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SAMSUNG Proprietary-Contents may change without notice
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Flow Chart of Troubleshooting
7-4
R309
+VDD_IMAGE
4
U305
3
6
2
5
1
+VDD_IO_HIGH
R310
+VDD_IO_LOW
+VDD_IO_LOW
S_RST
LCD_RESET
S_RST_IMAGE
RSTON
USB Interface
JTAG
DAI & Bluetooth data Interface
R210
TP211
R201
R204
C210
TP222
+VDD_IO_LOW
+VDD_GSM_CORE
+VDD_IO_LOW
+AVDD
C206
TP224
C204
C216
TP209
C217
+VDD_IO_LOW
TP223
C202
+VDD_IO_HIGH_C
+VDD_GSM_CORE_C
+VDD_GSM_CORE_C
C218
R209
C213
+AVDD_HFA
+AVDD
+VDD_IO_HIGH
C214
+VDD_USB
C208
+VDD_IO_LOW
C205
R207
TP229
TP226
L200
C209
TP205
+AVDD_HFA
R215
+VDD_USB
C201
C212
TP225
0
R203
C203
+VDD_IO_HIGH
R202
R205
NC
+VDD_IO_HIGH_C
TP221
C207
TP227
TP228
+VDD_IO_LOW
R206
C211
TP204
V5
V
S
S
B
B
V
6
QP
V7
QN V8
V
S
S
A
4
V
9
TP220
V
1
4
H
D
P
1
0
V
1
5
CLK32O
V16
H
D
P
2
V
1
7
RFEN0
V18
GPIOA17
V2
GPIOA29
V3
GPIOA31
V4
GPIOA3
U7
IN
U8
V
S
S
C
L
K
U
9
GPIOB10
V1
MCLK
V10
AUXDAC3
V11
MICBIAS
V12
V
D
D
V
B
V
1
3
H
D
P
1
1
U16
SCL
U17
RFCLK1
U18
V
D
D
E
2
U
2
G
N
D
E
U
3
GPIOA6
U4
G
N
D
C
U
5
V
D
D
B
B
U
6
IP
T2
GPIOA13
U1
V
D
D
C
L
K
U
1
0
V
D
D
E
2
U
1
1
G
N
D
E
U
1
2
V
S
S
R
E
F
U
1
3
VREF
U14
H
D
P
0
U
1
5
RSTEXT
R5
GPIOA28
R6
V
D
D
C
R
7
AUXDAC2
R8
AUXDAC1
R9
GPIOA25
T1
V
D
D
E
2
T
1
7
V
D
D
E
2
T
1
8
GPIOA21
R
1
2
RFSIG0 R13
H
D
P
7
R
1
4
H
D
P
8
R
1
5
RFDO1
R17
G
N
D
E
R
1
8
GPIOA22 R2
GPIOB9
R4
GPIOA23
P5
GPIOA27
P6
GPIOB8
P7
GPIOA30
P8
GPIOA4
P9
GPIOB5
R1
V
D
D
R
E
F
R
1
0
RFSIG6
R11
G
N
D
C
P
1
2
V
S
S
A
5
P
1
3
H
D
P
9
P
1
4
H
D
P
1
P
1
5
G
N
D
E
P
1
7
H
D
P
5
P
1
8
G
N
D
E
P
2
G
N
D
E
P
4
GPIOA19
N
1
7
MICP
N18
V
D
D
E
2
N
2
V
D
D
E
2
N
4
T
X
D
1
N
5
GPIOA16
P1
GPIOA2
P10
RFSIG7
P11
V
D
D
C
M
4
GPIOA0
M5
GPIOA1
M7
GPIOA11 M8
V
D
D
E
1
M
9
GPIOA24
N1
SIMPWR
N14
H
D
P
1
2
N
1
5
H
D
P
3
M
1
0
RFSIG2
M11
RFSIG1
M12
SDA
M14
V
D
D
C
M
1
5
AUXMICP
M17
MICN
M18
G
N
D
C
M
2
V
D
D
C
L18
AUXADC5
L2
T
C
K
L
4
T
D
O
L
5
GPIOA18
L7
GPIOA15
L8
GPIOA26
L9
GPON1
M1
G
N
D
E
K
8
AUXADC4
L1
GPIOA10
L10
GPIOA5
L11
H
D
P
4
L
1
2
GPIOB11
L14
MCLKSEL
L15
AUXMICN
L17
ANR
K
1
4
EAR1
K15
V
S
S
V
B
O
K
1
7
ANL
K18
AUXADC3
K2
CS3
K4
T
M
S
K
5
GPIOA14
K7
N
C
J
2
GPIOA7
J4
BE1
J5
ADD0_BE0
J7
ADD1_BE2
J8
AUXADC2
K1
GPIOA20
K11
J
S
E
L
K
1
2
G
N
D
C
H
9
AUXADC1
J1
GPIOA12
J11
V
D
D
E
1
J
1
2
H
D
P
6
J
1
4
EAR2
J15
HFR1
J17
N
C
J
1
8
G
N
D
E
H
1
5
B
B
P
W
R
H
1
7
HFR2
H18
V
D
D
E
1
H
2
GPIOA8
H4
CS1
H5
ADV
H7
GPON0
H8
V
D
D
E
1
G7
IO8
G8
G
N
D
E
G
9
RESET
H1
G
N
D
E
H
1
0
USBDP
H11
V
D
D
E
4
H
1
2
V
S
S
V
B
H
1
4
V
D
D
E
3
G12
USBDM
G14
V
D
D
E
1
G
1
5
SIMCLK
G17
V
D
D
V
B
O
G
1
8
CS0
G2
WE_E
G4
B
E
3
G
5
IO9
F17
R
T
C
K
F
1
8
GPIOB2
F2
ADD21
F4
ADD23
F5
GPIOA9
G1
T
D
I
G
1
0
T
R
S
T
G
1
1
RSTBB
E5
IO31
E6
IO4
E7
IO7
E8
V
D
D
E
1
E
9
ADD20
F1
USBCN
F14
G
N
D
E
F
1
5
SIMRST
E
1
2
R
S
T
R
T
C
E
1
3
V
D
D
E
1
E
1
4
G
N
D
E
E
1
5
KCOL3
E17
N
C
E
1
8
OE_R_W
E2
IO28
E4
IO29
D5
V
D
D
E
1
D
6
G
N
D
E
D
7
IO11
D8
IO3
D9
ADD21
E1
N
C
E
1
0
DCL
E11
N
C
D
1
2
FSC
D13
N
C
D
1
4
SIMIO
D15
KCOL2
D17
KCOL0
D18
G
N
D
E
D
2
IO24
D4
IO25
B9
IO27
C1
KROW2
C17
KCOL1
C18
V
D
D
E
1
C
2
IO19
D1
IO5
D10
G
N
D
E
D
1
1
G
N
D
E
B18
IO21
B2
IO30
B3
IO26
B4
IO23
B5
IO15
B6
IO6
B7
IO2
B8
IO13
B
1
0
V
D
D
C
B
1
1
G
N
D
C
B
1
2
DD
B13
DU
B14
XOUT32K
B15
XIN32K
B16
KROW3
B17
KCOL4
A3
IO22
A4
ADD18
A5
IO14
A6
IO12
A7
IO10
A8
IO16
A9
ADD19
B1
N
C
A
1
2
V
D
D
A
2
A
1
3
CKI
A14
V
D
D
R
T
C
A
1
5
KROW0
A16
KROW4
A17
KROW1
A18
IO18
A2
IO17
1
N
C
2
N
C
IO20
A1
IO0
A10
IO1
A11
G
N
D
E
C215
UCP200
R214
RX_TX_IP
RX_TX_IN
RX_TX_QP
RX_TX_QN
IT_PMU
+VDD_IO_LOW
KEY_LED_ON
LOUD_EN
EXT1
LCD_BL_ON
CHG_ON
EDGE1_PA
MODE_SELECT
PON_SW
P
IP
E
S
T
A
T
(0
)
SCL
RF_CLK
D_REF_CLK
MIC_BIAS_BB
TRCSYNC
T
R
C
P
K
T
(7
)
P
IP
E
S
T
A
T
(2
)
RF_EN
END_OF_CHG
AUX_ON
M_INT
PON_TX
T
R
C
P
K
T
(4
)
T
R
C
P
K
T
(5
)
RF_DATA
DCS
AFC
MELODY_SEL
EXT2
R_CONTROL
TRCCLK
T
R
C
P
K
T
(0
)
MIC_P
TXD1
IMAGE_INT
PON_3587_SYNTH
T
R
C
P
K
T
(6
)
P
IP
E
S
T
A
T
(1
)
T
R
C
P
K
T
(2
)
AUXMICN
TCK
TDO
JACK_EN
PON_PA
SDA
AUXMICP
MIC_N
RXD2
TXD2
VF
J_SEL
EAR1
TEMP_PRODUCT
TMS
EAR_ADC
IMAGE_RESET
RXD2
T
R
C
P
K
T
(1
)
USBDP
HFR_N
REF_ON
MES_BATT
T
R
C
P
K
T
(3
)
EAR2
HFR_P
USBCN
SIMRST
RTCK
TDI
TRSTn
USBDM
SIMCLK
BT_RST
RSTEXTn
DD
DU
FSC
SIMIO
DCL
ANR
ANL
RAMP
RSTON
CLKBURST
KEY_ROW(4)
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
PIPESTAT(0:2)
TRCPKT(0:7)
KEY_COL(3)
KEY_COL(4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)