Charging Trouble; Only For Training And Service Purposes - LG KG280 Service Manual

4.5 Charging Trouble

TEST POINT
D200
R213
Q200
CIRCUIT
Charging IC
C225
1u
GATEDRV
ISENSE
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

VBAT VCHARGE
R212 C223
D200
4.7u
0.2
CUS02
R213
330
Q200
G S
4 5
D3 D4
3 6
D2 D5
2 7
D1 D6
1 8
TPCF8102-TE85L-F
4. TROUBLE SHOOTING
R212
Figure 12
VCHARGE
C224
0.1u
R215
PRE_CHARGE_R
1.5K
R217
10K
- 55 -
CN300
VBAT
R211
0
R214
Q201
1K
R216
7.5K
R218
10K
UMX1NTN
LGE Internal Use Only
INDLED_R