SAMSUNG Proprietary-Contents may change without notice
SGH-X140 Flow Chart of Troubleshooting
2-
5
This Document can not be used without Samsung's authorization
P
A
13
/T
X
1
C
P
_K
B
[7
]/
T
R
_S
IZ
E
1
C
P
_K
B
[8
]/
T
R
_N
E
X
E
C
P
A
28
/IO
M
0
P
A
25
/O
M
0
IOBIT[2]/VEC[3]/EROMHI
P
N
17
/D
R
Q
P
A
20
/C
P
_
M
I
F
L
A
S
H
_
R
E
S
E
T
P
A
29
/I
O
M
1
P
A
33
/T
_R
E
Q
A
P
A
31
/I
M
1
IOBIT[1]/VEC[4]/PLLTOA
C
P
_K
B
[3
]/
T
R
_
C
S
_
IP
C
P
P
A
19
/C
P
_
M
O
C
P
_K
B
[4
]/
T
R
_
S
IZ
E0
C
P
_K
B
[6
]/
T
R
_
P
R
O
T
0
P
A
27
/S
M
1
_
C
L
K
C
P
_K
B
[5
]/
T
R
_
C
LK
C
P
_K
B
[0
]/
T
R
_
C
S
_
IR
A
M
P
A
18
/T
_A
C
K
P
A
26
/O
M
1
CKO/IACK/ERAMHI
P
A
34
/T
_R
E
Q
B
S
IM
_
D
A
T
A
/S
M
0
_
D
A
TA
C
P
_K
B
[9
]/
T
R
_
G
N
T
_
D
M
A
C
P
_K
B
[1
]/
T
R
_
C
S
_
IR
O
M
C
P
_K
B
[2
]/
T
R
_
C
S
_
P
E
R
F
P
A
30
/I
M
0
P
A
14
/R
X
1
S
IM
_
C
L
K
/S
M
0
_
C
L
K
P
A
22
/S
M
1
_
D
A
T
A
R207
VO
VS 1
U203
GND
3
2
R206
TP203
VCCB
TP201
VRTC
TP209
VCC_1.8A
TP204
TP205
TP202
2
1
OSC201
TP213
R220
R212
R211
R
2
0
8
VCC_1.8A
R215
TP211
C230
TP210
N
10
U
12
XTIC_MODE
D12
F
10
X
V
R
E
F
XPA4/OEN
P16
P15
XPA5/WAITN
T15 XPA6/BE1N
XPA7/IRQ1
M9
T5
XPA8/IRQ2
XPA9/IRQ3
P2
X
P
W
M
1
R
5
XRTCALARM_N
E8
M11
F
3
E
1
H
14
X
P
A
3
2
_
C
S
0N
N
17
M
1
7
X
P
A
3
5
_
A
2
2
L
13
N
15
X
P
A
3
6
_
A
2
3_
C
S
5N
XPA3/CS4N
N14
J
6
H
6
X
P
A
23
/P
W
M
2
X
P
A
24
/P
W
M
3
H
5
M
3
G
2
G
4
G
5
F
1
XPA2/CS3N
H
4
L
3
X
P
A
16
/R
X
0
E
4
P
13
L
2
M14
XPA1/CS2N
L
1
K
4
X
P
A
21
/C
P
_
S
C
K
XOSC32OUT
C6
XPA0/CS1N
M15
N2
XPA10/IRQ4
X
P
A
11
/I
R
D
A
R
X
K
5
X
P
A
12
/I
R
D
A
TX
N
1
G
6
G
3
X
P
A
15
/T
X
0
T
4
N
3
D
7
X
C
P
_T
C
K
X
C
P
_T
D
O
D
13
X
C
P
_T
M
S
G
8
F
9
X
C
P
_T
R
S
TN
C13
XCP_WEN
F
4
L
4
L
5
M
4
T
1
R
2
T
3
U
3
P
3
XCP_D3
F7
C5
XCP_D4
XCP_D5
D6
XCP_D6
E7
XCP_D7
D5
C4
XCP_D8
XCP_D9
B4
X
C
P
_T
D
I
C
7
A6
XCP_D1
B5
XCP_D10
B3
C1
XCP_D11
XCP_D12
C2
XCP_D13
D2
D3 XCP_D14
XCP_D15
E3
F8
XCP_D2
XCP_A5
C14
A16
XCP_A6
XCP_A7
A15
XCP_A8
B17
XCP_A9
C17
A13
XCP_CSRAMEN
XCP_CSROMEN
A12
XCP_D0
XCP_A17
K13
K14
XCP_A18
XCP_A19
L14
XCP_A2
E14
XCP_A20
L15
L16
XCP_A21
D15
XCP_A3
B15
XCP_A4
XCP_A1
F11
D16
XCP_A10
XCP_A11
F14
XCP_A12
G14
XCP_A13
G13
XCP_A14
G17
J12
XCP_A15
K12 XCP_A16
X1RTC
X2RTC
D10
B11
XAG0
XAG1 A11
XAG2
E11
XAG3
D11
XBSWN
B7
XCPTSTSTOP_CKO
M12
B13
XCP_A0_BEON
G
9
V
S
S
G
10
V
S
S
H
7
V
S
S
H
11
J7
V
S
S
V
S
S
K
6
E
10
V
S
S
A
E
15
V
S
S
_
D
P
L
L
A7
L
6
V
S
S
L
10
V
S
S
M
7
L
8
V
S
S
J1
1
V
S
S
V
S
S
L
9
A
3
V
S
S
F
6
V
S
S
V
S
S
U
16
V
D
D
E
N
16
V
D
D
E
E
16
E
17
V
D
D
E
V
D
D
_
D
P
L
L
G
16
V
R
T
C
D
8
V
S
S
A
2
V
S
S
K
7
V
S
S
C
16
V
D
D
A
C
11
B
1
V
D
D
E
V
D
D
E
B
14
V
D
D
E
M
1
V
D
D
E
U
2
V
D
D
E
P
8
U
15
V
D
D
E
V
D
D
E
V
D
D
G
1
V
D
D
R
1
R
4
V
D
D
V
D
D
T
13
V
D
D
R
16
V
D
D
R
17
A
5
V
D
D
V
D
D
C
12
RWN
U5
TCK
H13
TDI
H12
F12
TDO
TMS
G12
TRST
F15
V
D
D
E
2
L
17
V
D
D
DB#8
DB#9 N7
INT#0
N4
R12
IO7
K11
L12
N
C
1
2
N
C
R
S
T
B
DB#14
DB#15
P10
DB#2
R6
DB#3
P6
U7
DB#4
T7
DB#5
DB#6
R7
M6
DB#7
P7
G15
DB#0
P5
U6
DB#1
DB#10
N8
M8
DB#11
DB#12
U11
T11
DB#13
R11
R13
AB#2
N11
AB#3
P11
AB#4
P12
AB#5
AB#6
R14
AB#7 T14
T17
AB#8
F
17
C
K
I
U201
U13
AB#0
AB#1
M10
R205
C220
C211
VCCB
VBAT
C215
C214
VCCD
R203
C221
C222
VCC_1.8A
R217
VCCD
C216
TP206
C231
XLATCH_CS
JACK_IN
EAR_SWITCH
F_WP_
KEY_LED_EN
CP_TDO
CP_TDI
CP_TMS
CP_TCK
DSP_TDO
CP_CSROM2EN
YMU_LED
A(22)
BACKLIGHT_EN
CHG_DET
DSP_TCK
DSP_TDI
ICHRG
I2C_DATA
DLC_DETECT
DSP_TMS
LCD_CS
A(21)
DEBUG_DTR
DEBUG_RTS
DSP_AB(8:0)
UP_SDI
UP_SDO
TR_RST
DSP_AB(8)
KEY_ROW(4)
TR_RST
UP_SCLK
UP_CS
FLASH_RESET
VREF
DEBUG_DSR
TR_RST
DSP_DB(15:0)
D(0:15)
A(0:20)
KEY_ROW(0:4)
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
KEY_COL(0:4)
KEY_COL(4)
KEY_COL(3)
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
SIMDATA
SIMCLK
I2C_CLK
DEBUG_RI
DSP_IO
DSP_RWN
DSP_INT
TR_RST
CLK13M_TR
CLK32K
RTCALARM
BP_VF
CP_CSROMEN
CP_CSRAMEN
CP_WEN
CP_OEN
DEBUG_DCD
UPPER_BYTE
YMU_IRQ
SIMRST
PWR_KEEP
DEBUG_TXD
DEBUG_CTS
SDS_TXD
INTRQ
DEBUG_RXD
SDS_RXD
DSP_DB(1)
DSP_DB(10)
DSP_DB(11)
DSP_DB(12)
DSP_DB(13)
DSP_DB(14)
DSP_DB(15)
DSP_DB(2)
DSP_DB(3)
DSP_DB(4)
DSP_DB(5)
DSP_DB(6)
DSP_DB(7)
DSP_DB(8)
DSP_DB(9)
YMU_EN
D(1)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
DSP_DB(0)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(2)
A(20)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
D(0)
DSP_AB(0)
DSP_AB(1)
DSP_AB(2)
DSP_AB(3)
DSP_AB(4)
DSP_AB(5)
DSP_AB(6)
DSP_AB(7)
A(0)
A(1)
A(10)
A(11)
A(12)
A(13)