Charging Trouble - LG C1150 Service Manual

4. TROUBLE SHOOTING

4.4 Charging Trouble

Test Points
Circuit Diagram
VCHG
ISENSE
GATEDRIVE
KEYOUT
KEYON
REFBB
NC_T12
NC_R1
VBAT
R107
10K
A5
A7
A6
T13
KEY_ROW0
R110
T14
1K
A10
T12
R1
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Figure 4-16
VCHARGE
C122
CUS02
10u
D101
R108
R109
330
Q103
KB101
4 5
G S
PWR KEY
3 6
D3 D4
2 7
D2 D5
1 8
D1 D6
TPCF8102-TE85L-F
D101
R108
Q103
VBAT
Current Sense
0.2
1%
CLOSE TO BATTERY PACK