LG LG-E400 - Page 152

- 152 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
K74
103R
U200
9JA
01HA 62FA
42FA 22FA 02
FA
81
FA
61FA 52CA
32
CA
12
CA
91CA 71CA 51
CA
62BA 42BA 22BA
02
BA
81
BA
61BA 41BA
5
2W
32W 1
2W
91W
71W 51W 6
2V
42V 22V 0
2V
8
1V
61V
41V 5
2R
3
2R
12R 91R 7
1R
5
1R
31R 11R
6
2P
42P
22P 02P 81P 61P 41P 21P
72N
9N
72L 52L 32L 12L 91L 71L
51L 31L 1
1L
62K
42K
9J
AT36
AT30
AT24
AT16
AT10
AT2
AR35
AR29
AR9
AR1
AL1
AK36
AK2
AH26
AH24
AH22
AH20
AG15
AG13
AG11
AG9
AF14
AF12
AF10
AF8
AC13
AC11
AC9
F6
D12
AM4
AP34
AP28
AP16
AN9
AK4
AD4
T4
D30
D28
D20
AK34
AC33
W33
U33
L33
F34
U7
AA11
Y12
U11
U13
W9
AA9
W5
AJ21
AK22
AK16
M4
L5
G5
F4
D4
D10
G9
G11
AC5
E21
G21
T12
T8
R9
P28
N25
N23
N21
N19
N17
N15
N13
N11
N1
M36
M28
M26
M24
M22
M20
M18
M16
M14
M12
M8
L35
L9
K28
J27
J25
J23
J21
J19
J17
J15
J13
J11
H24
G1
F36
E35
C1
B36
B30
B2
A35
A29
A23
A17
A11
A3
A1
AJ19
AJ23
AP20
AJ17
L7
J5
G7
J7
B24
AB12
AB8
W11
U9
W13
V8
Y8
AA13
V12
M2
W7
AC7
C3
H2
B10
H8
H10
81HA 61HA 41HA 21
HA
8
HA
82FA 52EA 32E
A
1
2EA
91EA 71EA 51E
A
31EA 11EA 9EA 1
EA
63DA 82DA 62DA 4
2DA
22DA 02DA 81DA 61DA 41D
A
21DA 01DA 2DA 53
CA
8
2BA
01BA 52AA 32
AA
12
AA
91AA 71AA 5
1AA
82Y 62Y 42Y 22
Y
02Y 81Y 61Y 41Y 1W 63V 82V 2V 53U 52U 32U 12U 91U 7
1U
51U 82T 62
T
42T 22T 02T 81T 6
1T
41T
25
_
DN
G
35
_D
N
G
4
5
_DNG
5
5
_DN
G
65_DN
G
75
_
DN
G
85_D
N
G
95
_
DNG
06
_
DN
G
16
_D
N
G
26
_DNG
3
6
_DNG
46_DN
G
56
_
DN
G
6
6
_
DN
G
76_D
N
G
86
_
DNG
96_DNG 07
_DNG
1
7
_DNG
27_DN
G
37
_
DN
G
4
7
_
DN
G
57_D
N
G
6
7
_DNG
77
_
DN
G
87
_
DN
G
97_DNG 0
8
_D
N
G
18
_
DN
G
28
_
DN
G
38_DNG 4
8
_D
N
G
58
_
DN
G
68
_
DN
G
7
8
_DNG
8
8
_DNG
98
_
DN
G
09
_
DN
G
1
9
_DNG
2
9
_D
N
G
39_DNG 49
_D
N
G
59
_
DN
G
69_DNG 79_DNG 89
_
DN
G
99
_
DN
G
001_DNG 101_DNG 2
01
_
DN
G
301
_
DN
G
401_DNG 50
1
_DNG
6
01
_
DN
G
7
01
_
DN
G
801_DNG 90
1
_DNG
0
11
_
DN
G
1
11
_
DN
G
211_DNG 311_DNG 411_DNG 511_DNG
GND_A_1
GND_A_2
GND_A_3
GND_A_4
GND_A_5
GND_A_6
GND_A_7
GND_A_8
GND_A_9
GND_A_10
GND_A_11
GND_A_12
GND_A_13
GND_A_14
GND_A_15
GND_A_16
GND_A_17
GND_A_18
GND_A_19
GND_A_20
GND_A_21
GND_A_22
GND_A_23
GND_A_24
GND_A_25
GND_A_26
GND_1
GND_2
GND_3
GND_4
GND_5
GND_6
GND_7
GND_8
GND_9
GND_10
GND_11
GND_12
GND_13
GND_14
GND_15
GND_16
GND_17
GND_18
GND_19
GND_20
GND_21
GND_22
GND_23
GND_24
GND_25
GND_26
GND_27
GND_28
GND_29
GND_30
GND_31
GND_32
GND_33
GND_34
GND_35
GND_36
GND_37
GND_38
GND_39
GND_40
GND_41
GND_42
GND_43
GND_44
GND_45
GND_46
GND_47
GND_48
GND_49
GND_50
GND_51
VDD_USBPHY_1P8
VDD_USBPHY_3P3
VDD_A1_1
VDD_A1_2
VDD_A1_3
VDD_A1_4
VDD_A1_5
VDD_A1_6
VDD_A1_7
VDD_A1_8
VDD_A1_9
VDD_A2
VDD_A3_1
VDD_A3_2
VDD_A4
VDD_A5
VDD_A6_1
VDD_A6_2
VDD_A6_3
VDD_A6_4
VDD_A6_5
VDD_EFUSE_PROG
VDD_P1_1
VDD_P1_2
VDD_P1_3
VDD_P1_4
VDD_P1_5
VDD_P1_6
VDD_P2_1
VDD_P2_2
VDD_P2_3
VDD_P2_4
VDD_P2_5
VDD_P2_6
VDD_P2_7
VDD_P2_8
VDD_P2_9
VDD_P2_10
VDD_P3
VDD_P4_1
VDD_P4_2
VDD_C2_1
VDD_C2_2
VDD_C2_3
VDD_C2_4
VDD_C2_5
VDD_C2_6
VDD_C2_7
VDD_C2_8
VDD_C2_9
VDD_C2_10
VDD_C2_11
GND_116
GND_117
GND_118
GND_119
GND_120
GND_121
GND_122
GND_123
GND_124
GND_125
GND_126
GND_127
GND_128
GND_129
GND_130
GND_131
GND_132
1_
1C
_
DD
V
2
_
1C_DDV
3_1C_DDV 4_1C_DDV 5_
1C
_
DD
V
6
_
1C_DDV
7_1C_DDV 8_1C_DDV
9_
1C
_
DD
V
0
1
_1C
_
DD
V
11_1C_DDV 2
1_
1
C_
D
DV
3
1
_1
C_
D
DV
4
1
_1C
_
DD
V
51_1C_DDV 6
1_
1
C_
D
DV
7
1
_1
C_
D
DV
81_1C_DDV 9
1
_1C
_
DD
V
02_1C_DDV
12_1C_DDV
2
2_
1
C_
D
DV
3
2
_1C
_
DD
V
42_1C_DDV 52_1C_DDV 6
2
_1C
_
DD
V
7
2
_1C
_
DD
V
82_1C_DDV 9
2_
1
C_
D
DV
0
3
_1
C_
D
DV
1
3
_1C
_
DD
V
23_1C_DDV 3
3_
1
C_
D
DV
4
3
_1
C_
D
DV
5
3
_1C
_
DD
V
63_1C_DDV
73_1C_DDV 8
3
_1C
_
DD
V
93_1C_DDV 04_1C_DDV 1
4_
1
C_
D
DV
24_1C_DDV
3
4_
1
C_
D
DV
4
4
_1C
_
DD
V
54_1C_DDV
64_1C_DDV 7
4
_1
C_
D
DV
8
4
_1C
_
DD
V
94_1C_DDV 05_1C_DDV 1
5
_1
C_
D
DV
25_1C_DDV
35_1C_DDV
45_1C_DDV 5
5
_1C
_
DD
V
6
5
_1C
_
DD
V
75_1C_DDV 85_1C_DDV 9
5
_1C
_
DD
V
0
6
_1C
_
DD
V
16_1C_DDV 26_1C_DDV
36_1C_DDV
46_1C_DDV
403R
K74
20
3
R
K74
C326
470n
C329
470n
C331
470n
C332
470n
C333
470n
470n
C344C343
470n
C346
470n
C345
470n
VREG_USIM2_2.85V
R314
0
C353
470n
0
R311
VREG_MSME_1.8V
C335
470n
VREG_P3_2.85V
470n
C337
470n
C336
C347
470n
C327
470n 470n
C328
470n
C351
C341
470n
R310
22
R316
1K
VREG_MSMA1_2.6V
VREG_MSMA2_1.2V
VREG_MSME_1.8V
C364
470n
VREG_PADAC_2.05V
VREG_PLL_1.1V
213R
K74
C355
470n
C330
470n
C334
470n22u
C342
C338
470n
C354
470n
VREG_MSMC1_1.1V
C325
22u
VREG_MSMC2_1.1V
U301
EAN62335901
MT29KZZZ4D4RGFAK-5_W
G3
2G 1G 41F 31F 21F 01F 3F 2F 1F 41E 31E 21E 01E
E9
E8
E5
3E 2E 1E 41D 31D 21D 3
D
2D 1D 41C
P14C13
P13C12
P12C11
P11C10
P10
C9 P9
C8 P8
C7
P7
C5
P2
C3
P1
C1
N14
B14
N13
B13
N12
B12
N11
B11
N10
B10
N9
B9
N8
B8
N7
B7
N6
B1
N3
A14
N1
A13
M14
A12
M13
A11
M12
A10
M11
A9
M10
A8
M9
A7
M8
A6
M7A2
M3A1
M2
M1
P6
L14
P4
L13
N5
L12
N2
L3
K8
L2
H10
L1
G5
K14
E7
K13
C4
K12
K10
K9
K7
J10
K6
F5
K5
E6
3K
P5
2K
P3
1
K
N4
41J
M4
31J
C6
J12
C2
J5
J3
M5
J2
J1
M6
H14
H13
B6
H12
B5
H5
B4
H3
B3
H2
B2
H1
A5
G14
A4
G13
A3
G12
G10
D4
TQ
NC16
CK
DAT0
VDDQ5
DAT1
VDD1
DAT2
VDDQ4
DAT3
RAS#
DAT4
WE#
DAT5
NC24
DAT6
CK#
DAT7
VDDQ1
VSS8
CLK
CKE1
CAS#
CMD
CS1#
NC17
VDDIM
DQS1
VCCQM3
1MD
VCCQM2
2QSSV
VCCQM1
1AB
VCCQM5
9SSV
VCCQM4
0
1A
VCCM1
RSTn
VCCM3
NC22
VCCM4
NC15
VCCM2
NC21
DQ13
VSSQM1
DQ14
VSS7
DQ15
VSS6
BA0
VSS3
A0
VSS5
A1
VSSQM5
DQ11
VSSQM4
DQ12
VSSQM3
VSSQ1
VSSQM2
VSS4
VDD3
DNU4 A2
NC2 DQ1
NC1
DQ3
NC3
DQ5
VDDQ6
DQ7
VSSQ8
DM0
VSS2
DQ9
VDD4
DQ10
VSSQ7
VDDQ7
NC6
NC8
DNU3
A3
NC18
VSSQ4
DQ30
DQ0
DQ28
DQ2
DQ26
DQ4
DQ24
DQ6
DQS3
DQS0
DQ23
DQ8
VDDQ8
VDDQ9
NC7
NC9
VSS1
DNU2
A4
NC10
NC23
NC5
DQ31
VDDQ3DQ29
VSSQ3DQ27
NC4
DQ25 VDD2
DM3 VSSQ6
DQ22 NC11
DQ21 DNU1
2QDDV
5A 6A 7A
91QD 02QD
5QSSV
21A 11A
8A
NC12
NC19
NC13
41CN 81QD 71QD 61QD 5DDV
31A
9A
52CN 2SQD
2MD
9QSSV
0E
K
C
#0SC
RFU
513R
K001
VREG_MSME_1.8V
C302
470n
VREG_MSMA1_2.6V
303C u1.0
u1703C
u1803C
u1813C
C359
470n
C358
470n
C357
470n
C356
470n
C365
470n
C366
470n
C361
470n
C316
470n
C301
470n
C362
470n
VREG_PLL_1.1V
C360
470n
C363
470n
VREG_MSME_1.8V
223C u2.2
u1423C
VREG_MSME_1.8V
113C u2.2
u1023C u1123C
VREG_MSME_1.8V
V8.1_EMSM_GERV
323C
u2.2
V8
.
1_EMSM
_
GERV
303R
K74
503R
K74
603R
K74
9
03
R
K01
803R
K74
K74
703R
VREG_MSME_1.8V
u1913C
603C u2.2
u1013C
VREG_P3_2.85V
213C u2.2
C304
u1
R313
0
u1903C
713C u2.2
VREG_MSME_1.8V
VREG_MSME_1.8V
003C
n074
VREG_USB_1.8V
C313
0.1u
C314
0.1u
C315
0.1u
C348
470n
C349
470n
C350
470n
C352
470n
C339
470n
C340
470n
0
00
3
R
VREG_USB_3.3V
VREG_USB_1.8V
VREG_USB_1.8V
nRESETOUT
nSDRAM_WE
nSDRAM_RAS
SDRAM_DQS3
2SQD_MARDS
SDRAM_DQS1
SDRAM_DQS0
SDRAM_DQM3
2MQD_MARDS 1MQD_MARDS
SDRAM_DQM0
SDRAM_DCLK1
SDRAM_DCLK0
nSDRAM_CAS
1AB_MARDS
SDRAM_BA0
SDRAM_DATA[25]
]81[ATAD_MARDS
SDRAM_DATA[15]
SDRAM_DATA[12]
0SC_MARDSn
VREG_MSMC2_1.1V
V
1.1_1CMSM_GERV
0EKC_MARDS
nSDRAM_CS1
SDRAM_CKE1
]61[ATAD_MARDS
SDRAM_DATA[0]
SDRAM_DATA[1]
SDRAM_DATA[2]
SDRAM_DATA[3]
SDRAM_DATA[4]
SDRAM_DATA[5]
SDRAM_DATA[6]
SDRAM_DATA[7]
SDRAM_DATA[8]
SDRAM_DATA[9]
SDRAM_DATA[10]
SDRAM_DATA[11]
SDRAM_DATA[13]
SDRAM_DATA[14]
]71[ATAD_MARDS
]91[ATAD_MARDS ]02[ATAD_MARDS
SDRAM_DATA[21]
SDRAM_DATA[22]
SDRAM_DATA[23]
SDRAM_DATA[24]
SDRAM_DATA[26]
SDRAM_DATA[27]
SDRAM_DATA[28]
SDRAM_DATA[29]
SDRAM_DATA[30]
SDRAM_DATA[31]
SDRAM_ADDR[0]
SDRAM_ADDR[1]
]01[RDDA_MARDS ]11[RDDA_MARDS ]21[RDDA_MARDS
SDRAM_ADDR[2]
SDRAM_ADDR[4]
]5[RDDA_MARDS ]6[RDDA_MARDS ]7[RDDA_MARDS
]8[RDDA_MARDS
]9[RDDA_MARDS
]31[RDDA_MARDS
V1.
1
_1
C
MSM_SNSV
VSNS_MSME_1.8V
VSNS_MSMC2_1.1V
eMMC_CMD
eMMC_CLK
eMMC_DATA[7]
eMMC_DATA[6]
eMMC_DATA[5]
eMMC_DATA[4]
eMMC_DATA[3]
eMMC_DATA[2]
eMMC_DATA[1]
eMMC_DATA[0]
SDRAM_ADDR[3]
(P1 : 3ea, P2 : 6ea, P4 : 2ea)
MICRON
Cap for MSM7x25_A Power
MSM7x25_A Power Part
MCP (4GB eMMC +4Gb LPDDR1)
(USB1.8 : 1ea, A3 : 2ea, A5 : 1ea)
1608