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Flow Chart of Troubleshooting
9-34
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C255
TA200
V_BAT
C268
RFS200
A
2
3
C
G
1
4
G
L213
L206
R217
R211
C291
R210
G
1
IN
OUT
3
4
OUT
F205
G
25
C262
L220
C265
L210
C273
F206
2
GG
5
IN
1
3
OUT
OUT 4
R212
1
TP
ANT101
G
2
G
3
G
5
1
IN
4
OUT
F201
C263
L219
L203
C275
R209
L208
R205
C272
R214
C264
C250
L212
L214
R220
L201
R221
C266
C236
R216
C289
R215
RX1
7
ANT
8
9
G
N
D
26
VBATT
27
BS2
28
BS1
GND
29
RSVD
3
RX4
4
5
RX3
6
RX2
G
N
D
19
MODE
2
20
G
N
D
DCS|PCS_IN
21
22
G
N
D
GSM_IN
23
24
G
N
D
VAPC
25
G
N
D
11
12
G
N
D
13
G
N
D
14
G
N
D
15
G
N
D
G
N
D
16
G
N
D
17
G
N
D
18
U202
1
_TXEN
WCDMA1
10
L221
C276
ANT102
TP
R218
C274
OUT 4
F202
2
GG
5
IN
1
3
OUT
R201
R213
JTAG_ANT
DCS_RXM
DCS_RXP
GSM_RXM
GSM_RXP
PCS_RXM
PCS_RXP
UMTS_TRX
GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_PA_PWR_CTL
GSM_ANT_SEL2_N
DCS1800_PCS1900_TX
GSM_TX
C300
ANT
1
4
GND
2
RX
3
TX
DUF300
C322
3
OUT
F300
2
GND1
GND2
4
1 IN
R302
4
3 VMODE2
7
6
GND
11
GND
RFIN
2
RFOUT 8
VBATT
1
VCC 10
VENA
5
VMODE1
U303
9
GND
GND
TA300
C306
V_BAT
C332
C307
C312
C301
C310
R304
50OHM
34
COUP
IN 1
OUT
2
F301
R307
C303
C333
R300
L310
C309
R303
R306
L312
L302
R301
L303
C339
R313
R317
C304
C305
L304
UMTS_TX_2100
PA_R0
PA_R1
PA_ON_U2100
UMTS_TRX
PWR_DET
UMTS_RX_2100