Usb Ts - LG -E445 Service Manual

4.7 USB TS

START
Check the Connection of uUSB
Connection OK?
Main PCB Filter
Is the signal ok for USB+ & - ?
Change the Main PCB
LGE Internal Use Only
No
Yes
No
Yes
No
Yes
u-USB Connector
- 123 -
4. TROUBLE SHOOTING
Change I/O connector( SUB FPCB CN602)
Check Filter( FL602)
Change Filter( FL602 )
VBUS 2mm
CN602
10 8
1
6 2
3
7 4
5
11 9
D602
Copyright © 2013 LG Electronics. Inc. All right reserved.
VBUS_CHG_IN
FL601
+2V5_AVDD1_MTK
1
IN OUT
GND1 GND2
USB_ID
C620
VA606
22p
FL602
2 4
USBH_DM
P2 P4
1 3
USBH_DP
P1 P3
Only for training and service purposes