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4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
C7008
2.2u
R7005
105K
33u
C7001
Q7001
7
8
4
3
5
2
6
1
D1
D4
D2
D3
G
S1
S2
D5
10K
R7025
33p
C7006
20K
R7031
U7003
6
5
7
4
8
3
9
2
10
1
GND
RST2
/SR1
NC2
/RST
1
VC
C
NC1
/SR0
DS
R
TRIG
R7010
DNI
FL7001
IN
OUT
GND1 GND2
ZD7006
10
m
R7011
100p
C7014
10n
C7002
4.7n
C7009
C7013
DNI
16K
R7006
CN7001
4
3
6
2
1
5
U7002
C2
A2
A1
B1
B2
C1
GN
D
VIN2
VOUT
2
VOUT
1
VIN1
ON
C7010
100n
C7005
100n
D7004
D7002
10u
C7022
10u
C7021
RESENSE_M
RESENSE_M|GND
+VPWR
VBAT
PHONE_ON_N
BATT_FET_N
VREF_BAT_THM
BATT_THERM
VBAT_1
PHONE_ON_KEY_N
RESENSE_P
Have to check pin map
Current Sensing
Main GND Line.
Line Width must be over the 2mm.
0402 size
Battery Connector GND
Rev.B
Rev.B
Rev.B
TP3
TP5
TP4
TP5