LG GT500 - Page 109

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Main Board ( Bottom side)
- I/O connector and FET
TP1
TP2
TP3
TP4
Charging
VBUS
D1
D2
D3
D4
G1
G2
S1
S2
Q300 SIA911DJ
CHREG
DCIO_INT
2012
Close by uUSB CONN
L500
82nH
U500
NUS3065MUTAG
CNTRL
3
4
DRAIN
DRAIN_THERMAL
9
GATE
6
GND
2
IN
1
7
OUT
5
SRC
8
VCC
G2
4
IN
1
OUT
2
22p
C511
FL500NFM21PC105B1A3
3
G1
6
7
8
9
CN501
1
10
11
12
13
14
15
2
3
4
5
ULCE0505C015FR
VA500
DNI
C502
SD12T1G
ZD500
9
INSTPAR
CN500
1
2
1 uF
C510
VBUS
USW_ID
FM_ANT
USW_DP
USW_DM
TP2
TP1
TP3