LG FM300 Service Manual page 81

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