Samsung SGH-i560V Service Manual page 78

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