Charging Trouble - LG KT610 Service Manual
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Also See for KT610:
- User manual (346 pages) ,
- User manual (104 pages) ,
- User manual (170 pages)
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4.14 Charging trouble
TA
(4.8V)
USB
Cable
(5.0V)
Main
Battery
■ Charging Procedure
- Connecting TA or USB Cable
OVP Circuit (between PM6658 and Main Battery)
■ Check Point
- Connection of TA or USB Cable
- Charging current path
- Battery
■ Trouble Shooting Setup
- Connect TA or USB Cable and battery to the phone
■ Trouble Shooting Procedure
- Check the charger connector
- Check the charging current path
- Check the battery
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+
5
V
_
OVP
V
B
A
T
T
B
A
T
T
_
F
E
T
S
A I
4
1
1
D
J
Q
8
0
0
V
B
A
T
T
OVP Circuit
Fig. Charging Pass
→
+5V PWR Line PM6658(VCHG)
→
- 125 -
4. TROUBLE SHOOTING
P
W
R
C
8
1
9
2
2 .
u
R
8
0
7
5
1
K
C I
H
A
R
G
E
O
U
T
_
N
+
V
P
W
R
C I
H
A
R
G
E
O
U
T
B
A
T
T
_
F
E
T
_
N
→
PM6658(ICHARGEOUT)
Main Battery
U
8
0
1
C
1
V
C
H
G
T
P
8
0
0
C
2
C
H
G
_
C
T
L
_
N
D
1
S I
N
S
_
M
T
P
8
0
1
D
2
S I
N
S
_
P
E
1
V
B
A
T
E
2
B
A
T
_
F
E
T
_
N
F
2
U
S
B
_
O
V
P
_
G
1 J
0
V
C
O
N I
H
1
U
S
B
_
V
B
U
S
→
LGE Internal Use Only
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