![background image](http://html.mh-extra.com/html/samsung/i8510/i8510_service-manual_1193031112.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-57
This Document can not be used without Samsung's authorization
V_BAT
7
BS1
8
_TXEN
9
MODE
03
D
N
G
13
D
N
G
23
D
N
G
33
D
N
G
43
D
N
G
4
C
P
A
V
5
T
T
A
B
V
6
BS2
32
D
N
G
42
D
N
G
52
D
N
G
62
D
N
G
72
D
N
G
82
D
N
G
92
D
N
G
3
LB_RF_IN
16
RX1
71
T
N
A
18
WCDMA1
19
WCDMA2
2
D
N
G
20
WCDMA3
12
D
N
G
22
D
N
G
U101
1
HB_RF_IN
10
RSVD
11
D
N
G
21
D
N
G
13
RX4
14
RX3
15
RX2
C105
30
60
C104
R106
30
6
0
R101
R105
30
6
0
0603
R103
30
6
0
0603
R102
R104
30
6
0
C114
0603
C116
0603
3
4
G
C115
0603
CN101
2
A
C
1
G
1005
1005
L101
C102
1005
L103
C101
0603
1005
C103
L102
30
6
0
L105
3
06
0
C107
0603
C106
0603
C113
0603
SIZE
C112
0603
SIZE
C118
30
60
C117
C120
0603
L109
C119
0603
L111
30
60
F103
2
G
5
G
IN
1
3
OUT
4
OUT
F102
2
G
5
G
IN
1
3
OUT
4
OUT
F101
2
G
5
G
IN
1
3
OUT
4
OUT
L110
30
60
L108
30
60
L106
30
60
L104
3
06
0
L107
30
60
0603
0603
C111
0603
C110
C108
0603
C109
F104
2
G
G
5
1
IN
3
OUT
4
OUT
1
1
2 2
3
3
4
4
1
1
2
2
3
3
4
4
ANT_GND101
ANT101
GSM850_RXP
ANT
PCS_RXP
DCS_RXM
DCS_RXP
GSM_RXM
GSM_RXP
GSM850_RXM
GSM_ANT_SEL3
RFOUT_GCELL_EGSM
RFOUT_DCS_PCS
PCS_RXM
TRX_WCDMA2100
TRX_WCDMA900
GSM_PA_PWR_CTL
GSM_ANT_SEL1
GSM_ANT_SEL0
GSM_ANT_SEL2
2
32
C
3
32
C
92
2
C
82
2
C
75
2
C
45
2
C
R225
C246
VMSMP_2.6V
VRFRX1_2.1V
04
2
C
C217
C216
OUT
3
4
OUT
F201
2
G
G
5
IN
1
94
2
C
05
2
C
83
2
C
73
2
C
C231
35
2
C
C241
07
17
C
N
8
VDDA2
9
VTUNE_GPS
VRFRX1_2.1V
36
46
PI
_
X
T
56
N
Q
_
X
T
66
P
Q
_
X
T
76
F
E
RI
_
C
A
D
86
S
AI
B
R_
X
T
96
G
U
L
S_
D
N
G
7
VDDA2
C
N
65
1
T
U
O_
F
R_
B
H
75
2
T
U
O_
F
R_
B
L
85
2
T
U
O_
F
R_
B
H
95
3
T
U
O_
F
R_
B
H
6
VDDA1
06
2
A
D
D
V
16
2
A
D
D
V
26
2
A
D
D
V
NI
_
X
T
49
EGSM_INN
5
VTUNE1
50
GCELL_INP
51
GCELL_INN
25
NI
_
T
E
D
P
35
1
A
D
D
V
45
2
A
D
D
V
55
1
T
U
O_
F
R_
B
L
41
WDRXLB
42
GPS_IN
43
VDDA2
44
GPCS_INP
45
GPCS_INN
46
DCS_INP
47
DCS_INN
48
EGSM_INP
43
T
U
O_
2
E
S
X
R
P
W
35
WPRXSE1_OUT
36
WPRXSE2
37
VDDA2
38
WPRXSE1
39
WDRXHB2
4
VDDA1
40
WDRXHB1
72
2
A
D
D
V
82
P
NI
_
X
M_
B
W
92
M
NI
_
X
M_
B
W
3
VDDA1
03
P
B
L
X
R
P
W
13
M
B
L
X
R
P
W
23
P
B
H
X
R
P
W
33
M
B
H
X
R
P
W
2
TCXO
02
T
D
B
S
12
2
A
D
D
V
22
1
A
D
D
V
32
M
D
D
V
42
2
E
N
U
T
V
52
2
A
D
D
V
62
N
O
_
F
R
12
PRX_QN
13
PRX_IN
14
PRX_IP
DRX_QP
15
DRX_QN
16
17
DRX_IP
81
NI
_
X
R
D
91
C|
N
U201
1
VDDA2
10
VDDA1
11
PRX_QP
50
2
C
55
2
C
C202
VRFRX2_2.7V
R201
54
2
C
C242
C244
C222
R224
93
2
C
C243
65
2
C
85
2
C
C203
15
2
C
25
2
C
74
2
C
80
2
C
C263
40
2
C
R205
C224
12
2
C
VRFRX2_2.7V
02
2
C
L203
L205
C210
C226
60
2
L
95
2
C
R210
C212
84
2
C
90
2
C
L208
70
2
C
C261
53
2
C
R206
03
2
C
06
2
C
C225
L204
C201
R211
63
2
C
60
2
C
26
2
C
C223
L207
C284
R212
C211
C286
GSM850_RXP
GSM850_RXM
RFOUT_UMTS900
WCDMA900_RX
RFOUT_DCS_PCS
RFOUT_GCELL_EGSM
GSM_RXM
GSM_RXP
PCS_RXP
PCS_RXM
DCS_RXP
DCS_RXM
PWR_DET
UMTS_RXM_2100
UMTS_RXP_2100
RFOUT_UMTS2100
N_I
_
X
T
P
_I
_
X
T
N_
Q_
X
T
P_
Q_
X
T
F
E
R
_
C
A
D
N
O_
X
T_
N
O
_
F
R
0
01
2_
P
X
R
_
S
T
M
U
0
01
2_
M
X
R_
S
T
M
U
WCDMA2100_RX
RX_GPS
RX_Q_P
RX_Q_N
RX_I_N
RX_I_P
DRX_Q_P
DRX_Q_N
DRX_I_P
DRX_I_N
RTR6285_TCXO
R
T
R_
T
D
B
S
S
from U201
to U101
Summary of Contents for I8510
Page 133: ...www s manuals com ...