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Flow Chart of Troubleshooting
9-14
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9-1-8. Charging Part
R610
R606
R613
25 25
3
3
4
4
5 5
6
6
7 7
8
8
9
9
18
18
19 19
2
2
20
20
21 21
22
22
23 23
24
24
10
10
11 11
12
12
13
13
14
14
15 15
16
16
17 17
IFC600
1 1
R612
R611
C611
VEXT_5V
R608
R609
C610
08
_5V
R607
L601
C609
TA602
VBATT_4.2V
L600
Abnormal Charging
Operation
YES
YES
Check the charging IC(U402)
END
YES
Check battery voltage
Check the TA
NO
NO
YES
Check the pin #19, #20 of
IFC600 = 5V
(C610)
Check the pin #3 of
BTC700
≥
2.8V(C701)
C700
V_TCXO_2.85V
2
2
3
3
NC
4
5 NC
6 NC
7 NC
BTC700
1 1
R
70
1
TA700
D700
C701
VBATT_4.2V
VF
C461
R
42
6
R430
C459
R428
V_MSMP_2.6V
R429
C460
VBATT_4.2V
EN
11
GND
IDC 8
3 ITERM
IUSB
2
PWR
4
USBIN
1
U402
9
BAT
BATDET 7
CHRG
5
DCIN 10
6
VF
CHG_INDICATE
VEXT_5V
CHG_EN_N
USB_VBUS_5V
Summary of Contents for SGH-F480
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