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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
R330
10K
X300 DSX321G(12MHz,8PF)
12MHz
2
1
3
4
4.7K
R300
R348
33
12
11
10
9
8
7
6
5
4
3
2
1
H
G
F
E
D
C
B
A
H
G
F
E
D
C
B
A
12
11
10
9
8
7
6
5
4
3
2
1
K0
1
41
3
R
K0
1
31
3
R
K0
1
21
3
R
K0
1
11
3
R
K0
1
01
3
R
2V6_IO
CN300
AXT430164
16
15
17
14
18
13
19
12
20
11
21
10
22
9
23
8
24
7
25
6
26
5
27
4
28
3
29
2
30
1
G1
G2
G3
G4
4.7K
R316
18K
R315
10K
R326
2V6_IO
2V6_IO
1.5K
R319
1.5K
R318
1M
R322
220
R325
15p
C303
15p
C302
12p
C305
12p
C304
220
R324
32.768KHz
X301
FC-135_32.768KA-AC3
2
1
BS
U_
3V
3
10K
R303
ER
OC
_2
V1
0
40
3
R
0
50
3
R
1u
C300
BS
U_
3V
3
44.2
R306
1u
C301
10K
R301
44.2
R308
18K
R302
1V2_CORE
2V6_IO
10K
R317
U201
L2000
32
LA
42
KA
42
LA
52
KA
12
LA
02
KA
02
LA
81
JA
11
LA
11
KA
21
JA
21
KA
21
LA
31
LA
31
KA
31
JA
31
GA
21
GA
41
GA
41
KA
7K
A
7L
A
7J
A
6L
A
6J
A
6K
A
5J
A
5K
A
8F
A
11
CA
01
CA
9C
A
7F
A
8C
A
01
KA
01
LA
9L
A
9K
A
9J
A
9G
A
8G
A
8J
A
8K
A
8L
A
AJ11
AJ10
AF9
E10
E9
E8
E7
AJ15
AJ14
AG7
AG6
AG5
AF19
AG19
AF17
AG17
AG18
AF18
AB8
AB9
AA9
AA8
M5
M6
N5
N6
P5
P6
R5
R6
G20
G21
N25
N24
N23
P23
P24
P25
R25
R24
R23
T25
AA23
AF23
AF24
AG23
AG24
AG25
AH25
AL5
AK4
Y2
Y1
W1
AK22
AL22
AK17
AL16
U5
U6
V6
Y6
Y5
W6
T8
T9
R9
R8
U9
U8
AA2
AA1
AB1
AB2
AC2
AC1
AD1
AD2
AB5
AB6
AC6
AC5
AD5
AD6
02
H
12
H
12
J
02
J
02
L
12
L
12
M
02
M
02
N
12
N
12
P
02
P
02
R
12
R
12
T
02
T
02
U
12
U
12
V
02
V
02
W
12
W
32
W
42
W
52
W
52
Y
42
Y
32
Y
12
Y
02
Y
02
AA
12
AA
52
AA
42
AA
32
BA
12
BA
02
BA
02
CA
02
DA
12
DA
12
CA
32
CA
32
DA
32
EA
42
EA
52
EA
52
FA
0A
E/
1R
DD
A_
H
1A
E/
2R
DD
A_
H
2A
E/
3R
DD
A_
H
3A
E/
4R
DD
A_
H
4A
E/
5R
DD
A_
H
5A
E/
6R
DD
A_
H
6A
E/
7R
DD
A_
H
7A
E/
8R
DD
A_
H
8A
E/
9R
DD
A_
H
9A
E/
01
RD
DA
_H
01
AE
/1
1R
DD
A_
H
11
AE
/2
1R
DD
A_
H
21
AE
/3
1R
DD
A_
H
31
AE
/4
1R
DD
A_
H
41
AE
/5
1R
DD
A_
H
0D
E/
0A
TA
D_
H
1D
E/
1A
TA
D_
H
2D
E/
2A
TA
D_
H
3D
E/
3A
TA
D_
H
4D
E/
4A
TA
D_
H
5D
E/
5A
TA
D_
H
6D
E/
6A
TA
D_
H
7D
E/
7A
TA
D_
H
8D
E/
8A
TA
D_
H
9D
E/
9A
TA
D_
H
01
DE
/0
1A
TA
D_
H
11
DE
/1
1A
TA
D_
H
21
DE
/2
1A
TA
D_
H
31
DE
/3
1A
TA
D_
H
41
DE
/4
1A
TA
D_
H
51
DE
/5
1A
TA
D_
H
61
DE
/4
3O
IP
G
71
DE
/5
3O
IP
G
81
DE
/6
3O
IP
G
91
DE
/7
3O
IP
G
02
DE
/8
3O
IP
G
12
DE
/9
3O
IP
G
22
DE
/0
4O
IP
G
0T
SE
T/
32
DE
/1
4O
IP
G
1T
SE
T/
42
DE
/2
4O
IP
G
2T
SE
T/
52
DE
/3
4O
IP
G
3T
SE
T/
62
DE
/4
4O
IP
G
4T
SE
T/
72
DE
/5
4O
IP
G
5T
SE
T/
82
DE
/6
4O
IP
G
6T
SE
T/
92
DE
/7
4O
IP
G
7T
SE
T/
03
DE
/8
4O
IP
G
8T
SE
T/
13
DE
/9
4O
IP
G
GPIO50/NAND_RB
GPIO51/NAND_RE
GPIO52/NAND_CE
GPIO53/NAND_CLE
GPIO54/NAND_ALE
GPIO55/NAND_WE
GPIO56/NAND_DATA0
GPIO57/NAND_DATA1
GPIO58/NAND_DATA2
GPIO59/NAND_DATA3
GPIO60/NAND_DATA4
GPIO61/NAND_DATA5
GPIO62/NAND_DATA6
GPIO63/NAND_DATA7
USB_MODE
EXTCLK_MODE
MODE0
MODE1
MODE2
MODE3
GPIO20/NAND_CFG0/STATUS0
GPIO21/NAND_CFG1/STATUS1
GPIO22/PLL_CFG/STATUS2
JTAG_CFG0
JTAG_CFG1
TESTMD_N
CLK32_XI
CLK32_XO
EXTAL1_XI
EXTAL1_XO
RESET_N
RESET_OUT_N
TCXO_ON
EXT_TIME_TIC
BB_TIME_TIC
CS_N/ECS0_N
RD_N/ERD_N
WR_N/EWR_N
LLA_N/ECS1_N
EPI_SYNC
EPI_MODE
H_INT_N
GPIO0/PMU_TEST_MON0
GPIO1/PMU_TEST_MON1
GPIO2/PMU_TEST_MON2
GPIO3/PMU_TEST_MON3
GPIO4/PMU_TEST_MON4
GPIO5/PMU_TEST_MON5
GPIO6/PMU_TEST_MON6
GPIO7/PMU_TEST_MON7
GPIO8/PMU_TEST_MON8
GPIO9/PMU_TEST_MON9
GPIO10/PMU_TEST_MON10
GPIO11/PMU_TEST_MON11
GPIO12/PMU_TEST_MON12
GPIO13/PMU_TEST_MON13
GPIO14/PMU_TEST_MON14
GPIO15/PMU_TEST_MON15
GPIO16/PMU_TEST_MON16
GPIO17/PMU_TEST_MON17
GPIO18/PMU_TEST_MON18
GPIO19/PMU_TEST_MON19
GPIO23/SPI4_CS
GPIO24/SPI4_CLK
GPIO25/SPI4_MOSI
GPIO26/SPI4_MISO
GPIO30/SD_DATA0
GPIO31/SD_DATA1
GPIO32/SD_DATA2
GPIO33/SD_DATA3
SD_CLK
SD_CMD
SIMRST_N
SIMCLK
SIMDATA
IIC_SCL
IIC_SDA
AFE_HKADC_IN3
AFE_HKADC_IN2
AFE_HKADC_IN1
AFE_HKADC_IN0
RTCK
CC5_VGATE
CC5_FSOURCE
KL
CE
CA
RT
0T
SE
T_
TA
LP
/0
TK
PE
CA
RT
1T
SE
T_
TA
LP
/1
TK
PE
CA
RT
2T
SE
T_
TA
LP
/2
TK
PE
CA
RT
3T
KP
EC
AR
T
4T
KP
EC
AR
T
5T
KP
EC
AR
T
6T
KP
EC
AR
T
7T
KP
EC
AR
T
LR
TC
EC
AR
T
ET
AG
V_
AR
IB
EC
RU
OS
F_
AR
IB
KC
T
ID
T
SM
T
OD
T
DX
R_
0T
RA
U
ST
C_
0T
RA
U
DX
T_
0T
RA
U
ST
R_
0T
RA
U
DX
R_
1T
RA
U
ST
C_
1T
RA
U
DX
T_
1T
RA
U
ST
R_
1T
RA
U
KL
C_
IP
LU
RI
D_
IP
LU
TX
N_
IP
LU
0P
TS
_I
PL
U
0A
TA
D_
IP
LU
1A
TA
D_
IP
LU
2A
TA
D_
IP
LU
3A
TA
D_
IP
LU
4A
TA
D_
IP
LU
5A
TA
D_
IP
LU
6A
TA
D_
IP
LU
7A
TA
D_
IP
LU
0S
UB
V
0P
D
0M
D
0E
NU
TR
XT
1S
UB
V
1P
D
1M
D
1E
NU
TR
XT
DNI
R329
DNI
R345
10K
R344
R346
10K
R352
0
43
3
R
0
3V3_USB
3V3_USB
4.7K
R307
18K
R309
10K
R328
33
3
R
0
23
3
R
0
13
3
R
0
DNI
R335
DNI
R336
10M
R323
R337
DNI
0
R351
0
R353
33
94
3
R
R350
DNI
10K
R327
DNI
R347
TX_PWR_DET
BB_TEMP
JTAG_RTCK
JTAG_RTCK
4T
KP
_E
CA
RT
TRACE_PKT4
LR
TC
_E
CA
RT
TRACE_CTRL
7T
KP
_E
CA
RT
TRACE_PKT7
6T
KP
_E
CA
RT
TRACE_PKT6
5T
KP
_E
CA
RT
TRACE_PKT5
3T
KP
_E
CA
RT
TRACE_PKT3
2T
KP
_E
CA
RT
TRACE_PKT2
1T
KP
_E
CA
RT
TRACE_PKT1
0T
KP
_E
CA
RT
TRACE_PKT0
KL
C_
EC
AR
T
TRACE_CLK
KC
T_
GA
TJ
JTAG_TCK
ID
T_
GA
TJ
JTAG_TDI
SM
T_
GA
TJ
JTAG_TMS
OD
T_
GA
TJ
JTAG_TDO
LQI_LED1
LQI_LED0
W_DISABLE_N
RESERVED_4
LQI_LED4
LQI_LED3
LQI_LED2
RESERVED_2
RESERVED_1
SIM_DET
RF_HKP_EN
RF_PWR_EN
TCXO_ON
RESET_OUT_N
LTE_RESET_N
JTAG_CFG0
JTAG_CFG0
JTAG_CFG0
EXTAL1_OUT
EXTAL1_OUT
EXTAL1_IN
EXTAL1_IN
32KHZ_IN
32KHZ_IN
32KHZ_OUT
32KHZ_OUT
PD
_1
BS
U
MD
_1
BS
U
PD
_0
BS
U
MD
_0
BS
U
I2C_SCL
I2C_SDA
MODE1
MODE1
USB0_DET
USB0_DET
USB1_DET
USB1_DET
SPI4_CS
SPI4_MISO
SPI4_CLK
SPI4_MOSI
SIM_PWRDOWN
SIM_PWRSEL
SIMRST
SIMCLK
SIMDATA
DX
R_
1T
RA
U
ST
C_
1T
RA
U
DX
T_
1T
RA
U
ST
R_
1T
RA
U
MODE0
MODE0
MODE2
MODE2
PERST_N
RF_TEMP
RESERVED_3
MODE_SET0
MODE_SET1
MODE_SET2
RXPLL_PWR_EN
TXPLL_PWR_EN
USB X-tal
Rev.1.0 GPIO[63:61]=¡¯100¡¯
12MHz 48MHz
USB&RTC REF CLOCK
JTAG&ETM
MODE SET
DNI
0
Rev.D GPIO[63:61]=¡¯011¡¯
R337
X300
(JTAG_TRST_N)
Serial Flash BOOT
UART BOOT
MODE0 MODE1 MODE2
1
1
1
1
0
0