LG FM300 Service Manual page 78

16 15
L
K
0 R500
VDD_3.3
0 R501
VDD_1.2
VDD_2.5 0 R502
VDD_1.2 0 R505
J
C514 C515
10u 100n
VDD_1.2
VDD_1.2 FB501 600
FB502 600
I
FB500 220
VDD_2.5
C532 C533 C534 C535 C536
10u 10u 100n 100n 1n
H
VDD_3.3 R515 0
R516 0
VDD_NP_1.2_RF
R517 0
VDD_1.2
R518 0
R519 0
VDD_1.2 R522 0
G
F
C542 C543
C563 C562
1u 0.1u
4.7u 4.7u
E
USB MINI B FOR NP
D
VDD_3.3
SW_NP_UART_TX
SW_NP_UART_RX
C
USB MINI B FOR LTE
B
VDD_3.3
SW_LTE_UART_TX
SW_LTE_UART_RX
A
16 15
LGE Internal Use Only
14 13 12 11
C500 C501 C502 C503 C504
10n 100n 10n 10n 10u
USB_ANA3P3 USB20PHY_MONCDR
USB20PHY_MONPLL
HSIC_VDDIO
USB20H_CTL1
USB_ANA2P5 USB20PHY_DP
USB20PHY_DM
USB_ANA1P2
USB_ANA1P2_PLL USB20H_CTL2
USB20PHY_STROBE
USB_AGND1 USB20PHY_DATA
USB_AGND2 USB20PHY_COMPHSIC
USB_AGND3
HSIC_DGND1 USB20PHY_RREF
HSIC_DGND2
TDP4
C516 C517
ATEST TDN4
10u 100n
VSSPLL RDP4
RDN4
R508 0
VDDPLL_1P2
R509 R510
RDAC TDP3
1K 240
TDN3
EPHY_AVDD1P2_1 RDP3
EPHY_AVDD1P2_2 RDN3
EPHY_PLLVDD1P2
TDP2
U200
BIAS_VDD2P5 TDN2
RDP2
RXG_0 RF_2G_ANTENNA_CORE0 RDN2
RXG_1 RF_2G_ANTENNA_CORE1
TDP1
TXG_0 PA_2G_CORE0 TDN1
TXG_1 PA_2G_CORE1 RDP1
RDN1
GPAIO_GPIO_PAD
R514 15K
RCAL_RES_EXT_CORE TDP0
C537 C538 C539 C540
C541 1u
XTAL_VDD2P5 TDN0
100n 1n 10u 100n
RDP0
XTAL_BUF_OUT RDN0
XTAL_IN XTALIN
XTAL_OUT XTALOUT MIMOPHY_CORE0_ANT0_RX
MIMOPHY_CORE0_ANT0_TX
VDDIN_RFL
O_VREF_RFL MIMOPHY_CORE1_ANT1_RX
MIMOPHY_CORE1_ANT1_TX
LOGEN_VDD1P2
TX_2G_CORE0_VDD1P2 TSSI_0_IQTEST_P
TX_2G_CORE1_VDD1P2 TSSI_1_IQTEST_N
PA_2G_CORE0_VDD3P3
PA_2G_CORE1_VDD3P3 PAD_2G_CORE0_VDD3P3
PAD_2G_CORE1_VDD3P3
CORE0_VDD1P2
CORE1_VDD1P2 O_VDD1P3_RFL
SYNTH_VDD1P2
SYNTH_VCO_VDD1P2
VDDPLL_PHY_1P2
VSSPLL_PHY
C544 C545 C546 C547 C548 C549 C550 C551 C552
0.1u 0.1u 0.1u 4.7u 0.1u 0.1u 100p 100p 10n
UART SWITCH
CN501
VBUS
D-
D+
ID
U502 DG2722
GND
NP_UART_TX D+ HSD1-
NP_UART_RX D- HSD1+
GND _OE
SW_NP_UART_RX HSD2- V+
SW_NP_UART_TX
HSD2+ S
CONNECTOR
ENRY0011801 EUSY0386501
C559
1u
R503 0
R504 0
U503 DG2722
R511
LTE_UART_TX D+ HSD1-
LTE_UART_RX D- HSD1+ 4.7K
CN500
GND _OE
SW_LTE_UART_RX
HSD2- V+
SW_LTE_UART_TX
HSD2+ S
VBUS EUSY0386501
D-
D+ DNI
ID
GND
ENRY0011801
DNI
14 13 12 11
10 9 8 7
NP_USB1_DP
VDD_2.5
NP_USB1_DM
C505 C506 C507 C508 C509 C510 C511 C512
1n 1n 1n 1n 100n 100n 100n 100n
VDD_3.3
C513
100p
C518 C519 C520 C521 C522 C523
1n 1n 1n 100n 100n 100n
VDD_1.2
TP500
TP501
TP502
TP503
C524 C525 C526 C527 C528 C529 C530 C531
PORT1_TDP 1n 1n 1n 1n 100n 100n 100n 100n
PORT1_TDN
PORT1_RDP
PORT1_RDN
VRXA0_0
VTXA0_0
VRXA1_1
VTXA1_1
R520 0 VDD_3.3
R521 0
VDD_NP_1.2_RF
FB503 600
VDD_NP_1.2_RF
FB504
600 VDD_NP_1.2_RF
R525 0 VDD_NP_1.2_RF
C553 C554 C555 C556 C557 C558 C560 C561
0.1u 0.1u 0.1u 1u 1u 4.7u 4.7u 4.7u
CN537 CN536 CN526 CN529 CN534
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
CN533 CN530 CN531 CN528 CN532
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
CN515 CN514 CN517 CN516 CN519
VDD_3.3
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
CN522 CN525 CN524 CN527 CN523
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
VDD_3.3
UART_SEL CN4 CN5 CN1 CN2 CN3
C564
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
DNI
CN503,CN504,CN508,CN513,CN545,CN546,CN548 are DNI.
10 9 8 7
- 78 -
6 5 4 3 2
VSS1
VDDMEM1 VSS2
VDDMEM2 VSS3
VDDMEM3 VSS4
VDDMEM4 VSS5
VDDMEM5 VSS6
VDDMEM6 VSS7
VDDMEM7 VSS8
VDDMEM8 VSS9
VSS10
VDDIO1 VSS11
VDDIO2 VSS12
VDDIO3 VSS13
VDDIO4 VSS14
VSS15
VDD1 VSS16
VDD2 VSS17
VDD3 VSS18
VDD4 VSS19
VDD5 VSS20
U200 VSS21
EPHY_GND1 VSS22
EPHY_GND2 VSS23
EPHY_GND3 VSS24
EPHY_GND4 VSS25
EPHY_GND5 VSS26
EPHY_GND6 VSS27
EPHY_GND7 VSS28
EPHY_GND8 VSS29
EPHY_GND9 VSS30
EPHY_GND10 VSS31
EPHY_GND11 VSS32
EPHY_GND12 VSS33
EPHY_GND13 VSS34
EPHY_GND14 VSS35
EPHY_GND15 VSS36
EPHY_GND16 VSS37
EPHY_GND17 VSS38
EPHY_GND18 VSS39
EPHY_GND19 VSS40
EPHY_GND20 VSS41
EPHY_GND21 VSS42
EPHY_GND22 VSS43
EPHY_GND23 VSS44
EPHY_GND24 VSS45
EPHY_GND25 VSS46
EPHY_GND26 VSS47
EPHY_GND27 VSS48
VSS49
VSS50
VSS51
XTAL_GND
CN504 CN505 CN502 CN503 CN507
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
OJ500
CN509 CN508 CN511 CN510 CN506
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
CN539 CN538 CN541 CN540 CN535
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
CN520 CN521 CN518 CN513 CN512
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
CN548 CN546 CN6 CN7
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
CN544 CN547 CN545 CN542 CN543
MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201 MCGY0004201
6 5 4 3 2
7. CIRCUIT DIAGRAM
1
L
K
J
I
H
G
F
E
OJ503 OJ504 OJ505
D
C
B
A
1
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