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Flow Chart of Troubleshooting
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7-21
UMTS
IDLE
IN_A
DCS RX
GSM RX
IN_C
L
L
-
CLOSED TO PIN 46
CLOSED TO PIN 38,40,42
H
-
H
H
H
H
H
H
CLOSED TO PIN 44
L
NPO TYPE
CLOSED TO PIN 18
L
H
L
L
L
L
DCS TX
H
GSM TX
H
VDD
H
-
IN_B
L
L
15P
F
C130
C146
27PF
0
R108
22NF
C123
27PF
C118
100
R11
7
C150
39P
F
R103
1K
15nH
L106
11.3K,1% R136
100NF
C13
4
ACZ1005M-121-
T
L113
R119
24
C110
33PF
C166
33P
F
1N
F
C132
100N
F
C13
1
0
R10
7
1N
F
C105
R121
68
C164
1N
F
L118
47n
H
33P
F
C109
33PF
C162
C136
100NF
R11
1
100
33PF
C160
R102
2.2K
R141
3.3K
100N
F
C152
C148
100PF
R101
0
10n
H
C102
C103
0.5PF
47nH
L102
47NF
C149
27P
F
C106
180P
F
C156
NC
R137
5.1K
R129
33PF
C107
R112
47K
R135
3.3n
H
L107
51
0
6.3V
10U
F
C165
2.2n
H
L103
C157
1.2P
F
100PF
C125
R114
330P
F
C15
5
24
C161
C144
100U
F
6.3V
100N
F
39P
F
C104
C163
100NF
10K
4.7N
F
C111
R132
C135
10PF
15
0
R120
100PF
C127
C12
4
100PF
15P
F
100PF
C151
C137
R133
10K
R124
8.2K
VDD
10
12
G
GSM-RX
5
GSM-TX
1
16
IN_A
15
IN_B
IN_C
14
UMTS
9
6
3
ANT
DCS-RX
11
DCS-TX
13
G
24
GG
78
GG
GN06001L
U100
R131
10
0
L116
NC
C116
C115
10PF
33PF
120PF
C120
33PF
C128
1N
F
C126
100PF
33PF
C141
C133
-
ANTC101
1
1
2
2
2.2n
H
100N
F
C140
L105
1NF
C121
1U
F
C12
2
12N
F
C158
3
VBATT
4
VCC
10
8
VCC2
VCC2
12
VRAMP
6
5
VRE
G
BAN
D
21
DCSI
N
GND
13
GSM850/900I
N
7
GSM850/900OUT
9
PCSOUT
11
TXEN
G
5
6
G
RF3140
U102
KMS-15
8
RFSW10
0
A
2
3
C
1
G
4
G
R110
0
R109
0
L108
12nH
NC
L11
5
12nH
L110
IN
OUT
3
4
OUT
100
R130
R118
B7820
F101
G
25
G
1
L109
3.3n
H
0
C129
100NF
10N
F
C153
C143
10NF
4.7PF
C14
5
1.2nH
L10
1
0
R11
3
R104
82
3.3K
R142
C10
1
33P
F
R126
82
L119
C113
100N
F
VDDA
31
VDDA
34
VDDA
36
VDDA
14
VDDM
ACZ1005M-121-
T
VDDA
42
VDDA
VDDA
44
46
VDDA
15
VDDA
VDDA
18
20
VDDA
23
VDDA
24
TX_MOD_CP
1
TX_QN
48
TX_QP
35
TX_VCO_IN
43
UMTS_OUT
45
VCONTROL
4
VDDA
38
VDDA
40
RX_QP
21
R_BIAS
10
SBCK
SBDT
11
12
SBST
22
TCXO
3
TX_IN
2
TX_IP
37
LOCK
53
NC
NC
54
28
PLL2_VCO_IN
13
RF_ON
8
RX_IN
7
RX_IP
RX_QN
6
5
EGSM_INN
30
EGSM_INP
19
FAQ1
26
FAQ2
49
GND
50
GND
GND
51
GND
52
9
17
CP_HOLD1
27
CP_HOLD2
47
DAC_REF
32
DCS_INN
33
DCS_INP
39
DNC
41
DNC
29
RTR6200-48BCCP
U101
16
CP1
CP2
25
220
R123
82
R12
7
33PF
C13
9
C15
4
4.7u
F
VB2
VC
8
R12
2
22
0
GG
12
NC
10
OUT
1
5
OUT
2
1
2
SW
1
SW
2
4
7
VB1
11
0
OSC101
MQW291A897MR6
3
GG
69
R106
33PF
C112
33nH
L117
C114
33PF
390PF
C11
9
C117
6.8P
F
R10
5
10
0
10
0
15nH
L104
R115
R125
220
R13
8
C159
1N
F
10
3
C138
10NF
F103
NFM18PC104R1C3D
2
1
0
R128
C147
27P
F
C108
100N
F
3.3K
R140
R116
220
B7821
F102
G
25
G
1
IN
OUT
3
4
OUT
82PF
C142
R134
1K
VREG_RFTX
ANT
TCXO
VREG_RFRX
UMTS_ANT
VDD_P
GSM_ANT_SEL2_N
GSM_ANT_SEL1_N
GSM_ANT_SEL0_N
TXVCO
GSM_BAND
VREG_RFTX
GSM_PA_PWR_SV
VBATT
VREG_RFTX
GSM_PA_PWR_CTL
DCS_RXM
GSM_RXP
GSM_RXM
VREG_RFTX
GSM_VCO_EN_N
DCS_VCO_EN_N
TX_QM
TX_IP
TX_IM
VDD_P
VREG_SYNT
VREG_BT
VREG_RFTX
DCS_RXP
TXVCO
UMTS_TXRF
VREG_RFTX
VREG_BT
VREG_RFTX
VREG_RFTX
VREG_RFTX
RX_VCO
MOD_CP
TX_AGC_ADJ
TX_QP
CP2
DAC_REF
DCS_RXM
DCS_RXP
GSM_RXM
GSM_RXP
FAQ2
SYNTH_LOCK
RF_ON_TX_ON
RX_IM
RX_IP
RX_QM
RX_QP
SBCK
SBDT
SBST
MOD_CP
Transmitter