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4. TROUBLE SHOOTING
4.5 Charging Trouble
TEST POINT
C226
U503
CN200
CIRCUIT
VCHARGE
VCHG_ABB
R200
100ohm
U503
1
IN1
_EN
2
GND
NC2
3
_FLAG
NC1
4
IN2
OUT2
5
IN3
OUT1
11
GND_PAD
IN_PAD
NCP347MTAH
21
19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
22
(Reverse Type)
C221
CN200
1u
(25V, 1608)
LGE Internal Use Only
ZD200
EDZTE615_1B
INSTPAR
CHG_DET
CHG_EN
10
9
8
7
6
12
C212
C213
10u
56p
VCHG_ABB
VBAT
CHARGING IC
2V8_VEXT
VCHARGE
R218
R219
1
NA
100K
R220
2
0
3
R222
4 _EN
9
0
R224
C228
NA
1u
EUSY0292601
ECZH0001215
(10V,K,X5R)
R109
2.2K
C134
0.1u
C133
RF_TEMP
4.7u
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 48 -
FL200
Anode
Anode
R200
VBAT
U202
8
VIN
BAT
7
_PPR
IREF
C226
6
_CHG
IMIN
1u
ECZH0001215
5
(10V,K,X5R)
GND
PGND
R225
R223
ISL6294
240K
30K
(1%)
(1%)
T12
VMEMSEL
C131
1u
D17
REF
C15
NC14
C14
NC15
A13
TEMP2
A14
AUXADC1
B14
AUXADC2
T13
VRTC
C12
VCHG
A12
GATEDRIVE
C13
ISENSE
B13
VBATSENSE
F17
Only for training and service purposes
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