Samsung i8510 Service Manual page 107

Flow Chart of Troubleshooting
VRFRX2_2.7V
VRFRX1_2.1V
R205
R206
VRFRX2_2.7V
R211
C724
TP_VBAT
TP_UART_TX
TP_DM TP_DP
BOTHHOLE708
SC101
C206
C203
C238
C237
C270
R217
C239
C240
BOTHHOLE701
C250 C249
C255
C251
C247C248
SC113
ANT101
ANT_GND101
C201
R201
C211
1
VDDA2
2
RTR6285_TCXO TCXO
3
VDDA1
4
VDDA1
C223 5
VTUNE1
6
VDDA1
7
VDDA2
8 U201
VDDA2
9
VTUNE_GPS
C224 10
VDDA1
11
RX_Q_P PRX_QP
12
RX_Q_N PRX_QN
13
RX_I_N PRX_IN
14
RX_I_P PRX_IP
15
DRX_Q_P DRX_QP
16
DRX_Q_N DRX_QN
17
DRX_I_P DRX_IP
DRX_I_N
R212
R731
TP_VF
TP_GND
TP_UART_RX
R732
TP_VBUS TP_NC701
TP_IF_CON_SENSE
V714
SC122
C208
C104
C106
F101
C107
C112
C113
F102
C117
C118
C119 F103
C120
C225
C226
F104
C231
L102 C101
C241
CN101
C246
C243
L207
R225
C242
F201
C244
SC107
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C202
VRFRX1_2.1V
C210
RFOUT_UMTS2100
C212
RFOUT_UMTS900
RFOUT_DCS_PCS
C216
RFOUT_GCELL_EGSM
C217
PWR_DET
C222
51
GCELL_INN GSM850_RXM
50
GCELL_INP GSM850_RXP
49
EGSM_INN GSM_RXM
48
EGSM_INP GSM_RXP
47
DCS_INN DCS_RXM
46
DCS_INP DCS_RXP
45
GPCS_INN PCS_RXM
44
GPCS_INP PCS_RXP
43
VDDA2
42
GPS_IN RX_GPS
41 C225
WDRXLB
40 C226 C286
WDRXHB1
39
WDRXHB2
38 C231
WPRXSE1
37
VDDA2
36
WPRXSE2
C241 C284
35
WPRXSE1_OUT
C243 OUT
1
IN
OUT
G
G
2 5
C246
L204 R210
F201
VMSMP_2.6V
L207
C261
R224
R225
L208
C263
R409
TR401
R414
R416
C428
V715
C831
V716
R814
SC106
C139
R103 R105
F108
R111
R104 R106
L116
PAM102
U101
C141
R224
C137
L115
F107
CPL101
R108
C121 C132
C125
F106
L113
C122
C131
C129
SC102
10-52
C203
From F106
WCDMA2100_RX
C242 L203
UMTS_RXM_2100
3
4
C244 L205
UMTS_RXP_2100
To U201
WCDMA900_RX
R942
ZD904
ZD902
ZD903
R923 R922
SC810
BT_PCM_OUT TP_RS232_TX TP_RS_RX
U922
BT_PCM_IN
U921
C215
BOTHHOLE703
BT_SHUTDOWN UART_TX
C290
ZD201
C126
U926
C127
C214
C227
C128
U923
MIC500
ANT_WIFI
WLAN_PMEN