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SGH-P400 Flow Chart of Troubleshooting
3-
6
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VBAT
DEBUG_TXD
SDS_RXD
BP_VF
DEBUG_DSR
DLC_DETECT
GND
JIG_ON
DEBUG_RTS
DEBUG_RXD
DEBUG_DTR
CF
VEXT
GND
GND
DEBUG_CTS
VEXT
SDS_TXD
DEBUG_DCD
DEBUG_RI
VTEST
19
20
VCCD
22
R300
47K
2
3
4
5
ZD302
6
ZD301
1
9
10
7
8
5
3
4
47K
R301
R3041
K
VCCD
1K
R302
R307
220K
R3081
K
1K
R305
100NF
C300
13
11
12
R303
1
2
3
4
5
1K
16
17
ZD300
15
2
ZD306
R306
CN300-1
1
1K
ZD305
ZD307
ZD304
VCCD
ZD303
18
14
21
ZD308
VBAT
TA_VEXT
DLC_DETECT
220NF
C301
SDS_RXD
JIG_ON
SDS_TXD
DEBUG_RXD
DEBUG_TXD
DEBUG_RI
BP_VF
DEBUG_CTS
DEBUG_RTS
DEBUG_DCD
DEBUG_DTR
DEBUG_DSR