Samsung SGH-E790 Service Manual page 29

USB_DMNS
USB_DPLS
JIG_ON_IF
SDS_RXD
SDS_TXD
EAR_ADC
JACK_INT
EAR_SWITCH
EAR_L
EAR_COMN
EAR_R
EAR_MIC_N
EAR_MIC_P
C346 C347 C348 C349 C350
VEXT_5
CHG_ON
C149
VCCD_1_8
R315
R322
R321
R324
ZD320
D300
ZD322
1 VIN
2
3 _CHG
4
R151
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VBAT
JIG_ON_J
R316
SDS_RXD_J
SDS_TXD_J
C352
ZD319
D301
ZD321
U103
BAT 8
7
_PPR IREF
IMIN 6
5
_EN GND
GND
9 R159
3-15
Flow Chart of Troubleshooting
VBUS_5 VEXT_5
26
NC6
25
24 NC5
NC
23
22 NC
NC
21
NC
20
20
19
19
18
18
17
17
16
15 16
14 15
13 14
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
TA353
TA351
D322
VBAT
ICHRG
R160
TA177
IF302