Flow Chart of Troubleshooting
9-
31
WCDMA Part
TA
213
C215
C200
C229
C244
C248
C206
L201
R202
C231
L204
1NF
C223
R220
R219
C209
C210
C236
C208
11
0
V
CC2
VC
O
N
T
4
VR
EF
5
C233
GN
D
3
GN
D
9
GN
D
7
GN
D
6
GN
D
11
2
RF
IN
8
RF
O
U
T
V
CC1
R201
U
202
L209
R214
C227
UM
T
S
_L_I
N
UT
M
S
_L_O
UT
13
15
VDDA
9
V
DDM
16
7
SBCK
SBD
T
10
8
SBST
UM
T
S
_H_B
IA
S
3
4
UM
T
S
_H_I
N
UM
T
S
_H_O
UT
11
UM
T
S
_L_B
IA
S
2
1
6
12
GN
D
14
GND
17
GND
GND
18
GND
19
NC
21
22
NC
R_BIAS
U201
20
GND
5
GN
D
GND
Q
202
D
3
G
1
S
2
G
42
G
1
OU
T
SW
3
5
VC
VC
C
7
C247
O
S
C201
G
86
G
C
225
L205
C211
C242
C241
R204
R216
G
ND2
IN
1
OU
T
2
R218
F202
G
ND1
34
C
220
R210
L210
C235
R213
R208
R206
C201
R200
E2
4
C219
B1
2
B2
5
6
C1
C2
3
E1
1
C246
Q200
F
200
2
G
G
5
IN
1
OU
T
3
4
OU
T
R217
L211
C207
RF
IN
8
SR
EF
1
VPO
S
VR
M
S
7
L202
U200
CO
M
M
5
6
FL
TR
GN
D
9
IR
E
F
2
4
PW
D
N
3
L208
C
239
C
212
C234
L206
L213
9
G7
10
G8
G9
12
5
RX
11
TX
8
1
G1
13
G10
G2
23
G3
G4
46
G5
G6
7
C
224
F2
0
1
AN
T
C226
4
V
DDA
1
14
VDDA2
17
VDDA3
VDDA4
18
VDDA5
20
27
V
DDA
6
29
V
DDA
7
VDDA8
39
23
V
DDM
33
RX_QP
34
R_BIAS
38
SBC
K
25
26
SBD
T
SBST
24
28
TC
X
O
UM
T
S
_H_I
NM
8
UM
T
S
_H_I
NP
6
UMTS_L_INM
40
UM
T
S
_L_I
NP
2
11
13
GND7
G
ND8
22
GND9
32
LO_INM
15
16
LO_INP
19
LO_OUT
NC1
45
46
NC2
RX
_I
M
30
RX
_I
P
31
RX_QM
1
G
ND1
GND10
35
GND11
41
42
GND12
GND13
43
44
GND14
3
G
ND2
G
ND3
5
7
G
ND4
9
G
ND5
G
ND6
U203
10
DNC2
DNC3
12
21
DNC4
DNC5
36
DNC6
37
L200
C203
R212
R207
C202
R211
C214
L212
C249
C205
C216
L207
C228
C222
R
209
R205
C237
L214
R
215
3
OU
T
VC
C
4
1
VC
O
N
V
R
E
G
_T
CX
O
_2.
8V
V
R
E
G
_RF
T
X
_2.
85V
T
C
X
O
200
2
GN
D
C232
C
230
C240
C245
T
R
201
1
3
2
R203
C204
L203
C238
C243
TC
X
O
VBAT
T
V
R
E
G
_RT
R
_2.
85V
PA_R1
HDE
T
P
A
_
O
N
_U1900
T
R
K
_LO
_A
DJ
UHF
_B
A
ND_S
E
L
V
R
E
G
_RF
R
X
_2.
85V
U2100_O
UT
UHF
_V
CO
_E
N
VR
EG
_
SYN
T
_
2
.8
V
RX
_UHF
_LO
_CA
L
U2100_RX
M
U2100_RX
P
U2100_RX
M
U2100_RX
P
RX
_V
CO
U2100_A
NT
CP
2
FA
Q2
RX
_I
M
RX
_Q
M
RX
_Q
P
V
R
E
G
_RF
R
X
_2.
85V
V
R
E
G
_RF
R
X
_2.
85V
V
R
E
G
_RF
R
X
_2.
85V
V
R
E
G
_M
S
M
P
_2.
6V
SBC
K
SBD
T
SBST
VR
EG
_
M
SM
P_
2
.6
V
SBD
T
SBC
K
SBST
TC
X
O
RX
_I
P
Summary of Contents for SGH-Z310
Page 37: ...8 PCB Diagrams 8 1 8 1 PCB Top Diagram ...
Page 38: ...PCB Diagrams 8 2 8 2 PCB Bottom Diagram ...
Page 41: ...Flow Chart of Troubleshooting 9 3 ...
Page 45: ...Flow Chart of Troubleshooting 9 7 ...
Page 67: ...Flow Chart of Troubleshooting 9 29 ...