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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.7 Battery Charging Troubleshooting
Charging Procedure
- Connect TA or USB Cable
- Control the charging current by PM6658 IC
- Charging current flows into the battery
Troubleshooting Setup
- Connect TA and battery to the phone
Check Point
- Connection of TA or USB Cable
- Charging current path
- Battery
Troubleshooting Procedure
- Check the charger (TA or USB Cable) connector
- Check the charging current Path
- Check the battery
BATT_FET
+VPWR
D1
D2
D3
D4
D5
G
S1
S2
Q301
SIA411DJ
VBATT
BATT_FET_N
ICHARGEOUT
Z3X-BOX.COM
Содержание KF390
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Страница 179: ...Note Z 3 X B O X C O M ...