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8. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
SEND : KEY_IN(1) + KEY_OUT(1)
CLR : KEY_IN(2) + KEY_OUT(1)
H
31
B
12
11
114
A
B
EOC Current : 67mA
9
F
10
E
SWITCH FOR USB2.0
D
7
Charging Current : 379mA
2
C
6
12
F
8
7
D
3
G
VGA CAMERA & EXT. PORT
5
1 5
Charger IC
Remote Power & Side Key
4
10
BLUETOOTH
6
G
2
C
E
9
A
H
8
0.01u
C300
2.2u
VCHG
R317
C515
47K
10K
R320
R301 100K
2V85_VBT
8
9
220K
R322
23
24
25
26
27
28
29
3
30
31 32
4
5
6
7
1
10
11
12
13
14 15
16
17
18
19
2
20
21
22
2.2u
2V62_VIO
USB_VBUS
CN303
C304
47K
R302
2.2u
C317
2V62_VIO
C313
10p
UART_BT_RX
47K
R303
2
C312
2.2u
D300
KDR331V
3
1
VA300
ICVL0505101V150FR
R308 47
E5
VSS7
E6
VSS8
VSS9
F1
J4
XTAL_N
XTAL_P
J5
XTAL_PD_GPIO5_TX_PU_TDO_TX_PU_
G9
R326
20K
H4
VDDXO
VREG1
A3
VREG2_VBAT
A2
B3
VREG_CTL
C2
VSS1
F2
VSS10
VSS11
F4
F5
VSS12
VSS13
F6
H2
VSS14
VSS15
H3
D2
VSS2
VSS3
D5
D6
VSS4
VSS5
E2
VSS6
E4
UART_RXD
B9
UART_TXD
B8
VCTRIFP
J2
A7
VDDC1
VDDC2
B7
A1
VDDIF
J1
VDDIFP
VDDLO
G1
VDDO1
H9
J9
VDDO2
G8
VDDO_USB
VDDPLL
G2
VDDR3V
A4
B2
VDDRF
VDDTF
B1
H1
VDDVCO
PCM_SYNC_TX_PU_TDO
D8
J3
RES
RFION
E1
C1
RFIOP
D1
RFTUNE
F9
RF_ACTIVE_GPIO4
RST_N
B4
SCL_TX_PU_TDO_N
A9
A8
SDA_TX_PU_TDO
TM0
J6
H6
TM1
TM2
H5
D4
TST1
A6
TX_CONFX_WLAN_ACTIVITY_GPIO2
UART_CTS_N
C8
C9
UART_RTS_N
U302
BCM2046SB1
BT_PRIORITY_STATUS_GPIO3
E9
B5
BT_WAKE_GPIO_0
H7
GPIO7_TX_PU_TDDN_TX_PU_TDO_USB
HOST_WAKE_USB_DETACH_GPIO_1
B6
HUSB_DN
J8
J7
HUSB_DP
A5
LPO_IN
PA_CTL_GPIO6_TX_PU_TDD_TX_PU_T
H8
F8
PCM_CLK_SCK
PCM_IN_SPDIF_IF_SD_IN
E8
D9
PCM_OUT_SPDIF_OUT_SD_OUT
0.1u
VUSB
C314
100K
R310
C320
470p
5
G1
10
G2
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
VGA_DVDD_1V8
ICVE10184E150R500FR FL404
15R309
C318
0.1u
2
56
31
4
EMX18
Q301
FL302 LFB212G45SG8A166
GND1 GND2
IN OUT
2.2u
C516
USB_VBUS VCHG
BATTERY
C301
1u
UART_BT_TX
UART_BT_RTS
UART_BT_CTS
VGA_AVDD_2V8
2V62_VIO
VGA_IOVDD_2V8
10KR313
1u
11
8
GND
6
IMIN
7
IUSB
9
IVDC
PGND
13
USB_BYP
10
1
VDC
12
VDC_BYP
VUSB
2
4
_CHG
5
_EN
_PPR
3
C303
SEL
10
9
VCC
8
_OE
2V62_VIO
ISL9221
U300
BAT
FSUSB30UMX
U301
D+
3
D-
5
GND
4
1
HSD1+
7
HSD1-
2
HSD2+
HSD2-
6
150K
R324
R412
1.5K
VBAT
RCLAMP0521P_TCT
ZD302
L300
VBAT
R318
100K
1
2
3
4
5
6
VBAT
ZD305
CN301
RSB6.8CST2R
100p
C321
DNI
C319
2.2u
R311 47
C316
BT_REG_ON
C308
10u
C302
R304
18K
1u
C305
2.2u
G2
1
INOUT_A1
INOUT_A2
2
INOUT_A3
3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
VDD_CHARGE
ICVE10184E150R500FR
FL405
5
G1
10
18K
R305
0.1u
220K
C309
TP302
R321
R312 15
RCLAMP0521P_TCT
ZD303
ANT402
1
2
100KR300
L427
1nH
R306
8.2K
C310
2.2u
RSB6.8CST2R
ZD304
Q300
1
3
2
120
2SA2030
0.1u
R319
USB_EN
UART_RX
C315
CAM_IO_OFF
I2C2_SCLCAM_PCK
MULTI_PORT_1 MULTI_PORT_0
VGA_CAM_DATA[5]
VGA_CAM_DATA[6]
VGA_CAM_DATA[0]
VGA_CAM_DATA[1]
VGA_CAM_DATA[7]
VGA_RESET
I2C2_SDA
CAM_HSYNC
CAM_MCK
CAM_VSYNC
USB_DP
KEY_OUT(1)
KEY_IN(2)
KEY_IN(1)
RPWRON
PWRON
KP_IN(6)
KP_OUT(0)
VGA_CAM_DATA[2]
VGA_CAM_DATA[3]
VGA_CAM_DATA[4]
_CHG_EN
CLK32K
UART_TX
USB_DM
BT_VCXO_EN
26M_BT
TA_DETECT
UART_BT_TX
UART_BT_RX
END_KEY
_PPR
_CHG_EOC
BT_WAKEUP
BT_HOST_WAKEUP
MULTI_PORT_0
MULTI_PORT_1
END_KEY
BT_PCM_IN
BT_PCM_SYNC
BT_PCM_CLK
BT_PCM_OUT
BT_RESET_N
UART_BT_RTS
UART_BT_CTS
BT_REG_ON
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