Troubleshooting.pdf
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10. Flow Chart of Troubleshooting
10-1.Baseband
10-1-1. Power ON
'Power On' does not work
Check the current consumption
Yes
Current consumption
>= 100mA
No
Download again
Yes
Check the Vbat Voltage
Voltage >=3.3V
No
Charge the Battery
Yes
Check the pin of U300
Pin#J12 >= 2.8V
No
Check U300 and C313
Yes
Pin#A13 and
pin#A14 =2.8V
No
pin#G11 =
1.8V
No
Check U300 and C314
Yes
Yes
Checktheclocksignalatpin#21 of U100
Freq =26MHz
Vpp >=400mV
Vpp
≒
600mV
No
Check the clock generation circuit
(related to OSC101)
Yes
Checktheclocksignalatpin#5,#6 of U101
Freq =13MHz
No
Check U101
Yes
Check the initial operation
END
10-1
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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
C300
R211
Q300
L108
C103
R430
R101
C134
C135
C407
C102
C116
C114
C213
C313
R108
R111
C310
CP_WEN
U101
R107
C131
C117
C206
R106
C130
C107
C110
R102
R103
C314
L105
C308
C118
C309
ANT
FM_RADIO
DCS_TX
DCS_RX
GSM_TX
GSM_RX
SPK
EAR_MIC
EAR_SPK
MAIN_MIC
POWER_ON
SIM
CHARGING
LCD
MOT
CLK
VCCD_2.9V
VCCA_2.9V
VCCD_2.9V
VBAT
C302
C300
C301
DSP_DB(0:15)
C303
C319
VDD12
J13
VCCA_2.9V
VCCD_2.9V
VRTC_3V
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
D
SP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(1)
DSP_DB(0)
D2
DB15
UP_CLK
N9
UP_IO
P10
UP_RST R10
SIMCLK
SIMDATA
VCCB_2.9V
VRF_2.9V
VCCD_1.8V
D3
DB14
SIMRST
E3
DB13
E2
SIM_IO
J11
SIM_RST
K11
DB12
SIM_IO
SIM_RST
F3
DB11
F2
DB10
SIM_CLK
K14
SIM_CLK
F1
DB9
F4
DB8
VRTC H11
VSIM
K12
VSIM
G4
DB7
G3
DB6
LED1_DRV
G13
LED2_DRV
G12
DSP_AB(0:8)
K3
J5 DB3
DB4
J6
DB5
H5
KEY_BL1
RING_DRV
F13
VIB_DRV
F15
VIB_DRV
K1
K2 DB1
DB2
VLDO_6
A14
VLDO_7 C12
DB0
VL5S_A
D10
C9
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_A
B(0)
M1
K7
AB7
AB8
U300
C318
N2
M2
AB5
AB6
VL4S_A A12
VL4S_B
B11
L5
N1 AB3
AB4
VLDO_1
G11
VLDO_2 J12
VLDO_3
A13
VLDO_4 B12
K6
P1 AB1
AB2
AB0
VACC F14
DSP_IO
L3 I|O
DSP_IO
DSP_RWN
FLASH_RESET
L2
K8
RWN
CSN_PSC
UP_CS
R3 RESETN_CSP
SCLK_PSC L8
M7
UP_SCLK
UP_SDI
UP_SDO
C308
C309
C
3
C312
C313
C314
3
SDI_PSC
SDO_PSC
N7
E6
NC4
C5 OCTL1
OCTL2
BAND_SEL1
BAND_SEL2
FM_EN
F5
VEXT E14
E5 NC
VBAT
E13
VBAT
A4
G6 OCTL5
OCTL6
OCTL4
CH_BDRV
E11
CH_ISEN
F12
CH_RES
VRF_2.9V
VMOD_EN
B3
A3 OCTL7
D14
TX_EN
NC3
D15
OSC101
B1 SERLE1
SERLE2
NC9 E10
4
A2
VREF
A10
3
SERLE
SERDAT
SERCLK
VREF
C2
C1
SERDA
CREF
E9
SERCK
RTC_ALMN
H10
RTCALARM
C100
C101
1
2
C315
26M_OUT
RTXQN
R101
VIB_EN
AFC
RTXQP
INTRQ
INTRQ
PWR_KEEP
VCCD_2.9V
RST
C103
C102
C316
TP300
VBAT
RX1900B
PCS1900_LNA_IN_P
C104
VLDO2
RX1800B
RX1900
PCS1900_LNA_IN_N
KEY_COL(2)
VLDO1
1
3
2
DCS1800_LNA_IN_P
Q300
U100
C105
VBAT
RX1800
C317
C106
DCS1800_LNA_IN_N
KEY_ROW(4)
VDD
RX900B
GSM900_LNA_IN_P
VCC_TXVCO
R102
C107
RX900
GSM900_LNA_IN_N
DPCS_PAM_IN
GSM_PAM_IN
TXOP_HI
R103
C110
RX850B
GSM850_LNA_IN_P
TXOP_LO
RX850
GSM850_LNA_IN_N
VLDO3
GND
L101
L106
C115
C117 C114
C116
L105
SERLE
SERDAT
C118
SERCLK
RTXIN
RTXIP
VRF_2.9V
L110
U101
9
8
C130
R106
1
_SD
CP
D
6
7
CLK13M_TR
2
_RD
R107
C131
3
Q
_Q
5
CLK13M_MC
L108
C134
R108
C132
C133
26M_OUT
4
R109
R110
CLK13M_YMU
C135
R111
10-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
VDD34 C11
VL5S_B
K5
VLDO_5 B10
C
Flow Chart of Troubleshooting
10-1-2.
System Initial
Initial Failure
Yes
The pin #G11 of U300=
1.8V and
the pin #J12 of U300=
2.8V ?
No
Check the
U300
(if it has some problem, it is to be replaced.)
Yes
Is the pin #K9 of U300
"Low
→
High" ?
No
Check the
U300
(if it has some problem, it is to be replaced.)
Yes
There is 32.768kHz wave
forms at the C216 and
C217
No
Check the
UCP200
Yes
The voltage is "High" at
the C313,C314,C310
No
Check the
U300
Yes
LCD display is O.K
No
Check the LCD part
Yes
Sound is O.K
No
Check the Audio part
Yes
END
10-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
R444
R446
R427
C417
TP300
C207
TA501
U501
C300
R211
Q300
R430
C407
C313
DSP_IO
C310
C206
INTRQ
C314
C308
C208
C309
C216
C210
OSC200
C217
10-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
ANT
GSM_TX
GSM_RX
DCS_RX
DCS_TX
FM_RADIO
SPK
MAIN_MIC
EAR_SPK
EAR_MIC
POWER_ON
SIM
CHARGING
LCD
MOT
CLK
VCCD_2.9V
VCCA_2.9V
VCCD_2.9V
VBAT
C302
C300
C301
DSP_DB(0:15)
C303
C319
VDD34
C11
VDD12 J13
VCCA_2.9V
VCCD_2.9V
VRTC_3V
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(1)
DSP_DB(0)
D2
DB15
UP_CLK N9
UP_IO P10
UP_RST
R10
SIMCLK
SIMDATA
VCCB_2.9V
VRF_2.9V
VCCD_1.8V
D3
DB14
SIMRST
E3
DB13
E2
DB12
SIM_IO
J11
SIM_RST
K11
SIM_IO
SIM_RST
F3
DB11
F2
DB10
SIM_CLK
K14
SIM_CLK
F1
DB9
F4
DB8
VRTC H11
VSIM
K12
VSIM
G4
DB7
DSP_AB(0:8)
G3
DB6
LED1_DRV
G13
LED2_DRV G12
H5
DB5
J6
KEY_BL1
K3
J5 DB3
DB4
RING_DRV F13
VIB_DRV
F15
VIB_DRV
K1
K2 DB1
DB2
VLDO_6
A14
VLDO_7 C12
DB0
VL5S_A
D10
C9
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_A
B
(0)
M1
K7 AB7
AB8
K5
C318
U300
N2
M2 AB5
AB6
VL4S_A
A12
VL4S_B
B11
L5
N1 AB3
AB4
VLDO_1
G11
VLDO_2
J12
VLDO_3
A13
VLDO_4
B12
K6
P1 AB1
AB2
AB0
VACC F14
DSP_IO
L3 I|O
DSP_IO
DSP_RWN
FLASH_RESET
L2
RWN
CSN_PSC
K8
UP_CS
R3 RESETN_CSP
SCLK_PSC
L8
M7
UP_SCLK
UP_SDI
UP_SDO
C308
C309
C
3
C312
C313
C314
3
SDI_PSC
SDO_PSC N7
E6
NC4
C5
OCTL1
OCTL2
BAND_SEL1
BAND_SEL2
FM_EN
F5
VEXT
E14
A4
G6 OCTL5
OCTL6
E5 NC
OCTL4
CH_BDRV
E11
CH_ISEN
F12
CH_RES
VBAT
VMOD_EN
B3
A3 OCTL7
D14
TX_EN
NC3
D15
B1 SERLE1
SERLE2
NC9
E10
A2
SERLE
SERDAT
SERCLK
VREF A10
VREF
C2
C1 SERDA
E9
SERCK
RTC_ALMN H10
RTCALARM
C315
VIB_EN
INTRQ
PWR_KEEP
RST
C316
TP300
KEY_COL(2)
1
3
2
Q300
C317
KEY_ROW(4)
VCCD_1.8V
VCCD_2.9V
VCCD_1.8V
VCCD_2.9V
R200
VRTC_3V
VCCD_1.8V
C204
C203
C205
C206
R201
A(22)
A(23)
VREF
CLK13M_TR
TR_RST
D(0:15)
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
A(0)
A(1)
A(2)
A(3)
A6
B5
XCP_D1
VCCD_1.8V
XCP_D0
F8
XCP_D2
XCP_D3
F12
F7
TRST
F15
TR_RST
C5
XCP_D4
XCP_D5
TDI
H12
D6
G12
TMS
E7
D5
XCP_D7
C4
XCP_D8
XCP_D9
XCP_D6
TCK
H13
R202
C207
G15
C208
B4
IOBIT#1
K11
IOBIT#2
L12
CKO
AS2
B3
C1
XCP_D11
XCP_D12
XCP_D10
N4
INT#0
DSP_INT
C2
D2
XCP_D13
D3
XCP_D14
XCP_D15
R12
RWN
U5
DSP_RWN
DSP_AB(8:0)
A(0:20)
E3
AB#5
AB#6
R14
AB#7
T14
T17
DSP_AB(0)
DSP_AB(1)
DSP_AB(2)
DSP_AB(3)
DSP_AB(4)
DSP_AB(5)
DSP_AB(6)
DSP_AB(7)
DSP_AB(8)
AB#8
VCCD_2.9V
B13
XCP_A0_BEON
F11
XCP_A1
AB#3
AB#4
P11
P12
E14
XCP_A2
D15
XCP_A3
B15
N11
UCP200
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
C14
XCP_A4
XCP_A5
AB#0
AB#1
M10
R13
A16
XCP_A6
XCP_A7
U13
DSP_DB(15:0)
A15
C209
C210
C211
DSP_DB(10)
DSP_DB(11)
DSP_DB(12)
DSP_DB(13)
DSP_DB(14)
DSP_DB(15)
B17
C17
XCP_A9
XCP_A8
DB#14
DB#15
P10
R11
D16
XCP_A10
XCP_A11
DB#11
DB#12
U11
T11
G14
G13
XCP_A13
XCP_A14
XCP_A12
DB#10
N8
M8
G17
J12
XCP_A15
K12
XCP_A16
XCP_A17
DB#8
DB#9
N7
DSP_DB(2)
DSP_DB(3)
DSP_DB(4)
DSP_DB(5)
DSP_DB(6)
DSP_DB(7)
DSP_DB(8)
DSP_DB(9)
P7
R7
M6
DB#7
K14
XCP_A18
XCP_A19
DB#5
DB#6
T7
L14
DB#2
DB#3
P6
U7
L15
L16
XCP_A21
DB#4
VBAT
XCP_A20
A(21)
R6
P5
U6
DSP_DB(1)
DB#1
DSP_DB(0)
CP_CSROMEN
CP_CSRAMEN
AMP_EN
LCD_CS
EAR_CHECK
YMU_EN
A13
XCP_CSRAMEN
XCP_CSROMEN
DB#0
M15
XTIC_MODE
D12
VCCB_2.9V
XPA0/CS1N
R203
M14
XPA1/CS2N
R204
R205
M11
XPA2/CS3N
XCPTSTSTOP_CKO
M12
N14
TH200
XPA3/CS4N
XAG0
XAG1
A11
XAG2
E11
D11
XAG3
ICHRG
C13
XCP_WEN
CP_OEN
CP_WEN
P16
XPA4/OEN
MLCD_RST
UPPER_BYTE
P15
T15
XPA6/BE1N
XPA7/IRQ1
B11
XPA5/WAITN
R206
B7
M9
T5
XBSWN
X1RTC
A7
D10
INTRQ
YMU_IRQ
C212
R214 H
R207
C213
FM_INT
XPA8/IRQ2
XPA9/IRQ3
X2RTC
P2
XRTCALARM_N
E8
HALL_SW
N2
XPA10/IRQ4
XOSC32OUT
C6
OSC200
R208
C214
1
2
C215
C216
C217
3
KEY_COL(0:4)
TR_RST
KEY_COL(0)
KEY_COL(1)
RTCALARM
CLK_32K
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
CP_TDO
CP_TMS
KEY_ROW(0:4)
TR_RST
CP_TCK
DEBUG_DSR
JACK_IN
AS1
LCD_DET
SIMRST
PWR_KEEP
I2C_SCL
I2C_SDA
FLASH_RESET
DEBUG_DTR
DEBUG_RTS
CHG_OFF
LED_EN
DEBUG_TXD
DEBUG_RXD
UP_SDI
UP_SDO
UP_SCLK
UP_CS
DEBUG_CTS
CHG_DET
SDS_TXD
SDS_RXD
SIMCLK
SIMDATA
10-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
VL5S_B
VLDO_5
B10
C
VBAT
E13
CREF
INTRQ
TDO
IO7
DSP_IO
AB#2
DB#13
F14
K13
A12
CP_TDI
EAR_SWITCH
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Troubleshooting(1).pdf
(648 KB)
Reference Information(1).pdf
(55 KB)
Product Specification(1).pdf
(100 KB)
Precaution(1).pdf
(76 KB)
PCB Diagram(1).pdf
(129 KB)
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