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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
4.3. Charging trouble
Check Points
-Connection of TA (check TA voltage 5V)
-Charging Current Path component voltage drop
-Battery voltage
1 Charging method : CC-CV
2 Charger detect voltage : 4.0 V
3 Charging time : 2h 45m
4 Charging current : 450 mA
5 CV voltage : 4.2 V
6 Cutoff current : 100 mA
7 Full charge indication current (icon stop current) : 100 mA
8 Recharge voltage : 4.10 V
4.2V~3.65V 3.65V~3.56V 3.56V~3.49V 3.49V~3.35V
TP1
L
E
C
ATPECER
T
R
O
PITLUM NIP
8
1
8
1
303
R
R300 100K
6
0
3
R
BSU_
S
UBV
8
1
p420
2
3C
00
3
L
Hn
001
C319
1u
R301 DNI
C315 47p
503B
F
8
1
3
C
p28
203LF
1P1
P22
3
P
3
4P4
P5 5
6
6P
0
5
0
F4
0
S
5
CS
V
E
Hn
0
0
130
3
L
OIV_2
6
V2
p42
203C
1
0
3LFRF
1
03E1
8
101P
F
VC
I
1DNG2
D
NG
N
I
TUO
G
H
CV
7
41
1
3
R
6
7
8
9
1
0
3
NC
1
01
11
21
31
41
51
61
71
81
91
2
02
3
4
5
2
0
3B
F
0
03
L
FR
F
10
3
E
18
10
1
P
F
VCI
1
DNG
2
DNG
N
I
TUO
40
3
B
F
303C
u
1
3
2
3
C
p
2
8
74
2
1
3
R
1
03BF
013R
7
4
P1
P22
3
3
P
4P4
P5 5
6
6
P
303LF
050F
4
0
S
5
C
SV
E
1
p7
4
103
C
H
n001
6
0
3L
ICVL0518100Y500FR
VA303
7
0
3
R
7
4
p
4
2
0
03C
VA302
ICVL0518100Y500FR
TABV
C316 39p
TCT_P1250PMALCR
ZD300
C317 1u
T
UO_VT
XR_TRAU
NTB_K
O
OH
TNA_MF
NE_NORWPR
T
C
E
T
E
D_KCAJ
XT_TRAU
1_TR
O
P_I
T
LUM
0_TR
O
P
_
ITLUM
RSD_
1
MI
S
R_O
S
H
L
_
OSH
TP1
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