Samsung B7702 Troubleshooting
Flow Chart of Troubleshooting
9.
Power ON
9-1
Power On'does not work
'
Yes
Check the Battery Voltage
is more than
TP308(VINT
Check the Clock at
OSC501
C518(VDD_IO_LOW_1.8V)
C512(VDD_IO_HIGH_2.9V)
"
=32
H"?
3.4V
Yes
) = 2.55
Yes
KHZ
Yes
Yes
V?
No
No
No
&
=
No
Change the Battery
Check the PMU related to VINT
Resolder OSC
Check the related circuit
501
L501(VDD_GSM_CORE_1.2V)
V?
=1.2
Yes
Check for the clock at
TCX200
Check the initial operation
=26
END
MHz
Yes
Yes
No
No
Check the VDD_GSM_CORE_1.2V
Check the clock generation circuit
9-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
circuit
related to TCX200
(
)
VDD_LCR_LOW_1.8V
VDD_IO_LOW_1.8V
AVDD_HFA_2.6V
VDD_SLEEP_2.9V
VDD_LCR_HIGH_3.3V
AVDD_2.6V
VDD_IO_HIGH_2.9V
VDD_BT_1.8V
C526
C528
VDD_IO_LOW_1.8V
GSM_REF_ON_PMU
R528
KEY_POWER_ON
VDD_GSM_CORE_1.2V
VDD_MEM_CORE_1.8V
C511
PMU_INT_M
RSTON
OSC500
Flow Chart of Troubleshooting
VDD_IO_3.3V
0
0
C500
5
L
D4VDD_1.2V
V
3
.
3
_
2
.
4
_
VBATT_4.2_3.3V
T
T
A
B
V
3
2
0
0
5
5
C
C514
C515
C512
C513
SCL1
SDA1
SIM_OFF
C516
C517
TP500
AUX_ON
R505
NC
R506
VDD_TX_2.6V
TP501
R502
TP502
TP503
G2_REF_ON
VHIGH
R504
DVM1
DVM2
VDD_IO_HIGH_2.9V
32KHZ_DIGIT
C
8
5
7
9
3
3
3
2
A
A
A
B
N
D
D
I
D
D
V
V
V
2
1
2
D
D
D
1
D
B22
SCL
A28
SDA
B14
USIMACT
B15
USIMPRES
B5
INT_N
A16
RSTHC_N
B4
RSTMEM_N
B9
PWREN1
B8
PWREN2
B7
PWREN3
A8
PWREN4
B6
PWREN5
B16
SHUTDOWN
D5
REC1_N
A56
REC2_N
A20
ONKEY_N
B10
GPIO1
A11
GPIO2
B11
GPIO3
A12
GPIO4
A14
GPIO5
B12
GPIO6
D6
GPIO56GND
D8
GPO1
A43
GPO2
B25
NC
B35
NC
D4
GPO1VIN
B34
GPO2VIN
B36
NC
B40
NC
B13
CLK32K
A52
OSCI
B41
OSCO
N
I
X
V
L
1
1
D
D
C
C
D
D
0
7
9
1
A
A
A
3
4
7
7
6
3
1
5
4
3
2
2
2
1
1
2
A
A
B
A
A
A
A
B
N
N
D
D
D
D
C
C
C
I
I
D
D
D
D
N
N
N
V
V
V
V
V
V
6
4
4
3
5
6
D
D
D
D
D
D
3
5
D
D
U502
N
I
B
X
B
V
F
L
F
2
1
2
2
D
D
D
D
D
N
C
C
C
C
C
C
N
G
D
D
D
N
D
5
9
6
6
5
3
4
1
4
A
A
B
A
A
A
2
3
1
1
7
6
9
2
3
2
1
A
A
B
B
D
N
N
I
I
D
V
V
V
C
O
I
C
H
H
D
N
C
C
G
N
N
2
0
1
7
2
5
5
1
A
A
A
B
0
9
6
8
2
3
0
3
2
4
4
4
3
3
3
3
2
3
3
3
A
B
A
A
A
B
B
A
A
B
B
B
B
D
N
N
D
D
D
D
N
D
D
N
C
I
I
D
D
C
V
V
V
V
V
B
M
I
B
O
S
I
S
S
U
U
U
D
N
C
C
C
C
N
G
N
N
N
3
8
0
2
1
2
1
B
B
B
D
N
I
I
I
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
2
4
C
2
1
4
3
S
F
F
C
L
F
F
F
F
A
L
R
R
I
R
R
R
R
1
3
B
F
C
I
R
M
C
N
4
2
B
B38
F
REFC
R
A48
REFGND
B39
VINT
A49
VHIGH
B42
NC
D2
NC
D3
NC
D7
NC
A1
VBAT
A2
VBAT
A47
VSAVE
A17
NC
B1
VBATSENSE
A54
VCHG
A55
VCHG
A53
VBUS
D1
SCUSB
A18
NC
B44
CCSET
A30
VINT
A21
NC
A24
NC
B43
VINT
A25
NC
A29
NC
A31
NC
A32
NC
A44
NC
2
NC
3
NC
C504
C518
C519
C508C505
C507
C509
C506
C510
VBATT_4.2_3.3V
VINT
VHIGH
C520
C521
R503
0603
C522
USB_SUSPEND
USB_VBUS_5V
VINT
SHORT
BAT500
C525
VINT
CCSET
C527
R508
R507
L501
L502
VBATT_4.2_3.3V
TA500
C530
C529
USB_LDO_5V
VDD_USB_3.3V
SIMVCC_M_3.0V
VDD_SYN_2.8V
VDD_RX_TX_2.8V
VDD_RX_2.8V
VDD_TX_2.6V
VDD_PLL_1.2V
C524
9-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-2.
Initial
Initial Failure
Yes
CP501 pin F13(RSTON)="H"?
U
Yes
CP501 pin T9
U
RSTEXT)="H"?
(
OK?
Yes
Check the16bit data signal
memory CE
&
No
Check the circuit related to reset
No
changeUCP501
END
Yes
9-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
USB_SEL
DOWNLOAD_SEL
DPRAM_CS_M
VDD_IO_HIGH_2.9V
1
0
4
R
VDD_IO_LOW_1.8V
R407
1
2
3
2
0
4
R
For T3G power saving software,
VDD_IO_HIGH_2.9V
U400
INA
VCC
GND
INB OUTY
MASTER_INT
SIM_SEL
VDD_SLEEP_2.9V
C411
FMP_ADDR(1:13)
R476 0ohm -> NC
R408
5
4
VDD_IO_HIGH_2.9V
R400
R403
FMP_DATA(0:15)
R409
TNI_FBUSRCLTNI_FBUS_
R410
VR400
FMP_ADDR(2)
FMP_ADDR(3)
FMP_ADDR(4)
FMP_ADDR(5)
FMP_ADDR(6)
FMP_ADDR(7)
FMP_ADDR(8)
FMP_ADDR(9)
FMP_ADDR(10)
FMP_ADDR(11)
FMP_ADDR(12)
FMP_ADDR(13)
FMP_ADDR(1)
FMP_ADVn
MV_CS_N
FMP_WEn
FMP_OEn_RWn
BE1n_M
HOST_WAKE
PMU_INT_M
MV_INT
SIM_OFF
G2_CSn
HMP_SDA(13)
BT_WAKE
FMP_CLKBURST
JACK_IN
SPI_SCS
SLAVE_INT
LCRSUBF_INT
DPRAM_INT_M
RXD1_M
MOT_PWM
FESW1
FESW2
FESW3
USB_VBUS
SPI_SCLK1
SPI_SDATIO1
MTEK_SD_EN
LED_EN
SPI_SDATIN1
BT_RST
SD_DETECT
EARSPK_CTL
HMP_SDDQ(0:15)
HMP_SDA(0:12)
MES_BATT
SLAVEON
FM_BUS_EN
BT_PATH_SEL
FMP_ADDR(0)
DVM2
DVM1
RXD2
CTS2
RTS2
TXD2
HMP_SDLDQM
HMP_SDUDQM
VF
MOT_EN
SD_EN
FMP_DATA(0)
FMP_DATA(1)
FMP_DATA(2)
FMP_DATA(3)
FMP_DATA(4)
FMP_DATA(5)
FMP_DATA(6)
FMP_DATA(7)
FMP_DATA(8)
FMP_DATA(9)
FMP_DATA(10)
FMP_DATA(11)
FMP_DATA(12)
FMP_DATA(13)
FMP_DATA(14)
FMP_DATA(15)
FM_RST
HMP_SDCLKI
HMP_SDCLKO
HMP_SDCKE
HMP_SDBA0
HMP_SDBA1
HMP_SDCASn
HMP_SDRASn
HMP_SDCSn
HMP_SDWEn
R406
TP_FMP_DATA(400
TP_FMP_ADDR(400
TP408
TP409
TP410
TP_FMP_WEn
TP_FMP_OEn_RWn
TP_BE400
HMP_SDDQ(0)
HMP_SDDQ(1)
HMP_SDDQ(2)
HMP_SDDQ(3)
HMP_SDDQ(4)
HMP_SDDQ(5)
HMP_SDDQ(6)
HMP_SDDQ(7)
HMP_SDDQ(8)
HMP_SDDQ(9)
HMP_SDDQ(10)
HMP_SDDQ(11)
HMP_SDDQ(12)
HMP_SDDQ(13)
HMP_SDDQ(14)
HMP_SDDQ(15)
HMP_SDA(0)
HMP_SDA(1)
HMP_SDA(2)
HMP_SDA(3)
HMP_SDA(4)
HMP_SDA(5)
HMP_SDA(6)
HMP_SDA(7)
HMP_SDA(8)
HMP_SDA(9)
HMP_SDA(10)
HMP_SDA(11)
HMP_SDA(12)
Flow Chart of Troubleshooting
VDD_IO_HIGH_2.9V
VDD_GSM_CORE_1.2V_A
AVDD_2.6V
VDD_USB_3.3V
VDD_PLL_1.2V
C410
A9
ADC1
A8
ADC2
B8
ADC3
C8
ADC4
A7
ADC5
A2
CAMCLK1
B5
CAMCLKO
A5
CAMDATA0
A4
CAMDATA1
B4
CAMDATA2
A3
CAMDATA3
C4
CAMDATA4
B3
CAMDATA5
C3
CAMDATA6
B2
CAMDATA7
C7
CAMHS
B6
CAMVS
J21
FMP0
K15
FMP1
H22
FMP2
H21
FMP3
G22
FMP4
J17
FMP5
G20
FMP6
H20
FMP7
G21
FMP8
J16
FMP9
F22
FMP10
F21
FMP11
H17
FMP12
J15
FMP13
D22
FMP14
G17
FMP15
H15
FMP16
C21
FMP17
H12
FMP18
C20
FMP19
B20
FMP20
B21
FMP21
H13
FMP22
G16
FMP23
F17
FMP24
B19
FMP25
B18
FMP26
C18
FMP27
C17
FMP28
B17
FMP29
A17
FMP30
B16
FMP31
D21
FMP32
H16
FMP33
A16
FMP34
C15
FMP35
A19
FMP36
F16
FMP37
B15
FMP38
A15
FMP39
F15
FMP43
D20
FMP45
K16
FMP46
E21
FMP47
C22
FMP48
B13
FMP49
B12
FMP50
C14
FMP51
L15
GPIOA0
N7
GPIOA1
U2
GPIOA2
N8
GPIOA3
A14
GPIOA4
U3
GPIOA5
E20
GPIOA6
J20
GPIOA7
G15
GPIOA8
B22
GPIOA9
P6
GPIOA10
U1
GPIOA11
D1
GPIOA12
G10
GPIOA13
D2
GPIOA14
B1
GPIOA15
E2
GPIOA16
G9
GPIOA17
G2
GPIOA18
H6
GPIOA19
G7
GPIOA20
E1
GPIOA21
F2
GPIOA22
G8
GPIOA23
H7
GPIOA24
H2
GPIOA25
H8
GPIOA26
J6
GPIOA27
J2
GPIOA28
H9
GPIOA29
J7
GPIOA30
F1
GPIOA31
B14
GPIOB2
F6
GPIOB5
C1
GPIOB8
F7
GPIOB9
C2
GPIOB10
F8
GPIOB11
A12
GPIOB13
F14
GPIOB14
C12
GPIOB15
AA19
HMP0
AA20
HMP1
Y19
HMP2
AA22
HMP3
V20
HMP4
Y22
HMP5
U22
HMP6
V22
HMP7
Y21
HMP8
V21
HMP9
T22
HMP10
T17
HMP11
U21
HMP12
T16
HMP13
T21
HMP14
R21
HMP15
R17
HMP16
R16
HMP17
P20
HMP18
P21
HMP19
R15
HMP20
P17
HMP21
N21
HMP22
P16
HMP23
P15
HMP24
N17
HMP25
N16
HMP26
N15
HMP27
M21
HMP28
L22
HMP29
K22
HMP30
M17
HMP31
L21
HMP32
M16
HMP33
M15
HMP34
M20
HMP35
L16
HMP36
K20
HMP37
J22
HMP38
K21
HMP39
2
3
A
A
D
D
D
N
N
N
G
G
G
A
3
2
8
1
1
J
K
R
A
VDD_PLL_1.2V
C400
C402
AVDD_2.6V
0
0
3
0
0
0
8
0
6
1
3
8
1
J
J
K
C
3
2
B
A
A
B
D
D
D
D
D
D
V
V
V
VDDBB
VDDE2
VDDE1
1
3
9
2
1
2
1
2
1
2
T
F
N
G
L
F
A
U
R
H
W
1
K
U
C
C
C
C
C
C
C
C
C
L
E
D
D
D
D
D
D
D
D
G
D
C
D
D
D
D
D
D
D
D
D
C
D
D
D
V
V
V
V
V
V
V
V
V
D
V
D
D
V
V
UCP400
VDDE1
VDDE2
VDDE1
VDDE2
VDDE1
VDDE1
C
C
C
E
C
E
E
E
E
E
C
C
C
C
D
D
D
D
D
N
N
N
N
N
G
G
G
G
G
1
2
2
1
2
1
2
1
1
1
L
L
F
E
M
E
C
D
D
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
G
G
2
6
1
0
2
3
9
1
6
6
1
1
1
2
2
V
A
K
H
C
P
A
C
C
M
SIMVCC_M_3.0V
VDD_IO_HIGH_2.9V
VDD_USB_3.3V
VDD_IO_LOW_A
2
4
9
1
7
2
1
1
1
1
L
F
N
H
C
1
1
1
1
E
E
E
E
D
D
D
D
D
D
D
D
V
V
V
V
E
E
E
E
D
D
D
D
N
N
N
N
G
G
G
G
6
0
0
7
6
1
1
2
1
R
K
U
R
N
1
8
3
1
2
3
1
6
4
8
3
1
B
Y
Y
Y
H
C
G
G
W
Y
A
1
4
1
2
1
2
1
2
3
2
E
E
E
E
E
E
E
E
E
E
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
V
VDDE1
VDDE1
VDDE1
VDDE1
VDDE5
VDDE1
VDDVB
VDDBB
VDDVB
VDDE1
VDDE2
VDDVBO
VDDBB
VDDVB
VDDE2
VDDE1
VDDVBO
VDDBB
VDDE1
VDDE1
VDDE2
VDDCLK
VDDE1
VDDREF
VDDE1
VDDE1
VDDE1
VDDE4
VDDE2
VDDE4
VDDE1
VDDE2
VDDE3
VDDE1
VDDREF
F
O
K
E
L
B
B
B
E
E
E
R
B
A
V
V
C
D
D
D
S
S
S
S
S
S
N
N
N
S
S
S
S
S
S
V
G
V
G
G
V
V
V
V
8
0
4
3
3
3
9
3
2
1
B
1
L
P
K
Y
N
Y
Y
A
AVDD_HFA_2.6V
AVDD_2.6V
1
2
1
6
1
2
2
1
P
A
Y
M
5
5
R
R
E
E
P
P
1
1
D
D
E
E
D
D
D
D
V
V
D
D
V
V
USBVBUS5V
C
C
C
C
N
N
N
N
1
2
1
2
B
2
A
A
A
1
T
F
B
E
V
R
D
D
D
D
V
V
HDPA10
HDPA11
HDPA12
KROW3
KROW5
AUXDAC1
AUXDAC2
AUXDAC3
AUXMICN
AUXMICP
CLK32O
MSDATA1
MSDATA2
MSDATA3
RFCMCLK
RFCMDATA
RFCMEN0
MCLKSEL
MICBIAS
REF26MI
_RESET
_RSTBB
_RSTEXT
RXTXDATA
RXTXEN
SIMCLK
SIMPWR
_SIMRST
USBRREF
BBCKISEL
C
C
N
N
2
2
B
A
1
B
A
GPON0
GPON1
RFSIG7
HDPA0
HDPA1
HDPA2
HDPA3
HDPA4
HDPA5
HDPA6
HDPA7
HDPA8
HDPA9
KCOL0
KCOL1
KCOL2
KCOL3
KCOL4
KCOL5
KROW0
KROW1
KROW2
KROW4
SMP10
SMP11
SMP12
SMP13
SMP14
SMP15
SMP16
SMP17
SMP18
SMP19
SMP20
SMP21
SMP22
SMP23
SMP24
SMP25
SMP26
SMP27
CLK32I
RFSIG2
RFSIG6
_TRST
USBDM
USBDP
C412
O
B
V
D
D
V
G11
R7
W1
AA11
T15
T14
AA10
U11
Y6
T13
Y7
R14
T12
R11
R13
T10
AA3
T8
Y2
U7
R8
U6
T11
U8
R12
AA4
U9
AA6
AA21
SMP0
AA17
SMP1
AB20
SMP2
AA16
SMP3
AA18
SMP4
Y17
SMP5
AB19
SMP6
AA15
SMP7
AB18
SMP8
AA14
SMP9
AB17
Y15
AB16
U17
AB15
U15
AB14
U14
AB13
Y12
AB12
U12
AA13
U13
AA12
Y11
Y13
Y10
AA5
ANL
Y5
ANR
M2
M3
P2
AB4
AB5
B9
C5
AA9
EAR1
AA8
EAR2
M1
IN
L2
IP
AB6
MICN
AB7
MICP
M6
R3
L8
W21
DCL
R22
DD
T20
DU
AB10
HFR1
AB9
HFR2
L1
QN
K2
QP
P7
JDIR
P8
JROT
C10
JSEL0
F10
JSEL1
AA2
V3
V2
W2
T6
N6
SCL1
L6
SCL2
M8
SDA1
L7
SDA2
C413
N2
MCLK
R419
W22
AB3
R421
AB2
R422
G14
F13
T9
B10
RTCK
R9
AA7
AA1
Y1
SIMIO
T2
T7
G12
TCK
A11
TDI
A10
TDO
B11
TMS
G13
M7
TXD1
E3
D3
H11
USBID
F3
K7
B7
U20
FSC
R1
C415
VREF
SMP_NFI_D(0)
SMP_NFI_D(1)
SMP_NFI_D(2)
SMP_NFI_D(3)
SMP_NFI_D(4)
SMP_NFI_D(5)
SMP_NFI_D(6)
SMP_NFI_D(7)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
TP_SMP_NFI_CEn
TP_SMP_NFI_ALE
TP_SMP_NFI_WEn
TP_SMP_NFI_RDY
TP_SMP_NFI_REn
TP_SMP_NFI_CLE
R424
KEY_COL(0)
KEY_COL(1)
TP411
G2_RSTn
GSM_REF_ON
MV_RST_N
USB_SUSPEND
32KHZ_DIGIT
DCL_M
DD_M
DU_M
HFR_P_M
HFR_N_M
G2_REF_ON
G2_INT
BB2G_JSEL0
BB2G_JSEL1
C414
TP_RSTEXT
SMP_NFI_D(0:7)
MIC_SEL
MODE_SEL
MELODY_SEL
LCD_DETECT
LCD_RESET
GPS_RESET
GPS_EN
MV_PT_EN
MV_LP_EN
CODEC_MIC_SEL
MIC_PATH_SEL
RSTONS
SMP_NFI_CEn
SMP_NFI_ALE
SMP_NFI_WEn
SMP_NFI_RDY
SMP_NFI_REn
SMP_NFI_CLE
GSM_AFC
M_PA_RAMP
EAR1_M
EAR2_M
MIC_N_M
MIC_P_M
TSP_INT
M_RF_CLK
M_RF_DATA
M_RF_EN
M_PON_PA
INT_GSM_F
CLK26M_REF_M
MMIC_BIAS_2.15V
RTCK
M_BAND_SEL
M_MODE_SELECT
SIMCLK_M
SIMRST_M
TCK
TDI
TDO
TMS
TRSTn
TXD1_M
USBDM_M
USBDP_M
USBREF
USB_LDO_5V
FSC_M
SIMVCC_M_3.0V
POWER_DOWN_4221
M_RX_TX_IN
M_RX_TX_IP
M_RX_TX_QN
M_RX_TX_QP
VDD_IO_LOW_1.8V
R411
R414R413
R423
SIMIO_M
KEY_COL(0:1)
KEY_ROW(1:4)
R412
BB2G_JSEL1
BB2G_JSEL0
VDD_IO_LOW_1.8V
VDD_IO_HIGH_2.9VVDD_IO_HIGH_2.9V
7
5
1
4
R
8
6
1
1
1
4
4
4
R
R
R
SCL1
SCL2
SDA1
SDA2
R420
RSTON
9-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
C418
C423
R407
C
C
4
4
2
2
9
8
C
4
2
2
0
C419
C417
C420
3
4
1
2
4
C
4
C
0
1
3
4
R
4
P
R414
4
7
C
3
R424
C
C
4
4
1
0
0
2
C
U
C
4
2
1
2
4
6
R
C
C
4
4
2
2
7
6
T
P
_
R
S
T
E
X
T
4
5
2
2
4
4
C
C
4
C
0
0
4
1
4
5
R
2
R
R
4
8
0
4
R
4
0
0
2
1
5
6
1
1
4
4
R
R
R
8
3
0
3
9
4
C
5
R527
3
1
4
C
5
5
1
3
4
4
C
C
4
C
3
6
4
C
2
1
2
3
C437
4
R
R
4
2
1
C
9-5
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Flow Chart of Troubleshooting
9-3.
Charging Part
Abnormal charging part
Check the
U504
Yes
pin
U504
A53,A54,A55
>4.9V
Yes
pin D5(AUX_ON)
L"?
="
Yes
No
Check the circuit related to
USB_VBUS_5V
No
Check the circuit related to
AUX_ON signal
Check the
ā
END
U504
1.4V
Yes
A1
No
Resolder or replace
U504
9-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
VDD_LCR_LOW_1.8V
VDD_IO_LOW_1.8V
AVDD_HFA_2.6V
VDD_SLEEP_2.9V
VDD_LCR_HIGH_3.3V
AVDD_2.6V
VDD_IO_HIGH_2.9V
VDD_BT_1.8V
C511
C512
OSC500
RSTON
C513
G2_REF_ON
VHIGH
R504
DVM1
DVM2
VDD_IO_HIGH_2.9V
32KHZ_DIGIT
VBATT_4.2_3.3V
C526
C528
VDD_IO_LOW_1.8V
GSM_REF_ON_PMU
R528
PMU_INT_M
KEY_POWER_ON
VDD_GSM_CORE_1.2V
VDD_MEM_CORE_1.8V
SIM_OFF
TA500
SCL1
SDA1
C514
AUX_ON
R505
NC
VDD_TX_2.6V
VDD_IO_3.3V
0
0
C500
5
L
D4VDD_1.2V
V
3
.
3
_
2
.
4
_
VBATT_4.2_3.3V
T
T
A
B
V
3
2
0
0
5
5
C
C515
C516
C517
TP500
TP501
R502
R506
TP502
TP503
C
8
7
5
4
7
5
7
9
6
3
1
3
A
B22
SCL
A28
SDA
B14
USIMACT
B15
USIMPRES
B5
INT_N
A16
RSTHC_N
B4
RSTMEM_N
B9
PWREN1
B8
PWREN2
B7
PWREN3
A8
PWREN4
B6
PWREN5
B16
SHUTDOWN
D5
REC1_N
A56
REC2_N
A20
ONKEY_N
B10
GPIO1
A11
GPIO2
B11
GPIO3
A12
GPIO4
A14
GPIO5
B12
GPIO6
D6
GPIO56GND
D8
GPO1
A43
GPO2
B25
NC
B35
NC
D4
GPO1VIN
B34
GPO2VIN
B36
NC
B40
NC
B13
CLK32K
A52
OSCI
B41
OSCO
4
3
3
3
2
1
2
2
2
1
2
A
A
A
A
B
A
A
A
B
N
D
I
D
V
V
2
1
D
D
1
D
A
B
N
N
D
D
D
D
D
C
C
C
I
I
D
D
D
D
D
N
N
N
V
V
V
V
V
V
V
4
6
2
3
4
5
6
D
D
D
D
D
D
D
3
5
D
D
U502
N
N
I
I
B
B
X
X
F
V
F
L
V
L
2
1
1
2
2
1
D
D
D
D
D
D
D
N
C
C
C
C
C
C
C
D
D
7
9
A
A
C
D
D
D
N
G
D
N
5
9
0
6
3
6
5
4
1
1
4
B
A
A
A
A
A
A
2
6
1
3
6
9
3
3
2
1
2
A
B
B
A
D
N
N
I
I
D
V
V
V
C
O
I
C
H
H
D
N
C
C
G
N
N
2
1
0
7
2
5
5
1
A
A
A
B
0
1
9
3
2
7
8
0
3
2
4
3
4
4
3
3
3
3
3
2
3
A
B
A
A
A
A
B
B
A
B
B
B
B
D
N
N
D
N
D
D
D
N
D
I
D
D
V
V
V
B
B
O
S
I
S
U
U
D
N
C
C
N
N
G
8
1
1
B
D
D
N
C
I
I
I
V
M
I
S
U
C
N
0
2
B
I
D
D
D
D
D
C
V
C
N
3
2
B
D
V
V
V
V
V
V
V
V
V
4
2
C
1
2
3
4
S
F
F
C
L
F
F
F
F
A
R
L
R
I
R
R
R
R
1
3
B
F
F
C
REFC
I
R
R
M
REFGND
VINT
VHIGH
NC
NC
NC
NC
VBAT
VBAT
VSAVE
NC
VBATSENSE
VCHG
VCHG
VBUS
SCUSB
NC
CCSET
VINT
NC
NC
VINT
NC
NC
NC
NC
NC
NC
C
N
4
2
B
NC
C504
C518
B38
C519
A48
B39
A49
B42
D2
D3
C521
D7
A1
A2
A47
A17
B1
A54
A55
A53
D1
A18
B44
A30
A21
A24
B43
A25
A29
A31
A32
A44
2
3
C522
USB_SUSPEND
C527
R508
C508C505
C507
C509
C506
C510
VBATT_4.2_3.3V
VINT
VHIGH
USB_VBUS_5V
VINT
C525
C520
R503
0603
SHORT
BAT500
VINT
CCSET
R507
USB_LDO_5V
VDD_USB_3.3V
SIMVCC_M_3.0V
VDD_SYN_2.8V
VDD_RX_TX_2.8V
VDD_RX_2.8V
VDD_TX_2.6V
VDD_PLL_1.2V
C524
L501
L502
C530
C529
9-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
10-4.
Master
1)
SIM Part
Phone can't access SIM Card(slot1)
pin3 of SIM200 inafew second
Yes
SIM
Check SIMCLK Signal on
pin
501
After Power ON,
1,5 = "
Yes
H"?
No
Resolder or replace U504
No
Check the Clock
After SIM card insert,
SIM200 pin
2="
Check the SIM Card
END
Yes
H(SIMRST_1)"?
Yes
Yes
No
Replace PBA
9-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
SIMIO_1
SIMRST_1
SIMCLK_1
SIMVCC_1_3.0V
R509
SIM500
5000-6P-1.9S
1
2
3
7
7
88
99
11 11
G
G
G
1516
6
5
4
1212
1010
G
1314
C533
C
5
3
4
S
C
1
0
0
C534
005MIS
2
4
7
C
0
1
4
P
T
9-9
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Slave
2)
Phone can't access SIM Card
Yes
SIM
502
pin
1="
Yes
H"?
Flow Chart of Troubleshooting
No
Resolder or replace U504
After Power ON,
Check SIMCLK Signal on
pin3 of SIM
SIM
502
502ina
Yes
After SIM card insert,
pin
Check the SIM Card
2="
END
H(SIMRST_
Yes
Yes
few second
2)"?
No
Check the Clock
No
Replace PBA
9-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
SIMIO_2
SIMRST_2
SIMCLK_2
SIMVCC_2_3.0V
R510
SIM501
1
2
3
7
7
88
99
6
5
4
1212
11 11
1010
C535
13GG1415GG16
C536
2
0
D
7
7
R
0
3
2
0
7
R
1
0
7
D
105MIS
0
1
2
C
9
2
0
1
3
C
0
1
3
C
1
0
1
3
0
C
U700
4
0
7
L
C
7
3
6
C
R
7
7
3
0
5
7
1
1
4
0
R
0
7
5
C
7
1
3
2
1
7
C
R
7
0
8
7
3
7
C
L
K
SLAVE_JTAG_PAD
E
Y
7
0
1
9-11
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-5.
Microphone Part
Microphone does not work
Yes
Check the connection
from MIC
Yes
Check the circuit
fromUCP401 to MIC
No
No
Reconnect MIC
Resolder the
C602,C613,
R602,R606
Yes
Check the circuit
fromUCP1001 to MIC
Yes
Check the MIC
Yes
END
No
No
Resolder the
Replace the MIC
C607,R603,R607
C602,
9-12
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
V
V
MMIC_BIAS_2.15
MIC_SEL_N_M
MIC_SEL_N_S
TA600
L600
L602
L601
L603 C613
R602
C602
C612
R606
R608
MMIC_BIAS_2.15
TA601
R603
R607
C603
C601
R604 C606
C615
R605 C609
C607
68PF
C610
C608
68PF
MIC_P_MMIC_SEL_P_M
MIC_N_M
MIC_P_SMIC_SEL_P_S
C611
MIC_N_S
1
0
6
C
C602
R
6
0
2
TA600
R609
1K,1%
C
6
0
6
0
4
L
6
0
0
C
6
1
5
6
R
R603
R607
TA601
0
6
3
C
6
1
2
L
6
0
2
R
6
6
0
0
6
8
R
1
0
6
R
L601
L
3
3
0
1
6
6
C
C
R
6
5
0
9
0
C
6
0
1
C
6
1
1
C
6
R
6
0
9
C
P
1
0
0
0
U
U
6
0
0
9-13
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-6.
Speaker Part
Speaker does not work
U603 pin F6
Check input signal is ok
Yes
=2.9
Yes
V?
Yes
No
No
?
Check the PMU related to
VDD_IO_HIGH_2.9V
+
Resolder L610, L611, C634, C638
Check output signal is ok
Yes
Is Speaker working?
Yes
END
No
?
No
Resolder C629, C630, C631, C632
Change the Speaker
9-14
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
VDD_IO_LOW_1.8V
VDD_IO_HIGH_2.9V
AMP_RIN
AMP_LIN
L606
L607
C640
C641
MV_I2S_MCLK
MV_I2S_BCLK
MV_I2S_LRCLK
MV_I2S_DOUT
MV_I2S_DIN
C632
C623
C631
SCL1
SDA1
C624
C619
VBATT_4.2_3.3V
R623
C621
C622
C620
C618
U603
2
2
6
6
F
E
E
A
D
D
D
D
D
D
D
D
V
V
_
MCLK
ADC_REF
PORT1_CLK
PORT1_SYNC
PORT1_SDI
PORT1_SDO
PORT2_CLK
PORT2_SYNC
PORT2_SDI
PORT2_SDO
AUX_L
AUX_R
SCL
SDA
D
N
G
D
6
D
_
D
O
|
I
S
D
S
N
V
_
G
P
S
L
H
3
1
1
E
A
C
C646
C6
A5
F5
D4
E5
D5
C5
B4
B5
C4
B3
B2
B6
A6
4
5
4
4
6
6
C
C
V
V
_
_
S
A
L
AUX_OUT+
AUX_OUT-
DAC_REF
HP_VDD
MONO+
MONO-
D
N
G
C
C
A
N
N
2
1
LS-
HPR
HPL
MICĀMIC+
CP+
CP-
LS+
C647
F1
F2
D3
C3
A1
B1
A4
E4
F4
C2
F3
E3
D2
D1
C648
R614
R615
C629
C635
C643
C630
C633
C634
EARSPK_R
EARSPK_L
CODECMIC_N
CODECMIC_P
HFR_P
HFR_N
SPK_P
SPK_N
C630
C629
4
3
6
C
1
3
6
6
R
C
5
3
C409
4
1
6
R
4
0
1
C
C
C
6
6
2
2
1
2
3
0
6
C635
6
4
6
C
U
9-15
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-7.
Key Data Input
Check Initial Operation
When one of the keys is
pushed,
is it displayed on LCD?
When one of the keys is
pushed,
KBIO signal is OK?
Yes
No
Check the Dome sheet&Key Pad
Yes
No
Replace the PBA
END
Yes
9-16
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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