LG CT815 Service Manual page 167

7. CIRCUIT DIAGRAM
1 1 2 2 3 3
A A
D203
PRSB6.8C
C201 1000p
ARM9&ARM11 JTAG
B B
J25
nSDRAM_WE EBI1_WE_N
G19
nSDRAM_RAS EBI1_RAS_N
D17
EBI1_WAIT0_N
L22
EBI1_OE_N
D22
EBI1_CS5_N
E20
EBI1_CS4_N
E21
EBI1_CS3_N
D21
C C EBI1_CS2_N
H19
EBI1_CS1_N
B21
nSDRAM_CS EBI1_CS0_N
A23
EBI1_CKE1
H18
SDRAM_CKE EBI1_CKE0
R211 24 B24
SDRAM_CLK0 EBI1_DCLK
R212 24 B25
SDRAM_CLK1 EBI1_DCLKB
D14
EBI1_MEM_CLK
K25
nRESETOUT1 EBI1_RESOUT_N
E12
SDRAM_DQS3 EBI1_DQS3
B14
SDRAM_DQS2 EBI1_DQS2
D16
SDRAM_DQS1 EBI1_DQS1
A21
SDRAM_DQS0 EBI1_DQS0
D12
SDRAM_DQM3 EBI_DM3
D15
SDRAM_DQM2 EBI_DM2
E15
SDRAM_DQM1 EBI_DM1
B23
SDRAM_DQM0 EBI_DM0
A26
EBI1_ADR27
B26
D D
EBI1_ADR26
B27
EBI1_ADR25
D23
EBI1_ADR24
E23
nSDRAM_CAS EBI1_ADR23
D24
EBI1_ADR22
G20
EBI1_ADR21
E22
EBI1_ADR20
F24
EBI1_ADR19
E25
EBI1_ADR18
L15
EBI1_ADR17
G21
SDRAM_BA1 EBI1_ADR16
L16
SDRAM_BA0 EBI1_ADR15
J21
EBI1_ADR14
H20
EBI1_ADR13
F25
SDRAM_ADDR12 EBI1_ADR12
L17
SDRAM_ADDR11 EBI1_ADR11
G24
SDRAM_ADDR10 EBI1_ADR10
H22
SDRAM_ADDR9 EBI1_ADR9
G25
SDRAM_ADDR8 EBI1_ADR8
H24
SDRAM_ADDR7 EBI1_ADR7
K24
E E SDRAM_ADDR6 EBI1_ADR6
H25
SDRAM_ADDR5 EBI1_ADR5
L21
SDRAM_ADDR4 EBI1_ADR4
J24
SDRAM_ADDR3 EBI1_ADR3
K21
SDRAM_ADDR2 EBI1_ADR2
J22
SDRAM_ADDR1 EBI1_ADR1
K22
SDRAM_ADDR0 EBI1_ADR0
G10
SDRAM_D31 EBI1_DQ31
H10
SDRAM_D30 EBI1_DQ30
D11
SDRAM_D29 EBI1_DQ29
E11
SDRAM_D28 EBI1_DQ28
G11
SDRAM_D27 EBI1_DQ27
H11
SDRAM_D26 EBI1_DQ26
G12
SDRAM_D25 EBI1_DQ25
H12
SDRAM_D24 EBI1_DQ24
A13
SDRAM_D23 EBI1_DQ23
B13
SDRAM_D22 EBI1_DQ22
D13
SDRAM_D21 EBI1_DQ21
E13
SDRAM_D20 EBI1_DQ20
A14
F F SDRAM_D19 EBI1_DQ19
E14
SDRAM_D18 EBI1_DQ18
G13
SDRAM_D17 EBI1_DQ17
H13
SDRAM_D16 EBI1_DQ16
G14
SDRAM_D15 EBI1_DQ15
H14
SDRAM_D14 EBI1_DQ14
H15
SDRAM_D13 EBI1_DQ13
G15
SDRAM_D12 EBI1_DQ12
G16
SDRAM_D11 EBI1_DQ11
E16
SDRAM_D10 EBI1_DQ10
E17
SDRAM_D9 EBI1_DQ9
D18
SDRAM_D8 EBI1_DQ8
E18
SDRAM_D7 EBI1_DQ7
G17
SDRAM_D6 EBI1_DQ6
D19
SDRAM_D5 EBI1_DQ5
H16
SDRAM_D4 EBI1_DQ4
E19
SDRAM_D3 EBI1_DQ3
D20
SDRAM_D2 EBI1_DQ2
G18
SDRAM_D1 EBI1_DQ1
H17
SDRAM_D0 EBI1_DQ0
G G
H H
1 1 2 2 3 3
LGE Internal Use Only
4 4 5 5 6 6
VREG_MSMP_2.6V
MODE[3:0]
0000 : Native, ARM9 on PJTAG, ARM11 on AJTAG
0001 : Native, ARM9 + ARM11 on PJTAG
VREG_MSMP_2.6V
GPS RX
U202-1
MSM7201A_DATA
VDD_P8 = VREG_MSME_1.8V
GPIO[95] for SECURE_BOOT
4 4 5 5 6 6
7 7 8 8 9 9
TDMA
C1
WIPER
D1
YM_LR TOUCH_Y1YD
E1
YP_UR TOUCH_Y2YU
D2
XM_LL TOUCH_X2XL
E2
XP_UL TOUCH_X1XR
AB10
NC1
AD10
NC2
M2
GPIO0 3MCAM_RESET_N
L4
GPIO1 3MCAM_IO_OFF
M4
GPIO2 VGA_IO_OFF
M5
GPIO3 3MCAM_LDO_EN
L7
GPIO4 CAM_DATA[0]
N7
GPIO5 CAM_DATA[1]
L5
GPIO6 CAM_DATA[2]
N8
GPIO7 CAM_DATA[3]
M1
GPIO8 CAM_DATA[4]
L8
GPIO9 CAM_DATA[5]
M7
GPIO10 CAM_DATA[6]
M8
GPIO11 CAM_DATA[7]
P5
GPIO12 CAM_PCLK
P11
GPIO13 CAM_HSYNC
M11
GPIO14 CAM_VSYNC
N11
GPIO15 CAM_MCLK
AA17
GPIO16 INTER_TX_SW_1
AD17
GPIO17 AUDIO_I2C_SDA
AB17
GPIO18 VCAM_RESET_N
AE17
GPIO19 BT_REG_ON
AA18
GPIO20 USBH_EN_N
AG18
GPIO21 WLAN_REG_ON
AD18
GPIO22 WCDMA_850_ON
AH18
GPIO23 USBH_SEL
AE18
GPIO24 PM_INT_N
AB18
GPIO25 PS_HOLD
AD19
GPIO26 INTER_TX_SW_2
AE19
GPIO27 AUDIO_I2C_SCL
AA19
GPIO28 LIN_MOT_PWM
AB20
GPIO29 EAR_SENSE
AB19
GPIO30 PROX_EN_N
AH20
GPIO31 KEY_COL[0]
AA20
GPIO32 KEY_COL[1]
AE20
GPIO33 KEY_COL[2]
AD20
GPIO34 LCD_BL_EN
AG22
GPIO35 WLAN_RESET_N
AE21
GPIO36 KEY_ROW[0]
AH22
GPIO37 KEY_ROW[1]
AD21
GPIO38 KEY_ROW[2]
AE22
GPIO39 MMC_CD
AB21
GPIO40 USB_UART_SW
AG23
GPIO41 MOTION_I2C_SCL
AB22
GPIO42 MOTION_I2C_SDA
AA10
GPIO43 BT_UART_RTS
AG6
GPIO44 BT_UART_CTS
AB9
GPIO45 BT_UART_RXD
AA9
GPIO46 BT_UART_TXD
AD8
GPIO47 MSM_USIM_CLK
AH6
GPIO48 MSM_USIM_RST
AE8
GPIO49 MOTION_INT
AD9
GPIO50 MSM_USIM_DATA
AA11
GPIO51 WLAN_SDIO[3]
AH8
GPIO52 WLAN_SDIO[2]
V13
GPIO53 WLAN_SDIO[1]
AD11
GPIO54 WLAN_SDIO[0]
AE10
GPIO55 WLAN_CMD
R214 33
AB11
GPIO56 WLAN_CLK
V7 Clese to MSM side
GPIO57 LIN_MOTOR_EN
V8
GPIO58 GPS_LNA_EN
W7
GPIO59 SSBDT_RTR
V11
GPIO60 I2C_SCL
Y7
GPIO61 I2C_SDA
AE11
GPIO62 MMC_CLK
AA12
GPIO63 MMC_CMD
AA13
GPIO64 MMC_DATA[3]
AE12
GPIO65 MMC_DATA[2]
V15
GPIO66 MMC_DATA[1]
V14
GPIO67 MMC_DATA[0]
AA5
GPIO68 BT_PCM_OUT
AA4
GPIO69 BT_PCM_IN
AD1
GPIO70 BT_PCM_SYNC
AD2
GPIO71 BT_PCM_CLK
AH23
GPIO72 ANT_SEL3
AA21
GPIO73 ANT_SEL2
AE24
GPIO74 ANT_SEL1
AD22
GPIO75 ANT_SEL0
AE23
GPIO76
AD23
GPIO77 GSM_SAW_SW_MODE
AD24
GPIO78 INTER_RX_SW_2
7 7 8 8 9 9
- 168 -
10 10 11 11 12 12
LGE Internal Use Only
A A
GPS D FLIP-FLOP
VREG_TCXO_2.85V
C207
0.1uF
NC7SZ74L8X U201
8 1
VCC _PR
B B
7 2
PMIC_TCXO CK _CLR
6 3
TRK_LO D Q RTR_TRK_LO_ADJ
R207 2K
5 4
C217 C218
_Q GND
33p 33nF
ARM9&ARM11 JTAG
VREG_MSMP_2.6V
C C
CN201
G1 G2
1 10
MSM_TCK
2 9
MSM_TDI MSM_TMS
3 8
JTAG_PS_HOLD MSM_TRSTN
4 7
nJTAG_RESOUT MSM_TDO
5 6
MSM_RTCK
G3 G4
AXT410164
ENBY0033101
D D
VCHG_VBUS VBAT
UAT201
2.5G 3G
1
GND GND
2
UART3_RX RX RX
3
UART3_TX TX TX
4
NC1 VCHAR
5
REMOTE_PWR_ON ON_SW ON_SW
6
VBAT VBAT
7
NC2 PWR E E
8
USB_DM URXD
NC3
9
USB_DP NC4 UTXD
10
DSR
11
RTS
12
CTS
Array TP
F F
Array TP
VBAT
TP201
TP202
TP203
UART3_RX
1K R623
G G
TP204
UART3_TX
1K R624
TP205
REMOTE_PWR_ON
MSM7200A&JTAG
H H
10 10 11 11 12 12
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Only for training and service purposes