LG LM-X120HM Service Manual page 108

ASM_Main
CON1501
C1573 33PF RF_ANT_TRX_CARKIT C1540 33PF
2 1
OUT IN
RF-SWITCH-818000291
NF
L1568
GND GND
GND
BPI_BUS1 [ 3]
100PF
C1571
82nH
VIO18_PMU [3,4,5,6,7,8,9,10,12,13,14,19]
L1572
100PF
C1572
Band1
RF_B1_PA_DPX [ 14]
U1521
SFXG50CY902
RF_B1_TRX_DPX
RF_B1_TRX_TXM [15] 33PF 1 2 C1514 6 3
ANT TX
RF_B1_PRX_DPX_1
1
RX
NF 22NH
L1530 L1532
GND
GND
GND
Band3/DCS1800
RF_B3_PA_DPX [ 14]
U1514
D6DA1G842K2C4
RF_B3_TRX_DPX
1 2 6 3
RF_B3_TRX_TXM [15] 33PF C1515
ANT TX
1
RX
RF_B3_PRX_DPX_RFIP1
NF 22NH
L1525 L1526
GND GND
GND
Band7
RF_B7_PA_DPX [ 14]
U1515
RF_B7_TRX_DPX
1.8nH 2 1 C1519 6 3
RF_B7_TRX_TXM [15] ANT TX
1
RX
RF_B7_PRX_DPX_RFIP1
NF 3.3NH
L1550 L1544
GND
GND
2
GND
RF-DPX-SAYEY2G53BA0F0A
[14]
RF_B8_PA_DPX
Band8/GSM900
U1524
RF-DUPLEXER-SAYEY897MGA0F0A
3
TX
1.8nH 2 1 6
RF_B8_TRX_TXM [15] L1520 RF_B8_TRX_DPX
ANT
2
GND
NF 4
3.3NH
L1519 GND
L1521
GND GND
RF_TXDET [13]
GND20 GND11
20 11
21 GND21 SP16T VBAT 10
C1511 33PF RF_ANT_TRX_TXM
ANT VCC
RF_ANT_TRX_TXM 22 9
VC7916
GND23 VRAMP
23 8
TRX14 VIO
[15] RF_B28A_TRX_TXM 24 7
TRX13 SDATA
25 6
[15] RF_B28B_TRX_TXM
TRX12 SCLK
[15] RF_B3_TRX_TXM 26 5
TRX11 GND4
27 4
[15] RF_B20/17_TRX_TXM
TRX10 HB_IN RF_MB_TX_TXM
[14] RF_B38B41_TRX_TXM 28 3
TRX9 LB_IN
[14] RF_B40_TRX_TXM 29 2 RF_LB1_TX_TXM
TRX8 GND1
30 1
[15] RF_B8_TRX_TXM
GND39
39
U1513
GND
[15] RF_B5_TRX_TXM
[15] RF_B7_TRX_TXM
[15] RF_B1_TRX_TXM
[15] RF_B4/66_TRX_TXM
[15] RF_B2_TRX_TXM
NF
R1515
GND
[3]
BPI_BUS4
LTE_VFE28
NF
C1527 NF
6 1
EN GND
NF NF C1524
2 1
5 2
RFIN VDD
RF_B1_PRX_DPX_8 IND-0201-NF
C1552 U1519
L1542
IND-0201-NF 1
4 3 33PF 1 2 4
GND OUT
RFOUT
RF_B1_PRX_DPX_4 1 IN
RF_B1_PRX_DPX_7
3
GND
R1527 R1528
RF_B1_PRX_DPX_1 RF_B1_PRX_DPX_3 RF_B1_PRX_DPX_2
0 0
[3]
BPI_BUS5
LTE_VFE28
NF
C1505 NF
6 1
EN GND
NF
NF C1503
2 1 NF
5 2
RFIN VDD
IND-0201-NF
U1504 L1593
L1503
IND-0201-NF
1 4 1 2
4 3 33PF 1 2 C1553
GND RFOUT IN OUT
RF_B3_PRX_DPX_RFIP3
NF
R1505 R1506
RF_B3_PRX_DPX_RFIP1 RF_B3_PRX_DPX_RFIP8 RF_B3_PRX_DPX_RFIP6
0 0
[3]
BPI_BUS6
LTE_VFE28
C1550 NF
NF
6 1
EN GND
NF
NF C1506
2 1
5 2
RFIN VDD
IND-0201-NF
RF_B7_PRX_DPX_RFIP2 L1594
L1506 U1506
IND-0201-NF
RF_B7_PRX_DPX_RFIP4 4 1 2
4 3 33PF 1 2 C1554
GND RFOUT OUT
1 IN
RF_B7_PRX_DPX_RFIP3 3 NF
GND
NF
R1508 R1509
RF_B7_PRX_DPX_RFIP1 RF_B7_PRX_DPX_RFIP8 RF_B7_PRX_DPX_RFIP6
0 0
[3]
BPI_BUS7
LTE_VFE28
U1517
NF
C1528 NF
6 1
EN GND
U1520
NF
1
RF_B8_PRX_DRX_RFIP1 2 1 NF C1526 NF
RX RF_B8_PRX_DRX_RFIP2 5 2
RFIN VDD
L1546
IND-0201-NF
5 4 3 RF_B8_PRX_DRX_RFIP4 1
2 1
GND GND RFOUT IN OUT
C1555 33PF
7
RF_B8_PRX_DRX_RFIP3
GND
8
GND
R1531 R1532
RF_B8_PRX_DRX_RFIP8 RF_B8_PRX_DRX_RFIP6
0 0
RES-0-0603
R1543
1 2
VBAT
0
10PF 100PF 1nF C1543
TVS1501
C1541 C1551 C1542 10uF
GND
GND
GND
R1536
1 2
VRAMP_DCDC [3]
6.98K
220pF
C1546
GND R1544
LTE_VMIPI
0
MIPI1_SDATA [3]
R1518
1 2
MIPI1_SCLK [ 3]
100
0.01uF
C1533
GND GND
R1526
1 2 C1534 33PF
RF_2G_HB_TX_RFIC [ 13]
0
NF
NF
2G_PAIN_HB
R1534
R1533
GND GND
2G_PAIN_LB
Band 2/PCS1900
R1535
1 2 C1513 33PF
RF_2G_LB_TX_RFIC [ 13]
0
NF
R1516 Band4/Band66
GND
RF_B4/66_TRX_TXM
[33]
L1592
2
2.4nH 2 1 L1534 RF_B1_PRX_DPX_6 C1516 2 1 22PF
RF_B1_PRX_RFIC [13]
NF
Band28A
NF
1.5nH
L1533
L1535
GND
GND
RF_B28A_PA_DPX [14]
RF_B28A_TRX_TXM [15]
Band28B
RF_B28B_PA_DPX [14]
RF_B3_PRX_RFIC [13]
3.6nH 2 1
L1528 22PF 2 C1518 1
R1513
RF_B3_PRX_DPX_RFIP7
RF_B28B_TRX_TXM [15]
0
RFLPF1005040YM1T76
2.7nH
L1529
NF
L1527
GND
C
GND
Band17/Band20
RF_B20/17_PA_DPX [14]
RF_B7_PRX_DPX_RFIP7 22PF RF_B7_PRX_RFIC [13]
3.6nH 2 1 C1517 2 C1525 1
NF
L1518 2.7nH
RF_B20/17_TRX_TXM [15]
L1549
GND NF
L1540
GND
GND
IND-0201-NF
L1595
4 1 RF_B8_PRX_DRX_RFIP6 2 3.6nH RF_B8_PRX_DRX_RFIP7 22PF
2 1 L1523 2 1 C1512 RF_B8_PRX_RFIC [13]
NF
NF
L1522
2.7nH
L1524
GND
GND
108
Band5/GSM850
[14] RF_B5_PA_DPX
U1509
SAYEY1G73BA0F0A
RF_B5_TRX_DPX
RF_B5_TRX_TXM [15] 5.1NH 2 1 C1510 6 3
ANT TX
1
RX
RF_B5_PRX_DPX_RFIP1
NF
10NH
L1517
L1513
RF-DPX-SAYEY1G73BA0F0A
GND GND
U1525 PCS1900 SKU:MEA&Asia ---SFHG6
U1516 Band 2 SKU:EU&LATAM--- SAYEY1
RF_B2_PA_DPX [ 14]
GND
U1516
1.8nH
RF_B2_TRX_TXM [15] 2 1 C1521
TX
3
NF 6
ANT GND
GND
L1536 3.3NH 2
L1537
1
RF_B2_PRX_DPX 3.6nH
RX
RF-DUPLEXER-SAYEY1G88BA0B0A
GND
GND
NF
L1538
U1525
GND
GND
6 3
UNBL_IN UNBL_OUT
RF_B4B66_PA_DPX [14]
U1502
SAYEY1G73BA0F0A
1.8nH
2 1 L1559 RF_B4_TRX_DPX 6 3
[15] ANT TX
1.8nH
1
RX
RF_B4_PRX_DPX_RFIP1
NF 3.3NH RF-DPX-SAYEY1G73BA0F0A NF
L1561 L1560 L1566
GND
GND GND
GND
U1522
SAYEY718MBC0F0A
5.1NH 2 1 RF_B28A_TRX_DPX
C1532 6 3
ANT TX
1 2
1 L1556 4.3nH
RX
F_B28A_PRX_DPX_RFIP1
NF
10NH
L1554
L1553
RF_B28A_PRX_SPDT
GND
GND GND GND IND-0201-NF
L1515
1
R1530 NF
U1523
0
Band28B - U1523 - SAYEY733MBC0F0A
LPF746~787MHz U1531
3 1 Band13 - U1523 - B39781B1228P810
NC NC 6
4
5.1NH 2 1 C1531 RF_B28B_TRX_DPX 6 3 R1540
OUT IN ANT TX
RF_B28B_PRX_DPX_RFIP1
1
RX
NF
L1531 10NH
NF
L1564 L1563
GND
GND
GND
GND
GND GND
Band17 - U1512 - D5DA737M5
Band17 - U1507 - SFH737AA0
[3] BPI_BUS11
LTE_VFE28
U1512
TX U1501
3
NF 3
C1508 NF
15PF 6 6 1
C1520 1 2 RF_B20_TRX_DPX EN GND
ANT GND GND
2
NF
NF
2 1
1 RF_B20_PRX_RFIP1 5 2
RFIN VDD
RX RF_B20_PRX_RFIP2
4.3NH
L1541 L1551
IND-0201-NF
4 3 2
GND
RFOUT
C1556
GND
NF
L1552
GND
GND
R1511
RF_B20_PRX_RFIP1 RF_B20_PRX_RFIP8
0
Band20 - U1512 - B39851B8622P
Band20 - U1507 - SAFFB806MAA
12nH 2 1 RF_B5_PRX_DPX_RFIP2 22PF
C1509 C1530 2 1 RF_B5_PRX_RFIC[13]
NF
NF
L1512
L1514
GND GND
2 1 C1522 RF_B2_PRX_DPX_1 22PF 2 C1523 1 RF_B2_PRX_RFIC [13]
2.7nH
L1539
GND
2 1 L1562 RF_B4_PRX_DPX_RFIP2 C1538
2 1 22PF
RF_B4/66_PRX_RFIC [13]
3.3NH
L1565
GND
LTE_VFE28
BPI_BUS0 [3]
RF-SWITCH-QM12002(SPDT)
3 4
RF1 VDD IND-0201-NF
L1516
2 5 1 2
GND RFC
12nH 2 1 C1537 RF_B28B_B28A_PRX_SPDT_RFIP3 C1539 2 1 22PF
RF_B28B_B28A_PRX_SPDT_RFIP2 RF_B28_PRX_RFIC
2 1 6 NF
RF2 CTRL
U1511
NF
NF
L1557
L1558
R1541
RF_B28B_PRX_SPDT_RFIP1 RF_B28B_B28A_PRX_SPDT_RFIP1
0 0
GND GND
C1507
SFH806BA002 NF
2 1
4 RF_B20/17_PRX_RFIC [13]
12nH 2 1 C1501 RF_B20_PRX_RFIP7 C1502 22PF
OUT 2 1
1 1
IN
33PF RF_B20_PRX_RFIP4 3 R1538
G IND-0201-NF
U1507
NF
NF L1501
L1502
NF
L1510
GND
GND
GND
R1512
RF_B20_PRX_RFIP6
0
<TITLE> REV: <REV>
TITLE:
DOCUMENT NO.: 15_PRX SIZED: A1
Hardware DEPT.
DEPARTMENT:
COMPANY:
15
DESIGNER: <DESIGNER> Last Saved Date: 2019/4/8 SHEET: OF 20
[13]