Samsung GT-B7702 Service Manual page 63

C121
VDD_RX_TX_2.8V
CLK26M_GSM_RF
GSM_REF_ON_PMU
R201
C204
RFIC_RESET
C207
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
C122 R101
L111
A N T 1 0 0 A N T 1 0 1
M_PCS_RX_P
M_PCS_RX_N
M_DCS_RX_P
M_DCS_RX_N
M_GSM_RX_P
M_GSM_RX_N
28
GND
29
XMODE
30
XDIV
31
AFC
32
VDD2
U200
33
VDD1
34
XTAL2
35
XTAL1
36
XEN
37
GND1
NC2
C203
NC1
M_RF_EN
M_RF_DATA
M_RF_CLK
C211
9-36
Flow Chart of Troubleshooting
C136
C141
C140
TA100
VDD_RX_TX_2.8V
C200
C201
18
NC
17
RFOH M_DCS_TX
16
VDD5
15
RFOL M_GSM_TX
14
RAMPOUT
M_RAMP
13
R200
RAMPIN
12 VDD_SYN_2.8V
VDD4
C202
11
VDD3
10
VIO
C205 C206
RFIC_RESET
C209
CLK26M_REF_M
R202
M_RX_TX_IP
C210 560PF 50V
1005
R203
M_RX_TX_IN
R204
M_RX_TX_QP
560PF 50V
1005
R205
M_RX_TX_QN
POWER_DOWN_4221
M_PA_RAMP
VDD_IO_LOW_1.8V
C208