LG KE590 Service Manual page 65

4. TROUBLE SHOOTING
4.4.4 Charging Current
- Charging Procedure
z Connecting TA & Charger Detection
z Control the charging Current by CHARGER IC
z Charging Current flow into the Battery
- Check Points
z Connection of TA
z Charger IC
z Battery
- Trouble Shooting Setup
z Connect Battery & TA to the handset
- Trouble Shooting Procedure
z Check the charger connector
z Check the charging current path
z Check the battery
CHG_EN
LGE Internal Use Only
VBUS VCHG
U102
1
CRDL
2
USB
6
IMIN
9
ICDL
7
USBON
5
_EN
R118
C113 C114
1uF 1 uF
100K
- 66 -
VBAT VRIO
ISL6299
10
BAT
3
_PPR
4
_CHG
8
GND
11
PGND
C115
1uF
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
_CHG_STAT