LG LG-V909DW - Page 87

4. TROUBLE SHOOTING
- 87 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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Typical USB path
0.1u
C1222
V_USB
VDD_5V0_HDMI
GB042-34S-H10-E3000
CN1204
1817
1916
2015
2114
2213
2312
2411
2510
269
278
287
296
305
314
323
332
341
C1211
0.1u
C1208
0.1u
V_POWERRAIL
DDC_SCL
DDC_SDA
HDMI_TXD2P
HDMI_TXD2N
HDMI_TXD1P
HDMI_TXD1N
HDMI_TXD0P
HDMI_TXCP
HDMI_TXCN
HDMI_TXD0N
HDMI_INT
SPK_L2+
SPK_L2-
SPK_R+
SPK_R-
USB1_DN
USB1_DP
CRADLE_DET
TABLET_USB_ID
0.7 mm
C1003
2.2u
C1006
0.1u
0.1u
C1000
V_POWERRAIL
u1
1001C
V_USB
V_POWERRAIL
U1004
4 3
5 2
6 1
S
B1
VCCGND
AB0
100K R1002
VDD_1V8
TP1000
IC1000
2B 1C 2C
C3A2
C4
D3
D1D4
A1
B1
A3
B4B3
B5A5
C5A4
D5D2
BAT
VB
DN1 COMN1
DP2 COMP2
U1 UID
U2
RES
MIC
AUD1 CAP
AUD2
GND
ISET IC
LCS ADS
TNI
L1001 8.2n
L1002 8.2n
L1000 8.2n
L1003 8.2n
0
R1008
GEN1_I2C_SCL
GEN1_I2C_SDA
MUIC_INT_N
UART_TX
UART_RX
USB1_DN
USB1_DP
USB_T20_DN
USB_T20_DP
CRADLE_DET
CRADLE_USB_ID
TABLET_USB_ID
USB_CP_DP
USB_CP_DN
MUIC
90ohm matching !!
Differential 90ohm matching !!
AC16
AF15
AG15
AH15
AH14
AE14
AD14
AC14
AD17
USB1_VBUS
USB1_DN
USB1_DP
USB1_ID
USB3_VBUS
USB3_DN
USB3_DP
USB3_ID
USB_REXT
USB1_VBUS
1KR144
USB1_ID
USB_T20_DN
USB_T20_DP
USB3_T20_DN
USB3_T20_DP
3V3_3ODL_V