Samsung GT-B7330 Service Manual page 100

Flow Chart of Troubleshooting
RFS100
C102
C101
C106 L105 L106
11
GSM850|900TX
9
GSM1800|1900TX
3
VC1
4
VC2
5
VC3
6
VC4
RFS101
R108
1
VDDA2
2
TCXO
3
VDDA1
4
VDDA1
5
VTUNE1
6
VDDA1
7
VDDA2
8
VDDA2
9
VTUNE_GPS
10
VDDA1
11
PRX_QP
12
PRX_QN
13
PRX_IN
14
PRX_IP
15
DRX_QP
16
DRX_QN
17
DRX_IP
F202
C224
1 IN
4
PAM_RFOUT_W2100
OUT
G G G
2 3 5
VREG_SYNTH_2.7V
C103
L107
12
GSM850RX
13
GSM850RX
L108
14
GSM900RX
15
GSM900RX
L109
16
GSM1800RX
17
GSM1800RX
18
GSM1900RX
L111
19
GSM1900RX
L112
20
UMTS1
21
UMTS2
L113
22
UMTS3
L123
C157
L124
C108
L117
C109
C119
C120
51
GCELL_INN
50
GCELL_INP
49
EGSM_INN
48
EGSM_INP
47
DCS_INN
46
DCS_INP
45
U100
GPCS_INN
44
GPCS_INP
43
VDDA2
42
GPS_IN
41
C130
WDRXLB
40 C131
WDRXHB1
39
WDRXHB2
38
WPRXSE1
37
VDDA2
36
WPRXSE2
35
WPRXSE1_OUT
C161 C135
C212 C213
PAM202
1 10
VCC1 VCC2
2 9
RF_IN RF_OUT
3 8
VMODE_1 GND
L214
4 7
PA_R1
VMODE_0 GND
5 6
PA_ON_W2100 VEN CPL
C228 C229
WCDMA2100 PAM
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RX_GSM850_N
L110
RX_GSM850_P
RX_EGSM900_N
L114
RX_EGSM900_P
RX_DCS1800_N
L116
RX_DCS1800_P
RX_PCS1900_N
L118
RX_PCS1900_P
TXR_WCDMA2100
TXR_WCDMA900
VREG_PA_2.1V VREG_RFRX1_2.7V
C115
C111 C113 C156
C117
PAM_RFOUT_W2100
PAM_RFOUT_W900
PAM_RFOUT_DCS_PCS
C121
PAM_RFOUT_G850_EGSM
C122
PWR_DET
RX_GSM850_N
RX_GSM850_P
RX_EGSM900_N
RX_EGSM900_P
RX_DCS1800_N
RX_DCS1800_P
RX_PCS1900_N
RX_PCS1900_P
RX_GPS
C132
C133
C163
C159
C160
L119 R113
TA201
DUF202
L212
C247 C226
R204
9-61
C116
RTR_W2100_RX
L223
TXR_WCDMA2100
L210
C248
6
ANT
C225
1 RX 3
TX RTR_W2100_RX
L213