Page 1
Flow Chart of Troubleshooting
9.
Baseband
9-1.
Power ON
9-1-1
' Power On ' does not work
Yes
Check the Battery Voltage
is more than 3.4V
Yes
C432 (VINT) = 2.55V?
Yes
Check the Clock at
OSC400=32.7KHZ
Yes
R414(VDD_IO_LOW_1.8V) &
C414(VDD_IO_HIGH_2.9V) =
"H"?
Yes
No
Change the Battery
No
Check the PMU related to VINT
No
Resolder OSC400
No
Check the related circuit
L402(VDD_GSM_CORE_1.2V)
=1.2V?
Yes
Check the initial operation
Yes
END
No
9-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Check the VDD_GSM_CORE_1.2V
circuit
Page 2
Flow Chart of Troubleshooting
2
2
_
V
R
_
V
1
_
3
3
0
0
3
A
G2_RSTn
VDD_IO_LOW_1.8V
O
V
C
8
_
.
2
M
_
E
X
M
T
_
_
D
D
D
D
V
V
VDD_IO_LOW_1.8V
R411
GSM_REF_OUT
G2_REF_ON
DVM2
G2_REF_ON
SCL1
USB_SUSPEND
SDA1
8
_
.
V
2
H
8
V
.
_
8
G
2
.
I
X
_
2
T
H
_
N
_
_
X
Y
X
O
I
R
S
R
_
_
_
_
D
D
D
D
D
D
D
D
V
V
V
V
C432
VHIGH_3.3VVHIGH_3.3V
ISET
R413
R
O
TP502
C
_
M
S
G
_
D
D
V
L402
L403
C433
SIM_OFF
32KHZ_DIGIT
C437
RSTON
C
2
0
5
C
4
3
6
0
0
5
C
O
S
C
4
0
0
8
0
4
R
4
3
2
5
3
4
5
2
3
1
1
1
A
B
B
2
1
D
D
D
D
A
A
C
C
S
S
T8
SPI_RF(2)
SPI_ABB(2)
LCR_SW3
G2_26MHZ
32KHZ_DIGIT
512CLK
G2_INT
INT_GSM_F
LCRSUBF_INT
R414
G2_REF_ON
SEN1
T7
SEN2
T14
SEN3
Y16
SEN4_RFSIGO6
E7
BP_CKI_PLL1
G8
BP_CKI_PLL2
F7
BP_CKI_PLL3
B1
CKI
A2
CLK32KI
C2
CLKSEL
C17
CSOUT_N
AA14
DACLK
N6
GPMDMINT
M6
GSMFINT
V19
HDP0
Y18
HDP1
W19
HDP2
Y21
HDP3
W18
HDP4
W20
HDP5
U19
HDP6
U20
HDP7
V20
HDP8
T19
HDP9
T21
HDP10
T20
HDP11
R21
HDP12
P19
HDP13
R19
HDP14
R20
HDP15
N19
HDP16
P20
HDP17
L19
HDP18
N20
HDP19
M19
HDP20
M20
HDP21
K20
HDP22
L20
HDP23
J20
HDP24
J19
HDP25
K19
HDP26
H20
HDP27
H19
HDP28
G20
HDP29
F20
HDP30
G19
HDP31
E20
HDP32
E19
HDP33
F19
HDP34
D20
HDP35
D19
HDP36
E21
HDP37
C20
HDP38
C19
HDP39
N5
LCRSUBFINT
AA6
LVDS_RX_I_N
Y6
LVDS_RX_I_P
AA7
LVDS_RX_Q_N
Y7
LVDS_RX_Q_P
AA8
LVDS_TX_I_N
Y8
LVDS_TX_I_P
AA9
LVDS_TX_Q_N
Y9
LVDS_TX_Q_P
TP401
W8
REFV_VRA1
W7
REFV_VRA2
M5
REF_ON
W17
RESET_N
U3
RFSIGIO0
V3
RFSIGIO1
6
4
5
7
6
8
3
4
7
1
1
1
1
1
1
1
1
1
1
1
1
C
C
B
C
C
C
A
A
A
A
B
B
B
B
C
4
7
3
6
8
5
9
0
1
0
1
N
2
N
B
_
T
D
D
D
1
D
D
1
D
D
1
A
A
_
S
S
S
D
D
T
T
D
D
D
D
D
D
D
D
V
M
R
C
A
A
A
D
A
A
D
A
A
A
A
D
D
C
D
U
C
C
C
A
C
C
A
D
D
C
C
A
A
S
D
B
S
S
S
C
S
S
C
C
C
S
S
C
C
A
K
S
S
S
S
S
S
L
C
C
S
C
S
0
0
5
6
7
6
5
8
7
6
9
1
1
C
A
A
C
B
C
C
B
C
C
B
2
5
6
3
8
7
4
9
2
0
1
A
1
A
1
1
A
A
A
A
A
A
T
T
T
T
T
T
T
T
A
A
A
A
T
A
T
T
A
A
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
C
D
C
D
D
C
C
C
C
C
C
S
S
S
S
S
S
S
S
C
C
C
S
S
S
2
1
0
4
7
6
6
5
1
1
1
1
1
U
T
T
Y
C
C
A
U
1
2
3
1
5
4
3
K
K
K
A
1
1
1
7
L
L
L
T
A
A
A
O
C
C
C
A
T
T
T
G
S
S
S
I
D
A
A
A
S
S
D
D
D
F
C
C
C
R
S
S
S
_
4
K
L
C
S
UCP400
2
6
5
6
5
1
1
K
U
W
W
K
3
2
C
A
A
8
T
T
T
O
A
A
G
D
D
I
S
S
S
F
R
_
4
A
T
A
D
S
1
4
3
2
1
2
3
1
7
1
5
1
6
5
7
1
1
1
1
1
1
1
J
J
L
L
A
A
M
Y
Y
Y
W
W
W
W
A
A
I
O
D
1
0
3
5
4
6
8
2
7
P
P
P
T
D
D
D
D
D
D
D
D
D
D
V
V
V
T
R
R
R
R
R
R
R
R
R
E
E
E
_
_
_
_
_
_
_
_
_
_
_
_
I
D
D
D
D
D
D
D
D
D
K
O
D
T
T
T
T
T
T
T
T
T
C
D
T
T
T
6
7
0
7
5
2
7
5
7
2
6
7
6
1
J
L
K
K
H
H
A
G
G
G
W
S
I
C
9
N
P
3
2
1
B
M
P
K
D
D
_
I
V
L
L
L
T
V
T
C
D
R
S
E
L
L
L
_
E
_
S
L
V
_
P
P
P
_
_
A
D
R
_
_
_
S
N
A
T
T
D
A
A
A
M
_
D
D
D
D
D
T
T
V
D
D
D
D
S
V
V
V
V
R
T
1
3
8
1
1
A
A
A
A
A
C
C
C
D
D
D
D
D
D
V
V
V
4
2
1
1
1
7
1
1
4
1
1
3
1
2
2
1
2
1
2
A
A
L
L
H
A
D
A
V
A
C
A
B
W
A
A
A
1
2
1
1
2
1
1
1
1
C
C
C
C
E
E
E
E
E
E
S
E
E
E
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
D
D
D
D
D
D
D
D
D
V
V
V
V
L
V
V
V
V
V
V
V
V
V
_
E
N9
D
D
D1D2VIN
V
N1
D1VDD
M1
D2VDD
M2
D2VDD
L9
D3D4VIN
J1
D3VDD
G1
D4VDD
J9
D5D6VIN
E1
D5VDD
E2
D5VDD
A8
D6VDD
G21
DCD1FB
H21
DCD1LX
J21
DCD1LX
L15
DCD1VIN
N21
DCD2FB
L21
DCD2LX
M21
DCD2LX
M15
DCD2VIN
W1
GPO1VIN
Y1
GPO2VIN
A9
HCVDD
J10
HCVIN
F1
IOVDD
F2
IOVDD
K9
IOVIN
N17
LCVDD
N13
LCVIN
U10
MICBIASVDD
N11
RF1RF2VIN
V1
RF1VDD
U1
RF2VDD
N10
RF3RF4VIN
T1
RF3VDD
R1
RF4VDD
K1
USBVDD
K2
USBVDD
M9
USBVIN
N7
USIMVIN
N15
VBAT
P15
VBAT
P1
VCC
R14
VCHG
R15
VCHG
R12
VHIGH
H5
VINT
U12
VINT
U15
VINT
R10
VSAVE
R13
VBUS
P17
VBATSENSE
E13
USIMACT
F12
USIMPRES
T15
CCSET
A20
CLK32K
G17
GPIO1
H17
GPIO2
G16
GPIO3
H16
GPIO4
F17
GPIO5
F16
GPIO6
R8
GPO1
R9
GPO2
L17
INT_N
E12
ONKEY_N
AA20
OSCI
AA19
OSCO
J15
PWREN1
J16
PWREN2
J17
PWREN3
K16
PWREN4
K17
PWREN5
T17
REC1_N
R16
REC2_N
U11
REFC
R11
REFGND
F14
RSTHC_N
M17
RSTMEM_N
E5
SCL
R17
SCUSB
F5
SDA
105
C
5
0
6
C513
C511
C510
V
8
.
2
_
X
T
_
D
D
V
AUX_ON
6
_
H
_
V
.
W
V
V
2
0
.
.
1
3
_
_
L
M
I
L
S
P
_
_
D
D
D
D
V
V
D
3
.
O
3
L
_
_
B
R
S
C
U
L
_
_
D
D
D
D
V
V
H
2
G
W
I
E
_
V
G
I
O
H
L
V
2
A
V
.
_
_
L
H
3
6
F
.
1
.
_
Y
_
R
3
H
_
2
E
O
C
O
_
_
_
I
I
O
L
K
_
D
D
V
H
_
D
D
C
_
_
D
D
G
D
D
I
D
D
V
V
D
D
H
D
D
V
A
A
V
V
V
V
C413
C414
C415
C440
C441
C442
C416
C417
C418
C419
C420
C421
C422
C423
C424
C425
C426
C427
C428
C429
T
N
I
V
BAT400
C430
C431
C434
R412
C435
IT_PMU
KEY_POWER_ON
C436
OSC400
R806
H103
T
C416
C400
L
4
0
0
1
C518
R512
2
C
4
4
6
C408
8
0
C409
4
R
4
R
7
0
2
4
0
4
4
L
C
L
4
0
3
7
1
4
C
C438
C
8
4
2
C433
C421
C
7
4
2
C441
C418
T
P
C420
C
4
0
5
0
0
L
4
2
0
0
C
1
4
4
0
C
3
U
4
0
2
R
4
2
1
4
C
2
7
1
3
1
8
4
4
C
R
4
C
4
4
1
0
1
1
4
4
C
C
0
0
4
P
C
U
9
5
4
6
0
9
1
1
4
4
4
C
C
1
2
4
4
4
C
C
C
2
3
4
1
C
4
C
9-2
C435
6
0
9
1
5
R
8
R
0
2
5
R
4
5
2
2
4
4
C
C
C
4
3
1
4
R
2
1
R413
C
4
3
0
4
R
4
1
R
4
1
1
4
C
6
0
4
C
7
0
C
4
4
5
C437
1
0
R
2
4
1
P
3
T
0
0
4
P
T
2
1
2
R
R
2
1
4
2
3
2
2
4
4
C
C
9
1
2
C
C3
3
0
3
C
0
0
L3
0
0
C
3
0
7
1
0
0
1
3
C
C
3
1
4
C
3
1
5
R202
C
R
2
2
0
0
4
3
R200
C
R
2
2
0
0
3
1
2
C
8
1
C211
R100
5
C
0
1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 3
Flow Chart of Troubleshooting
9-1-2.
Initial
Initial Failure
Yes
C438 (RSTON) ="H"?
Yes
UCP500 pin C13
(RSTEXT_N) TP503
="H"? OK?
Yes
Check the 16bit data signal
&memoryCE
No
Check the circuit related to reset
No
change UCP50
END
Yes
9-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 4
Flow Chart of Troubleshooting
GPIOA25
USB_VBUS
UCP400
VSAVE
VBATSENSE
USIMACT
USIMPRES
CCSET
CLK32K
ONKEY_N
PWREN1
PWREN2
PWREN3
PWREN4
PWREN5
REC1_N
REC2_N
REFGND
RSTHC_N
RSTMEM_N
SCUSB
SHUTDOWN
ADCIN1_D7_DNU
ADCIN2_A29_DNU
ALMSENSE_B36_DNU
D7D8VIN_B20_DNU
D7VDD_A25_DNU
D8VDD_A24_DNU
DCLX_A18_DNU
DCLX_A21_DNU
DCUDFB_B17_DNU
DCUDMODE_B18_DNU
DCULEDFB_A17_DNU
DCULED_A15_DNU
GPIO7_B40_DNU
GPIO8_A50_DNU
H5
VINT
U12
VINT
U15
VINT
R10
R13
VBUS
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPO1
GPO2
INT_N
OSCI
OSCO
REFC
C433
P17
E13
F12
T15
A20
G17
H17
G16
H16
F17
F16
R8
R9
L17
E12
AA20
AA19
J15
J16
J17
K16
K17
T17
R16
U11
R11
F14
M17
E5
SCL
R17
F5
SDA
G11
G9
G10
U9
F10
F9
E9
E14
E11
F11
E10
F13
E15
T13
U13
U7
32KHZ_DIGIT
C437
C438
VDD_IO_LOW_1.8V
SIM_OFF
GSM_REF_OUT
G2_REF_ON
DVM2
G2_REF_ON
RSTON
R411
ISET
SCL1
USB_SUSPEND
SDA1
C432
VHIGH_3.3VVHIGH_3.3V
R413
R412
AUX_ON
T
N
I
V
IO_LOW_1.8V
KEY_COL(0:4)
_REF_CLK_26M
MIC_BIAS
_IO_HIGH_2.9V
R507R506
RX_TX_QN
R503
KEY_ROW(0:4)
C520
RX_TX_IN
RX_TX_IP
RX_TX_QP
CIF_CAM_RST
HDP_TRCPKT(0)
HDP_TRCPKT(1)
HDP_TRCPKT(2)
GSM_REF_ON
SLEEP_VDD_EN
G2_REF_ON
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
USB_SUSPEND
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(5)
C521
RF_CLK
RF_DATA
PON_PA
INT_GSM_F
POWER_DOWN_4220
BAND_SEL
MODE_SELECT
AMP_ON
CAM_Y(7)
G2_INT
MIC_N
MIC_P
RF_EN
RTCK
H3
GPIOA26
J3
GPIOA27
L2
GPIOA28
J2
GPIOA29
K2
GPIOA30
K3
GPIOA31
T18
GPIOB2
A2
GPIOB5
F10
GPIOB8
F11
GPIOB9
F9
GPIOB10
E3
GPIOB11
A15
GPIOB13
C14
GPIOB14
A14
GPIOB15
B12
GPON0
V3
GPON1
U15
HFR1
HFR2
R513
R514
R515
R516
R517
R518
TP503
HFR1
T15
HFR2
J9
IN
K9
IP
J10
QN
K10
QP
T7
JDIR
V2
JROT
C12
JSEL0
C10
JSEL1
Y7
KCOL0
AA6
KCOL1
AA5
KCOL2
Y6
KCOL3
Y4
KCOL4
Y5
KCOL5
AA8
KROW0
AA9
KROW1
Y10
KROW2
Y8
KROW3
Y9
KROW4
AA7
KROW5
F1
MCLK
T17
MCLKSEL
P10
MICBIAS
AB8
MICN
AB7
MICP
G9
MSDATA1
G10
MSDATA2
G11
MSDATA3
AB2
R504
REF26MI
B13
RESET_N
K15
RFCMCLK
J13
RFCMDATA
J14
RFCMEN0
K14
RFSIG2
K13
RFSIG6
W2
RFSIG7
B14
RSTBB_N
C13
RSTEXT_N
G14
RTCK
J16
RXTXDATA
J15
RXTXEN
R3
SCL1
P3
SCL2
R2
SDA1
P2
9-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 5
Flow Chart of Troubleshooting
C
4
0
6
C501
P
3
0
5
C
BOTH105
C
5
0
6
C513
C511
C510
0
3
R
TP502
5
1
0
R
5
T
P
5
0
3
TP501
C
2
5
0
C
4
3
6
C
0
5
0
O
S
C
4
0
0
U500
TAC800
5
0
0
C433
C518
R512
2
6
4
4
C
C408
8
0
C409
4
R
0
7
R
4
C438
8
2
4
C
2
4
0
4
4
L
C
C421
L
4
0
3
0
0
4
C435
7
1
4
C
6
0
9
R51
8
R
0
R
5
2
C
4
3
1
R
2
4
1
R413
C
4
3
0
1
4
R
4
R
4
1
1
C304
3
0
3
C
3
0
R
0
L300
3
0
C
0
C
3
0
7
3
0
C
1
0
1
3
C
C
3
1
4
C
3
1
1
3
0
U
3
0
R
1
C302
3
1
C
1
9
0
3
C
L303
0
L
1
3
C
3
0
5
C306
2
3
0
L
C308
L304
C319
BOTH102BOTH103
2
1
3
C
3
1
9-5
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Page 6
Flow Chart of Troubleshooting
9-1-3.
SIM Part
pin3 of SIM700 in a few second
Phone can't access SIM Card
Yes
SIM700 pin 1 = "H"?
Yes
AfterPowerON,
Check SIM_CLK Signal on
Yes
No
Resolder or replace SIM700
No
Check the Clock
After SIM card insert,
SIM700 pin 2 = "H(SIM_RST)"?
Yes
Check the SIM Card
Yes
END
No
Replace PBA
9-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 7
Flow Chart of Troubleshooting
7
M
O
T
O
R
7
0
0
O
R707
VDD_SIM_3.0V
R707
BOTH105
SIM_IO
R715
SIM700
11
66
22
SIM_RST
SIM_CLK
C710
C726
33 44
C711
55
G
G
78GG910
ZD703
SIM Connector
7
0
1
5
0
7
L
SC103
C
R
4
0
6
6
1
1
C
6
1
M
O
D
1
C
6
0
0
2
2
C
R
1
C
C
4
3
5
6
0
2
C608
L
6
0
C603
2
C
C
6
6
0
0
4
9
0
0
6
0
0
C
6
R
R
6
7
0
0
4
6
C
C605
C515
C514
C519
C501
1
1
0
0
0
6
1
0
R
C521
C
R
R
5
0
4
5
5
1
1
6
5
R
6
0
1
1
0
6
C
R
5
1
3
1
1
5
R
3
0
5
C
C
5
0
6
1
8
1
6
C
0
C
1
6
1
7
6
U
C
6
2
0
C
1
4
4
C
6
3
1
1
6
2
C
C
C
5
4
9
5
0
0
0
0
9
5
5
7
C
R
R
6
6
0
R
5
6
0
ZD706
C610
C
6
1
5
C
C
6
6
6
1
1
1
6
4
9
C
C
R
C
5
5
5
8
0
0
0
0
5
5
8
5
R
U
C
P
5
0
0
U
7
C716
1
R
7
1
5
2
C
3
4
4
C
6
2
1
U410
9
3
4
C
C512
0
2
5
C
R
5
1
4
R
5
0
1
R
0
5
0
0
0
5
VR500
Q
TP702
R
5
0
2
0
1
7
R
5
1
7
C
1
1
7
R
C
5
1
7
R
5
0
3
R
5
1
0
T
P
5
0
3
TP501
TP502
C
C
5
0
2
4
3
6
C
5
0
0
SIM700
U500
2
6
R
7
1
1
1
5
7
C
Z
0
7
D
3
TAC801
8
D
0
4
Z
TAC800
9-7
SAMSUNG Proprietary-Contents may change without notice
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Page 8
Flow Chart of Troubleshooting
9-1-4.
Charging Par
Abnormal charging part
Check UCP400 pin R14,
R15(C430) is around 5V when
t
Yes
charging
Yes
END
No
Check the TA
9-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 9
Flow Chart of Troubleshooting
O
GPO2VIN
A9
HCVDD
J10
HCVIN
F1
IOVDD
F2
IOVDD
K9
IOVIN
N17
LCVDD
N13
LCVIN
U10
MICBIASVDD
N11
RF1RF2VIN
V1
RF1VDD
U1
RF2VDD
N10
RF3RF4VIN
T1
RF3VDD
R1
RF4VDD
K1
USBVDD
K2
USBVDD
M9
USBVIN
N7
USIMVIN
N15
VBAT
P15
VBAT
P1
VCC
R14
VCHG
R15
VCHG
R12
VHIGH
H5
VINT
U12
VINT
U15
VINT
R10
VSAVE
R13
VBUS
C433
P17
VBATSENSE
E13
USIMACT
F12
USIMPRES
T15
CCSET
UCP400
C
5
0
6
C513
C511
C510
C518
R512
6
C433
C416
C441
C420
L
4
0
1
0
2
8
C
C400
T
A
L
4
0
0
7
1
4
R
C
4
0
1
2
C
4
4
C408
8
0
C409
4
R
0
4
R
7
C438
C
4
2
8
2
4
0
4
4
L
C
C421
C
4
2
7
C418
T
P
5
0
0
2
0
C
4
4
0
C
3
U
4
0
2
R
2
4
4
1
C
2
1
3
8
4
C
9
0
1
C
4
4
4
4
1
4
4
0
1
1
4
4
C
C
C
C
L
4
0
3
0
0
4
P
C
U
6
4
5
2
1
1
4
4
4
C
C
C
7
1
4
C
5
9
2
2
3
4
4
1
C
C
4
C
A20
CLK32K
G17
GPIO1
H17
GPIO2
G16
GPIO3
H16
GPIO4
F17
GPIO5
F16
GPIO6
R8
GPO1
R9
GPO2
L17
INT_N
E12
ONKEY_N
C
2
0
5
C
4
3
6
0
0
5
C
O
S
C
4
0
0
C435
6
0
1
9
R
5
8
R
0
2
5
R
4
2
4
C
C
4
3
1
2
1
4
R
R413
C
4
3
0
4
1
4
R
R
4
1
1
6
0
4
C
0
4
C
7
C
4
4
5
C437
1
0
R
2
4
1
P
3
T
0
0
4
P
T
2
1
2
R
R
2
1
4
2
3
2
2
4
4
C
C
9
1
2
C
32KHZ_DIGIT
VDD_IO_LOW_1.8V
SIM_OFF
GSM_REF_OUT
G2_REF_ON
DVM2
C304
3
0
3
C
L300
C
3
0
7
0
1
3
C
C
3
1
4
C
3
1
5
R202
C
R
2
2
0
0
4
3
R200
C
R
2
2
0
0
3
1
C
8
1
2
C211
R100
5
1
0
C
R411
ISET
0
3
0
R
0
3
0
C
1
3
0
C
0
C
2
1
0
1
6
U
T
N
I
V
C432
VHIGH_3.3VVHIGH_3.3V
R412
R413
IT_PMU
KEY POWER ON
BAT400
C434
C435
U500
0
1
3
1
1
3
L303
1
0
3
C306
3
L
2
0
U
3
0
1
C319
L305
2
4
1
C
0
2
1
0
2
9
C
U
2
0
1
8
1
1
L
6
7
3
3
1
1
8
C
C
0
2
C
9
1
2
C
C
2
3
1
C
L107L113
5
6
2
2
1
1
4
5
C
C
3
3
1
1
C
C
3
7
8
1
1
2
C
C
C418
C419
C420
C421
C422
C423
C424
C425
C426
C427
C428
C429
C430
C431
RST
TAC800
R
C302
C
9
0
3
C
L
C
3
0
5
C308
L304
1
4
1
BOTH102BOTH103
2
1
3
C
3
1
3
C
0
5
2
1
2
2
C
R
P
A
M
1
0
0
C
7
9
1
1
1
1
0
2
1
C
C119
A
1
T
0
0
9-9
SAMSUNG Proprietary-Contents may change without notice
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Page 10
Flow Chart of Troubleshooting
9-1-5.
Microphone Part
Microphone does not work
Check the connection
from MIC
Check the circuit
from UCP500 to MIC
Yes
Yes
Yes
No
No
Reconnect MIC
Resolder the R601, R604, C623, C624, C625,
C626
Check the MIC
Yes
END
No
Replace the MIC
9-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 11
Flow Chart of Troubleshooting
C
4
3
9
C
7
Close to MCP
MIC_BIAS
MIC600
L
6
0
2
0
0
6
C
R
6
0
4
Close to MIC FPCB PAD
L603
3
3
0
0
6
6
0
0
2
2
1
1
0
0
6
D
Z
C626
1
0
6
D
Z
C623
1005
1005
L604
S
6
6
4
0
1
1
C
R
1
1
6
C
M
O
D
C
6
0
2
R
6
0
2
C608
C603
C
C
6
6
0
0
4
9
0
0
6
R
7
0
6
C
C605
1
0
2
C
1
C
C
4
3
5
1
0
6
R
1
0
0
0
1
C521
C
R
0
5
R
4
5
5
1
1
6
5
R
6
0
1
1
0
6
C
8
1
6
C
C
6
1
7
0
1
6
U
C
6
2
0
C
1
4
4
C
5
0
7
C
C
3
6
6
1
1
1
6
4
2
C
C
5
4
9
0
0
0
9
5
5
C
R
0
5
6
R
6
0
6
R
ZD
C610
C
C
6
6
1
2
5
1
C
6
6
1
1
6
9
C
C51
C
C
R
5
5
5
0
0
8
8
0
0
2
0
5
5
5
5
C
R
3
3
0
0
6
6
0
0
C624
C625
ZD102
Z
D
1
0
1
A
N
T
1
0
2
R600
3
0
6
0
6
5
3
0
6
0
0
M
O
D
1
0
1
0
0
C600
5
0
0
1
C601
0603
0603
3
0
6
0
3
9
1
C
C122
2
1
1
L
F
1
0
1
1
C
1
0
9
P
T
C112
P
T
C607
R101
3
0
6
0
1
2
0
1
P
T
0
8
R
C107
0
1
1
C
1
2
1
C
6
1
2
C
0
0
1
P
T
R102
1
1
1
C
MIC_P
C605
MIC_N
0
0
8
R
C625
4
0
6
3
1
0
R
L
6
1
3
ZD601
C
3
0
3
U
2
0
3
U
3
0
6
C624
L
C623
C626
0
0
6
D
Z
L
L
6
6
0
0
5
6
2
3
0
0
6
6
D
D
Z
Z
R601
R604
C118
C
1
4
7
5
4
0
0
1
1
R
R
SC101
9-11
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 12
Flow Chart of Troubleshooting
9-1-6.
Speaker Part
Speaker does not work
Yes
U610 pin C3 = H
Yes
C506 = 2.6V ?
Yes
C507 = VDD/2
No
Resolder or replace U701
No
Replace UCP500
No
Replace UCP500
Yes
Is Speaker working?
Yes
END
No
Change the Speaker
9-12
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 13
Flow Chart of Troubleshooting
VDD
EAR1
EAR2
EARSPK_L
EARSPK_R
SPK_P
SPK_N
C617
LIN1
LIN2
RIN1
RIN2
HPOUTL
HPOUTR
SPOUT+
SPOUT-
RECV+
RECV-
VBATT_4.2_3.3V
5
B
D
D
V
A
U610
YDA158-PZE2
D
D
D
N
N
N
G
G
G
P
D
A
C
4
1
1
C
A
C
C611
5
0
0
1
1
4
F
E
D
D
D
D
V
V
P
P
S
H
REFCP
REFHP
PROTN
D
N
G
C
C
P
N
N
S
5
2
1
F
MIN+
_RST
VREF
VREG
C612
1005
A4
B4
C614
MIN-
CP+
CP-
CAP
SCL
SDA
1005
C2
C615
1005
D2
D1
E2
C3
D3
D5
C5
A5
B1
D4
06031005
C619 C620
EAR1
EAR2
AMP_ON
SCL1
SDA1
1005
C621
VDD_IO_HIGH_2.9V
C610
5
0
0
1
C613
C616
R605
R606
5
0
0
1
C618
5
0
0
1
B3
1005
B2
A3
1005
A2
1005
F2
1005
F1
E4
E5
E3
F3
AVDD_HFA_2.6V
C506
VDD_IO_HIGH_2.9V
VDD_IO_LOW_A_1.8V
C507
2
1
F
C
C
E
N
N
R
V
VDD_SIM_3.0V
V
6
.
2
_
D
D
V
A
3
9
7
1
1
1
1
1
1
W
P
U
N
F
R
O
B
E
P
B
V
1
R
V
D
E
D
D
D
D
D
D
V
D
V
V
V
4
2
1
1
6
G
R
P
1
E
D
D
V
1
B
B
B
Y
A
A
A
5
5
4
E
E
E
D
D
D
D
D
D
V
V
V
VDD_IO_HIGH_2.9V
VDD_USB_3.3V
3
1
1
8
2
P
F
M
Y
3
2
2
2
E
E
E
E
D
D
D
D
D
D
D
D
V
V
V
V
VDD_IO_LOW_A_1.8V
2
1
1
9
2
U
D
U
U
1
1
1
2
1
E
E
E
E
E
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
9-13
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
VDD_PLL_1.2V
AVDD_2.6V
8
0
5
C
0
3
7
2
2
6
2
T
1
E
D
D
V
7
0
1
1
2
2
2
2
P
1
E
D
D
V
B
A
E
L
K
A
1
1
1
1
1
E
D
D
V
E
E
E
E
D
D
D
D
D
D
D
D
V
V
V
V
6
2
9
1
1
2
1
T
L
A
U
K
K
U
C
C
C
L
G
D
D
D
C
C
D
D
D
D
D
V
V
V
D
D
V
V
Page 14
Flow Chart of Troubleshooting
D
0
0
BOTH105
C
1
4
5
C521
4
0
1
0
2
C
C
1
1
0
0
0
1
R
C
R
5
5
5
1
1
5
6
C
6
1
7
1
6
U
C
6
2
0
C
1
4
4
C
6
1
2
C
5
0
7
C
3
6
1
1
6
4
C
C
C
5
9
0
0
9
5
R
C
5
5
4
0
0
0
8
5
5
C
U
C
P
5
0
0
C
6
0
2
R
3
6
0
0
6
2
R
C608
L
6
0
C603
2
C
C
6
6
0
0
4
9
0
0
R
6
6
0
0
0
C
1
6
R
R
6
1
7
0
0
0
4
6
6
C
C
C605
R
5
1
3
1
1
5
R
C515
C514
C519
C501
3
0
5
C
C
5
0
6
C513
C511
C510
C610
C
C
6
6
2
1
1
5
R
5
1
4
U410
R
5
0
VR500
TP702
TP502
0
1
R
0
5
R
5
0
2
0
1
7
R
5
1
7
C
1
1
7
R
7
1
5
C
3
0
R
5
0
1
R
5
T
P
5
0
3
TP501
C
2
0
C
5
4
3
6
0
0
C
5
O
S
C
4
0
9
3
C
6
1
6
C
R
5
0
5
4
6
C
1
9
C512
0
8
2
0
5
5
C
R
0
0
5
Q
9-14
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 15
Flow Chart of Troubleshooting
9-1-7.
Receiver Part
Receiver does not work
C800 C801 = 'H'?
Is Receiver working?
Yes
No
Resolder UCP500 or change PBA
Yes
No
Replace the Receiver
Yes
END
9-15
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Page 16
V
H
KEY_ROW(3)
R
KEY_ROW(4)
KEY_ROW(5)
KEY_POWER_ON
LCD_DIM
LCD_D0
LCD_D2
LCD_D4
LCD_D6
LCD_D8
LCD_D10
LCD_D12
LCD_D14
L_CS1
L_WR
L_RS
CIF_CAM_RST
CAM_HSYNC
CAM_VSYNC
CAM_PCLK
CAM_Y(0)
CAM_Y(2)
CAM_Y(4)
HFR1
HFR2
C800
R805
R804
C801
C808
6
ZD801
Flow Chart of Troubleshooting
VBATT_4.2_3.3V
VDD_KEY_LED_3.3V
VDD_IO_LOW_A_1.8V
HEA800
33
11 11 12
15 15 16
19
21 22
23
25 26
27
29
31
35
39
43
47
49
51 52
53
55 56
57
59
61
63 64
65
C805
1
3
4
5
2
6
0
8
D
Z
C806
C807
67 68
69
11
55
99
13131414
1717
19
21
23 2 4
25
27 2 8
29
313232
333334
353636
373738
39
414142
43
454546
474848
49
51
53 5 4
55
57
59
61 6 2
63
65
67
697770
C
C
N
N
2
1
7
7
2
4
6
8
10
18
20
22
26
30
40
44
50
52
56
58
60
64
66
68
C
C
N
N
3
4
7
7
VBATT_4.2_3.3V
2
4
6
8
10
12
16
18
20
24
28
30
34
38
40
42
44
46
50
54
58
60
62
66
70
C809
DD_IO_
C8
Z
D
8
0
HEA800
C
8
0
7
9
0
8
C
5
0
7
R
3
2
7
C
C724
U708
C
R
8
4
0
0
8
3
R
5
8
0
0
2
8
R
Z
D
8
0
1
2
5
7
C
0
6
8
0
8
C
C
8
D
Z
8
0
1
3
0
8
D
Z
6
7
0
C
C
8
8
0
0
4
0
C
BOTH100
2
9-16
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Page 17
Flow Chart of Troubleshooting
9-1-8.
Headset Part
Speaker does not work
U610 pin F1, F2 = 'H'?
U610 pin A3, B3 = 'H'?
U707 pin B3, C4 short?
Yes
No
Resolder U610
Yes
No
Resolder U610
Yes
No
Resolder U707
Yes
Is Earphone working?
Yes
END
No
Change the Earphone
9-17
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Page 18
R702
EARSPK_L
0
C
EARSPK_R
EARSPK_L
EARSPK_R
SPK_P
SPK_N
L703
L704
C705C704
EAR1
EAR2
C719
C720
USB_D-
USB_D+
C613
C616
R605
USB_DM
USB_DP
Flow Chart of Troubleshooting
5
1
4
E
F
B
D
D
D
D
D
D
V
V
V
P
P
A
S
H
B3
LIN1
B2
LIN2
A3
RIN1
A2
RIN2
F2
HPOUTL
F1
HPOUTR
E4
SPOUT+
E5
SPOUT-
E3
RECV+
F3
RECV-
1
5
D
A
S
U
B
C1
V
D-
B1
D+
B5
DM
C5
DP
U707
B4
MIC
B3
SPKR_L
C4
SPKR_R
D4
VIDEO
C3
VID_L
D3
VID_R
D
N
G
5
1
E
D
D
V
C
N
2
A
O
I
D
D
V
I2C_SCL
I2C_SDA
C
N
2
D
N
G
A
INTB
ISET
IDBP
BOOT
U610
D
D
D
N
N
N
G
G
P
G
C
D
E1
RXD
E2
TXD
A4
OUT
C2
B2
A1
A3
D2
E3
E4
JIG
D5
ID
P
S
R718
C
C
N
N
R704
MIN+
MIN-
CP+
CP-
REFCP
REFHP
_RST
CAP
SCL
SDA
VREF
VREG
PROTN
TP702
A4
B4
C2
D2
D1
E2
C3
D3
D5
C5
A5
B1
D4
R703
R717
RXD1
SCL1
SDA1
USB_SW_INT
ISET
AUX_ON
USB_ID
AUX_ON_JTAG
TXD1
T
P
0
0
7
T
P
7
0
1
C
7
0
1
0
0
1
7
0
7
A
C
R
7
T
0
1
5
7
0
Z
I
F
C
7
0
0
C
1
6
4
M
O
D
1
C
6
0
0
2
2
C
R
1
C
C
4
3
5
6
0
2
C608
L
6
0
C603
2
1
1
0
0
0
6
1
0
R
C521
D
2
0
7
F700
L
3
C
0
Z
D
7
0
1
5
0
7
L
6
C
1
4
4
7
L
7
0
1
R
1
0
1
1
6
C
8
1
6
C
C
6
1
7
C
6
2
0
C
6
1
2
R
R
R
R
7
5
7
5
2
4
1
0
0
0
0
0
7
6
3
7
7
7
R
R
7
L704
C
7
7
0
0
7
4
D
Z
0
R
6
5
0
0
1
6
U
C
3
6
1
1
4
6
C
0
0
7
R
T
A
7
0
7
0
U
0
0
7
3
L
R718
C
C
C
7
7
7
2
0
R
7
0
6
1
6
C
1
0
1
2
7
5
9
C
O
M
T
O
SC103
6
0
6
R
ZD706
C610
C
6
1
5
C
6
1
9
U
7
C716
1
R
7
1
5
2
4
3
4
C
C
6
2
1
U410
9
3
4
C
C512
R
5
1
4
R
5
0
1
R
5
0
0
0
5
R
8
1
1
6
R
5
5
R
7
1
U712
R
R
7
7
1
1
3
4
C709
C707
3
0
8
F
9
C
7
2
2
1
7
8
C
2
7
C
9
R
1
7
1
7
C
2
7
0
8
C
0
7
8
A
2
1
7
R
E
2
R
0
7
H
0
C
1
7
R707
R
7
1
1
1
5
7
C
BAT4
C
4
3
4
C
7
2
6
0
3
7
D
Z
9-18
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Page 19
Flow Chart of Troubleshooting
9-1-9.
Camera Part
Camera function does not work
Check camera FPCB and connector
YES
C724 = 2.8V ?
C725 = 1.8V ?
C712 = 2.8V ?
YES
NO
NO
Re-connect the camera FPCB
Check U708, U712
Check input signals at
F803, F100
YES
Replace the New Camera & END
NO
Check the F803, F100
9-19
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Page 20
Flow Chart of Troubleshooting
CAM_PWR_EN
Y(0)
Y(1)
Y(2)
Y(3)
Y(4)
Y(5)
Y(6)
Y(7)
R705
VBATT_4.2_3.3V
C723
F803
1
F1
2
F2
3
F3
4
F4
5
F5
6
F6
7
F7
8
F8
17
1
2
3
F1
F2
F3
F4
F5
F6
F7
F8
D
N
G
U708
VOUT2
EN2
VIN5VOUT1
D
EN1
N
G
7
16
15
14
13
12
11
10
9
VSS
6
4
CAM_Y(0)
CAM_Y(1)
CAM_Y(2)
CAM_Y(3)
CAM_Y(4)
CAM_Y(5)
CAM_Y(6)
CAM_Y(7)
CAM_AVDD_2.8V
C724
CAM_DVDD_1.5V
C725
CAM_PWR_EN
CAM_Y(7)
CAM_Y(6)
CAM_Y(5)
CAM_Y(3)
CAM_Y(1)
CAM_Y(0)
CAM_Y(2)
CAM_Y(4)
VBATT_4.2_3.3V
C706
F100
CM1430-08DE
1
F1
2
F2
3
F3
4
F4
5
F5
6
F6
7
F7
8
F8
U712
4
VIN
32
EN
GND
VOUT
GND
1
5
16
F1
15
F2
14
F3
13
F4
12
F5
11
F6
10
F7
9
F8
D
N
G
17
CAM_IOVDD_2.8V
C712
Y(7)
Y(6)
Y(5)
Y(3)
Y(1)
Y(0)
Y(2)
Y(4)
Z
D
8
0
HEA800
C
R
5
8
8
7
0
C
8
4
0
0
0
0
2
8
8
3
C
C
8
8
0
0
6
5
1
F800
Z
D
8
F
0
8
0
0
9
ZD805
0
8
C
C724
0
R
2
8
R
5
0
7
F
8
0
2
U708
3
2
7
C
R
R
Z
D
8
0
1
2
5
8
1
R
5
R
R
7
7
1
1
3
4
C709
C707
3
0
8
F
C
C
C
6
8
Z
D
0
8
8
8
0
8
C
7
C
6
1
5
R
1
0
8
A
E
H
8
0
0
0
1
0
4
3
0
8
D
Z
7
0
C
6
7
1
R
5
U712
2
C
9
7
2
1
7
8
2
7
C
C
9
1
7
R
7
2
7
C
8
0
7
C
1
R
2
7
C
2
7
0
R
4
3
4
0
1
7
C
C
7
R707
2
6
R
7
1
1
1
5
7
C
2
BOTH100
BAT400
3
0
7
D
Z
0
0
0
1
C
0
0
1
C104
U
0
0
1
F
9-20
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Page 21
Flow Chart of Troubleshooting
RF
9-2.
9-2-1.
**
GSM900 Receiver
If you check the rx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Continuous RX ON
RF Input
AMP
:-50
:62
dBm
CH
NORMAL CONDITION
Catch the channel
YES
Check C104
MOD100 Check
Pin#
1,2≥-55
U201
Pin#A2,A3
≥
?
YES
YES
Check
≥
-55
-55
dBm
dBm
dBm
NO
?
NO
NO
?
NO
?
Check antenna contact
Replace RFS
Replace MOD10
Check the path from
MOD100 to
100
U201
0
YES
THE END
9-21
SAMSUNG Proprietary-Contents may change without notice
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Page 22
Flow Chart of Troubleshooting
XRXRX
RFS100
A
C
G
48
C103
1
G
2
3
4
C106
10
TD-SCDMA_B1|B2-TX
22
EGSM-TX
20
DCS|PCS-TX
15
VC1
16
VC2
17
VC3
9
D
N
G
1
1
2
1
T
N
A
MOD100
D
D
N
N
G
G
4
3
1
1
8
1
D
D
V
TD-SCDMA_B1-RX
TD-SCDMA_B2-RX
D
D
D
D
N
N
N
N
G
G
G
G
9
1
3
1
2
2
EGSM_RX1
EGSM_RX2
DCS_RX1
DCS_RX2
PCS_RX1
PCS_RX2
D
N
G
4
2
7
8
1
2
3
4
5
6
C138
C125
C126
L107
LCR_RXH
LCR_RXL
GSM_RX_N
GSM_RX_P
C134
DCS_RX_N
L101
C104
C127
C135
L113
DCS_RX_P
R
0
0
2
1
0
2
R
2
0
2
R
3
0
2
R
3
0
2
C
G4
G3
7
F
E
C
1
D
D
V
7
D
D
V
2
1
3
D
D
V
G1
BIP
BIN
BQN
G2
C
BQP
4
0
2
GSM_TX
DCS_TX
PCS_RX_P
PCS_RX_N
GSM_RX_P
A3
A6
A7
RFIEP
RFIPN
D7
B7
RFOL
RFOH
RFIPP
I
G
D
A
G
G
G
G
G
G
G
2
B
D
A
B
3
D
N
4
B
D
N
5
B
D
N
3
C
D
N
4
C
D
N
5
C
N
D
3
D
D
N
B1
DCS_RX_P
DCS_RX_N
A1
A4
RFIAP
RFIAN
RFIDN
U
A5
2
A2
RFIDP
0
GSM_RX_N
RFIEN
1
9-22
SAMSUNG Proprietary-Contents may change without notice
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Page 23
Flow Chart of Troubleshooting
C
1
0
3
R202
C
R
2
2
0
0
4
3
R200
C
R
2
2
0
0
3
1
8
1
C
2
C211
R100
C
1
0
5
U103 U104
4
1
2
C
1
2
C
3
P
A
M
1
U
2
0
1
C
0
2
1
0
2
9
C
0
8
1
1
L
5
7
0
C
2
1
1
U
8
0
0
6
2
C
6
3
3
3
1
1
1
C
C
C
C
7
1
2
9
L107L113
6
5
2
2
1
4
3
1
C
1
2
C
1
C
C
1
3
C
8
C131
0
4
1
1
C
7
9
1
1
1
1
L
C
C321
C
1
0
6
0
2
0
6
3
3
L
0
0
3
A
T
C
0
0
0
0
1
D
O
M
3
3
0
1
2
1
2
C
8
7
1
1
3
3
C
C
M
A
P
4
0
1
C
L101
L
0
3
1
C
C132
3
C
1
0
1
2
6
1
1
1
C
L
0
0
1
S
F
R
9-23
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Page 24
Flow Chart of Troubleshooting
9-2-2.
**
DCS1
If you check the tx chain,
800
Receiver
Check the not only RF Device but also resistor, inductor and capacitor.
Continuous RX ON
RF Input
AMP
NORMAL CONDITION
NORMAL CONDITION
Catch the channel ?
Catch the channel
Check C104
: 650
:-50
?
dBm
YES
≥
YES
-55
CH
?
dBm
NO
NO
Check antenna contact
Replace RFS100
MOD100
Pin#
3,4≥-55
Pin#A4,A5
THE END
U201
≥
YES
-55
YES
dBm
dBm
NO
?
NO
?
Replace MOD100
Check the path from
MOD100 to
U201
9-24
SAMSUNG Proprietary-Contents may change without notice
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Page 25
Flow Chart of Troubleshooting
9-2-3.
**
PCS1900 Receiver
If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Continuous RX ON
RF Input
AMP
:-50
NORMAL CONDITION
NORMAL CONDITION
Catch the channel
Catch the channel ?
Check C104
?
: 661
dBm
YES
≥
YES
-55
CH
dBm
NO
?
NO
Check antenna contact
Replace RFS100
Check MOD100
Pin
#5,6≥-55
U201 Check
Pin#A6,A7
dBm
-55
THE END
YES
YES
dBm
≥
?
?
NO
NO
Replace MOD100
Check the path from
MOD100 to
U201
9-25
SAMSUNG Proprietary-Contents may change without notice
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Page 26
Flow Chart of Troubleshooting
9-2-4.
**
GSM900 Transmitter
If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Tx ON
Level
(
battery voltage
U201
Pin#D7
PAM100 Check
Pin
MOD100 Check
Pin
#22≥29
:5)
Check
≥
YES
#5≒6
YES
YES
:3.8V
dBm
6
dBm
dBm
NO
?
NO
?
NO
?
Check the
Check the path from
U201
Check the path from
PAM
100
U201
to PAM100
to MOD100
RFS100 Check
1 ≥
Pin
#
28.5
RFS100 Check
Pin#
2≥28.5
THE END
YES
YES
dBm
dBm?
?
NO
NO
Check the path from
RFS100 to MOD100
Resolder or Change RFS100
9-26
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Page 27
Flow Chart of Troubleshooting
C
2
1
2
VBATT_4.2_3.3V
C119
8
7
1
1
1
2
T
T
T
T
A
5
GSM_IN
4
DCS|PCS_IN15DCS|PCS_OUT
1
BS
2
EN
A
B
B
GSM_OUT
V
V
PAM100
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
4
1
2
9
0
8
7
6
1
1
1
1
VRAMP
VDET
MODE
D
N
G
6
1
1
2
C120
D
N
G
13
3
19
20
ANT100
TA100
RAMP
MODE_SELECT
ANT101
3
3
2
2
1
1
3
3
2
2
1
1
C149
L121
C102
C148
C103
L101
RFS100
C
A
1
2
C104
G
G
4
3
VDD_RX_TX_2.8V
L103
C130
2
C117
C116
C114
L119
L120
C113
VDD_RX_TX_2.8V
R100
PA_OUT
C106
10
22
20
15
16
17
TD-SCDMA_B1|B2-TX
EGSM-TX
DCS|PCS-TX
VC1
VC2
VC3
D
D
N
N
G
G
1
9
1
1
T
N
A
MOD100
D
N
G
3
4
1
1
8
1
D
D
V
D
D
N
N
G
G
9
1
TD-SCDMA_B1-RX
TD-SCDMA_B2-RX
EGSM_RX1
EGSM_RX2
DCS_RX1
DCS_RX2
PCS_RX1
PCS_RX2
D
D
D
N
N
N
G
G
G
1
3
4
2
2
2
7
8
1
2
3
4
5
6
C138
C127
C129
C125
C126
C134
C135
C136
C137
L107
L113
L118
LCR_RXH
LCR_RXL
GSM_RX_N
GSM_RX_P
DCS_RX_N
DCS_RX_P
PCS_RX_N
PCS_RX_P
0
5
2
1
2
2
C
R
1
2
C
7
D
4
1
2
C
3
L107L113
6
5
2
2
1
1
4
C
C
3
1
C
8
1
1
2
3
C
C
O
M
0
3
L
1
0
3
1
C
C131
C132
P
A
M
1
0
0
4
1
1
C
7
9
1
1
1
1
L
C
C
1
0
1
2
6
1
3
1
1
C
L
0
0
1
S
F
0
2
1
C
C119
1
0
A
0
T
R
BOTH104
R202
C
R
2
2
0
0
4
3
R200
C
R
2
2
0
0
3
1
8
C
2
1
C211
R100
0
5
1
U103 U104
0
0
3
A
T
8
7
1
1
3
3
C
C
C
0
2
1
0
2
9
U
2
0
1
0
C
2
8
1
C
0
0
1
6
2
C
U
C321
C
1
0
6
0
2
0
6
3
3
L
C
0
0
3
M
A
P
C
8
1
1
L
5
6
7
3
3
3
1
1
1
C
C
C
1
2
C
9
0
1
0
0
C
4
1
L101
9-27
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Page 28
Flow Chart of Troubleshooting
9-2-5.
**
DCS1
If you check the tx chain,
Transmitter
800
Check the not only RF Device but also resistor, inductor and capacitor.
Tx ON
Level
(
battery voltage
U201
Pin#B7
PAM100 Check
Pin
#4≒6
MOD100 Check
Pin
#20≥27
:0)
Check
≥
dBm
6
YES
YES
YES
:3.8V
dBm
dBm
?
?
?
NO
NO
NO
Check the
Check the path from
U201
Check the path from
PAM
100
U201
to PAM100
to MOD100
RFS100 Check
1≥
Pin
#
RFS100 Check
Pin#
2≥26.5
THE END
26.5
YES
YES
dBm
dBm?
?
NO
NO
Check the path from
RFS100 to MOD100
Resolder or Change RFS100
9-28
SAMSUNG Proprietary-Contents may change without notice
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Page 29
Flow Chart of Troubleshooting
9-2-6.
**
PCS1900 Transmitter
If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Tx ON
Level
(
battery voltage
U201
Pin#B7
PAM100 Check
Pin
#4≒6
MOD100 Check
Pin
#20≥27
RFS100 Check
Pin
#1≥26.5
:0)
Check
≥
6
YES
dBm
YES
dBm
YES
:3.8V
dBm
?
?
dBm
NO
NO
NO
NO
?
Check the
Check the path from
U201
Check the path from
PAM
100
Check the path from
RFS100 to MOD100
U201
to PAM100
to MOD100
RFS100 Check
Pin#
2≥26.5
THE END
YES
dBm?
YES
NO
Resolder or Change RFS100
9-29
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Page 30
Flow Chart of Troubleshooting
9-2-7.
**
TD-SCDMA Receiver
If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Continuous RX ON
RF Input
Catch the channel
MOD100 check
Pin #7,8≥
Pin #G1,H1 ≥
: 10087
AMP
:-50
NORMAL
CONDITION
?
YES
C104
≥
dBm
-65
YES
-65
YES
U301 check
dBm
-65
YES
Bm
?
dBm
?
CH
?
NO
NO
NO
NO
Check antenna contact
Resolder RFS
Replace MOD100
Check the path from
MOD100 to
100
U301
THE END
9-30
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Page 31
Flow Chart of Troubleshooting
RX
TX
IP
V
D
D
3
K
5
GSM_TX
DCS_TX
BAND_SEL
PON_PA
ANT100
3
2
1
ANT101
3
3
2
1
3
2
2
1
1
L121
C148
C149
C102
RFS100
C
A
G
G
1
2
3
4
C103
C104
L101
VDD_RX_TX_2.8V
VBATT_4.2_3.3V
C120
C119
7
8
1
1
2
1
T
T
T
T
A
C123
C124
A
5
B
B
GSM_IN
4
DCS|PCS_IN15DCS|PCS_OUT
1
BS
2
EN
GSM_OUT
V
V
PAM100
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
8
7
9
6
2
4
0
1
1
1
1
1
D
N
G
VRAMP
VDET
MODE
D
N
G
6
1
D
N
G
1
2
13
3
19
20
TA100
RAMP
MODE_SELECT
C117
C116
C114
L119
L120
C113
PA_OUT
C106
10
TD-SCDMA_B1|B2-TX
22
EGSM-TX
20
DCS|PCS-TX
15
VC1
16
VC2
17
VC3
L103
C130
2
8
1
1
T
D
N
D
A
V
7
TD-SCDMA_B1-RX
8
TD-SCDMA_B2-RX
1
EGSM_RX1
2
EGSM_RX2
MOD100
D
D
D
N
N
N
G
G
G
4
3
1
9
1
1
1
3
DCS_RX1
4
DCS_RX2
5
PCS_RX1
6
PCS_RX2
D
D
D
D
D
N
N
N
N
N
G
G
G
G
G
4
1
3
9
2
2
2
1
C125
C138
C126
C134
C127
LCR_RXH
LCR_RXL
GSM_RX_N
L107
GSM_RX_P
DCS_RX_N
L113
_
_
RX_TX_QN
0
2
R
G1
G2
G3
G4
BIP
BIN
BQN
L
A
RX_TX_QP
3
0
2
2
R
C
4
0
2
1
0
1
6
1
3
6
5
1
1
1
J
L
K
K
A
G
B
K
A
6
1
6
0
5
J
O
P
K
K
1
O
L
I
_
_
_
D
_
B
_
C
G
D
I
3
D
D
_
D
G
D
I
D
D
D
D
D
V
V
D
D
V
V
D
GSM_TX
DCS_TX
PCS_RX_P
DCS_RX_P
DCS_RX_N
B1
A1
A4
A5
BQP
RFIAP
RFIDP
RFIDN
RFIAN
2
U
PCS_RX_N
GSM_RX_P
GSM_RX_N
D7
A2
A3
RFIEN
0
1
B7
A6
A7
RFOL
RFIEP
RFOH
RFIPP
RFIPN
2
B
I
D
G
D
A
A
3
B
D
G
N
4
B
D
G
N
5
B
D
G
N
3
C
D
G
N
4
C
D
G
N
5
C
G
D
N
3
D
D
G
N
4
D
G
D
N
5
D
D
G
N
3
E
G
N
D
4
E
D
G
N
5
E
G
N
D
D
V
D
V
301
D
D
V
V
RXQM
RXQP
RXINHI1
RXINHI2
TXQM
TXQP
TXOUTHI1N
TXOUTHI1P
TXOUTHI2N
TXOUTHI2P
SYSCLKEN
SYSCLKIN
SYSCLKOUT
TESTPIN1
TESTPIN2
VLOOPFMAIN
VLOOPFRX2
L9
RXIM
L8
RXIP
K8
K7
G1
H1
C5
TXIM
A4
TXIP
A5
B5
C1
D1
A2
L302
A1
R300
K9
J10
J11
L3
L2
J7
J5
E11
CLK
E10
DR
C8
T|RN
F2
PATX
C308
REF26M_RF
512CLK
TX_RX_ABB
L303
L301
C311
C306
C305
C309
LCR_RXH
LCR_RXL
9-31
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Page 32
3
0
3
C
C
3
0
7
0
1
3
C
C
3
1
5
R202
R
C
2
2
0
0
3
4
R200
C
R
2
2
0
0
3
1
2
C
1
8
C211
R100
C
1
0
5
U103 U104
0
0
3
A
T
8
7
1
1
3
3
C
C
C304
L300
C
3
1
4
Flow Chart of Troubleshooting
R
3
0
1
C302
C
3
1
R
3
0
0
C
3
0
0
C
3
0
1
3
0
1
U
C
0
2
1
0
2
9
U
2
0
1
0
C
2
8
1
0
0
1
6
2
C
U
C321
C
1
0
6
0
2
0
6
3
3
L
C
0
0
3
M
A
P
C
8
1
1
L
7
6
5
3
3
3
1
1
1
C
C
C
C
1
1
2
2
7
9
D
1
0
0
C
1
0
4
L101
1
9
0
3
C
L303
0
1
L
3
C
3
0
2
5
1
C306
L
3
0
2
C319
L305
4
C
1
2
C
1
2
3
L107L113
6
5
2
2
1
1
4
C
C
3
1
C
C
C
1
3
8
O
M
L
1
0
3
0
3
1
C
3
C
C308
L304
3
1
3
C
C
1
1
4
C131
C132
1
3
C
1
0
0
1
S
F
R
P
A
M
1
0
0
7
9
1
1
1
1
L
C
C
1
0
1
2
6
1
L
BOTH102
0
5
2
1
2
2
C
R
0
2
1
C
C119
T
1
0
A
0
BOTH104
9-32
SAMSUNG Proprietary-Contents may change without notice
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Page 33
Flow Chart of Troubleshooting
9-2-8.
**
TD-SCDMA Transmitter
If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Tx ON
CLASS
(
U301 check
Pin #C8 ≥ 300mV
U301 check
Pin #C1 ≥
≥15dBm
YES
YES
C319
YES
2)
dBm
3
NO
NO
NO
Resolder or Replace U301
Resolder or Replace U301
Resolder or Replace PAM300
MOD100
Pin#12
C104 check
CHECK RFS100
≥ 15dBm
YES
≥ 15dBm
YES
THE END
NO
NO
Resolder or Replace MOD100
Resolder or Replace C104
9-33
SAMSUNG Proprietary-Contents may change without notice
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Page 34
Flow Chart of Troubleshooting
_
V
A
RFS100
1
6
D
D
D
4
5
5
V
V
V
L
B
K
_
_
_
3
3
3
D
D
D
D
D
D
V
A
C
G
C148
C103
L101
G
1
2
3
4
C104
V
V
U301
VDD_RX_TX_2.8V
L103
C130
8
TD-SCDMA_B1|B2-TX
EGSM-TX
DCS|PCS-TX
VC1
C2
TA300
2
1
C317
1005
T
N
A
MOD100
C319
1
5
0
0
1
D
D
V
TD-SCDMA_B1-RX
TD-SCDMA_B2-RX
VBATT_4.2_3.3V
7
8
1
EGSM_RX1
2
EGSM_RX2
3
DCS_RX1
4
DCS_RX2
5
PCS_RX1
6
PCS
RX2
PAM300
VBATT
2
RFIN RFOUT
3
VMODE2|NC
4
VMODE1
5
VEN
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
C318
5
0
0
1
C32
011
VCC
9
1005
8
GND
7
GND
6
GND
D
N
G
1
1
2
7
1
1
2
3
C
C
C106
10
22
20
15
16
PATX
LCR_PA_HG1
PAEN1
0
J
P
O
1
O
I
_
D
B
C
G
D
I
_
D
G
D
I
D
V
D
V
D
D
D
D
D
V
D
V
V
D
D
D
D
D
N
N
N
N
N
G
G
G
G
G
C304
3
0
3
C
0
0
L300
0
0
C
3
0
7
0
1
0
1
3
C
C
3
1
4
C
3
1
5
R202
C
R
2
2
0
0
3
4
R200
C
R
2
2
0
0
1
3
C
2
1
8
C211
R100
C
0
1
5
U103 U104
0
0
3
A
T
8
1
3
C
6
K
K
_
_
D
D
D
D
V
V
O
O
2
C
I
C
G
G
I
I
D
3
D
D
D
D
D
N
N
N
N
G
G
G
G
3
R
3
C
3
C
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
1
U
2
0
1
0
C
2
8
1
0
0
1
6
2
C
U
C321
C
1
0
6
0
2
0
6
3
3
L
C
0
0
3
M
A
P
1
C
0
4
A
P
D
N
G
0
SYSCLKOUT
VLOOPFMAIN
VLOOPFRX2
A
A
P
P
D
D
N
N
G
G
3
7
3
1
C
C
1
9
2
0
L101
RXIM
RXIP
RXQM
RXQP
RXINHI1
RXINHI2
TXIM
TXIP
TXQM
TXQP
TXOUTHI1N
TXOUTHI1P
TXOUTHI2N
TXOUTHI2P
SYSCLKEN
SYSCLKIN
TESTPIN1
TESTPIN2
CLK
T|RN
BGMON
RESETN
6
L
_
D
N
G
U
C
0
2
1
0
2
9
C
8
1
1
L
6
3
1
C
0
1
L9
L8
K8
K7
G1
H1
C5
A4
A5
B5
C1
D1
A2
L302
A1
K9
J10
J11
L3
L2
J7
J5
E11
E10
DR
C8
F2
D9
1
NC
2
NC
1
1
L303
1
C306
L
3
0
2
C319
C308
R300
3
0
R
C302
3
C
1
9
0
3
C
3
L
0
C
3
0
5
C308
L304
L305
C
1
4
2
C
1
3
2
L107L113
6
5
2
2
1
1
5
4
C
C
3
3
1
1
C
C
1
C
C
2
3
1
7
8
D
O
M
L
1
0
3
0
3
1
C
C
1
1
4
C131
C132
1
3
C
1
2
1
3
C
3
1
3
C
0
0
1
S
F
R
P
A
M
1
0
0
7
9
1
1
1
1
L
C
C
1
0
1
2
6
1
L
PATX
REF26M_RF
512CLK
TX_RX_ABB
NRESET
BOTH102
0
2
2
C
A
1
0
0
L301
L303
C311
5
1
2
R
0
2
1
C
C119
T
BOTH104
9-34
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Page 35
Flow Chart of Troubleshooting
9-2-9
FM Radio
FM Radio does not work
Yes
Check the connection
with the Earphone.
Is it good?
Yes
Check
the MOD102 Pin #F6
to MOD102 Pin #E1
2.9V?
Yes
Check from C146
Is it OK?
Yes
No
No
No
Insert the Earphone
Check the Battery and near circuit
Check the path from IFC700 Pin #5
to MOD102 Pin #E1
Check the C100, C101.
Is there signal?
Yes
END
No
Replace the MOD102
or Resolder C100, C101
9-35
SAMSUNG Proprietary-Contents may change without notice
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Page 36
Flow Chart of Troubleshooting
S
+
6
D
SCL1
SDA1
32KHZ_DIGIT
R_ANT
USB_D-
SB_D
USB_ID
R_ANT
JIG_ID
VDD_IO_LOW_1.8V
C144
VDD_IO_HIGH_2.9V
C145
MOD102
C100
E6
AUDOL
AUDOR
BUSSEL1
BUSSEL2
GPIO1
GPIO2
AGND
DGND
RFGND
J
_
+
D
_
B
S
U
D6
C1
A1
F3
F5
F1
C6
D1
1
NC
2
NC
J
_
D
_
B
S
U
VBATT_4.2_3.3V
R106
C146
F6
VCC
B6
VDD
A6
VREFDIG
A3
SCL
A4
SDA
B1
SEN
F2
T_EN
A5
FREF
F4
INTX
E1
RFI
A2
RST
R701
L705
F700
C700
1
I|O_1
2
GND
3
I|O_24I|O_3
I|O_4
VCC|NC
6
5
L701
1
0
7
ZD705
TA701
D
Z
C101
USB_VBUS_5V_IF
8
0
7
D
Z
C701
AFR
AFL
USB_VBU
IFC700
1
1
2
2
3
3
4
4
5
5
6
S1
7
S2
8
NC
9
NC
10
NC
11
NC
12
NC
13
NC
1
0
8
H10
T
1
O
B
T
P
0
0
T
P
7
7
0
1
R
R
R
R
7
7
5
5
0
6
C
7
0
1
0
0
1
7
0
7
A
C
R
7
T
0
1
Z
D
7
0
I
F
C
7
0
0
5
2
0
7
F700
L
3
7
0
Z
D
7
0
1
5
0
7
L
C
L
7
0
1
2
4
0
1
0
0
0
3
7
7
7
7
R
R
7
L704
C
7
7
0
0
7
4
D
Z
0
0
0
7
R
T
A
7
0
0
7
U
0
L
7
0
3
R718
C
C
C
1
7
7
7
2
0
2
1
7
5
0
9
C
7
R
0
O
T
O
M
F
8
0
0
SC103
ZD706
U
7
C716
1
R
7
1
5
2
4
C
4
3
C
6
2
1
U410
9
3
4
C
C512
0
2
5
C
R
5
1
4
R
5
0
1
5
R
0
0
0
0
5
VR500
Q
TP702
1
1
C
R
4
0
6
6
6
C
1
M
O
D
1
C
6
0
0
2
2
C
R
1
C
C
4
3
5
6
0
2
C608
L
6
0
C603
2
C
6
0
4
0
0
6
0
1
1
0
0
0
6
1
0
R
C521
R
C
6
0
9
R
C
5
0
4
R
5
5
1
1
5
6
1
8
1
6
C
0
C
1
6
1
7
6
U
C
6
2
0
C
1
4
4
C
3
6
1
1
6
2
C
C
C
5
4
9
5
0
0
0
0
9
5
5
7
C
R
R
0
6
6
R
6
0
5
C610
C
6
1
5
C
C
6
6
6
1
1
1
6
4
9
C
C
C
R
5
5
5
8
0
0
0
0
8
5
5
5
R
9-36
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Page 37
Flow Chart of Troubleshooting
9-2-11
Bluetooth
Bluetooth does not work
Check the MOD101 Pin #A3
Yes
MOD101 Pin #D7,G1.
Is there voltage?
Yes
Is there signal, 26MHz ?
Yes
Check the MOD101 ALL
BT_TP
Is there signal ?
No
No
No
Check the MOD101
Check the TCX200
Check the path
from UCP500 to U100
Yes
Check the ANT102
Yes
END
No
Replace the ANT102
9-37
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Page 38
Flow Chart of Troubleshooting
3
A
1
C
0
BT_INT
32KHZ_DIGIT
RXD2
CTS2
TXD2
RTS2
R105
GSM_REF_OUT
GSM_REF_ON
BT_DD
BT_DU
BT_DCL
BT_FSC
TP105
TP106
R102
R103
TP100
TP102
C112
B4
C4
B5
C5
C6
E7
B7
D5
C7
G4
H2
H3
H4
G7
F6
F7
G6
H7
D6
E5
E6
VDD_BT_1.5V
VDD_IO_LOW_1.8V
R101
1
7
A
D
E
A
R
N
O
A
_
C
_
D
D
D
V
D
V
AIO0
PIO0
PIO1
PIO2
PIO3
PIO4
MOD101
PIO5
PIO7
PIO9
PCM_IN
PCM_OUT
PCM_CLK
PCM_SYNC
SDIO_DATA0|CSPI_MISO|UART_TX
SDIO_DATA1|CSPI_INT|UART_RTS
SDIO_DATA2|UART_RX
SDIO_DATA3|CSPI_CS#|UART_CTS
SDIO_CLKCSPI_CLK
SDIO_CMDCSPI_MOSI
SDIO_SD_CS#
CLK_32K
A
G
G
I
I
N
D
D
A
_
_
_
S
S
S
S
S
S
V
V
V
5
6
3
H
B
C
VDD_IO_LOW_1.8V
C107
C121
C111
BT_CLK
VDD_IO_LOW_1.8V
R104
C109
BT_RST
NT1
1
1
2
2
3
F100
5
BAL
UNBAL
BAL
7
C
G
N
3
46GG8
C118
1
2
DC
C139
VDD_BT_1.5V
C122
C150
C151
ZD101
L112
C110
1
6
7
H
G
A
S
S
O
I
D
D
D
A
A
A
P
P
R
_
_
_
D
D
H1
D
D
D
D
SPI_CLK
V
V
V
E4
SPI_CS#
F4
SPI_MISO
G2
SPI_MOSI
A5
VREGIN_H
B2
VREGIN_L
A4
VREGOUT_H
A6
VREGENABLE
E2
RF_N
F2
RF_P
A3
XTAL_IN
A2
XTAL_OUT
G3
RST#
B3
LO_REF
G5
TEST_EN
C2
N|CS
D2
N|CS
D4
N|CS
F5
N|CS
1
NC
N
2
E
O
I
E
NC
D
R
A
C
O
R
L
S
_
_
_
S
S
S
S
S
S
V
V
V
1
1
3
F
E
C
1
3
C
A
N
T
1
0
2
ZD102
Z
D
1
0
1
C118
C
1
4
7
9
1
0
0
M
O
D
1
0
1
6
0
T
1
P
5
4
0
0
1
1
5
0
T
1
R
P
R
C122
2
1
P
0
2
1
F
C
1
0
9
C112
T
1
L
C107
0
1
1
C
1
2
1
C
6
1
2
C
0
0
1
P
T
R102
1
1
1
C
R101
0
1
0
0
8
8
R
R
C625
4
0
6
0
3
R
1
6
1
3
ZD601
C
C624
L
C623
C626
3
0
3
U
2
0
3
U
3
0
6
L
0
0
6
D
Z
L
L
6
6
0
0
5
6
2
3
0
0
6
6
D
D
Z
Z
C
2
0
2
C20
9-38
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Page 39
Block Diagrams
7.
7-1.
Total Block Diagram
7-1
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Page 40
Base Band Solution Block Diagram
7-2.
Block Diagrams
7-2
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Page 41
PCB Diagrams
8.
MAIN Top
7-1.
8-1
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Page 42
MAIN Bottom
7-2.
PCB Diagrams
>
8-2
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