![Samsung SGH-J770 Скачать руководство пользователя страница 49](http://html.mh-extra.com/html/samsung/sgh-j770/sgh-j770_service-manual_356839049.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
10-41
PCS RX
DCS RX
GSM900 RX
L103
VCC_SYN_2.8V
R104
R102
L109
5
5 6
6
ANT100
1
1
2 2
3 3
4
4
C119
VDD_RX_TX_2.8V
3
T
O
H
C116
OSC100
1
D
N
G
2
2
D
N
G
4
T
O
H
1
R115
C101
C130
C114
RFS100
2
A
C
1
3
G
4
G
C128
VDD5
16
10
VIO
XDIV
30
36
XEN
XMODE
29
8
T
U
O
X
XTAL1
35
34
XTAL2
19
N
D
P_
S
E
R_
9
N
E
S_
1
P
EI
F
R
N
PI
F
R
21
20
P
PI
F
R
RFOH
17
15
RFOL
KL
C
S
3
OI
D
S
2
VDD1
33
32
VDD2
11
VDD3
VDD4
12
GND
28
GND1
37
18
NC
13
RAMPIN
RAMPOUT
14
N
AI
F
R
27
P
AI
F
R
26
23
N
DI
F
R
P
DI
F
R
22
25
N
EI
F
R
24
U107
AFC
31
6
NI
B
PI
B
7
N
Q
B
4
P
Q
B
5
C129
L101
C125
C135
C120
C113
L114
C121
18
HB_RFOUT
7 LB_RFIN
12
LB_RFOUT
5
MODE
RAMP
6
TXEN
3
4
VBATT
VBIAS
8
D
N
G
13
14
D
N
G
D
N
G
15
16
D
N
G
D
N
G
17
19
D
N
G
D
N
G
20
1
HB_RFIN
U106
2
BAND_SEL
D
N
G
10
22
D
N
G
D
N
G
1
1
3
2
D
N
G
SC101
1 1
2
2
3
3
4 4
5
5
C133
L106
C139
5
5
L113
SC103
1 1
2
2
3
3
4 4
2
3 3
4 4
5
5
L102
4
4
5
5
6
6
SC100
1 1
2
ANT102
1 1
2
2
3
3
SC102
1 1
2
2
3
3
4 4
5
5
U104
R103
R113
C126
C118
PCS_RX2 6
VC1
11
9
VC2
EGSM_RX2 2
EGSM_TX
10
7
G G
12 14
G G
15
G
16
5
PCS_RX1
F100
13
ANT
3
DCS_RX1
DCS_RX2 4
8 DCS|PCSTX
1
EGSM_RX1
VDD_RX_TX_2.8V
TA100
C117
L112
C108
C112
C132
C124
C138
U105
D611
R101
C123
C115
R112
C137
C127
C131
C122
C134
REF_ON
SYS_CLK_BT
REF_ON_PMU
GSM_TX
RFIC_RESET
REF_ON_PMU
BAND_SEL
BT_CLK
D_REF_CLK
26M_CLK
GSM_TX
26M_CLK
VC1
DPCS_TX
T
ES
E
R_
CI
F
R
VDD_IO_LOW_1.8V
PON_3587_SYNTH
RAMP
VC2
DPCS_TX
VBAT
PON_PA
MODE_SELECT
RX_TX_IP
RX_TX_IN
RX_TX_QP
RX_TX_QN
RF_DATA
RF_CLK
RF_EN
0
0
1
T
N
A
2
0
1
T
N
A
C1
05
C1
08
2
1
1
C
C1
13
4
1
1
C
5
1
1
C
6
1
1
C
7
1
1
C
8
1
1
C
9
1
1
C
0
2
1
C
1
2
1
C
C1
22
3
2
1
C
4
2
1
C
8
2
1
C
C1
29
0
3
1
C
C1
31
2
3
1
C
3
3
1
C
5
3
1
C
4
3
1
C
7
3
1
C
8
3
1
C
C1
39
7
0
5
C
F1
00
L1
01
L1
02
L1
03
L1
06
L1
09
L1
12
L1
13
4
1
1
L
OSC100
4
0
1
R
2
1
1
R
3
1
1
R
R1
15
7
0
5
R
RF
S1
00
0
0
1
C
S
1
0
1
C
S
SC
10
2
SC
10
3
TA
10
0
U1
04
U1
05
6
0
1
U
7
0
1
U
0
0
5
R
V