9. Flow Chart of Troubleshooting
9-1-1.
Power ON
Power On' does not work
'
Check the current consumption
>= 100
Yes
mA
Yes
>=3.3V
Yes
:1.8V
:2.9V
Yes
Current consumption
Check the Vbat Voltage
Voltage
Check the pin of UCD3
Pin#A6
Pin#D6
No
No
00
No
Check UCD300and
Download again
Charge the Battery
C338,
C339
Pin#M7
=2.9V
in#L8
P
=1.8V
Yes
Check the clock signal at pin#12of RFT100
Freq
Vrms
Vpp
Check the initial operation
≒
=26
>=300
1000
END
MHz
mV
mV
Yes
No
Yes
No
Check UCD300 and
C301,C303
C300,
Check the clock generation circuit
relatedtoOSC
(
100,
Pin9,Pin10,
)
9-1
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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
R104
VRF_2.9V
R107
0ohm
SHORT
1005
26MHZ_BT
C111
C103
RTX_I_P
RTX_I_N
RTX_Q_P
RTX_Q_N
C108
B
B
D
_
M
6
2
K
L
C
OSC100
CXC6X260000GHVRN00
C100
1005
2
3
1
4
R105
0ohm
1005
SHORT
R108
NC
1
2
3
4
5
6
7
8
9
10
C
N
A
AX
B
BX
VDD1
FSYS3
FSYS2
VDD2
XO
XOX
C112
0ohm
SHORT
5
3
PMB6271
VRF_2.9V
1005
4
2
3
3
3
3
6
C
D
D
D
N
N
N
D
G
G
V
RFT100
1
3
S
D
D
Y
N
D
S
G
V
F
1
2
1
1
B
B
D
_
M
6
2
K
L
C
R116
C128
9
8
7
0
1
2
2
2
3
3
5
2
1
F
X
X
D
E
T
T
D
R
26
V
R
VDD4
25
RX1X
24
RX1
23
RX2X
22
RX2
21
GND
20
RX3X
19
RX3
18
RX4X
17
RX4
K
A
L
N
E
D
C
3
6
5
4
1
1
1
1
T
E
K
L
D
C
B
B
B
S
S
S
VRF_1.5V
C113
GSM_PAM_IN
DPCS_PAM_IN
GSM850_LNA_IN_N
GSM850_LNA_IN_P
GSM900_LNA_IN_N
GSM900_LNA_IN_P
DCS_LNA_IN_N
DCS_LNA_IN_P
PCS_LNA_IN_N
PCS_LNA_IN_P
2
3
3
C
C105
C
_
V
2
.
1
_
D
C
C
V
VRF_1.5V
VRF_2.9V
C106
TH300
NTCCM10054BH103HC
R303
R308
HI_MONO_OUT_N
HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P
MONO_OUT_N
MONO_OUT_P
S
_
A
A
E
_
V
R
2
V
O
.
5
1
C
.
_
_
1
D
_
O
F
C
D
R
C
L
V
V
V
3
4
3
3
3
3
C
C
MONO1_IN_N
MONO1_IN_P
MONO2_IN_N
MONO2_IN_P
RADIO_L
RADIO_R
C320
C319
V
8
.
1
_
T
B
V
5
3
3
C
ICHRG
C305
C321
V
8
.
2
_
A
C
C
V
DCDC_OUT
GND_SW
PWR_KEEP
JIG_ON
PWR_ON
KEY_SLIDE_EN
RXTX_DATA
V
V
9
8
.
.
2
1
_
_
PAM_VRAMP
D
D
C
C
C
C
V
V
R304
KEY_BL
RXTX_EN
RTX_I_N
RTX_I_P
RTX_Q_N
RTX_Q_P
TXPSTB
7
3
3
C
VCCD_1.8V
VCCA_2.8V
VCCD_2.9V
C302
C301
C300
C303
C304
0
2
5
4
5
1
7
2
5
1
1
N
M
N
D
D
D
D
D
D
V
V
V
A4
ADC_AUX1
B4
ADC_AUX2
B3
ADC_AUX3
A2
ADC_AUX4
B1
ADC_AUX5
C1
ADC_AUX6
C2
ADC_AUX7
D1
ADC_AUX8
C309
D2
ADC_AUX9
1NF
M3
AOCTL0
M2
AOCTL1
L3
AOCTL2
L2
AOCTL3
R13
HI_MONO_OUT_N
R14
HI_MONO_OUT_P
R12
LO_MONO_OUT_N
P11
LO_MONO_OUT_P
G13
MONO1_IN_N
J13
MONO1_IN_P
G12
MONO2_IN_N
G11
MONO2_IN_P
N15
MONO_OUT_N
L13
MONO_OUT_P
K15
STEREO1_IN_L
K14
STEREO1_IN_R
J12
STEREO2_IN_R|MONO3_IN_P
H11
STEREO2_IN_L|MONO3_IN_N
M14
STEREO_OUT_L
M13
STEREO_OUT_R
P6
PWR_KEEP
E5
PWR_SW2
C4
PWR_SW1N
F14
MIC_B_D
J5
RAREF1
H6
RAREF2
J6
RAREF3
D7
LED1_DRV
C7
LED2_DRV
D9
LED3_DRV
N2
RXTXDATA
R2
RXTXEN
J4
RXTXIN
J3
RXTXIP
K3
RXTXQN
K4
RXTXQP
H5
TXP
L5
TXPSTB
P13
USB_CARKIT_D_N
P12
USB_CARKIT_D_P
C10
USB_CHRG
A6
VLDO_1
D6
VLDO_2
E14
VLDO_AUD
F12
VLDO_AUX1
D14
VLDO_AUX2
C15
VLDO_COREA
B15
VLDO_COREA_S
C12
VLDO_COREB
D13
VLDO_COREC
B
D
D
D
S
S
S
9
8
3
3
3
3
C
C
N
N
S
S
S
G
G
V
V
V
1
1
9
8
6
1
K
K
K
K
N
4
8
1
1
1
1
1
L
P
K
K
L
P
N
D
C
L
V
D
R
B
C
A
O
O
I
I
T
1
D
D
K
D
B
_
_
C
1
D
D
P
D
D
D
D
D
D
O
V
S
V
V
D
D
V
D
A
D
V
V
_
V
D
D
V
D
V
VRFLDO_1
VRFLDO_2
CNTL_DAT_CSP
CNTL_EN_CSP
PSW1_BUF
UCD300
G-AX115E-161FG-DT
S
S
S
S
S
S
Q
S
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
0
1
0
6
9
8
7
6
4
1
1
1
F
F
F
F
F
G
F
F
E
S
S
S
S
S
S
S
S
S
S
S
S
D
D
D
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
G
G
G
0
0
9
8
7
9
8
7
9
8
7
1
1
J
J
J
H
G
H
H
G
G
H
G
RING_DRV
VIB_RNG_EN
SYSCLKEN
VAMICREF
VAMICRTN
VAREFRTN
VAVCMLSH
VAVCMRTN
SCLK_PSC
L
T
R
R
R
C
U
U
C
C
C
K
C
C
O
S
S
S
P
H
H
P
P
P
A
S
_
_
_
_
_
V
S
_
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
5
0
1
4
5
0
1
3
7
1
1
1
1
1
1
E
A
M
J
F
A
C
N
M
9-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
AX115
Flow Chart of Troubleshooting
9-1-2.
Initial
Initial Failure
Yes
The pin#A6 of UCD3
1.8V
the pin#D6 ofUCD3
2.9V ?
Is the pin#P5 of UCD300
Low→High"
"
00 =
and
00 =
Yes
?
Yes
No
No
if it has some problem, it is to be replaced.)
(
if it has some problem, it is to be replaced.)
(
Check the UCD300
Check the UCD300
There is
forms at the
The voltage is"High" at the
C300,
LCD display is O.K
Sound is O.K
kHz wave
32.768
and
C323
Yes
C301,C302,C303
Yes
Yes
Yes
END
C324
No
No
No
No
Check the UCD300
Check the UCD300
Check the LCD part
Check the Audio part
9-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
VCCD_2.9V
VCCA_2.8V
VCCD_1.8V
2
3
3
C
C
_
V
2
.
1
_
D
C
C
V
VRF_2.9V
V
5
.
1
_
F
R
V
3
3
3
C
TH300
R303
HI_MONO_OUT_N
HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P
MONO1_IN_N
MONO1_IN_P
MONO2_IN_N
MONO2_IN_P
MONO_OUT_N
MONO_OUT_P
RADIO_L
RADIO_R
C319
S
_
A
A
E
_
V
R
2
V
O
.
8
1
C
.
_
_
1
D
_
O
T
C
D
B
C
L
V
V
V
5
4
3
3
3
3
C
C
C302
4
P
O
O
I
I
_
_
D
D
D
D
V
V
UCD300
G-AX115E-161FG-DT
S
S
S
S
S
D
D
D
D
D
N
N
N
N
N
G
G
G
G
G
0
9
8
7
6
1
G
G
G
G
G
C303
B6
SIM_CLK
E6
SIM_IO
B5
SIM_RST
N5
UP_CLK
L6
UP_IO
M6
UP_RST
E3
VRFLDO_1
F3
VRFLDO_2
F2
VREF
P1
CNTL_DAT_CSP
N9
CNTL_EN_CSP
D10
HV_CHRG
G5
AFC
N7
AINT
B11
BATKELV
F1
CREF
L9
DINT
B12
FBSW
B13
LX
D3
L301
NC
L10
PSW1_BUF
R3
TP_RTC
RTC_CLK
P3
SCUSTB
C9
VACC
A12
VEXT
F5
VRTC
C5
VSIM
N4
SCAN
K7
SCANTST
E8
RING_DRV
E9
VIB_DRV
L7
VIB_RNG_EN
N6
SYSCLK
R6
SYSCLKEN
VAREFRTN
VAVCMLSH
VAVCMRTN
L
T
R
R
C
R
U
U
C
C
K
O
C
C
S
S
P
A
H
H
P
S
S
S
S
S
S
S
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
0
9
8
7
9
8
7
1
J
J
J
H
H
H
H
P
_
S
_
_
V
_
_
S
S
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
5
0
1
4
0
1
J
5
1
7
3
1
1
1
1
1
E
A
M
F
A
C
N
M
RESETN
RESET_O
VAMICREF
VAMICRTN
CSN_PSC
SCLK_PSC
SDI_PSC
SDO_PSC
VBATAUD
VBATAUX
VBATRF
VBATSW
C
S
P
_
D
N
G
X1RTC
X2RTC
VAREF
VAVCM
VBAT12
3
1
A
VBAT
NC
NC
W
S
_
D
N
G
R4
P5
G4
G3
K13
K10
K12
J11
L14
F13
K11
M10
P10
R10
M9
B10
C6
E13
E11
E2
A14
1
2
R317 0ohm
SHORT
SIM1_CLK
SIM1_DATA
SIM1_RST
CNTL_DAT_CSP
CNTL_EN_CSP
AINT
DINT
MOTOR_EN
VIB_RNG_EN
CLK26M_ABB
FLASH_RST
RST
VAMICREF
C322
C325
UP_CS
UP_SCLK
UP_SDI
UP_SDO
C330
GND_SW
SIM_CLK
SIM_RST
1005
SIM_IO
VSYN_2.8V
VBAT
PSW1_BUF
RTC_CLK
SCUSTB
CLK_EN_ABB
C323
C310
C315
VSIM_2.9V
C326
VRF_2.9V
OSC300
C314
C311
VBAT
C312
C313
DCDC_OUT
GND_SW
R314
C316
C327
NEG
VBAT
POS
1
2
BAT300
C324
C328
C329
C300
DCDC_OUT
GND_SW
R304
ICHRG
C305
PWR_KEEP
JIG_ON
PWR_ON
KEY_BL
KEY_SLIDE_EN
C320
C321
RXTX_DATA
RXTX_EN
RTX_I_N
RTX_I_P
RTX_Q_N
V
V
V
RTX_Q_P
8
9
8
.
.
.
1
2
2
_
_
_
PAM_VRAMP
D
D
A
TXPSTB
C
C
C
C
C
C
V
V
V
7
3
3
C
C304
A4
ADC_AUX1
B4
ADC_AUX2
B3
ADC_AUX3
A2
ADC_AUX4
B1
ADC_AUX5
C1
ADC_AUX6
C2
ADC_AUX7
D1
ADC_AUX8
C309
D2
ADC_AUX9
M3
AOCTL0
M2
AOCTL1
L3
AOCTL2
L2
AOCTL3
R13
HI_MONO_OUT_N
R14
HI_MONO_OUT_P
R12
LO_MONO_OUT_N
P11
LO_MONO_OUT_P
G13
MONO1_IN_N
J13
MONO1_IN_P
G12
MONO2_IN_N
G11
MONO2_IN_P
N15
MONO_OUT_N
L13
MONO_OUT_P
K15
STEREO1_IN_L
K14
STEREO1_IN_R
J12
STEREO2_IN_R|MONO3_IN_P
H11
STEREO2_IN_L|MONO3_IN_N
M14
STEREO_OUT_L
M13
STEREO_OUT_R
P6
PWR_KEEP
E5
PWR_SW2
C4
PWR_SW1N
F14
MIC_B_D
J5
RAREF1
H6
RAREF2
J6
RAREF3
D7
LED1_DRV
C7
LED2_DRV
D9
LED3_DRV
N2
RXTXDATA
R2
RXTXEN
J4
RXTXIN
J3
RXTXIP
K3
RXTXQN
K4
RXTXQP
H5
TXP
L5
TXPSTB
P13
USB_CARKIT_D_N
P12
USB_CARKIT_D_P
C10
USB_CHRG
A6
VLDO_1
D6
VLDO_2
E14
VLDO_AUD
F12
VLDO_AUX1
D14
VLDO_AUX2
C15
VLDO_COREA
B15
VLDO_COREA_S
C12
VLDO_COREB
D13
VLDO_COREC
9
8
3
3
3
3
C
C
6
K
C301
2
5
4
0
1
5
7
1
2
5
1
N
M
N
D
D
D
D
D
D
V
V
V
B
D
D
D
S
S
S
N
N
S
S
S
V
G
G
V
V
1
1
8
9
1
K
K
K
N
8
1
1
1
1
1
L
K
K
L
P
D
C
N
L
V
R
B
C
A
D
T
1
D
K
D
B
D
C
1
D
D
P
D
D
O
D
D
V
S
V
V
V
A
D
D
_
V
D
D
V
D
V
Q
S
S
S
S
S
S
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
0
1
0
4
7
6
9
8
1
1
1
F
F
F
F
F
F
F
E
GND_SW
AX115
9-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-1-3.
Sim Part
Insert SIM is displayed on the LCD
"
Yes
Check the SIM connector's
SIM
(
Check the voltage at pin#1
pin#2,#3,#4 of SIM
connection to
600)
SIM card
Yes
of SIM
600 >= 2.8V ?
Yes
Is there any signals
600 ?
No
No
No
Resolder or change SIM
Check the UCD300
Check the UCD3
600
00
Yes
Check the SIM Card
END
9-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
R615
NC
VSIM_2.9V
SIM_RST
SIM_CLK
VCCA_2.8V
VCCD_2.9V
C301
C300
VRF_2.9V
TH300
R303
HI_MONO_OUT_N
HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P
MONO1_IN_N
MONO1_IN_P
MONO2_IN_N
MONO2_IN_P
MONO_OUT_N
MONO_OUT_P
C319
S
_
A
A
C
E
_
_
V
V
R
2
2
V
V
O
.
.
5
1
_
D
C
C
V
2
3
3
C
8
1
C
.
.
_
_
1
1
D
_
_
O
F
T
C
D
R
B
C
L
V
V
V
V
3
4
3
3
3
3
C
C
RADIO_L
RADIO_R
C320
5
3
3
C
C305
V
8
.
2
_
A
C
C
V
ICHRG
C321
V
9
.
2
_
D
C
C
V
GND_SW
R304
PWR_KEEP
JIG_ON
PWR_ON
KEY_SLIDE_EN
RXTX_DATA
RXTX_EN
RTX_Q_N
V
RTX_Q_P
8
.
1
_
PAM_VRAMP
D
C
C
V
7
3
3
C
DCDC_OUT
KEY_BL
RTX_I_N
RTX_I_P
TXPSTB
C304
4
0
5
2
5
1
7
1
2
5
1
1
1
1
1
1
N
K
M
A4
ADC_AUX1
B4
ADC_AUX2
B3
ADC_AUX3
A2
ADC_AUX4
B1
ADC_AUX5
C1
ADC_AUX6
C2
ADC_AUX7
D1
ADC_AUX8
C309
D2
ADC_AUX9
M3
AOCTL0
M2
AOCTL1
L3
AOCTL2
L2
AOCTL3
R13
HI_MONO_OUT_N
R14
HI_MONO_OUT_P
R12
LO_MONO_OUT_N
P11
LO_MONO_OUT_P
G13
MONO1_IN_N
J13
MONO1_IN_P
G12
MONO2_IN_N
G11
MONO2_IN_P
N15
MONO_OUT_N
L13
MONO_OUT_P
K15
STEREO1_IN_L
K14
STEREO1_IN_R
J12
STEREO2_IN_R|MONO3_IN_P
H11
STEREO2_IN_L|MONO3_IN_N
M14
STEREO_OUT_L
M13
STEREO_OUT_R
P6
PWR_KEEP
E5
PWR_SW2
C4
PWR_SW1N
F14
MIC_B_D
J5
RAREF1
H6
RAREF2
J6
RAREF3
D7
LED1_DRV
C7
LED2_DRV
D9
LED3_DRV
N2
RXTXDATA
R2
RXTXEN
J4
RXTXIN
J3
RXTXIP
K3
RXTXQN
K4
RXTXQP
H5
TXP
L5
TXPSTB
P13
USB_CARKIT_D_N
P12
USB_CARKIT_D_P
C10
USB_CHRG
A6
VLDO_1
D6
VLDO_2
E14
VLDO_AUD
F12
VLDO_AUX1
D14
VLDO_AUX2
C15
VLDO_COREA
B15
VLDO_COREA_S
C12
VLDO_COREB
D13
VLDO_COREC
S
8
3
3
C
S
9
S
S
3
V
V
3
C
6
9
8
K
K
K
K
P
L
C
N
D
N
V
R
D
D
B
C
A
D
D
1
D
K
D
D
D
B
D
D
1
D
P
V
V
D
V
D
D
D
D
S
V
V
V
V
D
D
V
D
V
B
S
S
Q
S
S
S
D
D
D
D
D
D
D
D
D
S
N
N
N
N
N
N
N
N
S
G
V
G
G
G
G
G
G
G
1
0
0
1
8
6
7
9
4
1
1
1
F
F
F
F
F
K
F
E
N
VCCD_1.8V
C302
4
8
L
P
L
O
O
I
I
T
_
_
C
D
D
O
D
D
A
V
V
_
D
D
V
G-AX115E-161FG-DT
S
S
S
S
D
D
D
D
N
N
N
N
G
G
G
G
1
7
6
1
G
G
F
8
G
UCD300
S
D
N
G
9
G
R616
C615
C614
NC
C620
ZD610
NC
ZD611
NC
NC
C303
B6
SIM_CLK
E6
SIM_IO
B5
SIM_RST
N5
UP_CLK
L6
UP_IO
M6
UP_RST
E3
VRFLDO_1
F3
VRFLDO_2
F2
VREF
P1
CNTL_DAT_CSP
N9
CNTL_EN_CSP
D10
HV_CHRG
G5
AFC
N7
AINT
B11
BATKELV
F1
CREF
L9
DINT
B12
FBSW
B13
LX
D3
NC
L10
PSW1_BUF
R3
RTC_CLK
P3
SCUSTB
C9
VACC
A12
VEXT
F5
VRTC
C5
VSIM
N4
SCAN
K7
SCANTST
E8
RING_DRV
E9
VIB_DRV
L7
VIB_RNG_EN
N6
SYSCLK
R6
SYSCLKEN
R4
RESETN
P5
RESET_O
G4
X1RTC
G3
X2RTC
K13
VAMICREF
K10
VAMICRTN
K12
VAREF
J11
VAREFRTN
L14
VAVCM
F13
VAVCMLSH
K11
VAVCMRTN
M10
CSN_PSC
P10
SCLK_PSC
R10
SDI_PSC
M9
SDO_PSC
B10
VBAT
C6
VBAT12
E13
VBATAUD
E11
VBATAUX
E2
VBATRF
A14
VBATSW
1
NC
2
NC
L
T
R
R
C
R
U
U
C
C
C
K
C
C
O
S
S
S
W
P
P
P
P
S
H
H
A
S
V
S
S
S
S
S
S
S
S
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
0
0
8
7
9
7
9
8
1
1
J
J
J
H
H
H
H
G
_
_
_
_
_
_
_
S
S
D
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
G
5
1
3
0
4
5
0
1
3
7
1
1
1
1
1
1
1
A
E
M
F
J
C
A
A
N
M
SIM1_CLK
SIM1_DATA
SIM1_RST
CNTL_DAT_CSP
CNTL_EN_CSP
AINT
DINT
L301
TP_RTC
MOTOR_EN
VIB_RNG_EN
CLK26M_ABB
R317 0ohm
SHORT
FLASH_RST
RST
VAMICREF
C322
C325
UP_CS
UP_SCLK
UP_SDI
UP_SDO
C330
GND_SW
SIM_CLK
SIM_RST
1005
SIM_IO
VSYN_2.8V
VBAT
PSW1_BUF
RTC_CLK
SCUSTB
CLK_EN_ABB
C323
C310
C315
C326
VRF_2.9V
C314
VSIM_2.9V
OSC300
C616
NC
C311
VBAT
C312
C313
R314
C316
C327
C617
DCDC_OUT
GND_SW
POS
NEG
VBAT
C328
C324
1
2
1
2
3
7
8
9
BAT300
C329
SIM600
5000-6P-1.9S
6
1
6
5
2
5
4
34
12
12
7
11
11
8
10
10
9
G
G
1314GG1516
C618
ZD617
NC
SIM_IO
GND_SW
AX115
9-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-1-4.
Microphone Part
Microphone does not work
Is the assembled status of
microphone O.K?
Check the reference voltage on mic path
VAMICREF
between MIC+&MIC-
Yes
Yes
Yes
On booting,
≒
Yes
On booting,
Yes
END
2.5V ?
≒
1.9V?
No
No
No
Reassembled the microphone
Check UCD300
Resolder or change
C400, L406, C410, L407, R405, C409
C406, R413, ZD400, ZD401
9-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization