Date: June, 2008 / Issue 1.0
Service Manual
Model : KF390
Service Manual
KF390
Internal Use Only
- 131 -
LGMC
HIGH GSM850
D
15
8
E
16
MODE
B
A
C
ON
C
4
GSM(925-960 MHz)
GSM_PA_BAND
GSM900
E
PCS(1930-1990 MHz)
GSM
HIGH
LG(42)-A-5505-10:01
TCXO
DCS/PCS
LG Electronics Inc.
F
1
14
GSM_PA_EN
MODE
LOW
C
A
DCS(1805-1880 MHz)
PLACE RTR BLOCK
WCDMA
GSM_SAW_SW_MODE
5
WCDMA LNA Circuit
E
D
B
3
OFF
BLUETOOTH
GSM(869-894 MHz)
F
1
9
2
F
E
6
HIGH
D
GSM/EDGE
PA STATE
2
4
C
LOW
7
LOW
5
D
C1067
2.2p
C1006
1000p
0.1uC1023
C1013
C1031
2.2p
0.5p
2.2p
C1106
VREG_BT_2.85V
DNI
C1002
12K
R1008
22pC1009
1000p
C1062
L1019
0.5p
51
R1025
68p
4.7u
C1080
1KR1017
C1059
C1033
2.2p
10u
C1075
C1068
0.01u
1nH
L1013
3.9nH
L1011
C1020 22p
0.01uC1014
L1034
1nH
1000p
C1096
L1022
3.9nH
C1091
+VPWR
0R1006
2.2u
C1103
2.2nH
R1024
82
C1111
68p
1000p
VDD_BAT
14
VDD_INT
2
VDD_MSM
10
XTAL_IN
7
C1063
ANT
16
9
CLK_REF
1
GND16GND28GND315GND417PGND118PGND2
PGND3
19
20
PGND4
RX_BB_TX_BB
13
SBCK
11
12
SBDT
SBST
4
5
SYNC_DET_TX_EN
3
VCC_OUT
M1000
LBRQ-2B43A
33p
C1074
C1007
68p
NA
L1035
R1023
82
1u
VREG_RF_2.85V
C1090
22p
C1032
22pC1022
C1077
100ohm
R1007
DNI
C1086
8.2nH
C1035
SFSY0028101
SAFEB1G95KA0F00
FL1006
2
G15G2
G3
3
1
IN4OUT
DNI
C1010
2.2K
100p
R1016
PCS_RX2
19
7
VDD
WCDMA_1900
22
20
WCDMA_2100
21
WCDMA_850
100p
C1016
CTRL35CTRL4
6
14
EGSM_RX1
EGSM_RX2
15
GND1
1
GND2
8
GND3
10
GND4
23
24
GND5
11
GSM850_EGSM_TX
GSM850_RX1
12
GSM850_RX2
13
PCN_PCS_TX
9
PCN_RX1
16
17
PCN_RX2
18
PCS_RX1
VREG_W_PA
FL1000
D5015
2
ANT
3
CTRL14CTRL2
L1002
VREG_VDDA1_2.7V
NA
100ohmR1015
4.7uC1053
C1045 0.1u
30
R1003
C1050 4.7u
0.5p
R1019
L1025
100p
100K
C1029
C103933p
C1043
L1026
5.6nH
0.1u
2.7nH
L1037
C1094 0.1uF
R1012
40
1nH
DNI
L1014
C1040
3.3nH
L1007
15pC1102
1000pC1089
68p
C1099
C1001
DNI
1p
L1009
1nH
L1017
100p
C1061
C1034
33p
L1023
NA
L1020
1.5nH
5.1R1011
C1021 0.1u
R1021
0
2
45
31
VREG_MSMP_2.7V
Q1001
KRX102E
C1058
33p
VMODE_PCS
24
VREG_CELL
3
1
VREG_PCS
0.1u
C1082
18
NC7
PGND
25
5
RFIN_CELL
2
RFIN_PCS
RFOUT_CELL
14
RFOUT_PCS
16
6
VCC1_CELL
VCC1_PCS
22
VCC2_CELL1
9
10
VCC2_CELL211VCC2_CELL3
21
VCC2_PCS120VCC2_PCS2
VCC2_PCS3
19
23
VCC_BIAS
VMODE_CELL
4
RF5184
U1003
NC1
7
8
NC2
NC3
12
13
NC4
15
NC5
17
NC6
GND1
2
3
GND2
GND3
4
6
GND4
GND5
8
1
RFINRFOUT
5
7
VC
0.1u
LMSM32AA-533 FL1001
C1055
15nH
L1006
0.1uF
C1066
VREG_RF_2.85V
VREG_VDDA2_2.1V
L1027
NA
100p
R1030
C1005
VREG_RF_2.85V
5.6nH
C1071
C1076
33p
82
1000p
R1022
C1064
0.01u
C1065
15p
2200p
C1049
C1087
1nH
0.1u
L1018
2nH
L1012
1u
C1030
2
45
31
AN1004
AMAN802012LG13
FEED
GND1
GND2
KRX102E
Q1002
AN1002
1.8nH
L1030
22pC1042
7
NC3
NC4
8
OUTPUT
3
VCC
41
VCONT
2.2p
C1027
X1000DSA321SCE-19.2M
GND
2
5
NC1
NC2
6
R1014
AN1000
100ohm
VBATT
4
VRAMP
5
100pC1048
TQM7M5012
U1001
BAND_SELECT
2
DCS_PCS_IN
1
11
DCS_PCS_OUT
GND1
7
GND2
12
8
GSM_IN
9
GSM_OUT
6
NC1
NC2
10
TX_EN
3
180
R1005
C1093
1u
C1017
1000p
4
100pC1070
SCDY0003901
LDC15836M20Q-360
U1002
COU
3
IN
2
OUT
1
TER
C1041
C1092
10p
4.7nH
L1016
33p
3
O2
4
FL1002
SAFEB2G14FA0F00
G1
2
G2
5
IN
1
O1
C1051 22p
0.1u
L1015
C1052
S3
VREG_RF_2.85V
+VPWR
4.7nH
SI8407DB-T2-E1
D1 D2
G
S1 S2
Q1000
VREG_RF_2.1V
R1020
1K
NA
L1033
56p
L1010
22pC1008
39p
C1069
TX
C1019 0.1u
FL1005 B7646
ANT
GND1
GND2
GND3 GND4
GND5
GND6
RX
C1095
22p
100p
C1018
34
WPRXSE2_OUT
C1084
5.6p
21
VDDA2_4
VDDA2_5
25
VDDA2_6
27
54
VDDA2_9
23
VDDM
VTUNE1
5
24
VTUNE229WB_MX_INM28WB_MX_INP
33
WPRXHBN
32
WPRXHBP
31
WPRXLBN
30
WPRXLBP
38
WPRXSE1
35
WPRXSE1_OUT
WPRXSE2
36
63
TX_IN
TX_IP
64
65
TX_QN
TX_QP
66
TX_RBIAS
68
VDDA1_1
3
4
VDDA1_2
6
VDDA1_3
10
VDDA1_4
22
VDDA1_5
VDDA1_6
53
VDDA2_1
1
VDDA2_10
60
61
VDDA2_11
62
VDDA2_12
VDDA2_2
7
NC2
9
NC4
15
16
NC5
17
NC6
NC7
18
19
NC8
37
NC9
52
PDET_IN
PGND
69
13
PRX_IN
14
PRX_IP
PRX_QN
12
11
PRX_QP
26
RF_ON
20
SBDT
TCXO
2
EGSM_INP
48
GCELL_INN
51
GCELL_INP
50
45
GPCS_INN
44
GPCS_INP
56
HB_RF_OUT1
58
HB_RF_OUT2
59
HB_RF_OUT3
55
LB_RF_OUT1
57
LB_RF_OUT2
NC1
8
39
NC10
NC11
40
41
NC12
42
NC13
NC14
43
RTR6280U1000
DAC_IREF
67
DCS_INN
47
DCS_INP
46
EGSM_INN
49
1p
R1018
2200p
C1110
27
R1001
R1000
200
2.2nH
L1036
1
4
O1
1.5nH
L1028
FL1003
EFCH836MTDB1
SFSY0030301
G12G2
3
G3
5
IN
C1024 22p
C1047
SW1000
KMS-507
ANT
G1
G2
RF
0.1u
R1010
1800
3.9nH
L1005
L1008
6.8nH
C1054
DNI
C1107
100p
C1046 100p
AN1003
C1000
22p
2.2p
120p
C1015
C1073
5.1R1013
C1003
18nH
L1021
2.2p
ANT
GND1
GND2
GND3 GND4
GND5
RX1
RX2
TX
FL1004 B7683
100p
C1079
C1072
0.1u
DNI
C1011
L1032
1.5p
C1057
0.1u
C1081
68p
C1056
15p
1u
C1060
15nH
L1003
C1036 22p
C1097 100p
SCDY0003801
LDC151G8820Q-359
U1004
COU
3
IN
2
OUT
1
TER
4
100pC1012
C1088
DNI
4.7uC1101
1.5nH
VREG_MSMP_2.7V
L1024
DNI
C1028
R1002
200
180
R1004
C1037
1nH
L1029
2.2p
56p
C1004
56pC1083
2200p
C1100
0.5p
C1078
C1109
33p
2.2uC1098
15p
100p
C1108
C1044
33p
C1105
2200p
C1038
18nH
L1000
L1031 2.7nH
C1025 0.1u
PA_ON1
BT_CLK
TX_IM
TX_IP
TX_QP
PA_ON0
PA_FET_N
RX_PCS_P
RX_PCS_M
RX_DCS_P
RX_DCS_M
RX_GSM_900_M
RX_GSM_900_P
RX_GSM_850_M
RX_GSM_850_P
ANT_SEL3
ANT_SEL2
ANT_SEL1
ANT_SEL0
TCXO_BT_PM
RX_W_2100
GSM_PA_BAND
GSM_PA_RAMP
WB_MIX_INP
WB_MIX_INM
RX_WCDMA_850_P
RX_WCDMA_850_M
PWR_DET
PDET_IN
PWR_DET
RX_W_2100_LNA_OUT
RX_WCDMA_850_P
RX_WCDMA_850_M
TX_W_2100_OUT
TX_DCS_PCS
PDET_IN
TX_W_2100_OUT
TX_W_850_OUT
TX_ON
SSBDT_RTR
TX_GSM
RX_GSM_850_P
RX_GSM_900_M
RX_GSM_900_P
RX_DCS_M
RX_GSM_850_M
RX_W_2100
GSM_SAW_SW_MODE
TX_W_850_OUT
DAC_REF
RX_IM
RX_IP
RX_QM
RX_QP
TX_QM
TCXO_RTR
RX_PCS_P
RX_PCS_M
RX_DCS_P
TX_DCS_PCS
TX_GSM
RX_W_2100_LNA_OUT
WB_MIX_INP
WB_MIX_INM
GSM_PA_EN
TRK_LO_ADJ
VREG_TCXO_2.85V
TCXO_PM
TCXO_RTR
BT_SBCK
BT_SBDT
BT_SBST
BT_TX_RX_N
BT_DATA
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 132 -
LGMC
PWR
URXD
UTXD
3G2.5G
GND
RX
TX
VCHAR
ON_SW
VBAT
4
USIM
D
C
5
B
SDRAM
4
11
D
9
1%
RESET
6
E
2
98
(VDD_DAC_REF)
10
MicroSD
LG Electronics Inc.
C
E
13
CLOCK
A
E
2
NAND & LCD
127
LG(42)-A-5505-10:01
CAMERA
10%
3
USB
14
6
UARTKEYPAD
HKADC
SDRAM
8
w18 (Analog VSS guard ring for CODEC)
C
16
7
F
1
(PLLOUT_TEST)
1
PMIC
(ADS signal for LCD)
1%
F
10%
5
F
A
3
15
C
B
10%
JTAG
D
E
D
C216
C237
0.1uF
0.1uF
TP202
10p
VREG_MSMA_2.6V
C228
0.1uF
C211
0.01u
C241
C232
VREG_CAM_AVDD_2.8V
1000p
0.1uF
C206
R210
C242
470
33nF
51 R204
C213
0.01u
VREG_MSMC_1.25V
Y6
XMEM1_CS_N3_SDRAM1_CS_N1_GPIO77
AA2
XMEM1_HWAIT_N
K8
XMEM1_LWAIT_N_SDRAM1_CAS_N
XMEM2_CS_N0
W14
AC15
XMEM2_CS_N1
XMEM2_CS_N2_GPIO35
W15
XMEM2_CS_N3_GPIO36
AA15
M6
UB1_N_SDRAM1_DQM1
AF10
UB2_N
N26
USB_DAT_VP
USB_OE_TP_N
N25
N19
USB_RX_DATA_GPIO29
N23
USB_SE0_VM
USB_XTAL48_IN
A10
USB_XTAL48_OUT
B10
R16
VDD_EF_USE
AE17
WDOG_EN
H25
WDOG_STB_SBCK1_GPIO0
WE1_N_SDRAM1_WE_N
U8
AF4
WE2_N
W6
XMEM1_CS_N0
XMEM1_CS_N1_GPIO76
AA1
XMEM1_CS_N2_SDRAM1_CS_N0
Y4
L13
TRK_LO_ADJ
TRST_N
H15
TX_AGC_ADJ
H13
H12
TX_ON_GRFC10
UART1_CTS_N_GPIO97
P16
M23
UART1_DP_RX_DATA_GPIO96
L26
UART1_DP_TX_DATA_GPIO95
UART1_RFR_N_PA_POWER_CTL_M_GPIO98
P21
UART2_CTS_N_GPIO90
G6
UART2_DP_RX_DATA_GPIO89
H6
UART2_DP_TX_DATA_GPIO88
E4
F4
UART2_RFR_N_GPIO91
L23
UART3_CTS_N_GPIO86
UART3_DP_RX_DATA_GPIO85
M21
M19
UART3_DP_TX_DATA_GPIO84
UART3_RFR_N_GPIO87
L25
SDRAM1_D5
J6
SDRAM1_D6
G2
H4
SDRAM1_D7
SDRAM1_D8
P4
J4
SDRAM1_D9
SLEEP_XTAL_IN
A16
SLEEP_XTAL_OUT
B16
SYNTH0_GP_PDM0_GPIO92
F18
SYNTH1_GPIO41
H23
SYNTH2_GPIO65
B6
D16
TCK
TCXO
D18
F19
TCXO_EN_GPIO94
TDI
D15
A17
TDO
F15
TMS
H18
SBST1_GPIO93
F25
SDCC_DAT1_GPIO99
SDCC_DAT2_GPIO100
M25
M26
SDCC_DAT3_GPIO101
SDRAM1_CLK_EN
N4
SDRAM1_D0
E2
SDRAM1_D1
D2
SDRAM1_D10
J2
SDRAM1_D11
K6
J1
SDRAM1_D12
K4
SDRAM1_D13
SDRAM1_D14
L8
SDRAM1_D15
L6
AB2
SDRAM1_D2
D1
SDRAM1_D3
SDRAM1_D4
AB4
W23
Q_IM_CH1
Q_IP_CH0
Y25
V23
Q_IP_CH1
Q_OUT
B12
Q_OUT_N
A12
F13
RESIN_N
F11
RESOUT_N
RESOUT_N_EBI1
AA4
L19
RINGER_GPIO18
G1
ROM1_ADV_N_SDRAM1_RAS_N
ROM1_CLK_SDRAM1_CLK
AB1
H16
RTCK
SBCK
L21
SBDT
J23
SBDT1_GPIO1
F26
H26
SBST
MIC2N
AF21
AF22
MIC2P
T15
MICBIAS
MMC_CLK_SDCC_CLK_GPIO31
M16
H14
MMC_CMD_GPIO30
MMC_DATA_SDCC_DAT0_GPIO32
L14
Y23
MODE0
U23
MODE1
MODE2
T21
NAND2_FLASH_READY_GPIO33
T14
V2
OE1_N
OE2_N
AF7
F17
PA_ON0
PA_ON1_GPIO2
H11
PA_POWER_CTL
P25
Q_IM_CH0
AA25
LINE_ON
AC18
AC17
LINE_OP
LINE_R_IN
AC20
AC19
LINE_R_IP
A23
MDDIC_DATN
MDDIC_DATP
A22
B23
MDDIC_STBN
MDDIC_STBP
B22
B19
MDDIH_DATN
MDDIH_DATP
B20
A19
MDDIH_STBN
MDDIH_STBP
A20
AD2
MDP_VSYNC_PRIMARY_GPIO105
MDP_VSYNC_SECONDA_GPIO104
AE3
AF20
MIC1N
AE20
MIC1P
I_IM_CH1
V25
I_IP_CH0
AC25
I_IP_CH1
W25
B13
I_OUT
A13
I_OUT_N
KEYSENSE0_N_GPIO62
R21
P19
KEYSENSE1_N_GPIO63
D14
KEYSENSE2_N_GPIO46
R23
KEYSENSE3_N_GPIO47
KEYSENSE4_N_GPIO48
U21
L2
LB1_N_SDRAM1_DQM0
AE10
LB2_N_A2_0
AF14
LCD_CS_N_GPIO38
LCD_EN_GPIO37
AE13
AC21
LINE_L_IN
LINE_L_IP
AC22
GRFC8_GPIO11
B4
GRFC9_GPIO12
D5
T19
GRFX6_GPIO9
AD26
GSM_PA_DAC_REF
HKAIN0
V21
AA23
HKAIN1
HKAIN2
W21
V19
HKAIN3
HKAIN4
Y21
AB23
HKAIN5
W17
HPH_L
HPH_R
AA17
HPH_VREF
AA19
I2C_SCL_GPIO27
N16
I2C_SDA_GPIO26
K21
I_IM_CH0
AB25
GPIO_68
V4
R11
GPIO_69
E1
GPIO_70
GPIO_71
Y1
Y2
GPIO_72
V6
GPIO_73
GPIO_74
W4
GP_PDM1_PA_RAN_GE0
H17
GP_PDM2_PA_RAN_GE1
D17
GRFC0_GPIO3
B8
GRFC1_AUX_SBDT_GPIO4
A8
GRFC2_GPIO5
D9
GRFC3_GPIO6
F10
H10
GRFC4_AUX_SBCK_GPIO7
GRFC5_AUX_SBST_GPIO8
D11
T23
GRFC7_GPIO10
G21
GPIO19
GPIO28
A6
F7
GPIO39
D6
GPIO40
GPIO42
D7
GPIO43
H9
D8
GPIO44
GPIO45
A4
F9
GPIO49B7GPIO50A7GPIO51
D10
GPIO52
GPIO53
L12
GPIO64
F14
GPIO66
F8
U6
GPIO_67
D2_12
AA9
D2_13
W10
AC9
D2_14
AA10
D2_15
AE4
D2_2
D2_3
AC6
D2_4
AE5
D2_5
AA7
D2_6
AF5
AC7
D2_7
AA8
D2_8
W9
D2_9
DAC_REF
F12
AE18
EAR1ON
AF18
EAR1OP
K26
GPIO17
CAMIF_DATA2_AUX_TRST_N_GPIO54
D21
C25
CAMIF_DATA3_AUX_TCK_GPIO55
D22
CAMIF_DATA4_AUX_TMS_GPIO56
CAMIF_DATA5_AUX_TDI_GPIO57
J19
L15
CAMIF_DATA6_AUX_TDO_GPIO58
D20
CAMIF_DATA7_GPIO59
CAMIF_DATA8_GPIO60
F16
CAMIF_DATA9_GPIO61
F20
CAMIF_HSYNC_GPIO15
E23
K23
CAMIF_PCLK_GPIO82
B3
CAMIF_VSYNC_GPIO16
AA20
CCOMP
AC5
D2_0
D2_1
AF3
D2_10
AC8
D2_11
AE7
K19
AUX_PCM_CLK_GRFC14_GPIO80
AUX_PCM_DIN_GRFC13_GPIO14
N21
G4
AUX_PCM_DOUT_GRFC12_GPIO103
J8
AUX_PCM_SYNC_GRFC11_GPIO102
BOOT_MODE
AE21
AE22
BOOT_MODE2
BOOT_MODE3
AD1
BT_CLK_GPIO25
G23
R19
BT_DATA_GPIO20
BT_SBCK_GPIO23
E26
E25
BT_SBDT_GPIO22
BT_SBST_GPIO24
F23
H21
BT_TX_RX_N_GPIO21
J21
CAMCLK_PO_GP_MN_GPIO13
J25
CAMIF_DATA0_GPIO83
CAMIF_DATA1_GPIO81
J26
AE14
A2_16
A2_17
AC14
T13
A2_18
A2_19
AA14
A2_2
AF9
A2_20_GPIO34
AF13
W11
A2_3
A2_4
AC10
A2_5
AA11
AC11
A2_6
A2_7
T12
A2_8
W12
AA12
A2_9
AUXIN
AF19
AUXIP
AE19
AA18
AUXOUT
A1_24_GPIO79
V1
A1_25_SDRAM1_DQM3_GPIO75
V8
A1_3M8A1_4
M4
N11
A1_5
A1_6
N8
N6
A1_7N2A1_8
A1_9
N1
A2_1
AE9
A2_10
AC12
A2_11
AE12
AF12
A2_12
A2_13
AA13
AC13
A2_14
W13
A2_15
A1_1
L1
A1_10
P1
P2
A1_11P6A1_12
A1_13
P8
P11
A1_14
A1_15
R4
R6
A1_16
A1_17
T1
T2
A1_18
A1_19
R8
A1_2
L4
A1_20
T4
A1_21
T6
A1_22
T8
A1_23_SDRAM1_DQM2_GPIO78
U4
MSM6280_A
U200-1
C235
TP204
TP201
1000p
0.1u
0.01u
C222
C240
0.01u
C208
0.1uF
1000p
C205
C236
R212 2.2K
R20651K
C218
1000p
C209
0.01u
TX
3
6
VBAT
2.2KR213
UART
12
CTS
10
DSR
GND
1
NC1
4
NC2
7
8
NC3
NC4
9
ON_SW
5
RTS
11
2
RX
R203
DNI
C202
4.7u
C226
2200p
C229
1000p
0.1uF
C223
100K
R201
TP203
47pC200
100K
R200
0.1u
C207
C230
1000p 0.1uF
C239C231
47p
1000p
C243
C244
0.01u
C212
47p
VREG_MSMP_2.7V
0.01u
C224
0.01u
C220
R20251K
0.01u
C221
0.01u
1000p
C219
C204
110
2
3
4567
8
9
G1G2
G3G4
CN200
C201 47p
C217
1000p
R211
R215 0
0.01u
470
C233
R207 47
C234
1000p
C227
VREG_USIM_2.85V
10p
C238
0.1uF
TP200
R20551K
100K
R209
A9
VSS_PAD3_3
0.1u
C245
AF16
VSS_DIG_5
T26
VSS_DIG_6
VSS_DIG_7
G26
VSS_DIG_8
D26
VSS_DIG_9
A24
F1
VSS_PAD1_0
K1
VSS_PAD1_1
VSS_PAD1_2
M1
VSS_PAD1_3
R1
VSS_PAD1_4
U1
AF6
VSS_PAD2_0
VSS_PAD2_1
AF11
VSS_PAD2_2
AF15
R26
VSS_PAD3_0
B17
VSS_PAD3_1
A15
VSS_PAD3_2
VSSA3
D13
VSSA4
D19
P26
VSSA5
U19
VSSA6
V26
VSSA7
VSSA8
W16
VSSA9
W18
AC23
VSS_DIG
C1
VSS_DIG_0
H1
VSS_DIG_1
VSS_DIG_10
A14
A11
VSS_DIG_11
A5
VSS_DIG_12
VSS_DIG_2
W1
VSS_DIG_3
AC1
AF8
VSS_DIG_4
AF25
VSS49
B1
VSS5
VSS50
AF26
VSS6
B2
B25
VSS7
VSS8
B26
D4
VSS9
VSSA1
A18
W26
VSSA10
AB26
VSSA11
VSSA12
AC16
AC26
VSSA13
VSSA14
AD25
VSSA15
AF23
AF24
VSSA16
A21
VSSA2
R13
VSS32
VSS33
R14
R15
VSS34
VSS35
T11
T16
VSS36
VSS37W8VSS38
W19
AA6
VSS39
VSS4
A26
VSS41
AC4
AE1
VSS43
VSS44
AE2
AE25
VSS45
VSS46
AE26
AF1
VSS47
VSS48
AF2
M11
VSS18
VSS19
M12
VSS2
A2
M13
VSS20
VSS21
M14
M15
VSS22
VSS23
N12
N13
VSS24
VSS25
N14
N15
VSS26
VSS27
P12
P13
VSS28
VSS29
P14
A25
VSS3
P15
VSS30
VSS31
R12
VDD_PAD2_2
AE15
VDD_PAD3_0
R25
VDD_PAD3_1
K25
B15
VDD_PAD3_2B9VDD_PAD3_3A3VDD_PAD4_0
VDD_PLL
B18
A1
VSS1
VSS10
D23
VSS11
F6
F21
VSS12H8VSS13
VSS14
H19
VSS15
K10
L11
VSS16
VSS17
L16
W2
VDD_DIG_2
AC2
VDD_DIG_3
AE8
VDD_DIG_4
AE16
VDD_DIG_5
VDD_DIG_6
T25
G25
VDD_DIG_7
D25
VDD_DIG_8
VDD_DIG_9
B24
B21
VDD_MDDI
VDD_PAD1_0
F2
VDD_PAD1_1
K2
M2
VDD_PAD1_2R2VDD_PAD1_3U2VDD_PAD1_4
AE6
VDD_PAD2_0
VDD_PAD2_1
AE11
RESERVED
C26
D12
VDDA1
VDDA10
AF17
P23
VDDA2
VDDA3
U25
U26
VDDA4
Y26
VDDA5
AA26
VDDA6
VDDA7
AE23
AE24
VDDA8
AA16
VDDA9
VDD_DIG_0
C2
VDD_DIG_1
H2
VDD_DIG_10
B14
B11
VDD_DIG_11B5VDD_DIG_12
MSM6280_B
U200-2
NC
AA21
C215
0.1uF
0.01u
C210
0.1uF
C214
10u
C203
R208
2K
C225
0.1uF
VREG_MSME_1.8V
0R214
USIM_CLK
CAM_PWDN_N
MIC2P
PM_INT_N
KEY_COL(5)
SBST_CTRL
USB_DET
PA_R0
HPH_R
HPH_L
ANT_SEL2
GSM_SAW_SW_MODE
LCD_IF_MODE_0
LCD_RESET_N
LCD_IF_MODE_1
TOUCH_CLK
TOUCH_DAT
TOUCH_ACK
UART_RXD
UART_TXD
VREG_MSMA_2.6V
REMOTE_PWR_ON
+5V_PWR
CAM_MCLK
PA_ON1
VREG_MSMP_2.7VJTAG_TCK
JTAG_TDI
JTAG_PS_HOLD
RESIN_N
JTAG_RTCK
JTAG_TDO
JTAG_TRST_N
JTAG_TMS
TOUCH_LDO_EN
ANT_SEL3
SDRAM_DATA(23)
SDRAM_DATA(22)
SDRAM_DATA(21)
SDRAM_DATA(20)
SDRAM_DATA(19)
SDRAM_DATA(18)
SDRAM_DATA(17)
SDRAM_DATA(16)
LCD_VSYNC
LCD_MAKER_ID
SLIDE_DETECT
VBATT
UART_TXD
UART_RXD
VREG_MSMP_2.7V
LINE_N
LINE_P
VGA_CAM_RESET_N
SDRAM_DATA(0:31)
SDRAM_DQM(2)
SDRAM_DQM(3)
SDRAM_DATA(31)
SDRAM_DATA(30)
SDRAM_DATA(29)
SDRAM_DATA(28)
SDRAM_DATA(27)
SDRAM_DATA(26)
SDRAM_DATA(25)
SDRAM_DATA(24)
SPK_AMP_EN
MEGA_CAM_RESET_N
MMC_CLK
MMC_DATA
MMC_CMD
MMC_CD
USB_VBUS
USB_D-
USB_D+
MIC1N
MIC1P
MEGA_CAM_PWR_DOWN
EAR_SENSE_N
VREG_MSMP_2.7V
USIM_RST_N
PS_HOLD
LCD_BL_CTRL
GSM_PA_EN
GSM_PA_BAND
ANT_SEL1
ANT_SEL0
VBAT_TEMP
USB_OE_N
SSBDT_RTR
SSBDT_PM
KEY_ROW(4)
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
KEY_COL(4)
KEY_COL(3)
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
USIM_DATA
BT_SBDT
BT_CLK
CAM_PCLK
CAM_HSYNC
CAM_VSYNC
CAM_DATA(0)
CAM_DATA(1)
CAM_DATA(2)
CAM_DATA(3)
CAM_DATA(4)
CAM_DATA(5)
CAM_DATA(6)
CAM_DATA(7)
I2C_SCL
I2C_SDA
USB_SE0
USB_DAT
RX_IP
GSM_PA_RAMP
JTAG_TRST_N
JTAG_TCK
JTAG_TMS
JTAG_TDI
JTAG_RTCK
JTAG_TDO
PA_ON0
TRK_LO_ADJ
TCXO_EN
TX_ON
BT_SBST
BT_SBCK
BT_TX_RX_N
BT_DATA
VBAT_SENSE
GSM_PA_PWR_CTL_REF
RCV-
RCV+
MICBIAS
MIC2N
DAC_REF
TX_QM
TX_QP
TX_IM
TX_IP
RX_QM
RX_QP
RX_IM
SDRAM_ADDR(4)
SDRAM_ADDR(5)
SDRAM_ADDR(6)
SDRAM_ADDR(7)
SDRAM_ADDR(8)
SDRAM_ADDR(9)
SDRAM_ADDR(10)
SDRAM_ADDR(11)
SDRAM_ADDR(12)
EBI2_OE_N
LCD_ADS
LCD_CS_N
NAND_CS_N
SDRAM_CLK
VREG_MSMP_2.7V
AMUX_OUT
EBI2_DATA(13)
EBI2_DATA(12)
EBI2_DATA(11)
EBI2_DATA(10)
EBI2_DATA(9)
EBI2_DATA(8)
EBI2_DATA(7)
EBI2_DATA(6)
EBI2_DATA(5)
EBI2_DATA(4)
EBI2_DATA(3)
EBI2_DATA(2)
EBI2_DATA(1)
SDRAM_ADDR(0:14)
SDRAM_ADDR(1)
SDRAM_ADDR(2)
SDRAM_ADDR(3)
SDRAM_DATA(13)
SDRAM_DATA(12)
SDRAM_DATA(11)
SDRAM_DATA(10)
SDRAM_DATA(9)
SDRAM_DATA(8)
SDRAM_DATA(7)
SDRAM_DATA(6)
SDRAM_DATA(5)
SDRAM_DATA(4)
SDRAM_DATA(3)
SDRAM_DATA(2)
SDRAM_DATA(1)
EBI2_DATA(0:15)
EBI2_DATA(15)
EBI2_DATA(14)
TCXO_MSM
SDRAM_DQM(1)
NAND_CLE
SDRAM_WE_N
EBI2_WE_N
SDRAM_CS_N(0)
SDRAM_CAS_N
DAC_REF
SDRAM_DATA(15)
SDRAM_DATA(14)
SDRAM_ADDR(13)
SDRAM_ADDR(14)
SDRAM_ADDR(0)
EBI2_DATA(0)
SDRAM_DQM(0)
NAND_ALE
NAND_READY
RESIN_N
RESOUT_N
SDRAM_RAS_N
SDRAM_CLK_EN
SDRAM_DATA(0)
SLEEP_CLK
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 133 -
LGMC
5
41 16
D
83
BATT_FET
USIM
F
D
B
E
LG(42)-A-5505-10:01
1 4
7
9
8
A
C
2
C
E
133
C
B
10
2
5 1211 14
E
159
D
DC-DC Converter for W-PAM
6
F
D
A
E
T-FLASH
6
C
F
LG Electronics Inc.
7
56K
R308
VREG_MICROSD_3.0V
TP315
C3070.1u
200K
R311
TP303
VREG_MSME_1.8V
C337
OJ300
0.1u
R321 DNI
VREG_USIM_2.85V
100p
C356
100KR302
2.2u
C322
TP300
56nH
10u
C326
L303
R316 220
VREG_MICROSD_3.0V
VA304
VREG_W_PA
100p
VREG_TCXO_2.85V
EVLC18S02003
C303
0.1u C308
VA303
EVLC18S02003
VREG_MSMP_2.7V
1u
C323
100K
R304
+5V_PWR
VREG_VDDA1_2.7V
R313
47K
R309 51K
100p
C355
VREG_RFRX1
A9
A10
VREG_RFRX2
A8
VREG_RFTX
VREG_RFUBM
B8
VREG_RUIM
L10
VREG_S2
L8
L6
VREG_S3
A1
VREG_TCXO
G2
VREG_USB
B11
VREG_WLAN
F1
VSW_5V
VSW_MSMC
K5
VSW_S2
K7
K6
VSW_S3
XTAL_IN
L11
XTAL_OUT
K11
L5
VDD_MSMC
B9
VDD_RF
K10
VDD_RUIM
L7
VDD_S23
VDD_SPKR
A4
A11
VDD_WLAN
VIB_DRV_N
L3
G1
VREG_5V
A3
VREG_GP1
A2
VREG_GP2
VREG_GP3
B1
L9
VREG_MMC
G11
VREG_MSMA
K4
VREG_MSMC
VREG_MSME
K8
VREG_MSMP
J11
TCXO_OUT_2
B10
TCXO_OUT_RF
F11
USB_DAT
G4
USB_D_M
J1
USB_D_P
J2
H2
USB_ID
USB_OE_N
F4
F2
USB_OVP_G
USB_SE0
H4
USB_VBUS
H1
VBAT
E1
VCHG
C1
VCOIN
J10
B3
VDD_GP
B2
VDD_MAIN
H11
VDD_MSM
PS_HOLD
F10
REF_BYP
C11
E10
REF_GND
REF_ISET
D10
SBCK
F8
SBDT_SSBI
G8
SBST
E8
K9
SLEEP_CLK
SPKR_IN_M
B5
SPKR_IN_P
B6
SPKR_OUT_M
A5
A6
SPKR_OUT_P
TCXO_EN_1
D8
TCXO_EN_2
E4
TCXO_IN
E11
H10
TCXO_OUT_1
A7
MPP1
H6
MPP10
D5
MPP11
H5
MPP12
MPP2
B7
MPP3
L2
MPP4
L1
MPP5
D7
MPP6
H7
K2
MPP7
B4
MPP8
MPP9
D6
MSM_INT_N
C10
OPT_1
D4
H8
OPT_2
G10
PON_RESET_N
E2
BAT_FET_N
CHG_CTL_N
C2
DNC
D11
GND1
E5
E6
GND2
E7
GND3
F5
GND4
GND5
F6
GND6
F7
GND7
G5
G6
GND8
GND9
G7
K1
HSET_BIAS
D1
ISNS_M
D2
ISNS_P
KPD_PWR_N
L4
PM6658
U302
AMUX_OUT
K3
C351
100p
15K
R319
C341
15p
TP304
150K
R300
TP310
VREG_RF_2.85V
L302
4.7uH
10u
CLK
3
GND1
5
GND2
9
GND3
10 12
GND4
11
GND5
IO
7
2
RST
4
RSV18RSV2
1
VCC
VPP
6
C325
0.1u
VREG_CAM_DVDD_2.8V
HSSC-8P-18J300
C334
2.2u
C330
C305
100K
0.1u
+VPWR
R317
TP313
0.1u
DNI
C300
VREG_MSMC_1.25V
C339
22p C348
220R315
D300
4.7uH
L304
RB160M-30
470K
R320
TP308
2.2u
C329
CMD_DI
DAT0_DO
DAT1_RSV
DAT2_RSV
GND
GND
VDD
VSS
S300
SCHA1A0102
CD_DAT3_CS
CLK_SCLK
C320 0.1u
VREG_CAM_AVDD_2.8V
TP314
VREG_VDDA2_2.1V
C324
2.2u
100K
R301
+VPWR
C302
4.7u
VA305
ICVS0514X350FR
C345
100p
VREG_MSMA_2.6V
TP309
C3360.1u
+VPWR
EVLC18S02003
2.2u
C332
EVLC18S02003
VA307
USB_VBUS
VREG_CAM_CVDD_1.8V
VA300
2.2u
C328
32.768KHz
X300
TP311
4.7u
VREG_RF_2.1V
100p
TP312
C347
C353
0.1u C313
S
TP301
Q300
D1D2D3D4
G
TP302
SI1072X
C350
0.1u
C311
OJ301
VREG_USIM_2.85V
0.1u
C3100.1u
VREG_BT_2.85V
L301 4.7uH
C3170.01u
ICVS0514X350FR
VA306
51KR310
100K
R318
51R314
36K
R307
C3334.7u
10u
L13
P2
VSS6
VSS7
P13
R8
VSS8
VSS9
U2
_CAS
E6
M9
_CE
E5
_CS
D5
_RAS
_RE
M10
_WED
D6
K6
_WEN
L6
_WP
C352
VCCD1
VCCD2
D2
D13
VCCD3
V3
VCCD4
VCCD5
V8
VCCD6
V12
K12
VCCN2
VCCQD1
V4
V9
VCCQD2
VSS1
C6
VSS10
U6
VSS11
U10
U13
VSS12
F7
VSS2
VSS3
G2
G13
VSS4
VSS5
N5
N6
NC87
NC88
N9
N10
NC89
B1
NC9
NC90
N11
N12
NC91
NC92
N13
NC93
P7
P8
NC94R2NC95
NC96R7NC97
R9
T2
NC98
NC99
T3
RY__BY
M2
C7
NC71
NC72
K11
NC73
K13
K14
NC74
NC75
L1
L2
NC76
NC77
L3
L4
NC78
NC79
L5
NC8
A14
L14
NC80
M5
NC81
NC82
M6
N2
NC83
NC84
N3
N4
NC85
NC86
NC57
NC58
J4
J5
NC59
NC6
A12
NC60J6NC61
J10
J11
NC62
J13
NC63
NC64
K1
K2
NC65
NC66
K3
NC67
D7
NC68
J12
K4
NC69
A13
NC7
NC70
K5
K10
NC42G3NC43
NC44
G4
G5
NC45
NC46
G6
G7
NC47
NC48
G8
G9
NC49
A11
NC5
NC50
G10
NC51
H2
H3
NC52
NC53
H4
H5
NC54
NC55H6NC56
J2
J3
E10
E11
NC29
A3
NC3
NC30
E12
E13
NC31
NC32
F2
F3
NC33
NC34
F4
F5
NC35
NC36F6NC37
F8
F9
NC38
NC39
F10
NC4
A4
F11
NC40
NC41
F12
F13
NC13
NC14
B12
B13
NC15
NC16
B14
C1
NC17
NC18
C2
C5
NC19
NC2
A2
C13
NC20
NC21
C14
D1
NC22
NC23
D14
E1
NC24E7NC25
NC26
E8
E9
NC27
NC28
Y2
Y3
NC111
NC112
Y4
Y11
NC113
NC114
Y12
Y13
NC115
NC116
Y14
W1
NC117
NC118
W2
W3
NC119
NC12
B4
NC120
W4
W11
NC121
NC122
W12
W13
NC123
NC124
W14
B11
H10
IO8
G12
IO9
M12
A1
NC1
NC10
B2
NC100T7NC101
T13
U1
NC102U3NC103
NC104
U14
V1
NC105
NC106
V2
V13
NC107
NC108
V14
Y1
NC109
B3
NC11
NC110
DQM1
V7
DQM2
U9
DQM3
M11
IO1
IO10
L9
IO11
L11
IO12
K9
IO13
H13
IO14
H11
IO15
H9
IO16
G11
M13
IO2
L10
IO3
L12
IO4
J9
IO5
IO6
H12
IO7
P9
P10
DQ25
R10
DQ26
DQ27
P11
DQ28
R11
P12
DQ29
V5
DQ3
R12
DQ30
DQ31
R13
U5
DQ4
T6
DQ5
DQ6
V6
U7
DQ7
DQ8
T9
T10
DQ9
DQM0
U8
T8
DQ1
DQ10
V10
DQ11
T11
U11
DQ12
V11
DQ13
T12
DQ14
DQ15
U12
DQ16
P3
DQ17
R3
P4
DQ18
R4
DQ19
DQ2
T5
DQ20
P5
DQ21
R5
P6
DQ22
R6
DQ23
DQ24
A12
E3
A2
A3
E2
A4
D12
A5
C12
D11
A6
C11
A7
A8
D10
A9
C10
M3
ALE
BA0
C4
BA1
D4
CKE
D8
CLE
M4
CLK
C8
DQ0
U4
T4
U301
TY9000A800KOGG40
C3
A0
D3
A1
A10
E4
D9
A11
C9
1u
C343
C3380.1u
D301
2.2u
RB521S-30
TP306
C306
10u
C354
C342
C314
15p
47KR305
2.2u
TP307
33u
C318
C3354.7u
10u
C331
VREG_S2_2.1V
C319
R306
1K
1u
C344
1u
5
M10PGND
1
9
PVDD
7
VDD
VOUT
6
4.7u
C301
FB6831JU300
8
CE3COP
4
CRES
2
GND
IN
C3150.1u
2.2u
+VPWR
VREG_S3_2.7V
C321
C3120.1u
D302
RB521S-30
0.1u
C316
D1D2D3D4D5
G
S1S2
Q301
SIA411DJ
R303
10K
C346
0.1u
33p
0.1u
C349
VREG_S3_2.7V
C340
0.1uC309
ICVS0514X350FR
VA301
TP305
EVLC18S02003
VA302
121KR312
VREG_S2_2.1V
C327
PA_FET_N
JTAG_PS_HOLD
PA_R0
MOTOR_PWR- MOTOR_PWR_N
4.7u
MMC_CMD
MMC_DATA
PA_R0
VBATT
BATT_FET_N
USB_DET
SUB_BACKLIGHT
SBST_CTRL
USIM_P_CLK
PM_ON_SW_N
ICHARGEOUT
BATT_FET_N
AMUX_OUT
TCXO_EN
TCXO_MSM
HSET_BIAS
VBACK_UP
MMC_CD
MMC_CLK
USB_D+
USB_D-
USB_DAT
TCXO_BT_PM
TCXO_PM
SLEEP_CLK
SSBDT_PM
RESIN_N
PM_INT_N
USIM_CLK
GSM_PA_PWR_CTL_REF
REMOTE_PWR_ON
USIM_P_RST_N
USIM_RST_N
KYBD_BACKLIGHT
USIM_P_DATA
USIM_DATA
EBI2_DATA(13)
EBI2_DATA(14)
VSW_S3
VSW_S2
VSW_MSMC
VREG_S3
VREG_S2
VREG_MSMC
MOTOR_PWR_NVBATT
USB_SE0
USB_OE_N
VREG_MSMP_2.7V
EBI2_DATA(0:15)
EBI2_DATA(0)
EBI2_DATA(1)
EBI2_DATA(2)
EBI2_DATA(3)
EBI2_DATA(4)
EBI2_DATA(5)
EBI2_DATA(6)
EBI2_DATA(7)
EBI2_DATA(15)
EBI2_DATA(8)
EBI2_DATA(9)
EBI2_DATA(10)
EBI2_DATA(11)
EBI2_DATA(12)
SDRAM_ADDR(0:12)
NAND_CLE
NAND_ALE
NAND_READY
SDRAM_ADDR(14)
SDRAM_ADDR(13)
EBI2_WE_N
SDRAM_CAS_N
SDRAM_RAS_N
SDRAM_CLK_EN
SDRAM_CLK
NAND_CS_N
SDRAM_WE_N
VREG_MSMP_2.7V
RESOUT_N
EBI2_OE_N
SDRAM_DQM(1)
SDRAM_DQM(2)
SDRAM_DQM(3)
SDRAM_ADDR(1)
SDRAM_ADDR(2)
SDRAM_ADDR(4)
SDRAM_ADDR(3)
SDRAM_ADDR(9)
SDRAM_ADDR(5)
SDRAM_ADDR(8)
SDRAM_ADDR(7)
SDRAM_ADDR(6)
SDRAM_ADDR(10)
SDRAM_ADDR(11)
SDRAM_ADDR(12)
SDRAM_ADDR(0)
SDRAM_DATA(28)
SDRAM_DATA(26)
SDRAM_DATA(27)
SDRAM_DATA(29)
SDRAM_DATA(30)
SDRAM_DATA(31)
SDRAM_DATA(16)
SDRAM_DATA(17)
SDRAM_DATA(22)
SDRAM_DATA(18)
SDRAM_DATA(19)
SDRAM_DATA(23)
SDRAM_DATA(20)
SDRAM_DATA(21)
SDRAM_DATA(0:31)
SDRAM_DQM(0)
SDRAM_DATA(0)
SDRAM_DATA(6)
SDRAM_DATA(2)
SDRAM_DATA(8)
SDRAM_DATA(7)
SDRAM_DATA(3)
SDRAM_DATA(12)
SDRAM_DATA(10)
SDRAM_DATA(9)
SDRAM_DATA(5)
SDRAM_DATA(4)
SDRAM_DATA(13)
SDRAM_DATA(11)
SDRAM_DATA(15)
SDRAM_DATA(14)
SDRAM_DATA(24)
SDRAM_DATA(25)
USIM_P_CLK
USIM_P_RST_N
USIM_P_DATA
PS_HOLD
VSW_MSMC
VREG_MSMC
VSW_S2
VREG_S2
ICHARGEOUT
VSW_S3
VREG_S3
VREG_MSME_1.8V
SDRAM_CS_N(0)
SDRAM_DATA(1)
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 134 -
LGMC
6
1
5
6 12
3
11
KEY ON
9
E
Audio AMP
F
4
6
2
2M CAMERA CONNECTOR
15 16
2
C
AUDIO CONNECTOR
LG Electronics Inc.
Main-FPCB Connector ( 70 pin, Socket )
VREG_DVDD_2.8V share VGA CAM
KEY MAP
9
E
8
I/O CONNECTOR
HOT4
SEND
4
C
END_Power
D
3
8
KEY_BACK_LIGHT LED(2 EA)
9
C
4
D
C
7
D
HALL IC
B
7
3
VBAT_GND
LG(42)-A-5505-10:01
5
0
F
VBAT
10
1
A
HOT3
F
13 14
AUDIO
D
1
B
5
2
A
MIC
E
CAMERA
8
E
7
0.1u
C400
KB406
ICVS0514X350FR
VA423
KB402
ICVS0514X350FR
VA412
VA424
ICVS0514X350FR
KB410
C427
39p
KB413
R416 100ohm
10p
C403
C439
0.1u
C433
220n
VA410
ICVS0514X350FR
R422 10K
CN404
1
2
3
4
KB401
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
680K
R406
ICVE10184E150R500FR
FL407
G15G2
10
100ohm
R411
16
17
18
19
2
20
21
22
3
4
5
6
7
8
9
CN400
1
10
11
12
13
14
15
47p
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
INOUT_A4
4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
C412
FL406
ICVE10184E150R500FR
G15G2
10
ICVE10184E150R500FR
5
G110G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
FL405
DNI
C437
47nC435
LD400
SSC-SWTS907
1A2
C
246
8
135
7
100K
RA400
100ohm
R404
FB404
R410
100ohm
+VPWR
VA427
ICVS0514X350FR
VA406
ICVS0514X350FR
FB405
33u
C405
1
2
KB414
C418
100p
CN403
C425
0.1u
VA417
EVLC18S02015
ICVS0514X350FR
VA409
KB400
FB403
C438
DNI
VREG_CAM_CVDD_1.8V
VA402
EVLC18S02003
R409
80.6K
47p
C424
MI400
SPM0204LE5-QB
2
G1
G2
3
G3
4
G4
6
OUT
1
5
PWR
VA420
ICVS0514X350FR
VREG_CAM_DVDD_2.8V
VA408
ICVS0514X350FR
ICVS0514X350FR
VA425
R426
47K
100ohmR417
ICVS0514X350FR
VA404
33u
C407
33p
R412
100K
C417
VBATT
C428
39p
47K
R420
C436 47n
KB405
ICVS0514X350FR
VA405
C406 47n
ICVS0514X350FR
VA421
INSTPAR
PSD05-LF
ZD400
ICVE10184E150R500FRFL403
5
G110G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
FB402
C402
0.1u
VREG_CAM_AVDD_2.8V
EVLC18S02015
VA418
18
19
2
20
21
22
23
24
3
4
5
6
7
8
9
CN406
G1 G2
G3 G4
1
10
11
12 13
14
15
16
17
VA414
ICVS0514X350FR
ICVL0518100Y500FR
VA400
470K
R405
EVLC18S02003
VA403
ICVS0514X350FR
VA428
C409
100p
R401
2.2K
330p
10u
C415
C410
C431
0.01u
33p
C416
FB407
C441
33p
1u
C432
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
R414 100ohm
FL408 ICVE10184E150R500FR
G15G2
10
INOUT_A1
R425
100K
6
ICVS0514X350FR
VA419
+5V_PWR
G15G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
KB404
FL402 ICVE10184E150R500FR
47p
KB403
C413
G15G2
10
INOUT_A1
1
2
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
FL404
ICVE10184E150R500FR
FB400
VA426
ICVS0514X350FR
+VPWR
100p
C408
KB407
70
8
9
G1 G2
G3 G4
VA415
56
57
58
59
6
60
61
62
63
64
65
66
67
68
69
7
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
55
27
28
29
3
30
31
32
33
34
35 36
37
38
39
4
40
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
CN402
1
10
11
C434
1u
51
R407
1
234
VA416
VREG_MSMP_2.7V
CN401
C426
0.1u
R400
51K
C411
1u
VA422
ICVS0514X350FR
C1
BYPASSB2GND
IN+
C2
IN-C3VDD
A3
B3
VO+
A1
VO-_SHUTDOWN
B1
TPA6205A1ZQVRU401
33p
C440
VREG_CAM_CVDD_1.8V
FB406
33u
KB412
VA413
C404
ICVS0514X350FR
VA407
ICVS0514X350FR
U400 EM-1681-FT
3
NCOUT
2
1
VDD4VSS
KB409
ICVS0514X350FR
VA411
R403
100ohm
KB411
VA401
ICVL0518100Y500FR
22p
C419
CN405
1
2
3
100K
R402
C401
0.1u
NFM21PC105B1A3 FL400
3
G1G2
4
IN1OUT
2
KB408
R424 10K
C420
22p
SSC-SWTS907
LD401
A1C
2
6
INOUT_B4
SD12T1G
D400
ICVE10184E150R500FR
FL401
5
G110G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
39p
C414
100ohmR413
R415 100ohm
CAM_DATA(1)
CAM_DATA(5)
CAM_DATA(7)
TOUCH_LDO_EN
KEY_ROW(0)
KEY_ROW(1)
KEY_COL(5)
KEY_ROW(2)
KEY_COL(5)
EBI2_DATA(2)
EBI2_DATA(7)
EBI2_DATA(15)
SPK+
SPK-
EBI2_WE_N
EBI2_OE_N
MICBIAS
SUB_BACKLIGHT
CAM_DATA(6)
CAM_DATA(4)
CAM_VSYNC_OUT
I2C_SDA
VGA_CAM_RESET_N
EBI2_DATA(12)
EBI2_DATA(4)
EBI2_DATA(0)
EBI2_DATA(8)
RCV-
RCV+
LCD_MAKER_ID
TOUCH_DAT
EBI2_DATA(5)
EBI2_DATA(13)
VREG_CAM_AVDD_2.8V
LCD_CS_N
LCD_RESET_N
KEY_COL(3)
KEY_ROW(2)
KEY_ROW(1)
EBI2_DATA(6)
EBI2_DATA(14)
EBI2_DATA(10)
CAM_DATA(3)
CAM_PCLK
CAM_PWDN_N
+VPWR
+VPWR
TOUCH_CLK
VBACK_UP
LCD_ADS
LCD_IF_MODE_0
EBI2_DATA(3)
EBI2_DATA(11)
VREG_MSMP_2.7V
KEY_ROW(0)
KEY_COL(4)
TOUCH_ACK
LCD_BL_CTRL
LCD_IF_MODE_1
EBI2_DATA(9)
EBI2_DATA(1)
LCD_VSYNC
MOTOR_PWR-
CAM_MCLK
CAM_DATA(0)
CAM_DATA(2)
CAM_MCLK_F
CAM_MCLK
MEGA_CAM_PWR_DOWN
VBAT_TEMP
I2C_SCL
CAM_HSYNC_OUT
CAM_DATA(7)
CAM_DATA(6)
CAM_DATA(5)
CAM_DATA(4)
CAM_PCLK
CAM_VSYNC
CAM_HSYNC
MIC2P
MIC1P
MIC1N
KYBD_BACKLIGHT
SPK-
SPK+
SPK_AMP_EN
KEY_COL(0)
KEY_COL(1)
PM_ON_SW_N
KEY_COL(2)
KEY_ROW(0)
HSET_BIAS
VREG_MSMP_2.7V
SLIDE_DETECT
CAM_DATA(1)
CAM_DATA(2)
CAM_DATA_OUT(0)
CAM_DATA(3)
EAR_SENSE_N
USB_D+
VREG_MSMP_2.7V
VREG_MSMP_2.7V
VBAT_SENSE
USB_VBUS
UART_RXD
UART_TXD
REMOTE_PWR_ON
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
CAM_DATA_OUT(0)
CAM_PCLK_F
I2C_SDA
I2C_SCL
CAM_VSYNC_OUT
CAM_HSYNC_OUT
LINE_N
LINE_P
HPH_R
HPH_L
MIC2N
USB_D-
CAM_DATA(0)
CAM_DATA_OUT(1)
CAM_DATA_OUT(7)
CAM_DATA_OUT(5)
CAM_DATA_OUT(4)
CAM_DATA_OUT(2)
CAM_DATA_OUT(3)
CAM_DATA_OUT(6)
CAM_PCLK_F
CAM_MCLK_F
CAM_HSYNC_OUT
CAM_VSYNC_OUT
MEGA_CAM_RESET_N
CAM_DATA_OUT(7)
CAM_DATA_OUT(6)
CAM_DATA_OUT(5)
CAM_DATA_OUT(4)
CAM_DATA_OUT(3)
CAM_DATA_OUT(2)
CAM_DATA_OUT(1)
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 135 -
LGMC
KEY LED
LCD CONNECTOR
FPCB CONNECTOR
TOUCH LDO
VREG_TOUCH_2.8V
TOUCH_MODULE
KEY MATRIX
LCD BACKLIGHT
KB501
C502
1u
KB504
INSTPAR
ZD500
PLW0501H-LF
SSC-TWH104-HL
LD504
10KR505
1u
C503
R500
100K
BA500
NBL414R-F9J
ICVS0514X350FR
C501
1u
VA502
3
5
7
100
RA501
2
4
6
8
1
C507
LD507
SSC-TWH104-HL
1u
2.2K
R508
R507
2.2K
30
31
32
33
34
35
4
5
6
7
8
9
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
CN501
1
10
11
12
13
14
15
1u
C506
ICVS0514X350FR
VA501
CE
6
2
GND1
5
GND2
4
NC
VDD
13
VOUT
VA500
ICVS0514X350FR
LD501
SSC-TWH104-HL
R1114D281D-TR-F
U502
SSC-TWH104-HL
LD500
LD503
SSC-TWH104-HL
ICVS0514X350FR
VA507
8
1
3
5
7
ICVS0514X350FR
VA503
RA500
100
2
4
6
VA505
ICVS0514X350FR
KB500
R506
2.2K
2.2K
R502
C505
150p
KB502
CP
8
1
D1
D2
2
3
D3
EN_SET
11
GND
4
5
IN
NC
12
VA504
ICVS0514X350FR
U500 AAT3157ITP-T1
C1+
10
9
C1-
7
C2+
6
C2-
45
46
47
48
49
5
50
6
7
8
9
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
15
16
17
18
19
2
20
21
22
23
24
25 26
27
28
29
3
51 52
53 54
1
10
11
12
13
14
1u
CN500
C500
R504 4.7K
LD505
SSC-TWH104-HL
FB500
C510
ICVS0514X350FR
VA506
0.1u
SSC-TWH104-HL
LD506
4.7KR503
LD502
SSC-TWH104-HL
TP503
TP505
TP501 TP502
S07S1
9
10S212
S3
13
S4
S5
18
19
S6
S7
20
SCL
1
SDA
24
6
SHLD
21
VDD
XCAP
16
U501
SO2400
2
ATTN
15
GND0
GND1
22
GPIO0
5
4
GPIO1
GPIO2
3
8
NC0
NC1
11
NC2
14
17
NC3
23
NC4
25
PGND
1u
C509
1u
C508
KB503
VREG_TOUCH_2.8V
TP504
C5041u
KEY_COL(4)
+VPWR KEY_ROW(0)
KEY_COL(3)
SENSE1
SENSE0
SENSE3
SUB_BACKLIGHT
TOUCH_DAT
TOUCH_CLK
TOUCH_ACK
EBI2_DATA(15)
VREG_MSMP_2.7V
EBI2_DATA(2)
LCD_RESET_N
LCD_IF_MODE_1
LCD_CS_N
EBI2_WE_N
TOUCH_ACK
LCD_BL_CTRL
KEY_ROW(1)
KEY_ROW(2)
LCD_IF_MODE_0
LCD_ADS
SUB_BACKLIGHT
WLED_3
VREG_MSMP_2.7V
EBI2_OE_N
TOUCH_CLK
VBACK_UP
VBACK_UP
SENSE2
LCD_CS_N
LCD_ADS
EBI2_WE_N
EBI2_OE_N
EBI2_DATA(0)
EBI2_DATA(1)
EBI2_DATA(2)
EBI2_DATA(3)
LCD_VSYNC
EBI2_DATA(14)
EBI2_DATA(1)
EBI2_DATA(3)
EBI2_DATA(5)
EBI2_DATA(7)
EBI2_DATA(9)
EBI2_DATA(11)
EBI2_DATA(13)
EBI2_DATA(4)
EBI2_DATA(5)
EBI2_DATA(6)
EBI2_DATA(7)
EBI2_DATA(13)
EBI2_DATA(12)
EBI2_DATA(10)
EBI2_DATA(8)
LCD_VSYNC
LCD_RESET_N
EBI2_DATA(15)
EBI2_DATA(14)
EBI2_DATA(11)
EBI2_DATA(9)
+VPWR
EBI2_DATA(0)
EBI2_DATA(4)
EBI2_DATA(6)
EBI2_DATA(8)
EBI2_DATA(10)
EBI2_DATA(12)
LCD_MAKER_ID
TOUCH_LDO_EN
TOUCH_DAT
TOUCH_LDO_EN
+VPWR
KEY_COL(4)
KEY_COL(3)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
+VPWR
WLED_1
WLED_PWR
LCD_BL_CTRL
WLED_2
WLED_3
+VPWR
WLED_PWR
WLED_2
WLED_1
LCD_MAKER_ID
LCD_IF_MODE_0
LCD_IF_MODE_1
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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