Charging Trouble - LG KP235 Service Manual

4. TROUBLE SHOOTING

4.5 Charging Trouble

TEST POINT
U202
CIRCUIT
CHG_DET
CHG_EN
LGE Internal Use Only
R220
Figure 4.5
2V8_VEXT
VCHARGE
R218 R219
NA 100K
C228
R224
NA 1u
ECZH0001215
(10V,K,X5R)
R222
U202
1 8
VIN BAT
2 7
_PPR
IREF
3 6
_CHG
IMIN
4 _EN 5
GND
9
PGND
ISL6294
EUSY0292601
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 50 -
C228
VBAT
C226
1u
ECZH0001215
(10V,K,X5R)
R225 R223
240K 30K
(1%) (1%)
Only for training and service purposes