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Flow Chart of Troubleshooting
7-34
Transmitter
BLUETOOTH
Place near the RTR6250
Place near the RTR6250
C150
C104
C169
C154
C133
B7851
2
GG
5
IN
1
3
OUT
OUT
4
R139
F102
C101
R110
C161
C145
C130
R107
C129
L110
C174
C106
C123
C178
C132
11
TX2
25
VDD
L125
NC
17
18
NC
5
RX1
RX2 2
RX3 34
RX4
TRX
20
13
TX1
NC
29
NC
31
8
NC
NC
91
0
NC
14
NC
15
NC
NC7
16
12
GND
19
GND
GND
21
GND
23
24
GND
30
GND
32
GND
NC
7
U101
22
ANT
26
CTL-A
CTL-B
27
28
CTL-C
1
GND
GND
6
C115
C105
C177
C149
L116
R112
C151
R124
R119
R115
C116
C165
C119
ANT101
L111
L115
KMS-510
CN101
2
A
C
3
G
1
G
4
R130
R123
R141
R122
C166
C135
C111
R136
C172
C124
C175
R106
VREG_BT_2.8V
VDDA5
23
VDDA6
26
VDDA7
VDDA8
27
31
VDDA9
VDDM
43
8
VTUNE_REF
ANT102
VDDA13
50
VDDA14
52
VDDA15
VDDA16
54
56
VDDA17
VDDA2
5
7
VDDA3
10
VDDA4
15
UMTS2100_OUT
55
UMTS800_OUT
49
VCONTROL
VCO_TUNE
94
VDDA1
VDDA10
36
39
VDDA11
41
VDDA12
48
TCXO
19
TX_IN
18
TX_IP
TX_MOD_CP
40
17
TX_QN
TX_QP
16
42
TX_VCO_FB
53
UMTS1900_OUT
51
RX_IP
12
RX_QN
11
RX_QP
RX_VCO_IN
32
33
R_BIAS
SBCK
44
45
SBDT
46
SBST
6
GSM850_INN
22
GSM850_INP
38
GSM900_INN
GSM900_INP
37
58
NC1
NC2
59
47
RF_ON
14
RX_IN
13
DAC_REF
3
FAQ1
28
FAQ2
GND
57
34
GSM1800_INN
GSM1800_INP
35
24
GSM1900_INN
25
GSM1900_INP
21
U102
2
CP1
CP2
30
1
CP_HOLD1
29
CP_HOLD2
20
C102
C147
R133
C170
R116
2.2nH
L106
C120
C113
L119
R105
L109
15nH
C127
C136
R125
R131
R101
C184
R113
R120
C141
C118
L112
C158
4
OUT
C148
B7852
U103
G
25
G
1
IN
OUT
3
C143
C107
C110
L105
R103
C139
C112
AN1
13
2
L117
R109
C181
L120
L118
C125
C157
C128
C182
L103
R114
C155
C167
C137
C121
R128
C146
R126
L101
VBATT
2
VCC1A
6
VCC1B
16
14
GND
GND
13
12
GND
4
GSMIN
GSMOUT
11
RSVD
19
20
VAPC
17
DCS/PCSOUT
18
ENABLE
GND 5
GND
21
7
GND
GND
8
9
GND
10
GND
GND
U105
BS 1
DCS/PCSIN
3
15
R129
L108
C140
C122
L113
L126
C164
4
R138
NC 13
8
RX_BB/TX_BB
SBCK
10
11
SBDT
6
SBST
SYNC_DET/TX_EN
5
12
VDD_MSM
VDD_REG
14
XTAL_IN
U106
ANT
16
9
CLK_REF
1
GND
GND
71
5
GND
LDO1
2
3
LDO2
L114
C142
R121
R102
R104
C134
G
25
G
1
IN
OUT
3
OUT
4
R135
C153
B7837
F101
C173
C168
C176
C156
R127
C117
R134
OUT2
1
2
SW1
4
SW2
VB1
8
12
VB2
VC
10
3
G
6
G
G
71
1
G
G
9
14
G
G
13
5
OUT1
C126
U104
C114
C152
C108
C131
R108
R111
L102
2.2nH
L107
GSM_VCO_EN_N
DCS_VCO_EN_N
DAC_REF
BUFF_TCXO
BT_CLK
RF_ON_TX_ON
GSM_BAND
GSM_PA_PWR_SV
VBATT
TX_QM
TX_IP
TX_IM
VREG_RFTX_2.8V
MOD_CP
VREG_RFTX_2.8V
TXVCO
GSM_PA_PWR_CTL
VREG_SYNT_2.8V
BT_DATA
BT_SBCK
BT_SBST
BT_TX_RX_N
BT_SBDT
ANT
PCS_RXP
PCS_RXM
VREG_RFTX_2.8V
VREG_RFTX_2.8V
VREG_RFTX_2.8V
VREG_SYNT_2.8V
VREG_RFTX_2.8V
PCS_RXM
PCS_RXP
VREG_RFRX_2.8V
UMTS_ANT
GSM_ANT_SEL2_N
GSM_ANT_SEL1_N
GSM_ANT_SEL0_N
TXVCO
UMTS_TXRF
TX_AGC_ADJ
VREG_MSMP_2.6V
TCXO
VREG_RFTX_2.8V
VREG_RFTX_2.8V
DCS_RXP
GSM_RXM
GSM_RXP
FAQ2
WCDMA_RX_LO
RX_IM
RX_IP
RX_QM
RX_QP
SBCK
SBDT
SBST
MOD_CP
TX_QP
DCS_RXP
DCS_RXM
GSM_RXP
GSM_RXM
CP2
DCS_RXM