Samsung GT-B7330 Service Manual page 80

Flow Chart of Troubleshooting
RFS100
2
2
1
1
ANT101
C165
C101
C106 L105
GSM850_900
GSM1800_1900
R114
GSM_ANT_SEL0_N
R115
GSM_ANT_SEL1_N
R116
GSM_ANT_SEL2_N
R117
GSM_ANT_SEL3_N
PAM_RFOUT_G850_EGSM
R101
PAM_RFOUT_DCS_PCS
GSM_PA_EN
GSM_PA_BAND
R103
GSM_PA_RAMP+
C105
R104
C102
L106
11 12
GSM850|900TX GSM850RX
13
GSM850RX
14
GSM900RX
15
GSM900RX
9 16
GSM1800|1900TX GSM1800RX
17
GSM1800RX
18
GSM1900RX
19
GSM1900RX
3
VC1
4 20
VC2 UMTS1
5 21
VC3 UMTS2
6 22
VC4 UMTS3
RFS101
V_BAT
R100
8 9
GSM_IN GSM_OUT
1
11
DCS|PCS_IN
DCS|PCS_OUT
3
6
TX_EN NC
2 BAND_SEL 10
NC
5
VRAMP
R106 R107
R105 PAM100
C119
R108
1 51
VDDA2 GCELL_INN
2 50
TCXO GCELL_INP
3 49
VDDA1 EGSM_INN
4 48
VDDA1 EGSM_INP
5 47
VTUNE1 DCS_INN
6 46
VDDA1 DCS_INP
7 45
U100
VDDA2 GPCS_INN
8 44
VDDA2 GPCS_INP
9 43
VTUNE_GPS VDDA2
10 42
VDDA1 GPS_IN
11 41
C130
PRX_QP WDRXLB
12 40
PRX_QN WDRXHB1
13 39
PRX_IN WDRXHB2
14 38
PRX_IP WPRXSE1
15 37
DRX_QP VDDA2
16 36
DRX_QN WPRXSE2
17 35
DRX_IP
WPRXSE1_OUT
C137
L125
C162
C158
C143
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TA100
L100
L101
C100
GSM850_900
L102
GSM1800_1900
C104 L103
VREG_PA_2.1V VREG_RFRX1_2.7V
C115
C111 C113 C156
C117
C120
C121
C122
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
C131
C132
C133
C163
C159
C160
C161 C135
L119 R113
F100
C139 OUT
1
IN
OUT
G
G
C144
2 5
RTR_W900_M
RTR_W900_P
WCDMA_RXM_2100
WCDMA_RXP_2100
9-41
C116
PAM_RFOUT_W2100
PAM_RFOUT_W900
PAM_RFOUT_DCS_PCS
PAM_RFOUT_G850_EGSM
PWR_DET
VREG_PA_2.1V
C127
C134
RTR_W2100_RX
C138
WCDMA_RXM_2100
3
L120
4
C141
WCDMA_RXP_2100