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4. TROUBLE SHOOTING
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4.10 Charger Troubleshooting
Charging Procedure
- Connect TA or USB Cable
- Control the charging current by PM6650 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
CHARGER
Differential lines, route as equal length as possible !! --> ICHARGE , ICHARGEOUT
G
S
SI3493DV-E3
D1 D2 D3 D4
Q301
Q302
QST4
3
B
1
C1 C2
2
564
0.1
R313
2
C2
564
QST4
B
3C1
1
Q300
USB_VBUS
ICHARGEOUT
VBATT
BATT_FET_N
+VPWR
ICHARGE
CHG_CTL_N
+5V_PWR
USB_CTL_N