Charging Part - Samsung GT-P3100 Servise Manual

Level 3 Repair

8-3-5. Charging Part

TA / USB Insert
Charging Sequence Start
Vin = 5V
Battery is Charging?
V_BUS_IN
U502
1 GND 8
IN
2 VBAT
_FLAG
3
NC GS
4 _EN 5
ILIM
C509
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Yes
Yes
Yes
END
VUSB_5V JTAG_VBUS
7
6
IF_CON_SENSE
R525
C510
R52 5
U 70 7
C 75 1
C 75 0
C71 7
C 74 1
C 74 0
R72 2
C 73 2
C 73 3
R72 0
R713
No
or may not connected TA / USB
No
Resolder or Replace U706
CHG_SDA_1.8V
CHG_SCL_1.8V
TA_EN
R708
VUSB_5V
C729 C739
VAP_IO_1.8V
R720
TA_nCHG
ZD 505
ZD 506
ZD 502
C O N10 6
R53 3
R53 2
Z D 504 R53 4
R52 7
R52 6
C 51 1
R530
R529
8-12
Check C509 = 5V,
V_BAT
C725 C726
TR701
1
C727 C728 S
2
S
3
S
4
G
B5 B1
SDA FETDRV
A6
SCL
C6 C3 L705
USB5|1|HC SW
A5 C4
EN SW R713
C1 C5
OTG|LBR SW
C2 E3
USBIN CSIN
D2
USBIN
E2 D6
USBIN CSOUT
E6
CSOUT
U706
E4
C732
D+ C731
E5 E1
D- AUXPWR
B6 A4
STAT THERM
A1 D1
NC NC
A2 1
NC NC
A3 2
NC NC
R722
VOUT_CHARGER
8
D
7
D
6
D
5
D
C733 C740