Charging Part - Samsung SGH-P960 Service Manual

9-1-8. Charging Part

Abnormal Charging
Operation
YES
Check the pin #19, #20 of
IFC600 = 5V
(C606)
YES
Check the pin #3 of
BTC700 ≥ 2.8V(TA700)
YES
Check the charging IC(U402)
YES
END
EARMIC_P
EARMIC_N
EAR_R
EAR_L
EAR_SW
JACK_INT
ADC_BOOT_SW
IF_UART1_TX
IF_UART1_RX
JIG_ON
USB_D+
USB_D-
D603
1 IO1 IO5 6
2 5
GND IO4
3 4
IO2 IO3
VBATT
VF
TA700
C733
D702
NO
NO
L601
L602
D602
D604
1 IO1 IO5 6 1 IO1 IO5 6
2 5 2
GND IO4 GND IO4
3 4 3
IO2 IO3 IO2 IO3
C734
C735
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Check the TA
Check battery voltage
USB_VBUS_5V VBATT
VEXT_5V
R603
R604
R605
R606
R607
R608
R609
R613
C605
C607
C606
5
D606
4
BTC700
1
1
2
2
3
3
4 4
5
NC
6
NC
9-15
Flow Chart of Troubleshooting
R600
DVB_DEBUG_TX
R601
DVB_DEBUG_RX
IFC600
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15 15
16
16
17 17
18
18
19 19
20
20
21
NC
22 NC
23 NC
24
NC
25 NC
26
NC
27
NC