Circuit Diagram - LG -A130 Service Manual

7. CIRCUIT DIAGRAM

16 15 14
L
RF SUPPLIES (CLEAN GND)
VDDTRX VDDRF2
PIN_B14 PIN_G13
K
C127 C138 C137
1u 18p 220n
J
I 1V8_VDD
L102 3.3u
C136
22u
(6.3V)
VBAT
C106 33u
H
(10V,L_ESR,2012)
N12
LCD_ID
M0
T11
BAT_TEMP M1
R11
M2
C120 4.7n N11
VDD_FMR
M10
FM_ANT FMRIN
M11
FMRINX
T15
CP1
R15
CP2
G
A15
GSM_OUT TX1
A14
BS2 FE2
D16
RX12 RX12
C16
RX12X RX12X
F16
RX34
RX34
E16
RX34X
RX34X
C14
VDET
B13
BS1 PABS
C13
PABIAS
B16
VLOGIC FE1
B15
DCS_PCS_OUT TX2
C12
TX_EN
PAEN
B14
F
VDDTRX VDDTRX
H8
BT_TXD USIF2_TXD_MTSR
J7
BT_RXD USIF2_RXD_MRST
H7
BT_RTS USIF2_RTS_N
Connect GND plane directly J8
BT_CTS USIF2_CTS_N
A2
Close to the 26MHz XTAL UART_TX
USIF1_TXD_MTSR
B3
UART_RX
USIF1_RXD_MRST
X101 TSX-3225 A3
4 3 NLCD_RESET USIF1_RTS_N
GND2 HOT2 B2
CHG_EN1 USIF1_CTS_N CC1CC6IO
1 2 K11
HOT1 GND1
USB_DP DPLUS
26MHz K12
USB_DM DMINUS
2V85_VSIM B11
XOX
A11
E
XO
M8
VSIM
G3
SIM_DATA SIM_IO
G2
C128 SIM_CLK SIM_CLK
G4
0.1u SIM_RST SIM_RST
H1
USD_CMD MMCI_CMD
H3
USD_D0
MMCI_DAT_0
H2
USD_CLK
MMCI_CLK
H6
USD_D1 MMCI_DAT_1
G5
USD_D2 MMCI_DAT_2
1V8_VDD
K5
USD_D3 MMCI_DAT_3
D
H12
SWIF SWIF_TXRX
J15
TDO
TDO
J16
R101 TDI
TDI
G16
10K TMS TMS
H16
TCK TCK
H15
NTRST TRST_N
K16
TRIG_IN
J13
MON1
J12
VDDP_DIG2
MON2
C4
KEY_BL_EN
MON3
G11
BT_CLK FSYS1
F11 RF
R105 R110 FSYS2
CHG_EN2 J11
100K 100K DIGUP_CLK
C CC0CC1IO
H11
MUIC_INT DIGUP1
CC0CC7IO
G10
BT_DBB_INT DIGUP2
EINT4/EINT1
B
A
16 15 14
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
13 12 11 10
RF SUPPLIES (DIRTY GND)
1V8_VDD
VDD_IO1
VBAT
VBAT_RF2 VDDXO VDDTDC VDDMS VRF1
1V8_VDD
PIN_G14 PIN_E11 PIN_B12 PIN_H13 PIN_H10 R102
0
Seperate and shield
FB101 PIN G9
75
C124 C123 C121 C113 C131
C119
4.7n 47n 47n 1u 0.1u
470n
(10V)
PMU SUPPLIES ABB SUPPLIES
VBAT_PMU VBATSP
VDD1V8CP Speaker Supply
VBAT VPMU VAUX VMMC VUSB VCORE
1V8_VDD
VBAT
PIN N8 PIN P10 PIN P8 PIN L7 PIN M9 PIN K8
PIN P14
PIN P16
C101 C112 C122 C118 C110 C135 C115
2.2u 3.3n 470n 470n 0.1u 220n 2.2u
C134
(10V) (10V)
0.1u
VRTC
R106
470
C150
TX_RAMP Q101
0.1u 3
1V8_VDD 2
VBAT 1V8_VDD 1V8_VDD VPMU VCORE 1V8_VDD 1V8_VDD VDDMS VDDXO VDDTDC VBAT_RF2 VAUX VMMC VUSB VDDRF2 VRF1 VBAT
1
ABB
RF SUPPLY DOMAIN PMU PADS
RF
PIN COLOR DESCRIPTION
ORANGE ABB PADS
VDDP_EBU
YELLOW RF PADS
LIGHT BLUE PMU PADS
LIGHT GREEN DBB SUPPLIES
MAGENTA DBB SIGNAL PADS
VDDP_DIG1
EINT3
U102 EUSY0366601
EINT2
PMB8810_A-GOLDRADIO_
VDDP_ULPI
RF PIN NAME INT PORT SIGNAL NAME
T2IN EINT0 SLIDE
DIGUP2 EINT4 BT_DBB_INT
VDDP_SIM
DIF_RESET EINT7 uSD_DET
VDDP_DIG1
USIF1_CTS_N CC1CC6IO _CHG_EOC
USIF1_RTS_N CC0CC1IO MUIC_INT
ABB
VDDP_MMC
VDDP_DIG1
VDDP_DIG1 VDDP_DIG1 VDDP_DIG1
C103 C117
18p 18p
X102
MC-146_12_5PF
32.768KHz
13 12 11 10
9 8 7 6
MEMORY
DBB SUPPLIES
VDD_IO2 VDD_EBU
1V8_VDD 1V8_VDD
PIN K7 PIN R5
C105 C125
0.1u 0.1u
NRESET
R115
3.9K
R108
LDO_OUT
100K
(1%)
R116
5.6K
K3
A_D0 AD00
K2
A_D1 AD01
L1
A_D2 AD02
M1
A_D3 AD03
N3
A_D4 AD04
M2
AD05
A_D5
N1
AD06
A_D6
P2
A_D7 AD07
K1
A_D8 AD08
L4
A_D9 AD09
L2
A_D10 AD10
L3
A_D11 AD11
N2
AD12
A_D12
P5
AD13
A_D13
P1
A_D14 AD14 POWER ON
P3
A_D15 AD15
R4
WR_N NWR
J1 VRTC
RD_N NRD
R1
AD16
A_D16
J4 KB101
A_D17 AD17
J2
A_D18 AD18
H4
A_D19 AD19
P4
A_D20 AD20
R2
A_D21 AD21
J3
AD22
A_D22
T3
NLB
A_D23
N4
A_D24 NUB
K4
CS0_N NROM_CS
M3
CS1_N NRAM_CS
R3
ADV_N NADV
J6
WAIT_N NWAIT
P9
ANAMON
T2 VMIC
MEM_CLK
BFCLK0 C145 C144
FACTORY MODE
47p 47p
K15
FSYS_EN FSYS_EN
M15
EPN EPN
M16
EPP EPP
R14
HSL HSL
T14
HSR
HSR F_MODE_IN
N16
LSN
N15
LSP
R12
MICN1 MIC_N
T12
MICP1 MIC_P
R13
MICN2 HS_MIC_N
T13
HS_MIC_P
MICP2
P12
VMIC
P13
VUMIC
C148 C149
R10
ACD
P11 47p 47p
AGND C102
T10
VREF 1n
A16
C104
NC1 VIBRATOR
T16
220n
NC2
A1
NC3
T1
NC4
F9 TP109
VDDFS
VIB_P
PWRON
I2C_SDA
I2C_SCL
OJ101 OJ103
9 8 7 6
- 123 -
5 4 3 2
(512 NOR / 128 pSRAM : AD MUX type)
EUSY0368506
PF38F5060M0Y3DG
1V8_VDD 1V8_VDD
A1
NC1
R117 100K
H8 A14
P_CRE NC2
C3
NC3
D3 C12
NWAIT
WAIT_ NC4
H3
NC5
C7 H12
NLB R_LB_ NC6
C8 K1
NUB R_UB_ NC7
H7 K14
NRAM_CS R_CS_ NC8
1V8_VDD 1V8_VDD D6 G12
MEM_CLK
CLK ADQ0
G11
ADQ1
D8 F9
WE_ ADQ2
F12 F8
NRD OE_ ADQ3
G7
NWR ADQ4
R109 R113 E6 G6
NADV AVD_ ADQ5
F5
100K 100K ADQ6
E11 F4
NROM_CS F1_CE_ ADQ7
C4 F11
U101
F2_CE ADQ8
F10
ADQ9
E8 G9
F_RST_ ADQ10
E9 G8
F_WP_ ADQ11
H11 F7
F_DPD ADQ12
F6
C114 ADQ13
D7 G4
47n VCC ADQ14
G3
ADQ15
E3
VCCQ1
G10 E4
VCCQ2 A16
H4 D11
VCCQ3 A17
E10
A18
D5 D10
VSS1 A19
E12 E5
VSS2 A20
F3 D4
VSS3 A21
G5 D12
VSS4 A22
E7
A23
D9 C11
VPP A24
R104 R111
100K 100K
C126 C116 C129
1u 1u 0.1u R112 R107
100K 100K
ON BOARD ARM9 JTAG & ETM INTERFACE
1V8_VDD
CN101
R122
G1 G2
PWRON
100 UART_RX TP107
1 30
UART_TX TP104 2 29
R120
ZD101 3 28
PWRON TP106
100K 4 27
NTRST
5 26
TDI
6 25
TMS
7 24
TCK
8 23
9 22
TDO
10 21
NRESET
11 20
12 19
13 18
14 17
15 16
G3 G4
R127
AXT430164
F_MODE
10K
R126
100K
(NOT MOUNTED) CN101 : SW DEBUG
(FOR SW DEBUGGING / NOT MOUNTED)
ON BOARD ARM9 JTAG & ETM INTERFACE
ON BOARD UART/USB INTERFACE
BACKUP BATTERY UART PORT
(SUPER CAP)
VRTC VBUS_USB
UA101
R124 10 L101 18n
3G 2.5G
F_VIB
1
GND GND
2
RX RX UART_RX
C133 C132 3
TX TX UART_TX
4
33p 1u VCHAR NC1
R125
5
ON_SW ON_SW F_MODE
6.8K 6
VBAT VBAT
7 SIGNAL CHECK
PWR NC2
8
URXD NC3
C147 9
UTXD NC4
1u
10
DSR
11
RTS
12
CTS
5 4 3 2
1
L
K
J
AD00
AD01
AD02
AD03
AD04
AD05
AD06
AD07
AD08
AD09
AD10 I
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
H
G
F
F_CAM_PCLK
F_CAM_DATA7
F_CAM_DATA6
F_CAM_DATA5
F_CAM_DATA4
F_CAM_DATA3
F_CAM_DATA2
F_CAM_DATA1
F_CAM_DATA0
E
F_CAM_VSYNC
D
VBAT C
B
A
1
LGE Internal Use Only