LG GD910 Service Manual page 112

8. CIRCUIT DIAGRAM
1 2
Charger IC
A
USB_VBUS
2V62_VIO
VCHG
_PPR
_CHG_EOC
B _CHG_EN
C304 C305
2.2u 2.2u
C
Remote Power & Side Key
PWRON
6
R320
47K
VBAT
R317
1
10K
D
R318
100K
KP_OUT(0)
2
1
2SA2030
3
Q300
KP_IN(6)
E
VGA CAMERA & EXT. PORT
F
ICVE10184E150R500FR
9
VGA_CAM_DATA[0] INOUT_B1 INOUT_A1
8
VGA_CAM_DATA[1] INOUT_B2 INOUT_A2
7
VGA_CAM_DATA[2] INOUT_B3 INOUT_A3
6
VGA_CAM_DATA[3] INOUT_B4 INOUT_A4
USB_VBUS
G
C515
ZD305
2.2u
RSB6.8CST2R
9
VGA_CAM_DATA[4] INOUT_B1 INOUT_A1
8
VGA_CAM_DATA[5] INOUT_B2 INOUT_A2
7
VGA_CAM_DATA[6] INOUT_B3 INOUT_A3
6
VGA_CAM_DATA[7] INOUT_B4 INOUT_A4
H
1 2
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3 4 5
BATTERY
U300
VDD_CHARGE
13 D300
PGND
1
VDC
12 1
VDC_BYP
2 3
VUSB
11 2
BAT
3
_PPR
10
USB_BYP KDR331V
4
_CHG R302
9
IVDC 47K
5
_EN C301 C302 C303
8
GND 1u 1u 1u TA_DETECT
6
IMIN
7
IUSB
R303
47K
ISL9221
R305 R304
R306
8.2K 18K 18K
Charging Current : 379mA
EOC Current : 67mA
R319 120
END_KEY
CN301
5 4 1
KEY_OUT(1)
2
KEY_IN(1)
Q301 3
KEY_IN(2)
EMX18 4
END_KEY
5
VBAT
2 3 6
R321
RPWRON
220K
C308 R322
SEND : KEY_IN(1) + KEY_OUT(1)
10u 220K
CLR : KEY_IN(2) + KEY_OUT(1)
VGA_AVDD_2V8
VGA_DVDD_1V8
CN303
C314 31 32 C315
VGA_IOVDD_2V8
0.1u 0.1u
1 28
2 27
CAM_MCK
3 26
C318
VGA_RESET
4 25 0.1u
CAM_PCK I2C2_SCL
5 24
I2C2_SDA
6 23
FL404
CAM_IO_OFF
1
7 22
2
CAM_HSYNC R326
3
20K
8 21
4
CAM_VSYNC
9 20
10 19
VCHG
11 18
12 17
13 16
14 15
C516
MULTI_PORT_1 MULTI_PORT_0 ZD304
2.2u
29 30 ZD302 RSB6.8CST2R
ZD303
RCLAMP0521P_TCT
RCLAMP0521P_TCT
1
2
3
4
ICVE10184E150R500FR
FL405
3 4 5
6 7 8 9
SWITCH FOR USB2.0
USB_EN
R310
100K
UART_RX
USB_DM
R313
BLUETOOTH
C309
0.1u
C316
2.2u
ANT402
1
C317
10p
FL302 LFB212G45SG8A166
2
IN OUT
GND1 GND2 R324
C319 150K
DNI
L427
J3
RES
1nH C1
RFIOP
E1
RFION
D1
RFTUNE
C320
470p
J2
VCTRIFP
J5
26M_BT XTAL_P
J4
XTAL_N
C321
A5
CLK32K LPO_IN
100p
A9
SCL_TX_PU_TDO_N
A8
SDA_TX_PU_TDO
H7
GPIO7_TX_PU_TDDN_TX_PU_TDO_USB
H8
PA_CTL_GPIO6_TX_PU_TDD_TX_PU_T
G9
BT_VCXO_EN
XTAL_PD_GPIO5_TX_PU_TDO_TX_PU_
F9
RF_ACTIVE_GPIO4
E9
BT_PRIORITY_STATUS_GPIO3
A6
TX_CONFX_WLAN_ACTIVITY_GPIO2
B6
BT_HOST_WAKEUP HOST_WAKE_USB_DETACH_GPIO_1
B5
BT_WAKEUP BT_WAKE_GPIO_0
6 7 8 9
- 113 -
10 11 12
VBAT
VUSB
C300
0.01u
R412
1.5K
U301
FSUSB30UMX
10 1 R308 47
SEL HSD1+ UART_TX
9 2 R309 15
VCC HSD2+ USB_DP
8 3
_OE D+ MULTI_PORT_0
R311 47 7 4
HSD1- GND
R312 15
6 5
HSD2- D- MULTI_PORT_1
10K
L300
C312
C310 2.2u
BT_REG_ON
2.2u
C313
2.2u
2V62_VIO
TP302
B4
RST_N BT_RESET_N
H5
TM2
H6
TM1
J6
TM0
D4
U302 TST1
BCM2046SB1
F8
PCM_CLK_SCK BT_PCM_CLK
E8
PCM_IN_SPDIF_IF_SD_IN BT_PCM_OUT
D9
PCM_OUT_SPDIF_OUT_SD_OUT BT_PCM_IN
D8
PCM_SYNC_TX_PU_TDO BT_PCM_SYNC
UART_BT_RTS
C8
UART_CTS_N UART_BT_RTS
C9 UART_BT_CTS
UART_BT_CTS
UART_RTS_N UART_BT_TX
B9
UART_RXD UART_BT_RX UART_BT_TX
B8
UART_TXD UART_BT_RX
J8
HUSB_DN
J7
HUSB_DP
10 11 12
A
B
C
D
E
F
G
H
LGE Internal Use Only