LG KF390 User manual

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
9CLK_REF
1GND1 6GND2 8GND3
15 GND4 17 PGND1 18 PGND2
PGND3
19 20 PGND4
RX_BB_TX_BB 13
SBCK 11
12
SBDT
SBST 4
5
SYNC_DET_TX_EN
3VCC_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
G1
5
G2
G3
3
1
IN
4
OUT
DNI
C1010
2.2K
100p
R1016
PCS_RX2 19
7VDD
WCDMA_1900 22
20
WCDMA_2100 21
WCDMA_850
100p
C1016
CTRL3
5
CTRL4
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
2ANT
3CTRL1 4CTRL2
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_CELL2
11
VCC2_CELL3
21
VCC2_PCS1
20
VCC2_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
7NC3
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
9GSM_OUT
6NC1
NC2
10
TX_EN 3
180
R1005
C1093
1u
C1017
1000p
4
100pC1070
SCDY0003901
LDC15836M20Q-360
U1002
COU
3IN 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 VTUNE2 29 WB_MX_INM 28 WB_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
G1
2
G2
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
3IN 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
GPIO49
B7
GPIO50
A7
GPIO51
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_3
M8
A1_4
M4 N11
A1_5 A1_6
N8 N6
A1_7
N2
A1_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_11
P6
A1_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
4
56
7
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 VSS37
W8
VSS38
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_2
B9
VDD_PAD3_3
A3
VDD_PAD4_0
VDD_PLL
B18
A1
VSS1 VSS10
D23
VSS11
F6
F21
VSS12
H8
VSS13 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_2
R2
VDD_PAD1_3
U2
VDD_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_11
B5
VDD_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
RSV1
8
RSV2
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
NC94 R2 NC95 NC96 R7 NC97 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
NC60
J6
NC61
J10
J11
NC62 J13
NC63
NC64 K1
K2
NC65
NC66 K3
NC67 D7
NC68 J12
K4
NC69
A13 NC7
NC70 K5
K10
NC42
G3 NC43
NC44
G4 G5 NC45
NC46
G6 G7 NC47
NC48
G8 G9 NC49
A11 NC5
NC50
G10
NC51
H2 H3 NC52
NC53
H4 H5 NC54
NC55
H6
NC56
J2 J3
E10 E11 NC29
A3 NC3
NC30
E12 E13 NC31
NC32
F2 F3 NC33
NC34
F4 F5 NC35
NC36
F6
NC37
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 NC24 E7 NC25
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
NC100 T7 NC101 T13
U1
NC102 U3 NC103 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
M10 PGND
1
9
PVDD
7
VDD
VOUT 6
4.7u
C301
FB6831JU300
8
CE
3COP
4CRES
2GND
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
2INOUT_A2
INOUT_A3
3
4INOUT_A4
9
INOUT_B1
INOUT_B2 8
7
INOUT_B3
INOUT_B4 6
680K R406
ICVE10184E150R500FR
FL407
G1
5
G2
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
2INOUT_A2
INOUT_A3
3
INOUT_A4
4
9
INOUT_B1
INOUT_B2 8
7
INOUT_B3
INOUT_B4 6
C412
FL406
ICVE10184E150R500FR
G1
5
G2
10
ICVE10184E150R500FR
5G1
10 G2
1INOUT_A1
INOUT_A2
2
3INOUT_A3
INOUT_A4
4
INOUT_B1 9
8
INOUT_B2
INOUT_B3 7
6
INOUT_B4
FL405
DNI C437
47nC435
LD400
SSC-SWTS907
1
A
2
C
2 4 6 8
1 3 5 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
5G1
10 G2
1INOUT_A1
INOUT_A2
2
3INOUT_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
2INOUT_A2
INOUT_A3
3
4INOUT_A4
9
INOUT_B1
INOUT_B2 8
7
INOUT_B3
INOUT_B4 6
R414 100ohm
FL408 ICVE10184E150R500FR
G1
5
G2
10
INOUT_A1
R425
100K
6
ICVS0514X350FR
VA419
+5V_PWR
G1
5
G2
10
INOUT_A1
1
2INOUT_A2
INOUT_A3
3
4INOUT_A4
9
INOUT_B1
INOUT_B2 8
7
INOUT_B3
INOUT_B4
KB404
FL402 ICVE10184E150R500FR
47p
KB403
C413
G1
5
G2
10
INOUT_A1
1
2INOUT_A2
INOUT_A3
3
4INOUT_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
2
3
4
VA416
VREG_MSMP_2.7V
CN401
C426
0.1u
R400
51K
C411
1u
VA422
ICVS0514X350FR
C1 BYPASS B2
GND
IN+
C2
IN-
C3 VDD 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
1VDD 4
VSS
KB409
ICVS0514X350FR
VA411
R403
100ohm
KB411
VA401
ICVL0518100Y500FR
22p
C419
CN405
1
2
3
100K R402
C401
0.1u
NFM21PC105B1A3 FL400
3
G1G2
4
IN 1 OUT
2
KB408
R424 10K
C420
22p
SSC-SWTS907
LD401
A
1
C
2
6
INOUT_B4
SD12T1G D400
ICVE10184E150R500FR
FL401
5G1
10 G2
1INOUT_A1
INOUT_A2
2
3INOUT_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
4NC
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
5IN
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
S0
7
S1
9
10 S2 12 S3
13
S4
S5 18
19
S6 S7 20
SCL
1
SDA 24
6SHLD
21
VDD
XCAP 16
U501
SO2400
2ATTN
15
GND0
GND1 22
GPIO0
5
4GPIO1
GPIO2
3
8NC0
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

- 136 -
LGMC
SPEAKER PAD
FPCB to VGA Camera Connector
FPCB to SUB Connector
Motor PAD
SLIDE to MAIN Connector
FL1 ICVE10184E070R100FR
G1 5 G2 10
INOUT_A1
1
2INOUT_A2
INOUT_A3
3
4INOUT_A4
9
INOUT_B1
INOUT_B2 8
7
INOUT_B3
INOUT_B4 6
42
43
44
45
46
47
48
49
5
50
6
7
8
9
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
13
14
15
16
17
18
19
2
20
21
22
23
24
25 26
27
51 52
53 54
1
10
11
12
CN500
33pC6
D5 PRSB6.8C
PRSB6.8C
D6
68
69
7
70
8
9
G1 G2
G3 G4
53
54
55
56
57
58
59
6
60
61
62
63
64
65
66
67
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
24
25
26
27
28
29
3
30
31
32
33
34
35 36
37
38
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
CN101
RCV_N
RCV_P
10 G2
1INOUT_A1
INOUT_A2
2
3INOUT_A3
INOUT_A4
4
INOUT_B1 9
8
INOUT_B2
INOUT_B3 7
6
INOUT_B4
ICVE10184E070R100FRFL2
5G1
14
15
16
17
18
192
20
3
4
5
6
7
8
9
S100
1
10 11
12
13
OUT101
C7 33p
OUT100
VREG_CAM_DVDD_1.5V
CAM_VSYNC_OUT
CAM_HSYNC_OUT
CAM_MCLK
CAM_DATA_OUT(0)
CAM_DATA_OUT(1)
CAM_DATA_OUT(4)
CAM_DATA_OUT(5)
CAM_PWDN_N
CAM_PCLK
CAM_DATA_OUT(3)
CAM_DATA_OUT(2)
CAM_DATA_OUT(1)
CAM_DATA_OUT(0)
EBI2_DATA(2)
EBI2_DATA(0)
LCD_RESET_N
LCD_IF_MODE_1
LCD_MAKER_ID
+VPWR
KEY_BL_EN
TOUCH_DAT
EBI2_DATA(15) EBI2_DATA(13)
EBI2_DATA(7)
EBI2_DATA(1)
LCD_IF_MODE_0
EBI2_OE_N
VBACK_UP
RCV+
VGA_CAM_RESET_N
TOUCH_CLK
MOTOR_PWR-
+VPWR
CAM_DATA_OUT(2)
CAM_DATA_OUT(6)
CAM_DATA_OUT(3)
I2C_SDA
CAM_DATA_OUT(7)
VREG_CAM_AVDD_2.8V
I2C_SCL
RCV-
TOUCH_ACK
KEY_COL(3)
KEY_ROW(0)
KEY_ROW(1)
EBI2_DATA(10)
EBI2_DATA(8)
EBI2_DATA(12)
EBI2_DATA(6)
EBI2_DATA(4)
EBI2_WE_N
LCD_CS_N
LCD_BL_CTRL
SUB_BACKLIGHT
KEY_COL(4)
KEY_ROW(2)
VREG_MSMP_2.7V
EBI2_DATA(11) EBI2_DATA(9)
EBI2_DATA(5)
EBI2_DATA(3)
LCD_VSYNC
LCD_ADS
TOUCH_LDO_EN
CAM_MCLK
CAM_HSYNC_OUT
CAM_VSYNC_OUT
VREG_CAM_DVDD_1.5V
CAM_DATA_OUT(5)
I2C_SDA
VGA_CAM_RESET_N
VREG_CAM_AVDD_2.8V
CAM_PWDN_N
RCV+
RCV-
CAM_DATA_OUT(7)
CAM_DATA_OUT(4)
CAM_DATA_OUT(6)
EBI2_DATA(14)
LCD_RESET_N
LCD_IF_MODE_1
LCD_CS_N
SUB_BACKLIGHT
EBI2_WE_N
TOUCH_ACK
EBI2_DATA(0)
EBI2_DATA(4)
EBI2_DATA(6)
EBI2_DATA(8)
EBI2_DATA(10)
EBI2_DATA(12)
EBI2_DATA(14)
LCD_MAKER_ID
KEY_COL(3)
MOTOR_PWR-
+VPWR
I2C_SCLCAM_PCLK
EBI2_DATA(5)
+VPWR
+VPWR
TOUCH_LDO_EN
KEY_COL(4)
KEY_ROW(1)
KEY_ROW(0)
EBI2_DATA(2)
VREG_MSMP_2.7V
EBI2_DATA(3)
EBI2_DATA(1)
LCD_IF_MODE_0
LCD_VSYNC
LCD_ADS
EBI2_OE_N
VBACK_UP
TOUCH_CLK
KEY_ROW(2)
TOUCH_DAT
KEY_BL_EN
EBI2_DATA(15)
EBI2_DATA(13)
EBI2_DATA(11)
EBI2_DATA(9)
EBI2_DATA(7)
LCD_BL_CTRL
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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8. BGA IC PIN MAP
< Bottom View >
8. BGA IC PIN MAP
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Unused
Used
U200 ( MSM6280 @ 409PIN - EUSY0295601)

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8. BGA IC PIN MAP
< Bottom view >
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Unused
Used
U301 (TY9000A800KOGG40 - EUSY0336902 )

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8. BGA IC PIN MAP
< Bottom view >
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Unused
Used
U302 (PM6658 - EUSY0350001 )

- 140 -
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

- 141 -
9. PCB LAYOUT
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
WCDMA Tx Power Fail
No USB Charging
No USB Connection
No Earphone Audio
No detect slide movement
No TA Charging
No Sound
Sound Noise
Keypad Backlight trouble
No Bluethooth
No Display
Fail to VGA Camera Operation
No Vibration
Not Operate Navigation Keypad
No response with Touch Keypad

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9. PCB LAYOUT
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No Power-on
No Detect USIM Card
Reset during Power-on
No Power-on
No Detect USIM Card
Reset during Power-on
No Bluetooth Connection
Not Operate 2-mega Camera
WCDMA Tx Power Fail
No Power On
No power on
No charging
No Service
GSM Tx Power
No Service
WCDMA/GSM Rx Sensitivity &
Tx Power
No Service
WCDMA Tx Power & Rx
Sensitivity
No Service
WCDMA Tx Power & Rx
Sensitivity
No Service
No TA Charging
No USB
No Charging
No Ear-Mic
No Power-on
No power-on
Enter Emergency download mode
Not Detect USIM Card
No Microphone Operate
WCDMA Tx Power Fail
No Service ( in WCDMA )

- 143 -
9. PCB LAYOUT
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

- 144 -
9. PCB LAYOUT
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No Display
No Display
No response Touch Keypad
Keypad backlight fault
No Touch Keypad
No LCD Backlighting

- 145 -
9. PCB LAYOUT
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No Display
No response Touch Keypad

- 146 -
9. PCB LAYOUT
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Not hear voice
No Vibration
No operate VGA Camera