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SGH-I300 Flow Chart of Troubleshooting and Circuit Diagrams
2-5
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2-3. Charge Part
abnormal Charging part
Yes
Yes
Replace TC
No
No
Check the path from
CN605
to pin 1 of CN301
Yes
Check the
pin 1 of
CN301 = 4.2V
Check the
pin 22 of
CN605 = 4.2V
Yes
END
Charging
NC
26
4
4
5
5
6
6
7
7
8
8
9
9
25
NC
19
19
2
2
20
20
21
21
22
22
23
23
24
24
3
3
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
CN605
1
1
10
10
R610
R609
51
6
H
T
R623
91
6
H
T
02
6
H
T
32
6
H
T
R621
22
6
H
T
R624
82
6
H
T
6
16
H
T
R622
D603
12
6
H
T
71
6
H
T
D602
AUTO_PWR
VBUS
PWR_GND
CHARGE_DET
SDS_RXD
FFRXD
SDS_TXD
VBAT
VBAT
USB_D+
USB_D-
FFTXD