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7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
PWR
URXD
UTXD
3G2.5G
GND
RX
TX
VCHAR
ON_SW
VBAT
TOUCH_Y- : GND line shielding to CN
B
12
If Maxim, then 4.7uF
TI : PD = USB, PU = UART
2012
8
USB Transceiver
D
3
D
A
8
Close by uUSB CONN
11
G
E
5 9
DOWNLOAD POINT
9
4
4
10V
6
If VBUS not used, then remove
A
12
H
C
MUIC
12
12
B
G
If TI, then 10nF
E
3 7
6
High Speed USB Interface
ESD / EMI Filter OJ
Download Point And TP Test Point
Backlight Charge Pump
34 pin connector To VGA FPCB
MUIC Circuit Micro USB Interface
Close to MUIC
MAXIM : NA = USB, PU = UART
C
F
10
Test Point
1%
5
F
H
7
If VBUS not used, then remove
1110
C509
4.7u
L500
82nH
27
28
29
3
30
31
32
33
34
4
5
6
7
8
9
13
14
15
16
17 18
19
2
20
21
22
23
24
25
26
CAM_AVDD_2V8
ENBY0040301
GB042-34S-H10-E3000
CN503
1
10
11
12
C508
22p
U500
NUS3065MUTAG
CNTRL
3
4
DRAIN
DRAIN_THERMAL
9
GATE
6
GND
2
IN
1
7
OUT
5
SRC
8
VCC
TP501
TP502
0
R515 0
R655
2.2K
R511
VDDE_1V8
VDDE_1V8
22p
C507
R509
1K
51K
OJ500
R500
0R631
C515 0.1u
C503 1u
10R506
VBAT
VBAT
R505 10
DNIR507
DNIR518
TP608
TP609
TP607
VBAT
TP605
TP606
C514
IC
C3
INT
B2
A2
ISET
A1
MIC
B1
RES
SCL
C2
C1
SDA
B3
U1
U2
A3
B4
UID
VB
D5
0.1u
U501
D4
AUD1
D3
AUD2
D2
BAT
CAP
D1
COM1
C5
B5
COM2
A4
DN1
A5
DP2
GND
C4
6
VBAT
VBAT
MAX14526EEWP_TCC6
URT500
12
CTS
10
DSR
GND
1
4
NC1
NC2
7
8
NC3
NC4
9
5
ON_SW
RTS
11
2
RX
TX
3
C506
22p
R641
0
G2
4
IN
1
OUT
2
22p
C511
FL500NFM21PC105B1A3
3
G1
0
R629
100K
R630
C635
1u
C633
1u
0R517
0.1u
C525
FB502
6
7
8
9
CN501
1
10
11
12
13
14
15
2
3
4
5
FB500
VDDE_1V8
C505 0.1u
R508 DNI
ULCE0505C015FR
VA500
DNI
C502
R503 0
TP500
OJ501
TP604
TP602
12KR510
CTS_ON_E
D1
CTS_ON_I
B5
DCIO_EDCIO_I
C5
A2
DFMS_E
D3
DFMS_I
A1
DTMS_EDTMS_I
D2
GND1
B2
B3
GND2
GND3
B4
GND4
C1
C2
GND5
C4
VCC
VPPFLS_E
A5D5
VPPFLS_I
KNATTE2-C2 FL501
A4
CFMS_ECFMS_I
D4
CTMS_E
A3
CTMS_I
C3
B1
4.7uC516
CAM_DVDD_1V8
0
R501
RREF
STP
D6
TEST
C4
F4
VBUS
VCC
F3
B5
VCC_IO1
VCC_IO2
B2
F5
XTAL1
XTAL2
F6
B6
C6
DATA7
E5
DIR
DM
C1
D1
DP
FAULT
E2
GND1
C5
D2
GND2
GND3
E4
D3
ID
NC1
F1
F2
NC2
D5
NXT PSW_N
D4
E6
REF1V8
E3
REG3V3
C2
CFG0
E1
B4
CFG1
CFG2
B3
CHIP_SEL
C3
A4
CLOCK
DATA0
B1
A1
DATA1
DATA2
A2
A3
DATA3
DATA4
A5
A6
DATA5
DATA6
ISP1508AET
U502
C513
0.1u
VBUS
2.2K
R504
VBAT
1u
C632
SD12T1G
ZD500
9
2.2uC517
INSTPAR
C634
10
GND
9
IN
OUTCP
6
PGND
15
1u
U604 AAT3169IFO-T1
C1+
4
5
C1-
C2+
7
C2-
8
11
D1
D2
12
13
D3
14
D4
1
D5
2
D6
EN_SET
3
0.1u
C500
CN500
1
2
FB501
4.7u
C501
4.7u
1 uF
C512
C504
C510
C523
1u
TP603
0.1u
0R502
VBAT
R513 DNI
TOUCH_Y+
TOUCH_Y-
OTP_A
APP_ACC_UART_TX
APP_ACC_UART_RX
CTS_ON
VPPFLASH_E
VBUS
CI_RES_n
WLED2
WLED3
WLED4
WLED5
APP_GP_BL_EN
WLED_PWR
WLED1
SYSCLK0
TOUCH_X+
TOUCH_X-
APP_ACC_UART_TX
VPPFLASH_EVPPFLASH
CTS_ON
CTS_ON
ONSWB_n
HS_EAR_R
HS_EAR_L
USW_ID
USW_ID
APP_GP_VGA_SDN
APP_I2C_SDA
APP_I2C_SCL
CI_DATA[1]
CI_DATA[3]
CI_HSYNC
CI_DATA[6]
CI_DATA[0]
CI_DATA[2]
CI_DATA[4]
CI_VSYNC
MIC2P
FM_ANT
APP_ACC_UART_RX
ACC_UART0_TX
APP_UART_TX
USW_DP
USW_DM
VPPFLASH_E
APP_ACC_UART_TX
APP_ACC_UART_RX
VBUS
VBUS
APP_ACC_UART_TX
SPK_RCV+
ACC_UART0_RX
APP_UART_RX
USW_DM
USW_DPUSB_DP
APP_GP_USW_INT
APP_GP_USW_SCL
APP_GP_USW_SDA
USB_DM
ACC_USB_HS_NXT
ACC_USB_HS_STP
USB_XTAL1
APP_ACC_UART_RX
SPK_RCV- CI_PCLK
CI_DATA[7]
CI_DATA[5]
VBUS
USB_DP
USB_DM
ACC_GP_USB_CS
ACC_USB_HS_IN_CLK
USB_DATA(0)
USB_DATA(1)
USB_DATA(2)
ACC_USB_HS_DATA(3)
ACC_USB_HS_DATA(4)
ACC_USB_HS_DATA(5)
ACC_USB_HS_DATA(6)
ACC_USB_HS_DATA(7)
ACC_USB_HS_DIR
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