3. TROUBLE SHOOTING
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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Typical USB Path.
FL6003
5
6
3
1
4
2
P2
P4
P1
P3
P6
P5
R12200
200K
+1.8V_L14_ADC
ZD12003
ZD12004
D12006
1u
C1200
2
47K
R1230
0
CN12000
11
10
9
5
4
3
2
1
8
7
6
C12001
22p
FL12000
1
IN
OUT
GND1 GND2
VBUS_USB_IN
C1200
0
1u
MSM_USB_DP
MSM_USB_DM
USB_ID
Rev.B
2mm
2mm
uUSB 5 pin connector
BOT
TOP
USB_DP : FL6003
VCHG Check : C12002