Flow Chart Of Troubleshooting - Samsung SGH-B100 Service Manual

Flow Chart of Troubleshooting

C112
C122
C123
C101
C100
C104
R101
C134
C106
R108
R105
VCCD_2.9V
C300
DSP_DB(0:15)
DSP_DB(15) D2
DB15
DSP_DB(14)
D3 DB14
DSP_DB(13)
E3 DB13
DSP_DB(12)
E2 DB12
DSP_DB(11)
F3 DB11
DSP_DB(10)
F2 DB10
DSP_DB(9)
F1
DB9
DSP_DB(8)
F4
DB8
DSP_DB(7)
G4 DB7
DSP_DB(6)
G3
DB6
DSP_AB(0:8)
DSP_DB(5)
H5 DB5
DSP_DB(4)
J6 DB4
DSP_DB(3)
J5
DB3
DSP_DB(2)
K3 DB2
DSP_DB(1)
K2 DB1
DSP_DB(0) K1
DB0
DSP_AB(8)
K5 AB8
DSP_AB(7) K7
AB7
DSP_AB(6)
M1
AB6
DSP_AB(5)
M2 AB5
DSP_AB(4)
N2 AB4
DSP_AB(3) N1
AB3
DSP_AB(2)
L5 AB2
DSP_AB(1) P1
AB1
DSP_AB(0)
K6
AB0
DSP_IO L3 I|O
DSP_IO
L2 RWN
DSP_RWN
R3
RESETN_CSP
FLASH_RESET
E6 NC4
C5
OCTL1
F5 OCTL2
E5
NC
A4
OCTL4
G6 OCTL5
VMOD_EN
B3 OCTL6
A3
OCTL7
TX_EN
B1 SERLE1
A2
SERLE2
SERLE
C1 SERDA
SERDAT
C2 SERCK
SERCLK
C320
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L103 L102
VCCA_2.9V VCCD_2.9V
VBAT
C302 C301
C308
VDD34 C11
J13
VDD12
N9
UP_CLK
SIMCLK
R10
UP_RST SIMRST
P10
UP_IO SIMDATA
J11
SIM_IO SIM_IO
K11
SIM_RST SIM_RST
K14
SIM_CLK SIM_CLK
K12
VSIM VSIM
H11
VRTC
G12
LED2_DRV
VCCB_2.9V
G13
LED1_DRV KEY_BL1
F13
RING_DRV
F15
VIB_DRV VIB_DRV
C12
VLDO_7
A14
VLDO_6
VL5S_B C9
D10
VL5S_A
C309
B10
UCP300 VLDO_5
B11
VL4S_B
A12
VL4S_A BAND_SEL
G-CSP2100B1-YV10 B12
VLDO_4
VLDO_3 A13
J12
VLDO_2
G11
VLDO_1
F14
VACC
CSN_PSC K8
UP_CS
SCLK_PSC L8
UP_SCLK C312
N7 VBAT
SDO_PSC UP_SDO
SDI_PSC M7
UP_SDI
E14
VEXT
E13
VBAT
E11
CH_BDRV
F12
CH_ISEN
D14
CH_RES
D15
NC3
E10
NC9
A10
VREF
VREF
CREF E9
H10
RTC_ALMN RTCALARM
C319
VIB_EN
INTRQ
INTRQ
PWR_KEEP
PWR_KEEP
RST
C321
KEY_COL(2)
3
1
TR300
2
KEY_ROW(0)
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C302
C313
C308
C315
C317
C312
C301
C300
C320
R200 C210
C203 C216
C217 R205
R209 R201
TH200 R203
R207 C204
C219 C206
VRF_2.9V
L106
C133
26M_OUT
C134
VRTC_3V
VCCA_2.9V
VCCD_2.9V
VRF_2.9V VCCD_1.8V
C101
26M_OUT
AFC
C313 C314 C315 C316 C317 C318 R101
C106
C104
VCCD_2.9V
VBAT
C113
C112
C114 C115
DPCS_PAM_IN
R103
C116
GSM_PAM_IN
L104 C126 C122 C123
SERLE
SERCLK
SERDAT
RTXIN
RTXIP
10-2
R411 R409
R406 R408
C321
C316 C316
C213
C132
L105
C128
9 8
VCC
1 CP 7
_SD
R104
2 6
_RD D
R105 R106
3 5
Q
_Q
GND
C130 C131 R108
U104 4
VRF_2.9V
OSC100
3 4
C100
HOT GND2
GND1 HOT
2 1
RTXQN
RTXQP
C107
RX1900B
VLDO2
RX1900
VLDO1
RX1800B
DCS_LNA_IN_P
VBAT
RX1800 DCS_LNA_IN_N
VDD
U103
RX900B
GSM_LNA_IN_P
VCC_TXVCO
RX900
GSM_LNA_IN_N
TXOP_HI
RX850B
TXOP_LO
RX850
VLDO3
GND
C127
C418
C417
PWR_KEEP
GND
C211
C220
C215
R202
C209
C207
C129
CLK13M_TR
C132
CLK13M_MC
R109
CLK13M_MXIC