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Flow Chart of Troubleshooting
V_EXT_CHARGE
ZD501
BATTERY CHARGING
+VDD_IO_HIGH_2.9V
R507
C502
C503
1
CRDL
2 USB
+VBUS
3
_PPR
AUX_ON
4 _CHG
END_OF_CHG
5
_EN
CHG_ON
11
C505
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U501
10
BAT
ICDL 9
ZD500
GND
8
7
USBON
IMIN 6
GND
R512
R511
7-8
VBAT
R508
R510
C501
USB_CHG_ON
MES_BATT
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