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Flow Chart of Troubleshooting
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7-35
WCDMA Part
Place near the TCXO
C211
L206
R213
C213
C201
L207
C203
C230
C246
C237
C229
C205
L202
10nH
C221
C256
R214
R201
C216
4
VDDA2
14
VDDA3
17
18
VDDA4
20
VDDA5
VDDA6
27
VDDA7
29
39
VDDA8
VDDM
23
C252
RX_IM
RX_IP
31
33
RX_QM
34
RX_QP
38
R_BIAS
25
SBCK
SBDT
26
24
SBST
TCXO
28
8
UMTS_INM
6
UMTS_INP
VDDA1
GND5
9
11
GND6
13
GND7
22
GND8
32
GND9
15
LO_INM
LO_INP
16
LO_OUT
19
45
NC1
NC2
46
30
37
DNC6
40
DNC7
1
GND1
35
GND10
41
GND11
GND12
42
43
GND13
GND14
44
GND2
3
5
GND3
GND4
7
U203
DNC1
2
DNC2
10
12
DNC3
DNC4
21
36
DNC5
C215
C209
C242
L211
C227
R216
R204
C236
R218
L210
L203
C222
GND
GND
15
2
RFIN
8
RFOUT
4
VCTL
VDD1
1
VDD2
5
10
VDD3
16
GND
6
GND
GND
7
GND
9
GND
11
12
GND
GND
13
14
U201
GND
3
C226
C254
L204
GND1
GND2
4
1
IN
2
OUT
F202
DG50LE0
3
R205
L212
C231
C234
C228
C233
C247
C210
SBCK
7
SBDT
10
8
SBST
UMTS_BIAS
3
4
UMTS_IN
UMTS_OUT
11
15
VDDA
9
VDDM
GND
13
GND
14
17
GND
GND
18
GND
19
NC
21
22
NC
R_BIAS
16
U202
DNC
2
1
GND
20
GND
5
GND
GND
6
12
GND
C224
C245
VREG_TCXO_2.8V
C250
R209
C253
R217
C239
C214
C251
C232
C244
C248
C249
C243
C223
C238
C225
C206
R207
VBATT
R219
L201
R202
C207
L205
L208
2
ANT
GND
4
RX
3
TX
1
F203
C212
C220
C235
1
IN
3
OUT
OUT
4
C255
B7728
F201
G
25
G
5
R215
ENABLE
3
G
2
4
G
G
6
8
G
1
OUT
VCC
7
VCTL
C202
OSC202
C208
R206
C218
R203
OSC201
2
GND
3
OUT
VCC
4
1
VCON
L209
C219
WCDMA_RX_LO
UMTS_TXRF
PA_ON
TCXO
CP2
VREG_SYNT_2.8V
FAQ2
UHF_VCO_EN
UMTS_RXP
UMTS_RXM
UMTS_RXP
UMTS_RXM
TRK_LO_ADJ
UMTS_ANT
RX_QM
RX_QP
VREG_RFRX_2.8V
VREG_RFRX_2.8V
VREG_RFRX_2.8V
VREG_MSMP_2.6V
SBCK
SBDT
SBST
VREG_RFRX_2.8V
VREG_MSMP_2.6V
SBDT
SBCK
SBST
TCXO
RX_IP
RX_IM