Samsung GT-B7320L, Руководство по обслуживанию

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Flow Chart of Troubleshooting
9-40
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L103
L
1
0
2
R107
C
1
7
1
L
1
0
1
L123
C100
L
1
2
2
R109
R108
1
1
2
2 3
3
RFS100
L
1
1
2
C
1
1
1
C168
L107
4
5
VC3
VC4
6
7
V
D
D
G
8
9
GSM1800|1900TX
GSM1900RX
A
N
T
2
UMTS1
20
21
UMTS2
UMTS3
22
2
3
G G
2
4
3
VC1
VC2
GSM850|900TX GSM850RX
12
13
GSM850RX
GSM900RX
14
15
GSM900RX
GSM1800RX
16
17
GSM1800RX
GSM1900RX
18
19
RFS102
1
G G
1
0
11
R110
G
RFS101
A
2
C
1
G
3 4
C
1
0
7
GSM850_900
GSM_ANT_SEL3_N
GSM_ANT_SEL2_N
GSM_ANT_SEL1_N
GSM_ANT_SEL0_N
GSM1800_1900
R101
C102
R103
R104
V_BAT
C104
R100
R105 R106
4
V
B
A
T
T
V
C
C
_
O
U
T
1
3
R102
1
2
G
N
D
1
4
G
N
D
G
N
D
1
5
8
GSM_IN GSM_OUT
9
6
N
C
TX_EN
3
V
A
P
C
5
PAM100
2
BS
16
DCS_OUT DCS|PCS_IN
1
G
N
D
7
1
0
G
N
D
G
N
D
1
1
TA100
GSM_PA_BAND GSM_PA_EN
PAM_RFOUT_DCS_PCS
PAM_RFOUT_G850_EGSM
GSM_
GSM1800_1900
GSM850_900
C155
C128
C127
C144
L117 R117
C142
C141
C138
2 5
G
1
IN
OUT
3
4
OUT
C153
F101
G
C126
L120
L
1
1
6
L115
4
C143
F100
2
G G
5
IN
1
3
OUT
OUT
L119
C170
C169
VTUNE_GPS
9
R114
6
6
T
X
_
Q
P
D
A
C
_
IR
E
F
6
7
6
8
T
X
_
R
B
IA
S
6
9
G
N
D
_
S
L
U
G
7
VDDA2
7
0
N
C
7
1
N
C
8
VDDA2
5
9
H
B
_
R
F
_
O
U
T
3
VDDA1
6
6
0
V
D
D
A
2
6
1
V
D
D
A
2
6
2
V
D
D
A
2
6
3
T
X
_
IN
6
4
T
X
_
IP
6
5
T
X
_
Q
N
51
GCELL_INN
5
2
P
D
E
T
_
IN
5
3
V
D
D
A
1
5
4
V
D
D
A
2
5
5
L
B
_
R
F
_
O
U
T
1
5
6
H
B
_
R
F
_
O
U
T
1
5
7
L
B
_
R
F
_
O
U
T
2
5
8
H
B
_
R
F
_
O
U
T
2
44
GPCS_INP
45
GPCS_INN
46
DCS_INP
47
DCS_INN
48
EGSM_INP
49
EGSM_INN
5
VTUNE1
50
GCELL_INP
37
VDDA2
38
WPRXSE1
39
WDRXHB2
4
VDDA1
40
WDRXHB1
41
WDRXLB
42
GPS_IN
43
VDDA2
3
VDDA1
3
0
W
P
R
X
L
B
P
3
1
W
P
R
X
L
B
M
3
2
W
P
R
X
H
B
P
3
3
W
P
R
X
H
B
M
3
4
W
P
R
X
S
E
2
_
O
U
T
35
WPRXSE1_OUT
36
WPRXSE2
2
2
V
D
D
A
1
2
3
V
D
D
M
2
4
V
T
U
N
E
2
2
5
V
D
D
A
2
2
6
R
F
_
O
N
2
7
V
D
D
A
2
2
8
W
B
_
M
X
_
IN
P
2
9
W
B
_
M
X
_
IN
M
15
DRX_QP
16
DRX_QN
17
DRX_IP
1
8
D
R
X
_
IN
1
9
N
|C
2
TCXO
2
0
S
B
D
T
2
1
V
D
D
A
2
1
VDDA2
10
VDDA1
11
PRX_QP
12
PRX_QN
13
PRX_IN
14
PRX_IP
C145
U100
C125
C139 C140
L
1
2
1
VREG_PA_2.1V
C
1
4
7
PAM_RFOUT_W850
WCDMA_RXM_1900
WCDMA_RXP_1900
RX_GPS
R
T
R
_
W
8
5
0
_
P
R
T
R
_
W
8
5
0
_
M
RTR_W1900_RX
RX_GSM850_P
RX_GSM850_N
PWR_DET
PAM_RFOUT_G850_EGSM
PAM_RFOUT_DCS_PCS
PAM_RFOUT_W2100_W1900
WCDMA_RXM_2100
WCDMA_RXP_2100
RX_EGSM900_N
RX_EGSM900_P
RX_DCS1800_N
RX_DCS1800_P
RX_PCS1900_N
RX_PCS1900_P
RTR_W2100_RX
W
C
D
M
A
_
R
X
M
_
1
9
0
0
_
2
1
0
0
W
C
D
M
A
_
R
X
P
_
1
9
0
0
_
2
1
0
0
T
X
_
O
N