![background image](http://html.mh-extra.com/html/samsung/sgh-t509/sgh-t509_service-manual_1190201036.webp)
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
7-8
BATTERY CHARGING
C512
R519
R515
VBAT
ZD500
+VDD_IO_HIGH_2.9V
ZD501
C510
C511
TA509
_EN
3 _PPR
11
GND
GND 8
9
ICDL
6
IMIN
USB
2
USBON 7
_CHG
4
5
U503
10
BAT
CRDL
1
R518
R514
R517
MES_BATT
CHG_ON
END_OF_CHG
USB_CHG_ON
+VBUS
V_EXT_CHARGE
AUX_ON