LG KM380c Service Manual
Service Manual
Model : KM380c
Service Manual
KM380c
Date: May, 2008 / Issue 1.0
Internal Use Only
Z3X-BOX.COM
- 99 -
8. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
KDR331V
3
D100
A1
A19
W19
NC1
NC2
NC3
DSPOUT0
USART0_CTS_N
J5
K10
JACK_DET
MM_RESET
2
1
VRTC_2V0
C125
0.1u
D18
E18
VSS_RTC
VDD_RTC
DSPIN0K5DSPIN1
BL1_PWM_VSENSE1
BL2_PWM
H5
E10
D10
CLK32K
VIB_CTRL
KP_OUT(4)
LCD_BACKLIGHT_EN
9
VSS_FLASH
FLASH_SINK
BL3_PWM
E7
E6
E8
KEY_BL
KEY_BL_EN
VCHG_OVP
VBUS_OVP
EBU_AD10
EBU_AD11
EBU_AD12
EBU_AD13
EBU_AD14
EBU_AD15
EBU_WR_N
EBU_RD_N
EBU_BC0_N
EBU_BC1_N
EBU_CS0_N
EBU_CS1_N
EBU_CS2_N
EBU_CS3_N
EBU_ADV_N
EBU_RAS_N
EBU_CAS_N
EBU_WAIT_N
EBU_SDCLKO
EBU_SDCLKI
EBU_BFCLKO
EBU_BFCLKI
FCDP_RBN
RESET2_N_VSENSE2
ON_OFF_SCAN_RESET
LPBCK_ECHO
PO_RESET_N_SCAN_OUT2
E9
C9
D9
D8
DNI
C144
EBU_AD0
EBU_AD1
EBU_AD2
EBU_AD3
EBU_AD4
EBU_AD5
EBU_AD6
EBU_AD7
EBU_AD8
EBU_AD9
EBU_A0
EBU_A1
EBU_A2
EBU_A3
EBU_A4
EBU_A5
EBU_A6
EBU_A7
EBU_A8
EBU_A9
EBU_A10
EBU_A11
EBU_A12
EBU_A13
EBU_A14
EBU_A15
EBU_A16
EBU_A17
EBU_A18
EBU_A19
EBU_A20
EBU_A21
EBU_A22
EBU_A23
EBU_A24
EBU_CKE
OSC32K
RESET_N
A_GND
VREF1
VREF2
10
12 16
1311
14
15
BACKUP BATTERY
2V 0.5mAh
VRTC_2V0
4.7K
R104
BAT100
R14
TP101
W18
V18
W17
T15
U14
V17
T14
R13
W16
V16
U12
W15
W14
V15
W13
N18
P19
N19
P15
H19
J17
K16
G18
L16
J19
J16
K17
K18
L17
K15
L18
M16
J18
M18
N15
L15
L19
M15
M19
H18
R16
N17
T19
U17
R17
R19
T17
P18
R18
K19
N16
U18
U19
U15
P17
U16
T18
F18
E19
F32K
D19
F19
B5
IREF1
B6
A6
L3
L4
IREF2
C141
R122
22K
220n
DATA(0:15)
DATA(0:7)
_WR
_RD
_BC0
_BC1
ADD(0:24)
FLASH1_CS
SDRAM_CS
nCS1
_RAS
_CAS
SDCLKO
SDCLKI
CKE
FCDP
DNI
C138
C142
R123
1u
100K
PO_RESET
M_RESET
PWRON
M_RESET
nRESET
VSD2_1V8
FCDP
3.3K
R112
X101
12
32.768KHz
C139
18p
C140
18p
DATA(0:15)
TP514
SDRAM_CS
R107 22
SDCLKI
R108 22
TP518
SDCLKO
TP519
CKE
_WR
ADD(13)
ADD(14)
_RAS
_CAS
_BC0
_BC1
DATA(0)
DATA(1)
DATA(2)
DATA(3)
DATA(4)
DATA(5)
DATA(6)
DATA(7)
ADD(16)
ADD(17)
TP516
_RD
_WR
TRST_N
TDI
TMS
TCK
RTCK
TDO
_EXTRST
FLASH1_CS
3.3K
R111
R113
100
C132
22p
A2
A9
DATA(0)
DATA(1)
DATA(2)
DATA(3)
DATA(4)
DATA(5)
DATA(6)
DATA(7)
DATA(8)
DATA(9)
DATA(10)
DATA(11)
DATA(12)
DATA(13)
DATA(14)
DATA(15)
A10
B3
DNU1
DNU2
DQ0
C4
DQ1
C3
DQ2
D4
DQ3
D3
DQ4
E4
DQ5
E3
DQ6
F4
DQ7
J4
DQ8
K3
DQ9
K4
DQ10
L3
DQ11
L4
DQ12
M3
DQ13
M4
DQ14
N3
DQ15
E9
_CS
H4
CLK
G8
CKE
F8
_WED
D7
BA0
D8
BA1
E7
_RAS
F7
_CAS
G3
LDQM
H3
UDQM
J5
IO0
L5
IO1
J6
IO2
L6
IO3
J7
IO4
L7
IO5
J8
IO6
L8
IO7
C6
_CE
D5
ALE
C5
CLE
E5
_RE
E6
R__B
D6
_WE
F5
_WP
NC7
G4
G5
EXT_RESET
VIO_2V62
R118
_EXTRST
PO_RESET
ON BOARD ARM9 JTAG
VSD2_1V8
P2
B1
B10
N1
N10
P1
DNU3
DNU4
DNU5
DNU6
DNU7
DNU8
U100
K5D1G12ACE-D075
NC10
NC11
NC12J3NC13
NC8
NC9
H5
H6
K5
K6
G6
VRTC_2V0
100K
U101
1
3
CN100
G1 G2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
G3 G4
B2
B7
P9
P10
B9
F3
F6
NC1
NC2
NC3E8NC4
NC5
NC6
TP100
DNU11
NC16
NC17
M5
TC7SH08FS
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
C7
A0
C8
A1
C9
A2
B8
A3
M9
A4
L9
A5
K9
A6
J9
A7
H7
A8
H8
A9
D9
A10
H9
A11
G7
A12
B4
VDD1
G9
VDD2
H2
VDD3
M2
VDD4
D2
VDDQ1
F2
VDDQ2
K2
VDDQ3
C2
VSS1
F9
VSS2
G2
VSS3
N4
VSS4
E2
VSSQ1
J2
VSSQ2
VSD2_1V8
L2
VSSQ3
B6
VCC1
N7
VCC2
N6
VCCQ
B5
VSS5
N5
VSS6
N8
VSS7
NC18
NC19
NC20
NC21
NC22
N2
N9
M6
M7
M8
4
nRESET
2V8_VMM
MM_TRST_N
MM_TDI
MM_TMS
MM_TCK
MM_RTCK
MM_TDO
MM_RESET
DNU9
DNU10
NC14
NC15
K7
K8
5
VCC
GND
2
ADD(0)
ADD(1)
ADD(2)
ADD(3)
ADD(4)
ADD(5)
ADD(6)
ADD(7)
ADD(8)
ADD(9)
ADD(10)
ADD(11)
ADD(12)
C131
470n
VSD2_1V8
ADD(0:12)
VSD2_1V8
C129
C130
470n
220n
OJ100
A
B
C
D
E
F
C
D
OJ101
E
T6
VDDDIG
CIF_D3
CIF_D4
T13
R11
CAM_D(3)
CAM_D(4)
VRF3_2V85
L100
47nH
C114
0.1u
P4
VDDMS
CIF_D5
CIF_D6
V13
R12
CAM_D(5)
CAM_D(6)
V7
W6
VDDXO
VDDPLL
CIF_D7
CIF_PCLK
T11
W12
CAM_D(7)
CAM_PCLK
VVIB_2V8
L1
VDDRX
CIF_HSYNC
V12
V11
CAM_HS
5
VAUDIO_2V5
C105
2.2u
CIF_VSYNC
CLKOUT2
U11
W11
CAM_VS
CAM_CLK
VBT_2V9
C100
2.2u
E3
E1
E2
VAUDIO
VSS_AUDIO
VBAT_AUDIO
KP_IN1
CIF_PD_GPIO
CIF_RESET_GPIO
A17
W10
CAM_PD
CAM_RST
BT_RESET
76
VUSB_3V1
1u
B8
VSIM
VBAT_LDO2
D6
A3
VSS_LDO2
B3
B4
VRF2B1VRF3
VPLL
0.47u
C103
VRF3_2V85
A2
VRF1
VDD_RF2PLL
VBAT
VRF1_2V85
C117
2.2u
B2
VBAT_RF13
C104 2.2u
C3
VSS_LDO3
C101
1u
C102
1u
VIO_2V62
C592
C121
1u
A8
C7
B7
D12
E11
C10
A7
D11
C6
E12
VIO
VVIB
VLED
VUSB
VAUX
VMMC
VSS_LDO1
VBAT_LDO1
VBAT_BSW_USB_MMC
C107
1u
C122
1u
N2
M2
VSSRF2N3VSSRF3P2VSSRF4R2VSSRF5T2VSSRF6
VSSRF1
VPLL_1V5
VBAT
VRF2_1V5
C115
1u
VSIM_2V9
C123
220n
U6
V2
VSSRF7U2VSSRF8U3VSSRF9
VSSRF10V4VSSRF11
U102
PMB8888
Z3X-BOX.COM
VSS_MONO
VMIC
VBAT_MONO
MIC2_N
KP_IN2
B16
B17
KP_IN(2)
KP_IN3
KP_IN4
D17
B15
KP_IN(3)
KP_IN(4)
KP_IN5
KP_IN6
K12
C14
KP_IN(5)
KP_IN(6)
KP_OUT0
KP_OUT1
KP_OUT2
D13
C15
D14
KP_OUT(0)
KP_OUT(1)
KP_OUT(2)
KP_OUT3
G2
SPK_N
KP_OUT(3)
EP_P
F2
SPK_P
EP_CMK2EP_N
HS_N
J2
RCV_N
K3
HS_P
F1
RCV_P
MIC1_N
G1
MIC_N
MIC1_P
J1
H1
MIC_P
HS_MIC_N
I2C_SDA
I2C_SCL
MIC2_P
L2
MICBIAS
HS_MIC_P
E4
VIO_2V62
D1
R126
MONO_OUTN
MONO_OUTP
C2
D3
D2
2.2K
MONO_INN
MONO_INP
C1
R127
I2S1_CLK0
J12
2.2K
I2S1_CLK
I2S1_RX
E14
D15
I2S1_RX
C119
100p
C126
0.1uF
UART_BT_RTS
UART_BT_CTS
CHG_EN
PA_MODE_2
HOOK_DET
R115 9.1K
R117 10K
SIM_IO
SIM_CLK
SIM_RST
VSD2_1V8
C137
10u
22u
C135
UART
1
RX
2
3
TX
4
5
RPWON
6
7
VBAT
8
9
10
11
12
RF_TEMP
L104
10uH
UART_RX
UART_TX
RPWRON_EN
VSUPPLY
C120
0.1u
C127
0.1uF
BAT_ID
LOAD
LCD_ID
2
VRF3_2V85
C108
22p
TP105
D102
C128
0.1uF
TP102
R120
KDS160E
VCHG
L10
M10
VSS_MAIN_2
VSS_MAIN_3
DIF_D7
DIF_D6
F16
H15
DIF_D(6)
DIF_D(7)
0.1u
C112
J8
VSS_MAIN_4L8VSS_MAIN_5
DIF_CD
DIF_CS1
DIF_CS2
K8
C17
K11
DIF_RS
DIF_CS
EHI_INT
VRF1_2V85
V19
F3
VDDP_EBU_1
DIF_RD
DIF_WR
J9
F15
H10
DIF_RD
DIF_WR
4
H2
K1
K4
VSS_EP
VSS_MS
AGND_MS1
DIF_HD
DIF_RESET2_GPIO
DIF_VD
F17
H16
EOC
LCD_VSYNC
JACK_DET_3.5
VRF3_2V85
C113
10n
W4
AGND_MS2
V14
T3
W5
VDDTX
VDDTRX
VDDVCO
CIF_D0
CIF_D1
CIF_D2
T12
U13
CAM_D(1)
CAM_D(2)
CAM_D(0)
3
VRF3_2V85
VRF3_2V85
L101
L102
47nH
47nH
C110
0.1u
L11
M11
VDD_MAIN_1
VDD_MAIN_2
DIF_D0
DIF_D1
E17
G15
DIF_D(0)
DIF_D(1)
L9
M9
VDD_MAIN_3
VDD_MAIN_4
DIF_D2
DIF_D3
C19
G17
DIF_D(2)
DIF_D(3)
L12
DIF_D4
C18
G16
DIF_D(4)
C111
10n
VSS_MAIN_1
DIF_D5
DIF_D(5)
C109
100p
H3
M0
J3
M1
G4
M2
H4
M7
G3
M8
J4
M9
F4
M10
W3
TX2
V3
TX1
W2
RX1
V1
RX1X
U1
RX2
T1
RX2X
R3
PABIAS
R4
PABS
R1
RX3
T5
VDET
U5
PAMODE
P1
RX3X
N4
FE1
P5
FE2
M3
PAEN
N1
RX4
P3
VRAMP
M1
RX4X
A18
T_OUT3
J10
T_OUT4
H11
T_OUT5
E13
T_OUT6
B19
T_OUT7
K9
T_OUT8
G19
CLKOUT0
U4
REFR
W7
XOX
W8
XO
V10
CC_IO
U9
CC_CLK
V9
CC_RST
U10
MMCI_CMD
R8
MMCI_DAT0
R10
MMCI_CLK
T9
MMCI_DAT1
R9
MMCI_DAT2
T10
MMCI_DAT3
T8
TDO
T7
TDI
U8
TMS
V8
TCK
W9
TRST_N
R6
RTCK
10K
N5
TRIG_IN
L5
MON1
M5
MON2
R7
FSYS3
U7
FSYS2
A14
VBAT_SD1
A15
VSD1
A13
SD1_FB
C11
SD2_SD1_SUBST
A12
VSS_SD1
A16
SD1_FBL
A11
VBAT_SD2
A10
VSD2
B9
SD2_FB
B10
SD2_FBL
A9
VSS_SD2
C12
SU_GATE
B14
SU_GND
B11
SU_FB
B13
SU_ISENSE
B12
VBAT_SU
C13
VSS_SU
1
A
B
VRF2_1V5
VSD2_1V8
VSD1_1V5
VBAT
C
R105
390K
4.7K
R110
R109
100K
TXHB
TXLB
GSM850_RXP
GSM850_RXN
GSM900_RXP
GSM900_RXN
PA_BAND
DCS1800_RXP
D
DCS1800_RXN
VC1
VC2
PA_EN
PCS1900_RXP
TX_RAMP
PCS1900_RXN
E
VBUS_OVP
26MHzX100
4
3
GND2
HOT2
2
1
GND1
HOT1
NX3225SA
RPWRON
uSD_DET_CTRL
LCD_RESET
VIO_2V62
BT_INT
FLIP_OPEN
HOLD
TDO
TDI
TMS
TCK
TRST_N
1K
RTCK
R119
VBAT
26MHZ_BT
L103
10uH
D101
KDS160E
C136
10u
UT100
3G 2.5G
GND
GND
RX
RX
TX
TX
NC1
VCHAR
ON_SW
ON_SW
VBAT
VBAT
NC2
PWR
NC3
URXD
NC4
UTXD
DSR
RTS
CTS
F
VSD1_1V5
C
22u
C134
D
E
F
V5
VSSRF12
I2S1_TX
I2S1_WA0
J11
I2S1_TX
I2S1_WA0
C124
1u
W1
VSSRF13V6VSSRF14
I2C_SCL
F5
G5
A4
I2C_SDA
C1060.1uF
VBAT
C4
C5
CH_GATE
SENSE_IN1D5SENSE_IN2
CH_SOURCE
USIF_TXD_MTSR
USIF_RXD_MRST
USIF_SCLK
H9
E16
C16
UART_BT_TX
UART_BT_RX
BT_VCXO_EN
8
C118
D7
A5
C8
VDD_REF
VDDCHARGE
CHARGE_UC_SCAN_IN1
USART0_RXD
USB_DMINUS
USB_DPLUS
P16
B18
M17
UART_RX
USB_BB_DP
USB_BB_DM
VRTC_2V0
0.1uF
M4
VDD_FUSE_FS
USART0_RTS_N
USART0_TXD
J15
H17
uSD_DET
UART_TX
1
2
3
4 6
5
7
8
9
- 100 -
8. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1
2
VSD2_1V8
VBAT
2V8_DAC
2V8_DAC
A
C213
1u
CODEC_MCLK
CODEC_BCLK
CODEC_DIN
CODEC_DOUT
CODEC_LRC
R524
C215
0
0.1u
B
DNI
SPK_N
FM_SND_L
SPK_N
FM_SND_R
SPK_P
SPK_P
I2C_SCL
I2C_SDA
C220
C221
C223
C224 1u
C225
DNI
C
C209
C211
C210
2.2u
2.2u
0.1u
C212
4.7u
A6
AVDD
A5
HPVDD
B2
SPKVDD
F6
DCVDD
G6
DBVDD
F5
MCLK
G5
BCLK
F4
DNC
F3
DACDAT
G4
DACLRC
E4
GPIO1
G2
GPIO3_BCLK2
G3
GPIO4_DACLRC2
G1
GPIO5_DACDAT2
D3
LIN1
C5
LIN2
R214
100K
C6
B6
D5
E5
D4
D6
F2
F1
E3
E2
LIN3_GPI7
LIN4_RXN
RIN3_GPI8
RIN4_RXP
RIN1
RIN2
CSB_ADDR
SCLK
SDIN
MODE
1u
1uC222
1u
SUB PMIC
VBAT
VBAT
VBAT
VBAT
VBAT
C234
C236
C235
1u
1u
1u
B4
A5
D
VBT_2V9
I2C_SCL
I2C_SDA
R229
R230
B3
EN_LDO1
A3
EN_LDO2
D4
EN_SW1
D2
EN_SW2
100K
C4
EN_T
B2
SCL
C2
SDA
DNI
VIN_LDO2
VIN_LDO12_1B5VIN_LDO12_2
LP3907TLX
GND_SW1C5GND_SW2
C1
E
U204
E3
AVDD
A1
VIN_LDO1
GND_C
D3
B1
GND_L
E5
VIN1E1VIN2
SW1
FB1
SW2
FB2
LDO1
LDO2
NPOR
3 6 10
4
Stereo DAC & AMPStereo DAC & AMP
WM8959U201
B3
HPGND
A3
AGND
E6
DGND
SPKGND
VMID
MICBIAS
LOP
LON
LOUT
ROUT
OUT3
OUT4
SPKP
SPKN
ROP
RON
VBAT
1u
1u
C231
C230
L202
2.2uH
D5
E4
2.2uHL203
D1
E2
C241
10u
A2
A4
C3
C243
C244
470n
470n
C216
C238
1u
C226
C217
2.2u
0.1u
C218 100u
HSO_3.5_VMID
SPK_AMPP
SPK_AMPN
C227
47p
47p
100uC219
10K
R526
R525
HSO_3.5_L
HSO_3.5_R
HSO_R
HSO_L
10K
B1
C3
A2
D1
TP200
C2
L200
100nH
B4
B5
L201
100nH
A4
C4
A1
C1
TP
E1
D2
VBAT
C237
1u
1V2_VMM
Z3X-BOX.COM
2V8_DAC
C242
10u
3V3_VMM
2V8_VMM
uSD_DET
uSD_D1
uSD_D0
uSD_CLK
uSD_CMD
uSD_D3
uSD_D2
VIO_2V62
R231
R201
C245
1000 pF
5
VSD2_1V8
1
2
3
NLAS4157DFT2G
150
2V8_VMM
USB_MM_DP
USB_MM_DM
1.5K
MM_RESET
uSD CARD
56K
100K
R232
R233
2V8_VMM
3V3_VMM
U200
B1
GND
B0
R204
47K
R213 10K
R215 1.5K
1% Resistor
R216
56K
R234
C246
10p
VCC
47K
6
S
5
4
A
R203
R211 47K
TP206
R220
100
C232
15p
R235
R200
100K
47KR212
47K
1V2_VMM
R236
47KR202
47K
47KR205
47KR206
3V3_VMM
56K
A13
B13
M14
L14
L11
R237
C214
0.1u
A9
D8
B9
G5
A8
B8
A7
D6
H4
A6
B5
G4
B4
H2
G2
A5
B6
A4
D4
D2
B3
D1
K6
C200
220n
E6
E7
F5
E5
J4
F2
E2
P8
P1
P2
J1
GPIO_C0
GPIO_C1
GPIO_C2
GPIO_C3
GPIO_C4
GPIO_C5
GPIO_C6
GPIO_C7
GPIO_C8
GPIO_C9
GPIO_C10
GPIO_C11
GPIO_C12
GPIO_C13
GPIO_C14
GPIO_C15
GPIO_C16
GPIO_C17
GPIO_C18
GPIO_C19
GPIO_C20
GPIO_C21
GPIO_C22
GPIO_C23
GPIO_C24
GPIO_C25
GPIO_C26
GPIO_C27
GPIO_C28
BPEN
WKUP
NRESET
SDR_CKE
SDR_CKO
SDR_CSI
USB_DP
USB_DM
U_REXT
U_ATEST
C228
1800p
2V8_VMM
56K
C201
220n
C247
1u
C202
0.1u
P7
K14
P5
K10
VDD_RTC
VDDA_ADC
VDDAT_USB
C229
1800p
R224
3.9K
C239
S1 DM3AT-SF-PEJ
SWA
8
7
6
5
4
3
2
1
F13
P14
D10
VDD_GPA
VDD_GPB
VDDAC_USB
ADIN0
L1
N4
8p
SWB
GND
J2
VDD_MEM
VDD_GPCD
XI
ADIN1
J14
789
1V2_VMM
C205
C204
C203
2.2u
2.2u 220n
K1
K11
L7
H5
N3
N10
VDD_CO4
VDD_CO3
M1
VDD_CO5
VDDAD_PLL
J10
VDD_SDR
VDDD_USB
VDDQ_SDR
B7
VDD_CO1D7VDD_CO2
22n
L13
M13
VSSA_ADC
VSSAT_USB
VSSAC_USB
G11
P13
VSS_GPA
D9
K2
VSS_GPB
VSS_GPCD
C206
2.2u
D5
E4
VSS_CO1
VSS_CO2
VSS_MEM
H1
U202
TCC8720
XON7XTIN
XTOUT
TEST
FILTER0
FILTER1
L6
P6
N6
H14
X200
12
DSX321G(12MHz,8PF)
12MHz
A12
R222
GPIO_B0L8GPIO_B1
P9
4.7K
34
GPIO_B2
L5
N8
C240
GPIO_B3N2GPIO_B4P3GPIO_B5
GPIO_B6
P4
8p
GPIO_B7K5GPIO_B8
N1
K7
TP209
GPIO_B9
GPIO_B10
L9
N9
TP207
GPIO_B11
K8
C207
220n
L2
L4
VSS_CO3
VSS_CO4
GPIO_B12
GPIO_B13
L10
P10
USB_BB_DM
USB_BB_DP
C208
M2
N5
VSS_CO5
VSSD_PLL
GPIO_B14
GPIO_B15
P11
USB_DP
USB_DM
VVIB_2V8
N14
G10
F4
VSS_SDR
VSSQ_SDR
GPIO_B18
GPIO_B19
N11
N12
GPIO_B20
N13
GPIO_A0
GPIO_A1
GPIO_A2
GPIO_A3
GPIO_A4
GPIO_A5
GPIO_A6
GPIO_A7
GPIO_A8
GPIO_A9
GPIO_A10
GPIO_A11
GPIO_A12
GPIO_A13
GPIO_A14
GPIO_A15
GPIO_A16
GPIO_A17
GPIO_A18
GPIO_A19
GPIO_A20
GPIO_A21
GPIO_A22
GPIO_A23
GPIO_D0
GPIO_D1
GPIO_D2
GPIO_D3
GPIO_D4
GPIO_D5
GPIO_D6
GPIO_D7
GPIO_D8
GPIO_D9
GPIO_D10
TCK
TMS
TDO
RTCK
NTRST
CODEC_DIN
CODEC_DOUT
CODEC_MCLK
CODEC_LRC
CODEC_BCLK
VSSA_PLL
VSSD_USB
GPIO_B16K9GPIO_B17
P12
USB SWITCH
R227 22
R228 22
J11
DATA(0)
K13
DATA(1)
K4
DATA(2)
J5
DATA(3)
J13
DATA(4)
H11
DATA(5)
H10
DATA(6)
H13
DATA(7)
G14
DATA(8)
G13
DATA(9)
F11
DATA(10)
F14
DATA(11)
E11
DATA(12)
F10
DATA(13)
E14
DATA(14)
E13
DATA(15)
E9
E10
D14
B11
TP203
D13
B12
C13
C14
A3
A1
B2
B1
C1
C2
F1
E1
A14
B14
G1
TP521
B10
TDI
D11
A11
A2
A10
E8
1K
U503
NLAS7222C
1
D+
2
D-
VCC
3
_OE
GND
4
HSD1+
HSD2-
5
HSD1-
HSD2+
EUSY0362701(NLAS7222C)
R217
S
R209
ADD(4)
nCS1
_WR
VUSB_3V1
10
9
8
7
6
C569
0.1u
VSD2_1V8
47K
DATA(0:15)
R210
47K
uSD_D0
uSD_D1
uSD_D2
uSD_D3
uSD_CLK
uSD_CMD
uSD_DET_CTRL
MM_TDI
MM_TCK
MM_TMS
MM_TDO
MM_RTCK
MM_TRST_N
USB_SEL
EHI_INT
_RD
VSD2_1V8
R226
R529
100K
DNI
R219
120K
USB_SEL
USB_MM_DP
USB_MM_DM
A
B
100KR218
VBUS_USB
C
D
1 4
23
5
- 101 -
8. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
14
R308
ICVS0505500FR
VCHG
VA304
VA408
ICVS0505500FR
C319
1u
VA407
VIO_2V621.5K
R307
100K
VA303
VSUPPLY
FB301
FB302
FB303
FB304
FB305
L300
100nH
CN301
15
C300
24p
21
19
1
2
3
2 : Headset MIC
4
4 : HSO_L
5
5 : HSO_R
6
6 : USB+
7
7 : USB-
8
8 : JACK_D
9
10
9,10 : BATT
11
11 : R/ON
12
13
12,13 : CHG
14
14 : DSR
15
15 : VUSB
16
16 : D/ TX
17
17 : D/ RX
18
20
22
A
FM_ANT
B
C
D
E
F
VBUS_OVP
10
HOOK_DET
HS_MIC_N
HS_MIC_P
C311
27p
C334
0.1u
A
B
C
D
1
2V8_CAM_DVDD
E
F
1V8_CAM
C327
0.1u
CAM_D(0)
CAM_D(1)
CAM_D(2)
CAM_D(3)
CAM_D(4)
CAM_D(5)
CAM_D(6)
CAM_D(7)
2V8_CAM_AVDD
C328
0.1u
VBT_2V9
2
2V8_CAM_DVDD
30
PGND2
DGND2
21
PGND3
U302
DGND3
PGND
9
29
PGND4
AGND16AGND2
VOUT2
28
PGND5
17
1V8_CAM
7
6
NC2
C308
5
GND
1u
27
26
25
PGND6
PGND7
PGND8
20
PCLK
19
VSYNC
18
HSYNC
12
STANDBY
11
SCK
10
SDA
9
RESETB
7
MCLK
C322
DVDD
VDDIO
AVDD
10p
13
14
16
VBAT
U300
100K
R304
C307
1u
TP300
C329
0.1u
RT9011-MGPQW
1
VIN8VOUT1
2
EN1
3
EN2
4
NC1
32
31
PGND1
22
D0
23
D1
24
D2
1
D3
2
D4
3
D5
4
D6
5
D7
DGND1
8
15
FB306
2V8_CAM_AVDD
FB300
C309
1u
R315 100ohm
R316
100
C323
0.1u
4
5
6
1
234
CN300
7
Battery Connector & Current Monitor
VSUPPLY
C577
100p
R305
47mohm
R309
1K
VBAT
BAT_ID
C315
100p
C574
C576
2.2u
100p
U301
ZXCT1010E5TA
5
LOAD NC
4
VIN
83
1
2
GND
3
IOUT
C310
1u
LOAD
2.2K
R310
OVP CHARGING IC
CAM_PCLK
TP301
CAM_VS
TP302
CAM_HS
CAM_PD
I2C_SCL
I2C_SDA
CAM_RST
CAM_CLK
C325
C324
15p
10p
CHG_EN
VIO_2V62
EOC
VCHG
VBUS_USB
100K
R317
TP515
5.6K
R318
(1%)
U303 ISL9221
1
VDC
2
VUSB
3
_PPR
4
_CHG
5
_EN
6
IMIN
VDC_BYP
USB_BYP
13
PGND
12
11
BAT
10
9
IVDC
8
GND
7
IUSB
33K
R320
(1%)
VCHG_OVP
VBAT
R319
C333
C332
0.1u
0.1uF
16K
R596
DNI
119
VAUDIO_2V5
C301
100p
C304
0.1u
C305
0.1u
C312
27p
VIO_2V62
R301
100ohm
R303
R306
2.2K
C306
10u
12
100K
R300
C302
18K
4.7u
R302
C303
24p
100nHL301
C313
100p
USB_DP
USB_DM
JACK_DET
RPWRON_EN
UART_TX
UART_RX
24pC316
HSO_L
HSO_R
C321 24p
L303 100nH
100nHL302
VA305
47R313
47R314
VA306
VBUS_USB
13
10K
R311
47
VA300
VA302
VA301
C326
1u
3.5phi HEADSET
VIO_2V62
R321
100K
C343
47p
L308 100nH
L511
100nHL508
100nH
R528
C345
100nH
100nH
C
MAIN RECEIVER
RCV_P
RCV_N
C570
C571
47p 47p
47p
C339
C338
47p
Close to U102
D
VA307
L309 100nH
VA308
ICVN0505X150FR
ICVN0505X150FR
100nHL306
OUT300
OUT301
VSIM_2V9
R325
10K
Z3X-BOX.COM
J301
8
9
GND3
GND2
7
10
GND1
GND4
6
3
C7
C3
2
5
C2
C6
1
4
C1
C5
C346
22p
SIM_CLKSIM_IO
SIM_RST
C348
C347
150p
0.1u
JACK_DET_3.5
HSO_3.5_L
HSO_3.5_R
HSO_3.5_VMID
C342
47p
3.5phi
C
J302
7620-3_5G-DB1-A
L510
100nH
L312
100nH
C344 1000p
L509
100nH
24p
L313
C594
47p
FM_ANT
D
SPK
E
F
SPK_AMPP
SPK_AMPN
1
L314 56nH
C349
100p
C350
47p
56nHL315
C351
EVLC18S02015
47p
3
VA310
EVLC18S02015
VA309
CN302
2
1
VIBRATOR
U304
R327
VIB_CTRL
4
5
67
SUY98005LT1G
1
VIN
R328
L316
3
1K
VOUT
R329
2
GND
100K
100nH
10
82
VBAT
VB300
1
+
2
C593
CN303
C352
0.1u
2.2u
-
1u
9
E
- 102 -
8. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1
MIC
A
B
MIC
MIC_P
MIC_N
L402 100nH
LCD_Connector
5G110
G2
INOUT_A4
LCD_VSYNC
C
D
DIF_CS
DIF_RS
DIF_WR
INOUT_B4
6
INOUT_A3
INOUT_B3
7
INOUT_B2
INOUT_A2
8
INOUT_B1
INOUT_A1
9
FL400
ICVE10184E150R101FR
8 BIT
16 BIT
9 BIT
MODE1
2
MICBIAS
100nHL401
27p
C403
4
3
2
1
H
L
H
C401
22n
C402
22n
VA401
C404
27p
MLED_A
MLED_C1
MLED_C2
MLED_C3
MLED_C4
MLED_C5
DIF_RD DIF_D(4)
MODE2
L
L
H
VA400
ICVS0505500FR
CN402
G1 G2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 21
G3 G4
AXT540124
ICVS0505500FR
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
C400
DNI
C405
100p
VIO_2V62
MODE2
MODE1
C407
1u
C406
10u
3
L400
LCD_ID
100nH
VIO_2V62
R423
6
7
8
9
1
2
3
4
R430
100K
FL401
INOUT_B4
INOUT_B3
INOUT_B2
INOUT_B1
INOUT_A1
INOUT_A2
INOUT_A3
INOUT_A4
FL402
100
1
2
3
4
5
6
MIC400
OUT
G1
G2
G3
PWR
G4
SPM0204LE5-QB
10
G15G2
INOUT_A4
INOUT_A3
INOUT_A2
INOUT_A1
INOUT_B1
INOUT_B2
INOUT_B3
INOUT_B4
G110G2
5
C409
22p
LCD BACKLIGHT LED DRIVER
C411
1u
VBAT
C415
1u
E
LCD_BACKLIGHT_EN
U401 MAX8630W
6
2
3
IN
1
GND
9
CPWM
815
PWM
C416
0.1u
R536
100K
7
C1P
C1N
OUT
14
LED1
13
LED2
12
LED3
11
LED4
10
LED5
P_GND
C2N
C2P
4
5
1uC417
C414
1u
MLED_A
MLED_C1
MLED_C2
MLED_C3
MLED_C4
MLED_C5
4
KEY_BL_EN
ICVE10184E150R101FR
DIF_D(7)
4
DIF_D(6)
3
DIF_D(5)
2
1
9
DIF_D(3)
8
DIF_D(2)
7
DIF_D(1)
6
DIF_D(0)
ICVE10184E150R101FR
LCD_RESET
8
1
400
2
405
3
409
4
5
6
401
7
406
8
410
9
412
416
413
0
417
R593
100K
VBAT
100ohm
R403
LD400SSC-TWH104-HL
SSC-TWH104-HL LD401
100ohmR404
200
R406 200
R405
LD403SSC-TWH104-HL
SSC-TWH104-HL LD402
5
KEY LED
200
200
100ohmR409
R408
R407
LD404SSC-TWH104-HL
LD406SSC-TWH104-HL
LD405SSC-TWH104-HL
200
200
R411
R410
R412 100ohm
LD408SSC-TWH104-HL
LD407
SSC-TWH104-HL LD409
SSC-TWH104-HL
200
200
200
R598
R413
R414
LD410SSC-TWH104-HL
LD412
SSC-TWH104-HL
SSC-TWH104-HL LD411
6
200
240
R600
R599
LD414
LD413
SSC-TWH104-HL
SSC-TWH104-HL
SSC-TWH104-HL
R601 240
LD415
KEY PAD
KP_OUT(0)
KP_OUT(1)
KP_OUT(2)
KP_OUT(3)
KP_OUT(4)
KP_IN(2)
KP_IN(3)
KP_IN(4)
KP_IN(5)
KP_IN(6)
7 9
R400
150
R401
150
R402
150
R415
150
R416 150
150R417
R418 150
150R419
150
R420
150R421
SIDE_KEY_MODE/END
SIDE_KEY_VOL
4
3
2
1
VA404
CN400
ICVS0505500FR
CN401
R424
150
KP_OUT(1)
VA403
ICVS0505500FR
150R426
KP_IN(6)
5
4
3
VBAT
2
1
VA402
END
ICVS0505500FR
Remote Power On
SIDE_KEY_HOLD
L513
3
2
1
CN403
L512
Z3X-BOX.COM
100nH
HALL EFFECT S/W
VIO_2V62
C412
0.1u
100nH
D303
PRSB6.8C
BU52031NVX U400
4
VDD
3
NC
10KR429
resistor
R592
PGND
100K
5
OUT
GND
VIO_2V62
HOLD
100KR437
RPWRON_EN
R431
330K
2K
R535
RPWRON
100K
R534
END_KEY_IN
FLIP_OPEN
C413
0.1u
1
2
C410
10u
Q400
EMX18
R434
3.3M
VRTC_2V0
2K
R432
25631
4
AST(*)
SHP(#)
MENU(F1)
BACK(F2)
CLR
VA405
ICVS0505500FR
PWRON
402
407
411
414
418
R427 150
VA406
ICVS0505500FR
END
MULTI
RIGHT
150R425
150R428
R435
10K
SEND
MULTI
LEFT
MULTI
UP
MULTI
DOWN
10
KB400
100K
415
419
KP_OUT(3)
KP_OUT(4)
KP_IN(6)
R436
MULTI
OK
403
408
404
A
MODE
END
VOLUME
UP
VOLUME
DOWN
VOLUME UP
VOLUME DOWN
END_KEY_IN
KP_IN(6)
KP_OUT(2)
C
D
1 6
2
3
4
5
7
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