Samsung SGH-F490, Руководство по обслуживанию, Страница: 63 / 103

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Flow Chart of Troubleshooting
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9-47
VDDA2
7
C
N
07
C
N
17
VDDA2
8
VTUNE_GPS
9
2
A
D
D
V
26
NI
_
X
T
36
PI
_
X
T
46
N
Q
_
X
T
56
P
Q_
X
T
66
F
E
RI
_
C
A
D
76
S
AI
B
R_
X
T
86
G
U
L
S_
D
N
G
96
1
T
U
O_
F
R_
B
L
55
1
T
U
O_
F
R_
B
H
65
2
T
U
O_
F
R_
B
L
75
2
T
U
O_
F
R_
B
H
85
3
T
U
O_
F
R_
B
H
95
VDDA1
6
2
A
D
D
V
06
2
A
D
D
V
16
EGSM_INP
48
EGSM_INN
49
VTUNE1
5
GCELL_INP
50
GCELL_INN
51
PDET_IN
25
1
A
D
D
V
35
2
A
D
D
V
45
WDRXHB1
40
WDRXLB
41
GPS_IN
42
VDDA2
43
GPCS_INP
44
GPCS_INN
45
DCS_INP
46
DCS_INN
47
M
B
H
X
R
P
W
3
3
T
U
O
_2
E
S
X
R
P
W
43
WPRXSE1_OUT
35
WPRXSE2
36
VDDA2
37
WPRXSE1
38
WDRXHB2
39
VDDA1
4
N
O_
F
R
62
2
A
D
D
V
7
2
P
NI
_
X
M_
B
W
8
2
M
NI
_
X
M_
B
W
9
2
VDDA1
3
P
B
L
X
R
P
W
0
3
M
B
L
X
R
P
W
1
3
P
B
H
X
R
P
W
23
C|
N
9
1
TCXO
2
T
D
B
S
02
2
A
D
D
V
1
2
1
A
D
D
V
22
M
D
D
V
3
2
2
E
N
U
T
V
42
2
A
D
D
V
5
2
VDDA1
PRX_QP
11
PRX_QN
12
PRX_IN
13
PRX_IP
14
DRX_QP
15
DRX_QN
16
17
DRX_IP
NI
_
X
R
D
81
U201
VDDA2
1
10
C240
C233
70
2
L
C246
C247
C262
C238
C241
C239
C253
4
02
L
L205
C242
C257
40
2
R
C258
C254
C226
9
52
C
L206
C263
C261
06
2
C
C244
2 G
G
5
IN
1
3
OUT
OUT 4
C248
F200
VREG_RF_S2_2.1V
PWR_DET
UMTS_RX_P_2100
UMTS_RX_M_2100
GSM_RX_P
GSM_RX_M
PCS_RX_P
PCS_RX_M
DCS_RX_P
DCS_RX_M
N
O
_
F
R
0
0
1
2_
P
_
X
R
_
S
T
M
U
0
0
1
2_
M
_
X
R
_
S
T
M
U
VREG_RF_S2_2.1V
UMTS_RX_2100
VDDA2
7
C
N
07
C
N
17
VDDA2
8
VTUNE_GPS
9
2
A
D
D
V
26
NI
_
X
T
36
PI
_
X
T
46
N
Q
_
X
T
56
P
Q_
X
T
66
F
E
RI
_
C
A
D
76
S
AI
B
R_
X
T
86
G
U
L
S_
D
N
G
96
1
T
U
O_
F
R_
B
L
55
1
T
U
O_
F
R_
B
H
65
2
T
U
O_
F
R_
B
L
75
2
T
U
O_
F
R_
B
H
85
3
T
U
O_
F
R_
B
H
95
VDDA1
6
2
A
D
D
V
06
2
A
D
D
V
16
EGSM_INP
48
EGSM_INN
49
VTUNE1
5
GCELL_INP
50
GCELL_INN
51
PDET_IN
25
1
A
D
D
V
35
2
A
D
D
V
45
WDRXHB1
40
WDRXLB
41
GPS_IN
42
VDDA2
43
GPCS_INP
44
GPCS_INN
45
DCS_INP
46
DCS_INN
47
M
B
H
X
R
P
W
3
3
T
U
O
_2
E
S
X
R
P
W
43
WPRXSE1_OUT
35
WPRXSE2
36
VDDA2
37
WPRXSE1
38
WDRXHB2
39
VDDA1
4
N
O_
F
R
62
2
A
D
D
V
7
2
P
NI
_
X
M_
B
W
8
2
M
NI
_
X
M_
B
W
9
2
VDDA1
3
P
B
L
X
R
P
W
0
3
M
B
L
X
R
P
W
1
3
P
B
H
X
R
P
W
23
C|
N
9
1
TCXO
2
T
D
B
S
02
2
A
D
D
V
1
2
1
A
D
D
V
22
M
D
D
V
3
2
2
E
N
U
T
V
42
2
A
D
D
V
5
2
VDDA1
PRX_QP
11
PRX_QN
12
PRX_IN
13
PRX_IP
14
DRX_QP
15
DRX_QN
16
17
DRX_IP
NI
_
X
R
D
81
U201
VDDA2
1
10
C240
C233
70
2
L
C246
C247
C262
C238
C241
C239
C253
4
02
L
L205
C242
C257
40
2
R
C258
C254
C226
9
52
C
L206
C263
C261
06
2
C
C244
2 G
G
5
IN
1
3
OUT
OUT 4
C248
F200
VREG_RF_S2_2.1V
PWR_DET
UMTS_RX_P_2100
UMTS_RX_M_2100
GSM_RX_P
GSM_RX_M
PCS_RX_P
PCS_RX_M
DCS_RX_P
DCS_RX_M
N
O
_
F
R
0
0
1
2_
P
_
X
R
_
S
T
M
U
0
0
1
2_
M
_
X
R
_
S
T
M
U
VREG_RF_S2_2.1V
UMTS_RX_2100
C100
C102
5
0
1
C
6
0
1
C
C107 C108
C109
0
1
1
C
1
1
1
C
C112
C113
C114
5
1
1
C
C116
C117
C120
1
2
1
C
C122
3
2
1
C
4
2
1
C
6
2
1
C
7
2
1
C
C128
9
2
1
C
0
3
1
C
4
3
1
C
5
3
1
C
6
3
1
C
7
3
1
C
C205 C209
C210
C212
C216
C217
C218
C221
6
2
2
C
C233
C238
9
3
2
C
C240
C241
C242
4
4
2
C
C246
7
4
2
C
8
4
2
C
3
5
2
C
C254
7
5
2
C
8
5
2
C
9
5
2
C
0
6
2
C
0
0
1
L
P
C
DUF100
0
0
1
F
1
0
1
F
2
0
1
F
3
0
1
F
0
0
2
F
L100
1
0
1
L
L102
L103
4
0
1
L
5
0
1
L
L106
7
0
1
L
8
0
1
L
L109
0
1
1
L
L111
L112
4
1
1L
L115
L116
L202
4
0
2L
L205
L206
L207
0
0
1
M
A
P
PA M10 1
R10 0 R101
R102
3
0
1
R
R104
5
0
1
R
R106
R107
8
0
1
R
9
0
1
R
R110
R111
2
1
1
R
4
0
2
R
6
0
2
R
0
0
1
S
F
R
0
0
1
A
T
TCX100
U20 1