LG KU450, U450 Service Manual
Date: June, 2007 / Issue 1.0
Service Manual
Model : KU450/U450
Service Manual
KU450/U450
Internal Use Only
KU450/U450 SVC(9)_Cover_0625 2007.7.19 1:48 PM ˘`1
- 149 -
LGMC
(1%)
NO.
HIGH
DRAWING
SKY77318
E
CP0402A1880EL
Sheets
L
HIGH
LOW
LG Electronics Inc.
L
4
(1%)
(2012)
L
F
ANT_SEL1
H
TX_VCO_EN_1_N
85
(PPS)
H
MODEL
6
WCDMA
E
D
16
H
(1%)
A
H
(2012)
L
HDET
GSM 1800/1900 TX
F
2
1805-1880 MHz
LG Electronics Inc.
H
15
TX_VCO_EN_0_N
UMTS RX/TX
(PPS)
C
B
GSM1800 RX
(1%)
E
LOW
925-960 MHz
ANT_SEL2
H
1 5
GSM_PA_BAND
L
C
4
HIGH
E
H
LG(42)-A-5505-10:01
L
HIGH
GSM 900 TX
GSM1900 RX
LOW
MODE
Sign & Name
Checked
H
(1%)
3
L
OFF
D
U450_REV_C
L
A
C
7
GSM900
HIGH
B
F
1P7T SWITCH
Approved
Sheet/
1930-1990 MHz
1
(1%)
14
Designer
DCS1800/PCS1900
Date
(PPS)
C
9
Section
GSM/DCS/PCS
6.2K
R1011
TUESDAY, Mar 28, 2007
KU450
1/6
RF
L
ANT_SEL0
2
DRAWING
GSM
D
(2012)
GSM 900 RX
H
DCS/PCS
D
C1025 33p
C1052
9.1nH
15p
L1020
C1024
0.01u
C1095
C1015
10p
0.5p
OUT
3
4
VCC
1
VCONT
L1002
2.2uH
TG-5001LA-19.2MHz
X1001
19.2MHz
GND
2
2.2nH
L1030
C1058
15p
C1036
R1018
ECHU1C392JX5
3.9n
150
3.3nH
L1023
4.7K
VREG_RFTX_2.85V
C1020
R1037
33p
R1013
150
33pC1026
R1007
10
C1079
C1050
100p
33p
C1040
0.01u
C1099
10p
5.6nH
L1017
120p
C1033
2.2uH
L1004
C1014
C1103
0.1u
10u
47
R1014
33p
C1092
C1082
0.068u
390p
C1046
C1037
C1084
33p
L1019
27p
3
O1
4
O2
9.1nH
FL1002
SAFEB2G14FA0F00
2
G1
5
G2
1
IN
4700p
C1016
C1057
0.01u
4.7
R1029
0.1u
C1077
0
R1003
NA
11K
C1049
VREG_TCXO_RF_2.85V
R1034
C1085
R1024100ohm
1200p
C1054
0.1uF
C1007
33p
L1007
10nH
100p
C1004
C1093
1000p
3.3K
R1036
R1023
1K
C1091
ANT1002
100000pF
C1031
0.1u
C1043
R1022
200
10u
C1110
0.01u
C1045
33p
C1089
100p
NA
C1068
5.6nH
L1026
R1005
15K
1.2nH
C1081
L1021 10nH
33pC1042
C1074
NA
R1033
470K
100ohmR1017
C1001
C1063
1000p
47p
33p
C1005
ANT1001
L1301
VREG_TCXO_2.85V
3.3p
15p
C1053
C1056
0
R1038
22p
1000pC1017
C1065
3p
2
4
GND2
GND36GND47GND5
11
12
GND6
5
OUT1
1
OUT2
SW1
10
SW2
83
VB
9
VC
X1000
MQW6V0C869M
GND1
6.2K
R1010
5
GND2
7
8
GND3
GND4
9
10
GND5
GND6
12
13
GND7
GND814GND9
16
P_GND
21
19
RSVD_GND
VAPC
20
17
VBATT
2
VCC1A6VCC1B
SMPY0014001
BS
1
DCS_PCS_IN
315
DCS_PCS_OUT
4
EGSM_IN
11
EGSM_OUT
ENABLE
18
GND1
C1039
100p
U1001
C1034
4
50OHM
COUP3IN
2
1
OUT
1000p
3
GND2
6
7
GND3
9
GND4 RFIN
2
RFOUT
8
VCC1
110
VCC2
4
VCONT
5
VREF
U1004
U1002WS2512_TR1G
11
BGND
GND1
5.6p
C1105
68K
R1032
1000p
C1111
10K
R1027
VDDA7
VDDA8
45
VDDM
41
VDDRF1
3
12
VDDRF2
19
VDDRF3
82
R1009
21
20
RX_IP
23
RX_QM
RX_QP
22
46
R_BIAS
SBCK
42
SBDT
43
44
SBST
33
TCXO
25
UMTS_TUNE
VDDA1
7
24
VDDA2
26
VDDA3
VDDA4
27
32
VDDA5
VDDA6
34
36
GRX_IM
40
GRX_IP
37
GRX_QM
GRX_QP
38
ILNA_BIAS
17
18
ILNA_IN
ILNA_OUT
14
8
IMIXM
IMIXP
928
LO_OUT
49
PGND
15
PLNA_BIAS
PLNA_IN
16
PLNA_OUT
13
10
PMIXM
PMIXP
11
RX_IM
RFR6250E
U1005
BLANK
2
29
CP_DUMP
CP_OUT30FAQ
31
GLNA_BIAS
48
47
GLNA_IN
1
GLNA_OUT
GMIXM
5
6
GMIXP
4
GND
GPS_TUNE
35
39
NA
2
45
31
L1025
470p
Q1000
UMC4N
C1108
C1066
1000p
1000pC1009
C1107
0.1u
C1067
0.1u
C1072
100p
ANT
G1
G2
RF
R1012
200
KMS-512
SW1000
C1010
0.1u
33u
C1013
22n
C1035
L1009 2.7nH
L1028
NA
100p
C1098
100ohm
R1031
80.6K
R1019
51
R1015
1uF
C1021
C1106
1u
100p
C1100
FB1000
VREG_TCXO_RF_2.85V
6.2K
R1025
C1062
1000p
680p
C1096
C1083
10u
C1011
C1023
33p
C1027
22u
0.01u
R1008
24
C1019
33p
C1022
47p
0.1u
NA
C1080
C1097
C1069
NA
R1016
L1300
22nH
100ohm
VREG_TCXO_RF_2.85V
C1044
15p
3.6nHL1008
10p
C1088
0.1u
C1051
L1001
2.2uH
47nH
L1013
GSM850_EGSM_TX
GSM850_RX1
18
19
GSM850_RX2
20
NC1
NC2
22
PCN_PCS_TX
9
PCN_RX1
14
15
PCN_RX2
PCS_RX1
16
17
PCS_RX2
VDD
7
WCDMA2100
21
ANT
1
4
CTRL1
CTRL2
5
6
CTRL3
12
EGSM_RX1
EGSM_RX2
13
2
GND13GND28GND3
GND4
10
23
GND5
GND6
24
11
DGM092M03
FL1000
C1090
10u
C1029
0.1u
10p
C1101
5.6nH
L1024
C1055
0.01u
0
R1028
10p
C1087
3.9nH
L1027
C1041 100p
C1038
0.1u
4.7u
1000p
C1061
C1060
C1012
33p
C1030
0.01u
82p
2.2uH
C1073
VREG_TCXO_RF_2.85V
L1000
2.7p
C1078
L1012 5.6nH
C1006
0.1u
C1109
10
R1004
3.9n
R1026
C1018
33p
100ohm
VREG_RFRX_1_2.85V
VREG_MSMP_2.7V
51
R1030
100000pF
C1086
L1003
C1000
47p
2.7nH
47nH
C1048
L1010
GNDB1OUT
B2
A1
RFIN_ENA2VDD
0.1u
U1003 LMV228TLX-NOPB
NA
C1003
48
50
VDDA14
VDDA1552VDDA16
54
56
VDDA17
5
VDDA2
7
VDDA3
10
VDDA4
15
VDDA5
23
VDDA6
VDDA7
26
27
VDDA8
31
VDDA9
43
VDD_M
VTUNE_REF
8
6
19
TX_IN
18
TX_IP
40
TX_MOD_CP
TX_QN
17
16
TX_QP
TX_VCO_FB
42
UMTS1900_OUT
53
51
UMTS2100_OUT
UMTS800_OUT
55
VCONTROL
49
9
VCO_TUNE
VDDA1
4
VDDA10
36
39
VDDA11
VDDA12
41
VDDA13
GSM1900_INN
GSM1900_INP
25
GSM850_INN
21
GSM850_INP
22
38
GSM900_INN
GSM900_INP
37
47
RF_ON_TX_ON
RX_IN
14
RX_IP
13
RX_QN
12
11
RX_QP
RX_VCO_IN
32
R_BIAS
33
SBCK44SBDT
45
46
SBST
TCXO
U1000
RTR6250D
2
CP1
CP2
30
CP_HOLD1
1
CP_HOLD2
29
20
DAC_REF
3
FAQ1
28
FAQ2
GND_SLUG
57
34
GSM1800_INN
GSM1800_INP
35
24
15p
C1071
C1008
L1005 3.6nH
0.1u
R1020
24
100nH
L1029
51
R1035
7.5nHL1015
51
R1021
11KR1006
VREG_TCXO_2.85V
100p
7.5nH
L1011
C1059
C1075
4.7u
C1032
33p
C1076
1.2nH
100p
C1047
C1028
68p
C1104
0.1u
C1070
10nH
1p
4
8
GND3 GND4
9
GND5
6
GND6
3
7
RX
TX
5
L1022
SAYZY1G95EB0B00FL1003
ANT
2
GND1
1
GND2
L1016
47nH
0.1u
C1102
VREG_TCXO_RF_2.85V
L1018 10nH
IN14OUT
L1014 7.5nH
FL1001
SAFEB1G95KA0F00
G12G2
5
G3
3
+VPWR
VREG_SYNTH_2.85V
VREG_RFTX_2.85V
+VPWR
TRK_LO_ADJ
+VPWR
GSM_PA_BAND
GSM_PA_EN
GSM_PA_RAMP
HDET1
PA_ON
VREG_RFTX_2.85V
PA_R0
PA_ON
SBCK
RX_IM
TCXO_OUT
TCXO_PM
VREG_RFTX_2.85V
GSM_TX_VCO_0_EN_N
GSM_TX_VCO_1_EN_N
SBCK
PA_THERM
RX_IM
RX_IP
RX_QM
RX_QP
VREG_RFTX_2.85V
ANT_SEL2
VREG_RFRX_0_2.85V
ANT_SEL0
ANT_SEL1
SBDT
SBST
TCXO_OUT
VREG_MSMP_2.7V
VREG_RFTX_2.85V
VREG_RFRX_0_2.85V
DAC_REF
RF_ON_TX_ON
RX_IP
RX_QM
RX_QP
SBDT
SBST
VREG_RFTX_2.85V
VREG_RFTX_2.85V
VREG_RFTX_2.85V
VREG_RFTX_2.85V
TX_AGC_ADJ
TX_IM
TX_IP
TX_QM
TX_QP
7. CIRCUIT DIAGRAM
KU450/U450
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 150 -
LGMC
CLOCK
HKADC
Near to MSM
USB
SDRAM
JTAG
< USB 48M CLK >
MicroSD
RF
NAND & LCD
RESET
USIM
SDRAM
CAMERA
AUDIO
UART
GPIOs
BLUETOOTH
KEYPAD
Near to MSM
C241
2/6
MSM6250
KU450
U450_REV_C
PCB_Rev_ADC
1%1%
PMIC
1000p
C232
0.1u
R203
0
150K
R201
R205
180K
TPUSBM
22R209
TPSBCK
0.01u
C243
0.01u
C204
C227 1000p
1000pC228
0.01u
TPSBDT
C238
C216 22n
W8
NC
C235
0.01u
NC
U25
GND
V19
GND
V23
GND
V26
VDD_A
W16
NC
W19
GND
W23
VDD_A
W25
T15
NC
NC
T16
VDD_A
T19
VDD_A
T21
GND
T25
VDD_C
T26
VDD_P1
U1
VDD_A
U19
VDD_P1
U2
R15
NC
NC
R16
GND
R2
VDD_P3
R25
VDD_P3
R26
T11
NC
NC
T12
GND
P23
VDD_A
P25
GNDP4GND
R1
R11
NC
NC
R12
R13
NC
NC
R14
N12
NC
NC
N13
N14
NC
NC
N15
VDD_C
N4
P12
NC
NC
P13
P14
NC
NC
P15
M13
NC
M14
NC
NC
M15
NC
M16
VDD_P1
M2
GND
M25
GND
M26
VDD_P3
K26
NC
L11
L12
NC
NC
L15
NC
L16
VDD_P1
M1
M11
NC
NC
M12
NC
F6
GND
G25
H19
NC
NC
H8
GND
K1
K10
NC
GND
K2
VDD_P3
K25
D4
NC
GND
E2
VDD_P1
F1
DAC_REF
F13
GND
F17
VDD_P1
F2
F21
NC
VDD_C
F25
VDD_C
F26
C25
NC
VDD_DAC
D13
GND
D14
VDD_PLL
D17
VDD_C
D19
VDD_C
D2
NC
D23
NC
B24
B25
NC
NC
B26
NC
B3
VDD_C
B5
GND
B6
VDD_C
B9
NC
C2
GND
B10
VDD_P3
B12
GND
B15
VDD_P3
B17
GND
B18
B2
NC
GND
B20
GND
B21
VDD_P2
AF12
GND
AF15
AF2
NC
GND
AF23
NC
AF25
AF26
NC
VDD_P2
AF6
NC
B1
AE2
NC
NC
AE21
AE24
NC
NC
AE25
AE26
NC
NC
AE3
VDD_P2
AE6
NC
AF1
GND
AF10
AD25
NC
NC
AE1
GND
AE10
VDD_P2
AE12
GND
AE14
GND
AE15
NC
AE17
GND
AE18
VDD_C
AC14
VDD_A
AC16
GND
AC2
GND_RET
AC22
AC23
NC
NC
AC4
AD2
NC
GND
AA16
GND
AA2
VDD_A
AA20
AA21
NC
NC
AA25
NC
AA6
VDD_C
AB2
GND
AB26
A2
NC
GND
A21
NC
A25
A26
NC
VDD_P4
A3
GNDA6GND
A9
GND
AA1
EUSY0279001
A1
NC
A10
GND
VDD_P3
A12
GND
A15
VDD_P3
A17
VREG_MSMP_2.7V
VREG_MSMA_2.6V
U200-2
MSM6250_B
10K
R208
0.1u
C223
C212
0.01u
0.015u
C222
R216 2K
0.1u
0.1u
C218
C205
C214
1000p
C201 0.1u
0.01u
0.1u
C208
C234
VREG_MSMC_1.375V
TP_GPIO201
C220
1000p
C202 0.015u
C213
VREG_MSMP_2.7V
VREG_MSMP_2.7V
0.1u
0.1uC200
R212
VREG_MSMP_2.7V
NA
C231
1000p
C224
0.1u
C230
0.01u 0.1u
C236
R206
10K
0.01u
VREG_MSME_1.8V
C219
C242
2200p
C244
0.1u
10u
51KR213
C203
0.1u
33nF
C221
C246
TPSBST
C217
1KR215
22n
SDRAM1_CS_N[1]_XMEM1_CS_N[3]_GPIO[77]
Y6
R211 100K
EBI2_DATA[9]
W9
SDRAM1_D[20]
Y1
SDRAM1_D[21]
Y2
HKADC[2]
Y21
MODE[0]
Y23
Q_IM_CH0
Y25
Q_IP_CH0
Y26
XMEM1_CS_N[2]_SDRAM1_CS_N[0]
Y4
HPH_R
W15
HPH_L
W17
MICOUTN
W18
SDRAM1_D[19]
W2
I_IP_CH0
W21
I_IP_CH1(Reserved)
W26
SDRAM1_D[23]
W4
XMEM1_CS_N[0]
W6
SDRAM1_D[22]
V6
GPIO[75]_SDRAM1_DQM[3]
V8
SDRAM1_D[18]
W1
EBI2_ADD[1]
W10
W11
EBI2_ADD[6]
EBI2_ADD[9]
W12
EBI2_ADD[15]
W13
NAND2_CS_N_XMEM2_CS_N[0]
W14
GPIO[78]_SDRAM1_DQM[2]
U4
SDRAM1_D[16]
U6
WE1_N_SDRAM1_WE_N
U8
GPIO[79]_SDRAM1_A[0]
V1
OE1_N_SDRAM1_CLK_EN2
V2
I_IM_CH0
V21
I_IM_CH1(Reserved)
V25
SDRAM1_D[17]
V4
SDRAM1_D[27]
T2
ANT_SEL1_N_GPIO[10]
T23
SDRAM1_D[29]
T4
SDRAM1_D[30]
T6
SDRAM1_D[31]
T8
Q_IM_CH1(Reserved)
U21
Q_IP_CH1(Reserved)
U23
MODE[2]
U26
KEYSENSE_N[4]_GPIO[48]
R21
KEYSENSE_N[3]_GPIO[47]
R23
SDRAM1_D[24]
R4
SDRAM1_D[25]
R6
SDRAM1_D[28]
R8
SDRAM1_D[26]
T1
EBI2_ADD[14]
T13
LCD2_EN_GPIO[37]
T14
KEYSENSE_N[2]_GPIO[46]
P16
KEYSENSE_N[1]_GPIO[63]
P19
SDRAM_ADD[11]
P2
KEYSENSE_N[0]_GPIO[62]
P21
GSM_PA_PWR_CTL
P26
SDRAM_ADD[12]P6SDRAM_ADD[13]
P8
ANT_SEL0_N_GPIO[9]
R19
SDRAM_ADD[8]
USB_DAT_VP_I2C_SDA
N21
USB_RX_DATA_GPIO[29]
N23
USB_OE_TP_N
N25
USB_SUSPEND_GPIO[17]
N26
SDRAM_ADD[7]
N6
SDRAM_ADD[6]
N8
SDRAM_ADD[10]P1SDRAM_ADD[14]
P11
UART1_DP_RX_DATA_GPIO[96]
SDRAM_ADD[4]
M4
UB1_N_SDRAM1_DQM[1]
M6
SDRAM_ADD[3]M8SDRAM_ADD[9]
N1
SDRAM_ADD[5]
N11
UART1_CTS_N_GPIO[97]
N16
USB_SE0_VMI2C_SCL
N19
N2
UART3_CTS_N_GPIO[86]PM_SBDT
UART3_RFR_N_GPIO[87]
L25
UART1_DP_TX_DATA_GPIO[95]
L26
SDRAM_ADD[2]
L4
SDRAM1_D[15]
L6
SDRAM1_D[14]
L8
UART3_DP_TX_DATA_GPIO[84]PM_SBCK
M19
UART1_RFR_N_GPIO[98]
M21
M23
K6
ROM1_WAIT_N_SDRAM1_CAS_N
K8
SDRAM_ADD[1]
L1
MMC_CMD_GPIO[30]
L13
TX_AGC_ADJ
L14
RINGER_GPIO[18]
L19
LB1_N_SDRAM1_DQM[0]
L2
UART3_DP_RX_DATA_GPIO[85]PM_SBST
L21
L23
J26
SDRAM1_D[9]
J4
SDRAM1_D[5]
J6
SDRAM1_D[4]
J8
GRFC[11]_GPIO[80]
K19
SBCK
K21
GRFC[13]_GPIO[82]
K23
SDRAM1_D[13]
K4
SDRAM1_D[11]
SDRAM1_D[3]
H6
ETM_PIPESTAT1B_GPIO[43]
H9
SDRAM1_D[12]
J1
I2C_SCL_GPIO[27]
J19
SDRAM1_D[10]
J2
I2C_SDA_GPIO[26]
J21
SBDT
J23
GRFC[14]_GPIO[83]
J25
GRFC[12]_GPIO[81]
H17
H18
SBST1_GPIO[93]
CRE_SDRAM1_CLK_EN
H2
GP_MN_GPIO[13]
H21
ETM_GPIO_IRQ_SRC_GPIO[41]
H23
SBCK1_GPIO[0]
H25
SBST
H26
SDRAM1_D[7]
H4
H1
TX_VCO_1_EN_N_GPIO[7]
H10
KEYPAD_17_GPIO[53]
H11
GRFC[10]_TX_ON
H12
MMC_DATA_GPIO[32]
H13
TRK_LO_ADJ
H14
TRST_N
H15
RTCK
H16
PA_RANGE[0]_GP_PDM[1]
KEYPAD_9_GPIO[49]
ROM1_ADV_N_SDRAM1_RAS_N
G1
G2
SDRAM1_D[6]
BT_TX_RN_N_GPIO[21]
G21
BT_CLK_GPIO[25]
G23
SBDT1_GPIO[1]
G26
SDRAM1_D[2]
G4
UART2_CTS_N_GPIO[90]
G6
SDRAM1_D[8]
TDO
TCXO_EN_GPIO[94]
F18
F19
GP_PDM[0]_GPIO[92]
CAMIF_DATA[5]_GPIO[57]
F20
BT_SBST_GPIO[24]
F23
SDRAM1_D[0]
F4
UART1_DCD_N_GPIO[39]
F7
BACKLIGHT_ETM_TRACECLK_GPIO[66]
F8
F9
BT_SBDT_GPIO[22]
E25
BT_SBCK_GPIO[23]
E26
UART2_RFR_N_GPIO[91]
E4
UHF_BAND_SEL_GPIO[6]
F10
UART1_RI_GPIO[64]
F11
RESOUT_N
F12
RESIN_N
F14
TMS
F15
F16
ANT_SEL3_N_GPIO[12]
D5
PM_INT_N_GPIO[40]
D6
PS_HOLD_GPIO[42]
D7
UART1_DTR_GPIO[44]
D8
GSM_PA_BAND_GPIO[5]
D9
SDRAM1_D[1]
E1
CAMIF_HSYNC_GPIO[15]
E23
TDI
D15
TCK
D16
ETM_TRACESYNC_GPIO[65]
D18
CAMIF_DATA[9]_GPIO[61]
D20
CAMIF_DATA[7]_GPIO[59]
D21
CAMIF_DATA[2]_GPIO[54]
D22
CAMIF_PCLK_GPIO[14]
D25
BT_DATA_GPIO[20]
D26
B7
KEYPAD_11_GPIO[50]
UHF_VCO_0_EN_GPIO[3]
B8
UART2_DP_RX_DATA_USIM_PWR_EN_GPIO[89]
C1
CAMIF_DSP_CLK_GPIO[19]
C26
UART2_DP_TX_DATA_GPIO[88]
D1
KEYPAD_15_GPIO[52]
D10
TX_VCO_0_EN_N_GPIO[8]
D11
MMC_CLK_GPIO[31]
D12
USB_XTAL48_OUT
B11
B13
Q_OUT
I_OUT
B14
SLEEP_XTAL_OUT
B16
PA_ON[0]
B19
CAMIF_DATA[6]_GPIO[58]
B22
CAMIF_DATA[3]_GPIO[55]
B23
ANT_SEL2_N_GPIO[11]
B4
MICINP
AF22
AF24
CCOMP
EBI2_DATA[2]
AF3
WE2_N
AF4
EBI2_DATA[6]
AF5
OE2_N_NAND2_RE_N
AF7
EBI2_DATA[14]
AF8
EBI2_ADD[4]
AF9
EBI2_ADD[18]
AF13
LCD2_CS_N_GPIO[38]
AF14
XMEM2_CS_N[3]_GPIO[36]
AF16
WDOG_EN
AF17
EAR1OP
AF18
AUXIN_AUXIR
AF19
MIC1N
AF20
BOOT_MODE
AF21
MICINN
AE22
MICBIAS
AE23
NAND2_CLE_UB2_N
AE4
EBI2_DATA[4]
AE5
EBI2_DATA[11]
AE7
AE8
EBI2_DATA[13]
EBI2_ADD[2]
AE9
EBI2_ADD[11]
AF11
EBI2_DATA[15]
AC9
EBI2_DATA[1]
AD1
GSM_PA_PWR_CTL_REF
AD26
EBI2_ADD[10]
AE11
AE13
EBI2_ADD[17]
AE16
NAND2_FLASH_READY_GPIO[33]
AUXIP_AUXIL
AE19
MIC1P
AE20
MIC2P
MICFBP
AC20
MICFBN
AC21
HKADC[4]
AC25
HKADC[3]
AC26
LB2_N_NAND2_ALE_A2[0]
AC5
EBI2_DATA[5]
AC6
AC7
EBI2_DATA[7]
EBI2_DATA[12]
AC8
AC1
EBI2_ADD[5]
AC10
EBI2_ADD[8]
AC11
EBI2_ADD[13]
AC12
EBI2_ADD[19]
AC13
XMEM2_CS_N[2]_GPIO[35]
AC15
AC17
EAR1ON
AUXON_AUXOR
AC18
AC19
RESOUT_N_EBI1
EBI2_DATA[3]
AA7
EBI2_DATA[8]
AA8
EBI2_DATA[10]
AA9
XMEM1_CS_N[1]_GPIO[76]
AB1
HKADC[5]
AB23
HKADC[1]
AB25
EBI2_DATA[0]
AB4
ROM1_CLK_SDRAM1_CLK
XMEM2_CS_N[1]
AA14
EBI2_ADD[20]_GPIO[34]
AA15
AUXOP_AUXOL
AA17
MIC2N
AA18
MICOUTP
AA19
HKADC[0]
AA23
MODE[1]
AA26
AA4
KEYPAD_MEMO_GPIO[45]
A4
GPS_TCXO_GPIO[28]
A5
KEYPAD_13_GPIO[51]
A7
GSM_PA_EN_GPIO[4]
A8
EBI2_ADD[3]
AA10
EBI2_ADD[7]
AA11
EBI2_ADD[12]
AA12
EBI2_ADD[16]
AA13
I_OUT_N
A14
SLEEP_XTAL_IN
A16
A18
TCXO
PA_ON[1]_GPIO[2]
A19
PA_RANGE[1]_GP_PDM[2]
A20
CAMIF_DATA[8]_GPIO[60]
A22
CAMIF_DATA[4]_GPIO[56]
A23
CAMIF_VSYNC_GPIO[16]
A24
U200-1
EUSY0202101
MSM6250_A
USB_XTAL48_IN
A11
Q_OUT_N
A13
51K
R218
VREG_MSMP_2.7V
TP_CAM_IF
100K
R200
0.1u
C247
C239
180K
R210
1000p
C237
0.1u
ICRT20S48M0X514CR
X200
48MHz
13
2
C233
0.1u
C225 0.01u
51K
R217
51KR220
R221 51K
R222
C245
51K
0.01u
TP_UDAT
470K
R207
R214 NA
1000p
C229
C210
10u
1000p
VREG_MSMP_2.7V
C240
0.01uC209
TP_TCXO_EN
TPUSBP
0.01uC226
C207
0.01u
1000pC211
1M
R204
NAC215
TP_UCLK
0.1u
VREG_MSMA_2.6V
C206
TPUSBOE
TP_GPIO200
BUFF_TCXO
SLEEP_CLK
TX_IM
TX_QM
USB_XTAL_IN
NAND_ALE
MICFBN
MICFBP
MID_SPK+
RCV-
MMC_CD
EBI2_DATA(0)
VBAT_SENSE
VBAT_TEMP
ON_SW_N
EBI2_DATA(10)
EBI2_DATA(8)
EBI2_DATA(3)
MODE_1
AMUX_OUT
MICOUTP
MID_SPK-
LCD_ADS
OLED_CS_N
GSM_PA_EN
KEY_COL(2)
OLED_EN
KEY_COL(5)
CAM_VSYNC
CAM_DATA(2)
CAM_DATA(6)
LCD_MAKER_ID
EBI2_DATA(14)
EBI2_OE_N
EBI2_DATA(6)
EBI2_WE_N
EBI2_DATA(2)
MICINP
BOOT_MODE
MIC1N
RCV+
WDOG_EN
LCD_CS_N
EBI2_DATA(13)
EBI2_DATA(11)
EBI2_DATA(4)
NAND_CLE
MICBIAS
MICINN
MIC1P
NAND_READY
GSM_PA_PWR_CTL_REF
EBI2_DATA(1)
EBI2_DATA(15)
EBI2_DATA(12)
EBI2_DATA(7)
EBI2_DATA(5)
UART_RI
USIM_CLK
BT_SBCK
BT_SBDT
CAM_HSYNC
SDRAM_DATA(1)
GSM_PA_BAND
UART_DTR
PS_HOLD
PM_INT_N
LCD_LDO_EN
BT_DATA
CAM_PCLK
CAM_DATA(0)
CAM_DATA(5)
CAM_DATA(7)
SPK_SW_ON
JTAG_TCK
JTAG_TDI
MMC_CLK
GSM_TX_VCO_0_EN_N
KEY_COL(1)
USIM_DATA
CAM_MCLK
KEY_COL(3)
ANT_SEL2
CAM_DATA(1)
CAM_DATA(4)
PA_ON
TX_IP
TX_QP
USB_XTAL_OUT
SBST
CAM_SENSE
CAM_IF_PROBE
SDRAM_CLK_EN
SPK_AMP_EN
PA_R0
JTAG_RTCK
JTAG_TRST_N
MMC_DATA
RF_ON_TX_ON
KEY_COL(0)
GSM_TX_VCO_1_EN_N
SDRAM_DATA(8)
USIM_RST_N
SDRAM_DATA(2)
BT_CLK
BT_TX_RX_N
SDRAM_DATA(6)
SDRAM_RAS_N
KEY_COL(4)
CAM_P_DOWN
UART_DCD_N
SDRAM_DATA(0)
BT_SBST
CAM_DATA(3)
LCD_BACK_EN
TCXO_EN
JTAG_TDO
JTAG_TMS
RESET_IN_N
RESOUT_N
SDRAM_DQM(1)
SDRAM_ADDR(4)
UART_RXD
UART_RFR_N
PM_SBCK
SDRAM_DATA(14)
SDRAM_DATA(15)
SDRAM_ADDR(2)
UART_TXD
LCD_IF_MODE
PM_SBDT
PM_SBST
SDRAM_DQM(0)
KEY_COL(6)
MMC_CMD
SDRAM_ADDR(1)
SDRAM_CAS_N
SDRAM_DATA(11)
SDRAM_DATA(13)
SBCK
FOLDER_DETECT
SDRAM_DATA(4)
SDRAM_DATA(5)
SDRAM_DATA(9)
HOOK_SENSE_H
SBDT
I2C_SDA
SDRAM_DATA(10)
I2C_SCL
SDRAM_DATA(12)
SDRAM_DATA(3)
SDRAM_DATA(7)
SDRAM_DATA(19)
RX_IP
SDRAM_DATA(23)
EBI2_DATA(9)
SDRAM_DATA(20)
SDRAM_DATA(21)
HDET1
RX_QM
RX_QP
SDRAM_CS_N(0)
CAM_PWR_EN
SDRAM_ADDR(13)
SDRAM_ADDR(12)
GSM_PA_RAMP
KEY_ROW(0)
SDRAM_ADDR(11)
KEY_ROW(1)
KEY_ROW(2)
SDRAM_ADDR(14)
SDRAM_ADDR(10)
SDRAM_ADDR(6)
SDRAM_ADDR(7)
CAM_RESET_N
USB_OE_N
LCD_RESET_N
USB_DAT
SDRAM_ADDR(8)
USB_SE0
UART_CTS_N
SDRAM_ADDR(5)
SDRAM_ADDR(9)
SDRAM_ADDR(3)
ANT_SEL0
KEY_ROW(4)
KEY_ROW(3)
SDRAM_DATA(24)
SDRAM_DATA(25)
SDRAM_DATA(28)
SDRAM_DATA(26)
EAR_SENSE_N
SDRAM_DATA(27)
ANT_SEL1
SDRAM_DATA(29)
SDRAM_DATA(30)
SDRAM_DATA(31)
SDRAM_DQM(2)
SDRAM_DATA(16)
SDRAM_WE_N
SDRAM_ADDR(0)
RX_IM
SDRAM_DATA(17)
SDRAM_DATA(22)
SDRAM_DQM(3)
SDRAM_DATA(18)
NAND_CS_N
HPL_R
HPL_L
MICOUTN
NAND_WP_N
USB_XTAL_IN
USB_XTAL_OUT
WDOG_EN
TX_AGC_ADJ
TRK_LO_ADJ
BOOT_MODE
MIC2N
MIC2P
SDRAM_CLK
SDRAM_DATA(0:31)
EBI2_DATA(0:15)
SDRAM_ADDR(0:14)
GND_RET
MODE_1
DAC_REF
GND_RET
MICOUTN
MICOUTP
MICFBN
MICFBP
MICINN
MICINP
7. CIRCUIT DIAGRAM
KU450/U450
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 151 -
LGMC
VBAT
PWR
URXD
UTXD
3G2.5G
GND
RX
TX
UFLS
ON_SW
VBAT
PWR
URXD
UTXD
3G2.5G
GND
RX
TX
UFLS
ON_SW
U450_REV_C
PLR0504F-P
VREG_USIM_2.85V
KU450
3/6
MCP & USIM
USIM
MCP(512Mb NAND + 512Mb 1 piece SDRAM)
R304 10K
VREG_MSMP_2.7V
OJ301
0.1uFC310
VREG_MSME_1.8V
OJ302
TP304
TP305
C309 0.1uF
TP300
100K
R301
OJ303
TP306
C301
33p
33p
VREG_USIM_2.85V
C300
R303 100K
0.1uFC303
VREG_MSMP_2.7V
C305 0.1uF
0.1uFC306
C307 0.1uF
12
CTS
10
DSR
GND
1
NC1
4
NC2
7
8
NC3
NC4
9
ON_SW
5
RTS
11
2
RX
TX
3
6
VBAT
OJ300
J
R302 0
TP318
U300
1
2
34
5
6
TP307
VREG_USIM_2.85V
EDTY0008607
C308
TP302
5
VPP
0.1uF
J300
ENSY0001602
CLK
3
GND
4
6
I_O
2
RST
1
VCC
0.1uC312
0.1u
C311
C302
0.01u
C304 0.1uF
TP317
4.7K
TP316
TP303
R300
56nH
L300
TP301
_WEN
_WP
L6
U10
U13
VSS12
VSS2
F7
G2
VSS3
G13
VSS4
L13
VSS5
VSS6
P2
VSS7
P13
R8
VSS8
VSS9
U2
E6
_CAS
_CE
M9
_CS
E5
D5
_RAS
M10
_RE
D6
_WED
K6
N11
N12
NC97
NC98
N13
NC99
P7
M2
RY__BY
C7
VCCD1
VCCD2
D2
D13
VCCD3
V3
VCCD4
VCCD5
V8
VCCD6
V12
K12
VCCN2
VCCQD1
V4
V9
VCCQD2
C6
VSS1
VSS10
U6
VSS11
NC81
NC82
L5
NC83
L9
NC84
L11
L14
NC85
M5
NC86
NC87
M6
NC88
M12
N2
NC89
B1
NC9
NC90
N3
N4
NC91
NC92
N5
N6
NC93
NC94
N9
N10
NC95
NC96
NC67
NC68
K1
K2
NC69
A13
NC7
NC70
K3
K4
NC71
NC72
K5
NC73
K9
K10
NC74
NC75
K11
NC76
K13
K14
NC77
NC78
L1
L2
NC79
A14
NC8
NC80
L3
L4
H2
H3
NC53
NC54
H4
H5
NC55
NC56
H6
H9
NC57
H11
NC58
H13
NC59
NC6
A12
NC60
J2
J3
NC61
NC62
J4
J5
NC63
NC64J6NC65
J10
J11
NC66
J13
NC38
NC39
F10
A4
NC4
F11
NC40
NC41
F12
F13
NC42G3NC43
NC44
G4
G5
NC45
NC46
G6
G7
NC47
NC48
G8
G9
NC49
A11
NC5
NC50
G10
G11
NC51
NC52
D14
E1
NC24
E7
NC25
NC26
E8
E9
NC27
NC28
E10
E11
NC29
A3
NC3
NC30
E12
E13
NC31
NC32
F2
F3
NC33
NC34
F4
F5
NC35
NC36F6NC37
F8
F9
W12
W13
NC129
B11
NC13
NC130
W14
J12
NC131
D7
NC132
B12
NC14
B13
NC15
B14
NC16
NC17
C1
C2
NC18
C5
NC19
A2
NC2
C13
NC20
C14
NC21
D1
NC22
NC23
NC113
NC114
V14
Y1
NC115
NC116
Y2
Y3
NC117
NC118
Y4
Y11
NC119
B4
NC12
NC120
Y12
Y13
NC121
NC122
Y14
W1
NC123
NC124
W2
W3
NC125
NC126
W4
W11
NC127
NC128
NC1
B2
NC10
P8
NC100R2NC101
NC102R7NC103
R9
T2
NC104
NC105T3NC106T7NC107
T13
U1
NC108U3NC109
B3
NC11
NC110
U14
V1
NC111
NC112
V2
V13
DQ6
U7
DQ7
DQ8
T9
DQ9
T10
U8
DQM0
T8
DQM1
V7
DQM2
U9
DQM3
M11
IO1
M13
IO2
L10
IO3
L12
IO4
J9
IO5
H12
IO6
H10
IO7
IO8
G12
A1
T5
P5
DQ20
DQ21
R5
P6
DQ22
R6
DQ23
DQ24
P9
P10
DQ25
DQ26
R10
DQ27
P11
DQ28
R11
P12
DQ29
V5
DQ3
DQ30
R12
R13
DQ31
DQ4
U5
DQ5
T6
V6
BA1
D8
CKE
M4
CLE
CLK
C8
DQ0
U4
T4
DQ1
DQ10
V10
T11
DQ11
DQ12
U11
V11
DQ13
DQ14
T12
U12
DQ15
DQ16
P3
DQ17
R3
DQ18
P4
R4
DQ19
DQ2
EUSY0297301
C3
A0
D3
A1
A10
E4
D9
A11
C9
A12
E3
A2
E2
A3
D12
A4
C12
A5
D11
A6
C11
A7
D10
A8
C10
A9
M3
ALE
C4
BA0
D4
TY9000A800EOGG
U301
TP308
NC3
8
9
NC4
5
ON_SW
11
RTS
RX
2
3
TX
VBAT
6
UART_TXD
UART_RXD
PM_ON_SW_N
UART
CTS
12
DSR
10
1
GND
4
NC1
7
NC2
USIM_P_DATA
USIM_P_RST_N
USIM_P_CLK
USIM_P_RST_N
USIM_P_CLKUSIM_P_DATA
VBATT
UART_TXD
UART_RXD
PM_ON_SW_N
USB_D+
USB_D-
USB_VBUS
JTAG_RTCK
JTAG_TDO
JTAG_TDI
JTAG_TMS
JTAG_TRST_N
RESET_IN_N
JTAG_TCK
JTAG_PS_HOLD
MODE_1
SDRAM_DATA(7)
SDRAM_DATA(8)
SDRAM_DATA(2)
SDRAM_DATA(6)
SDRAM_DATA(0)
SDRAM_DATA(1)
SDRAM_DATA(10)
SDRAM_DATA(14)
SDRAM_DATA(18)
SDRAM_DATA(29)
SDRAM_DATA(31)
SDRAM_ADDR(10)
RESOUT_N
NAND_CS_N
SDRAM_CS_N(0)
NAND_READY
SDRAM_DQM(0)
EBI2_DATA(7)
EBI2_DATA(6)
EBI2_DATA(5)
EBI2_DATA(4)
EBI2_DATA(3)
EBI2_DATA(2)
EBI2_DATA(1)
EBI2_DATA(0)
EBI2_DATA(0:7)
SDRAM_DATA(0:31)
SDRAM_DATA(21)
SDRAM_DATA(20)
SDRAM_DATA(23)
SDRAM_DATA(19)
SDRAM_DATA(22)
SDRAM_DATA(17)
SDRAM_DATA(16)
SDRAM_DATA(30)
SDRAM_DATA(27)
SDRAM_DATA(26)
SDRAM_DATA(28)
SDRAM_DATA(25)
SDRAM_DATA(24)
SDRAM_DATA(15)
SDRAM_DATA(11)
SDRAM_DATA(13)
SDRAM_DATA(4)
SDRAM_DATA(5)
SDRAM_DATA(9)
SDRAM_DATA(12)
SDRAM_DATA(3)
SDRAM_ADDR(0)
SDRAM_ADDR(0:12)
SDRAM_ADDR(14)
SDRAM_ADDR(13)
EBI2_WE_N
SDRAM_CLK
EBI2_OE_N
SDRAM_CLK_EN
SDRAM_ADDR(8)
SDRAM_RAS_N
SDRAM_WE_N
SDRAM_CAS_N
NAND_ALE
NAND_CLE
NAND_WP_N
SDRAM_ADDR(6)
SDRAM_ADDR(7)
SDRAM_ADDR(12)
SDRAM_ADDR(1)
SDRAM_ADDR(2)
SDRAM_ADDR(4)
SDRAM_ADDR(3)
SDRAM_ADDR(9)
SDRAM_ADDR(5)
SDRAM_ADDR(11)
SDRAM_DQM(3)
SDRAM_DQM(2)
SDRAM_DQM(1)
7. CIRCUIT DIAGRAM
KU450/U450
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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