Samsung SCH-i830 Service Manual page 58

Flow Chart of Troubleshooting
C1205
1
CDMA_ANT P1
2
CDMA_SW VCTL1
3
GND
4
GPS_SW VCTL2
5
GPS_RX
P2
C1209
C1215
R1202
C1212
R1203
C1206
U1201
10
P4 PCS_ANT
9
VCTL4 PCS_SW
8
PC
7
VCTL3 GSM_SW
6
P3
C1231
R1200 L1209
C1213
R1201
R1204 C1216
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C1208
C1210
C1211
VC2
4
IN
5
C1230
VC1
L1210 6
U1202
V_RFRX1
TR1200
R1205
3
1
2
C1219 C1220
7-32
RFS1200
KMS-503
L1202 C1204
L1203
C1207
L1204
L1205
OUT2
3
C1214
GND R1210
2
ANT2
OUT1
1
L1201 C1217
V_RFRX1
U1204
5 1
V_RFRX1
VCC INA
2
GND
U1203
5 1 4 3
VCC INA OUTY INB
GND 2
R1206
4 INB 3
OUTY
ANT_JOINT
ANT1
1
1
2 2
3 3
ANT_G
ANT_SEL1_N
ANT_SEL0_N