
VCONTROL
VDDA1
4
41
VDDA10
45
VDDA11
VDDA12
47
ENV_LNP
2
ENV_OUT
55
GCELL_INN
30
31
GCELL_INP
GND
25
37
GPCS_INN
GPCS_INP
36
46
HB_RF_OUT1
44
HB_RF_OUT2
LB_RF_OUT1
43
42
LB_RF_OUT2
57
PGND
PWD_DET_IN
40
RF_ON
24
RX_IN
13
12
RX_IP
U551
RTR6275
EUSY0300501
23
CAL_INN
CAL_INP
22
DAC_REF
54
39
DCS_INN
DCS_INP
38
33
EGSM_INN
EGSM_INP
32
ENV_LNN
1
SFSY0028101
SAFEB1G95KA0F00
FL24
2
G1
5
G2
3
G3
1
IN
OUT
4
2.2u
C1613
2
ANT
GND1
1
GND2
4
8
GND3
9
GND4
GND5
6
3
GND6
5
RX
7
TX
FL35
SAYZY1G95EA0B00
SDMY0001201
8.2p C2000
C1472
75
R1417
NA
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
VDDA11
40
VDDA12
42
VDDA13
46
48
VDDA14
VDDA2
GPS_PLNA_OUT
30
GRX_IM
29
GRX_IP
28
GRX_QM
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
NC3
44
RX_IM
EUSY0300401
RFR6275
34
BLANK
24
GND
GND_SLUG
49
41
GPS_CP_OUT
38
GPS_INM
GPS_INP
37
GPS_PLNA_IN
32
35
10K
R1283
U553
C1595
0.01u
L13
C1462
3.9nH
10p
180
R1420
NA
C1439
10K
R1425
4.7nH
L27
39p
R1300
0
C1465
GND5
11
2
RFIN
RFOUT
8
VCC1
1
10
VCC2
4
VMODE
VREF
5
AWT6277R
U578
GND1
3
GND2
6
7
GND3
9
GND4
0.01u
C1597
NA
L40
100p
C1426
C1368
0.1u
R1376
10
C1692
22p
C1410
22p
12p
C1448
5
IN
1
O1
3
O2
4
180p
C1407
FL33
EFCH881MTDAA
SFSY0030101
G1
2
G2
12p
C1517
180
R1419
100
R1282
56p
C1400
C1516
L14
47p
56nH
2.2u
C1706
1000p
C1679
0.1u
C1693
SCDY0003403
CP0402A1950DNTR
U558
50OHM
4
3
COUP
IN
2
OUT
1
56p
C1631
C1432
6p
NA
C1474
L12
3.9nH
100p
100ohm
R1418
C1592
56p
C1401
KMS-507
SW1
ANT
G1
G2
RF
R1442
NA
ENWY0003301
L61
3.3nH
5.6nH
L56
1.2nH
L15
R1304
1K
C1612
33p
33p
C1376
0.01u
C1596
L24
180p
1.5nH
C1700
C1405
390p
15nH
L41
C1703
120p
GND4
68p
C1380
6.8nH
L2000
0.01u
22p
C1701
C1616
1nH
L2001
0
R1305
100p
6p
C1422
C1430
100
R1427
L44
NA
C1469
NA
C2002
0.5p
100p
0.1u
C1619
C1611
C1694
33p
18nH
L16
ANT
2.2n
C1519
0.1u
C1696
C1589
10u
68p
C1398
56p
C1667
6.8nH
L11
10p
C1461
100
R1281
GND3
5
7
GND4
8
GND5
9
GND6
RX
3
1
TX
FL18
EFSD835MF2S2
SDDY0004502
6
ANT
2
GND1
4
GND2
C1610
C1514
100p
1000 pF
180p
C1406
L48
33nH
C1440
0.5p
4.7u
C1702
C1646
68p
NA
C1684
C1467
0.75p
5p
C1471
6
VDD
C1419
68p
UPG2010TB-E3
U552
EUSY0207001
2
GND
IN
5
OUT1
1
OUT2
3
VCONT
4
L64
2.2nH
C1590
100
R1426
10u
10u
C1628
33p
C1382
C1683
C1437
68p
3300p
180p
C1404
6p
C1431
6p
NA
L45
C1429
C1423
100p
C1373
33p
12p
1.5K
R1326
L59
C1450
15nH
1
VMODE
2
C1473
NA
U574
AWT6307R
9
BGND
8
GND1
6
GND2
3
RFIN
RFOUT
7
4
VBATT
VCC
5
VEN
1000p
C1387
6.8p
C1630
4.7
R1439
L52
47nH
1000p
C1388
R1289
5.62K
5.6p C2004
C1415
0.01u
L62
NA
0.1u
C1695
2
45
31
L31
1.8nH
EQBA0000602
KRX102E
Q9
FL25
SAFEB2G14FA0F00
G1
2
G2
5
IN
1
O1
3
O2
4
C1643
22p
1K
10
GND6
12
GND7
13
14
GND8
16
GND9
P_GND
21
RSVD_GND
19
20
VAPC
VBATT
17
VCC1A
2
VCC1B
6
R1302
1
BS
3
DCS_PCS_IN
DCS_PCS_OUT
15
4
EGSM_IN
11
EGSM_OUT
18
ENABLE
5
GND1
7
GND2
GND3
8
9
GND4
GND5
47p
U569
SKY77318
SMPY0014001
C1399
47
R1285
C1675
130
R1422
0.1u
56p
C1396
C2005
130
R1421
7p
C1665
0.1u
IN
2
OUT
1
18nH
L23
SCDY0003401
CP0402A0836BNTR
U557
50OHM
4
3
COUP
8.2nH
L2003
C1615
100p
R1290
680
C1591
100p
33p
C1375
C1393
NA
L43
1000p
2.7
R1436
R1438
10
L28
4.7nH
10u
C1704
15nH
L10
0.5p
22p
C2003
11.8K
C1691
R1288
39p
C2001
150p
C1685
C1449
10p
C1593
4p
82
R1424
GND5
C1645
68p
GSM1800_1900TX
GSM1800_RX1
21
22
GSM1800_RX2
GSM1900_RX1
23
24
GSM1900_RX2
GSM900TX
6
GSM900_RX1
19
20
GSM900_RX2
PIN_DIREC1
25
26
PIN_DIREC2
UMTS1
9
7
UMTS2
14
VC1
VC2
15
16
VC3
13
VDD
LMSP54MA-543
FL34
11
ANT
GND1
1
GND2
2
4
GND3
GND4
5
GND5
8
GND6
10
12
GND7
17
GND8
GND9
18
3
C1377
SFAY0008901
39p
1.5nH
L25
R1280
100
15nH
L36
22u
C1711
1.2nH
L55
10n
C1559
L51
47nH
IN
1
O1
4
FL32
EFCH897MTDB1
SFSY0030201
G1
2
G2
3
G3
5
4p
C1594
FL31
EFCH836MTDB1
SFSY0030301
G1
2
G2
3
G3
5
IN
1
O1
4
C1412
0.1u
22p
C1699
C1456
39
R1423
82p
6.8nH
L57
VREG_RF_SMPS
VREG_RF_SMPS
VREG_RF_SMPS
+VPWR
+VPWR
WCDMA_2100
DCS_PCS_TX
GSM_TX
VREG_MSMP_2.7V
VREG_TCXO_2.85V
RTR6275_TCXO
RFR6275_TCXO
TRK_LO_ADJ
TCXO_PM
W800_TX_OUT
PA_ON1
+VPWR
ANT_SEL0
PWR_DET
GSM_TX
GSM_PA_RAMP
VREG_TCXO_2.85V
ACT_N
PA_R0
PA_ON0
VREG_TCXO_2.85V
RF_OUT
VREG_RF_SMPS
W800_RX
SSBDT_RFR
RX_IM
RX_IP
RX_QM
RX_QP
VREG_MSMP_2.7V
W800_TX_OUT
TX_AGC_ADJ
W2100_RX
W2100_TX_OUT
W2100_RX
W800_RX
WCDMA_800
W2100_TX_OUT
RFR6275_TCXO
DCS_PCS_TX
PWR_DET
TX_ON
RX_IM
RX_IP
RX_QM
RX_QP
SSBDT_RTR
RTR6275_TCXO
TX_IM
TX_IP
TX_QM
TX_QP
VREG_SYNTH_2.6V
GSM_PA_EN
GSM_PA_BAND
WCDMA_800
WCDMA_2100
ANT_SEL2
ANT_SEL1
DAC_REF
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Содержание L704I
Страница 1: ...Date September 2007 Issue 1 0 Service Manual Model L704i Service Manual L704i Internal Use Only ...
Страница 151: ... 152 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 171: ... 172 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 175: ... 176 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 202: ...LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Note ...
Страница 203: ...LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Note ...