Circuit Diagram - LG L240 Service Manual

7. CIRCUIT DIAGRAM

1 2 3
KBC(4:0)
A KBR(5:0)
E_DATA(15:0)
D21
E_DATA(0)
ELCD_DATA_0
F18
E_DATA(1)
ELCD_DATA_1
E19
E_DATA(2)
ELCD_DATA_2
G18
E_DATA(3)
ELCD_DATA_3
F20
E_DATA(4) ELCD_DATA_4
H18
E_DATA(5)
ELCD_DATA_5
G19
B E_DATA(6) ELCD_DATA_6
H20
E_DATA(7) ELCD_DATA_7
H19
E_DATA(8) ELCD_DATA_8
H21
E_DATA(9) ELCD_DATA_9
J20
E_DATA(10) ELCD_DATA_10
J18
E_DATA(11) ELCD_DATA_11
J21
E_DATA(12) ELCD_DATA_12
J19
E_DATA(13) ELCD_DATA_13
K21
E_DATA(14) ELCD_DATA_14
N18
E_DATA(15) ELCD_DATA_15
R18
MODE3(GPIO_5)
FOLDER_2 ELCD_DATA_16
V21
SPK_EN
MODE3(GPIO_63) ELCD_DATA_17
M14
E_LCD_CS ELCD_NCS0
M15
L_RESET ELCD_NRESET
L15
C ELCD_DNC
K15
E_WEN ELCD_RNW
D20
E_REN ELCD_ESTRB
K14
LCD_BL_EN ELCD_TE
Y16
E_MA0 GPIO_10
V19
E_MA1 GPIO_18
FDATA(15:0)
V5
FDATA(0) EMIFS_FDATA_0
W4
FDATA(1)
EMIFS_FDATA_1
Y3
FDATA(2) EMIFS_FDATA_2
V6
FDATA(3)
EMIFS_FDATA_3
AA3
FDATA(4)
EMIFS_FDATA_4
W5
FDATA(5)
EMIFS_FDATA_5
Y4
FDATA(6)
EMIFS_FDATA_6
AA4
FDATA(7)
D EMIFS_FDATA_7
V7
FDATA(8) EMIFS_FDATA_8
FDATA(9) W6
EMIFS_FDATA_9
AA5
FDATA(10) EMIFS_FDATA_10
Y5
FDATA(11) EMIFS_FDATA_11
V8
FDATA(12) EMIFS_FDATA_12
W7
FDATA(13) EMIFS_FDATA_13
Y6
FDATA(14) EMIFS_FDATA_14
P9
FDATA(15) EMIFS_FDATA_15
FADD(24:17)
R9
FADD(17) EMIFS_FADD_17
Y8
FADD(18)
EMIFS_FADD_18
AA7
FADD(19)
EMIFS_FADD_19
W9
FADD(20)
EMIFS_FADD_20
R10
FADD(21)
EMIFS_FADD_21
V10
FADD(22)
E EMIFS_FADD_22
AA10
FADD(23)
EMIFS_FADD_23
W10
FADD(24)
EMIFS_FADD_24
P10
EMIFS_FADD_25
W11
FRDY EMIFS_FRDY
V11
NFOE EMIFS_NFOE
AA9
NFRP EMIFS_NFRP
R12
NFWE EMIFS_NFWE
P12
NFWP EMIFS_NFWP
R11
NFADV EMIFS_NFADV
V12
EMIFS_NFBE_0
W12
EMIFS_NFBE_1
Y7
FCLK EMIFS_FCLK
V9
F NFCS_3 EMIFS_NFCS_3
SADD(12:0)
K7
SADD(0) SDRAM_SADD0
J8
SADD(1) SDRAM_SADD1
K8
SADD(2) SDRAM_SADD2
J7
SADD(3) SDRAM_SADD3
N8
SADD(4) SDRAM_SADD4
M8
SADD(5) SDRAM_SADD5
R4
SADD(6) SDRAM_SADD6
N7
SADD(7) SDRAM_SADD7
M7
SADD(8)
SDRAM_SADD8
P4
SADD(9)
SDRAM_SADD9
L7
SADD(10)
SDRAM_SADD10
M4
SADD(11)
SDRAM_SADD11
U3
SADD(12)
SDRAM_SADD12
C SDATA(15:0)
B1
SDATA(0)
SDRAM_SDATA0
M3
SDATA(1) SDRAM_SDATA1
SDATA(2) C1
SDRAM_SDATA2
F2
SDATA(3) SDRAM_SDATA3
C2
SDATA(4) SDRAM_SDATA4
G1
SDATA(5) SDRAM_SDATA5
D3
SDATA(6) SDRAM_SDATA6
R2
SDATA(7) SDRAM_SDATA7
P2
SDATA(8) SDRAM_SDATA8
R3
SDATA(9)
SDRAM_SDATA9
M2
SDATA(10) SDRAM_SDATA10
U2
SDATA(11)
SDRAM_SDATA11
J1
SDATA(12)
SDRAM_SDATA12
N2
SDATA(13)
SDRAM_SDATA13
M1
SDATA(14)
D SDRAM_SDATA14
U1
SDATA(15)
SDRAM_SDATA15
K3
SDCLK SDRAM_SDCLK
F4
SDCLK_EN SDRAM_SDCLK_EN
G4
SBANK1 SDRAM_SBANK1
H4
SBANK0 SDRAM_SBANK0
E4
NSRAS SDRAM_NSRAS
H3
NSCAS SDRAM_NSCAS
J3
NSWE SDRAM_NSWE
E3
NSDQMU SDRAM_NSDQMU
F3
NSDQML SDRAM_NSDQML
N4
SDCLKX SDRAM_SDCLKX
L3
DQSH SDRAM_DQSH
J4
DQSL SDRAM_DQSL
E
K4
SD_CS SDRAM_CS
VBAT
UART1
3G 2.5G
1
GND GND
2
RX RX UART_RXD
3
UART_TXD
TX TX
4
UFLS
NC1
5
ON_SW ON_SW RPWON
6
VBAT VBAT
7
PWR NC2
8
F URXD NC3
9
UTXD NC4
10
DSR
11
RTS UART_RTS
12
CTS UART_CTS
1 2 3
4 5 6 7 8
U102
PD761811BZVL
VRDBB
4 5 6 7 8
- 99 -
9 10 11 12
VCHG
C101
R101 12p
680
C102
27p
Q101
NDC652P
C106 22n R105
AA12
GPIO_19 NFCS_1
Y12 R106 1.5M
GPIO_43
R107 100K
R108 NA
R109 100K
R110 100K
R111 100K
VBAT
W21
GPIO_1 DPD1
J15
GPIO_2
U19
GPIO_4 USB_BOOT_SEL
V20
GPIO_6 DPD0 C160
W17
GPIO_8 BT_NRST 10n
V16
GPIO_9 KEY_LED_EN
Y18
GPIO_13 HANDSFREE
V17 R112 150
GPIO_16 PWROK
TP105
P1_INT2
M1
BOOT_SEL P1_INT2
H10 L2
GPIO_17 VMODE P2_INT2
G12
GPIO_32 RESET_B
B12 A5
GPIO_46 HOOKDET TR_USB_DP DP_RXD_MIC_R
G13 A3
GPIO_47 MOD_LED TR_USB_DM DM_TXD_SPKR_L
H12 D4
MISC_EXT_IRQ ID_USB
A6
RCV VBUS VBUS
OE_INTN
C4
SE0_VM_TXD SE0_VM_TXD
C3
DAT_VP_RXD DAT_VP_RXD
V15 E4
USB_0_SE0 OE_INTN
AA17 A2
USB_0_DAT RCV
Y17
USB_0_TXEN
W16 R116 3.3K J6
USB_0_RCV SDA1
R118 3.3K M5
VRIO SCL1
I2C_SDA
L10
I2C_SCL PWON PWON
A18 H7
I2C1_SDA RPWON RPWON
C15
I2C2_SCL WAKEUP2
K9
TP103 WAKEUP1
R123 0 L9
WAKEUP2
M12
BT_CLK_REQ PCLKREQ
V14
ULPDR_CLK32K_IN CLK_32K WAKEUP1
T18 J8
ULPDR_ARM_BOOT_EXT ULPDR_ARMBOOT_EXT MCLK1
R124 NA
G10 K8
ULPDR_WAKEUP_INT MCLK2
D14
ULPDR_SYS_CLK_OUT ULPDR_SYS_CLK_OUT
R126 1K M11
ONNOFF ONNOFF
R128 10K
VRIO
C16 D5
ULPDR_ON_NOFF TEMP_SENSE ADCIN1
R127
B4
MOD ADCIN2
NA
A4
ADCIN3
AA19 C5
TSP_ACT0 TSP_ACT0 ADCIN4
B13 R131 0 B5
TSP_ACT2 TSP_ACT2 BATT_TEMP ADCIN5
M6
STARTADC
A5 M3 P3029DZQW
MCSI2_SYNC VSP_VFS
C5 L3
MCSI2_BCLK VSP_VCK
B5 M2
MCSI2_DIN VSP_VDX
D7 L4
MCSI2_DOUT VSP_VDR
M4
MCSI2_SYNC I2S_SCK
L5
MCSI2_BCLK I2S_WS
H6
MCSI2_DIN I2S_SDX
K5
MCSI2_DOUT I2S_SDR
B7
MCBSP1_CLKX MCBSP1_CLKX
C7 F5
MCBSP1_FSX MCBSP1_FSX NC1
D8 G5
MCBSP1_DIN MCBSP1_DIN NC2
B6 G6
MCBSP1_DOUT MCBSP1_DOUT NC3
K7
GND_PWR1
B11
GND_PWR21
V3 C10
SIM_IO SIM_IO GND_PWR22
W1 L6
SIM_CLK SIM_CLK GND_PWR3
V4 B3
SIM_PWRCTRL SIM_PWRCTRL GND_PWR4
U4 D11
SIM_RST SIM_RST GND_PWR5
W3 B7
SIM_PBIAS GND_VBUS2
C7
GND_VBUS1
G9
GND_DBB1
VBAT F8
GND_DBB2
F9
GND_DBB3
U18
SPI_NCS0
Y19 H10
SPI_CLK VCC11
W19 H11
SPI_DATA_MISO ULPDR_ARMBOOT_EXT VCC12
V18 H12
SPI_DATA_MOSI C119 VCC13
L7
R135 1000p VCC21
L8
VCC22
100K B2
VCC3
A1 F10
NC1 VCC41
AA1 F11
NC2 VCC42
A21 E10
NC3 C121 VCC51
E5 E11
NC4 NA VCC52
A7
VCC6
Y14
VSSPBIAS
C122
10u
D1
VSS1
E2
VSS2
H2
VSS3
K1
VSS4
P1
VSS5
T3
VSS6 VREXTL
W2
VSS7 VREXTH
AA8
VSS8 VRMMC
AA15
VSS9 VRSIM
AA21
VSS10 VRUSB
Y20
VSS11 VRRTC
U21
VSS12 VRIO
N19
VSS13 VRABB
N20
VSS14 VRMEM
M20
VSS15 VRPLL
M19
VSS16
L19
VSS17
K19
VSS18
G21
VSS19
B10
VSS20
D4
VSS21
E21
VSS22
A20
VSS23
A17
VSS24
Section
VRDBB
Designer
Checked
Approved
C151
NA
Iss. Notice No. Date Name
9
13 14 15 16
VBAT
D101 CUS02
R103
0.22
C105
C103
C104
33u 33u
100u
R104
15
47
ICTLAC1 PCHGAC VCCS VBATS
2
3
X101
MC-146
32.768KHz
4 1
L12 C107 8.2p
OSC32KIN C108 8.2p
L11
OSC32KOUT
R115 220K
K11
CLK32KOUT CLK_32K C109 10p
A12
LED_A
B12
LED_B
C12
LED_C
M10
VIBDR VIBRATOR
D10 VRIO
CKEN SYSCLKEN
C11
REGEN REGEN
E8 R117 NA
HSDET HSDET
K6 R119 1K R120 NA
BM_SEL
E7 R121 NA
BM_PRECH
R122
K10
VMODE VMODE
G7
PWROK PWROK 0
E9
PM_D
F7
PM_C
J9
PM_F
VCHG
C110 0.1u
J11
VBG
J10 R125 121K
IREF
J12
REFGND
H8
VBACKUP VBACKUP
B8
VAC
A9
PCHGAC PCHGAC
A8
PCHGUSB
U101 D7
VCCS VCCS
A10
VBAT VBAT
D8
VBATS VBATS
C9
ICTLUSB1
D9
ICTLUSB2
C8
ICTLAC1 ICTLAC1
B9
ICTLAC2
D2 R132 1K C111 0.1u
MICIN MICIN
D1 R133 1K C112 0.1u
MICIP MICIP
C1
HSMIC HSMICIP
E3
MICBIAS MICBIAS
E2
HSMICBIAS HSMICBIAS
C2
AUXI_FMR AUXI
D3
FML
G2
EARN RCV_N
G1
EARP RCV_P
F3
AUXO AUXOP
F1 C113 100u
HSOL HSOL
E1 C114 100u
HSOR HSOR
F2
HSOVMID
F4
AUDVMID
R134 15K C115 47n
L1
FILTERAPLL
C118 C116
G3 C117 4700p VA101
SPKPA1 47p
4.7u
G4 ICVL0518400V500FR
SPKPA2 SPKPA
K3
SPKNA1 SPKNA
K4
SPKNA2
H1
SPKPD1
H2
SPKPD2
J1
SPKND1
J2
SPKND2
J3
SPKVDD2
H3
SPKVDD1 C120
H4
SPKGND2 10u
J4
SPKGND1
K1
TMS
J5
TDO
H5
TDI
K2
TCK
H9 R136 10K
TESTRESET
E6
TESTV
J7
SIMDTC
L101 2.2uH
OJ101 OJ102 OJ103 OJ104 OJ105
C123
C124 10u
10u
R137 NA
USB_PWR
Date Sign & Name Sheet/
Sheets
06/30
LG240
MODEL
JM KIM
2006
1/7
DRAWING
ABB/DBB
NAME
DRAWING
Rev 1.1
LG Electronics Inc.
NO.
A
B
C
D
E
F
C
D
E