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SGH-D720 Flow Chart of Troubleshooting and Circuit Diagrams
2-
9
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VCC_1.8A
C422
R416
VRTC
R417
VCC_1.8A
TP400
R411
VCC_1.8A
R424
R414
C423
21
U
D12
XTIC_MODE
F
E
R
V
X
0
1
F
R404
P15 XPA5/WAITN
XPA6/BE1N
T15
M9
XPA7/IRQ1
XPA8/IRQ2
T5
P2
XPA9/IRQ3
5
R
1
M
W
P
X
E8
XRTCALARM_N
01
N
K
L
C_
0
M
S
X
A
T
A
D_
0
M
S
X
1
E
1
MI
_1
3
A
P
X
N0
S
C_
23
A
P
X
41
H
A
Q
E
R_
T
_3
3
A
P
X
71
N
71
M
B
Q
E
R_
T
_4
3
A
P
X
31
L
2
2
A_
53
A
P
X
N5
S
C_
32
A
_6
3
A
P
X
51
N
N14
XPA3/CS4N
P16
XPA4/OEN
3
M
0
M
O
_5
2
A
P
X
2
G
1
M
O
_6
2
A
P
X
K
L
C_
1
M
S
_7
2
A
P
X
4
G
5
G
0
M
OI
_8
2
A
P
X
1
M
OI
_9
2
A
P
X
1
F
XPA2/CS3N
M11
0
MI
_0
3
A
P
X
3
F
0
Q
R
D
_7
1
A
P
X
31
P
K
C
A_
T
_8
1
A
P
X
2
L
I
S
O
M
_
P
C/
91
A
P
X
XPA1/CS2N
M14
O
SI
M
_
P
C/
02
A
P
X
1
L
4
K
K
C
S
_
P
C/
12
A
P
X
6J
N
S
S/
22
A
P
X
2
M
W
P/
32
A
P
X
6
H
5
H
3
M
W
P/
42
A
P
X
M15
XPA0/CS1N
XPA10/IRQ4
N2
5
K
X
R
A
D
RI/
11
A
P
X
X
T
A
D
RI/
21
A
P
X
1
N
6
G
1
X
T
_3
1
A
P
X
1
X
R
_4
1
A
P
X
3
G
4
H
0
X
T/
51
A
P
X
0
X
R/
61
A
P
X
3
L
4
E
3
N
7
D
K
C
T_
P
C
X
31
D
O
D
T_
P
C
X
8
G
S
M
T_
P
C
X
N
T
S
R
T_
P
C
X
9
F
XCP_WEN
C13
B
T
S
R
F
X
4
F
XOSC32OUT
C6
4
M
2
NI
S/
2
B
K_
P
C
X
3
NI
S/
3
B
K_
P
C
X
1
T
2
R
4
NI
S/
4
B
K_
P
C
X
3
T
0
T
U
O
S/
5
B
K_
P
C
X
3
U
1
T
U
O
S/
6
B
K_
P
C
X
3
P
2
T
U
O
S/
7
B
K_
P
C
X
4
T
3
T
U
O
S/
8
B
K_
P
C
X
4
T
U
O
S/
9
B
K_
P
C
X
D6
XCP_D5
E7
XCP_D6
XCP_D7
D5
XCP_D8
C4
B4
XCP_D9
I
D
T_
P
C
X
7
C
4
L
0
NI
S/
0
B
K_
P
C
X
5
L
1
NI
S/
1
B
K_
P
C
X
B3
XCP_D10
XCP_D11
C1
C2
XCP_D12
XCP_D13
D2
XCP_D14
D3
E3 XCP_D15
XCP_D2
F8
F7
XCP_D3
XCP_D4
C5
A15
XCP_A7
B17
XCP_A8
XCP_A9
C17
XCP_CSRAMEN
A13
A12
XCP_CSROMEN
A6 XCP_D0
XCP_D1
B5
L14
XCP_A19
E14
XCP_A2
L15
XCP_A20
XCP_A21
L16
XCP_A3
D15
XCP_A4
B15
C14
XCP_A5
XCP_A6
A16
F14
XCP_A11
G14
XCP_A12
XCP_A13
G13
G17
XCP_A14
XCP_A15
J12
XCP_A16
K12
K13 XCP_A17
XCP_A18
K14
XAG1
A11
E11
XAG2
XAG3
D11
B7
XBSWN
M12
XCPTSTSTOP_CKO
XCP_A0_BEON
B13
XCP_A1
F11
XCP_A10
D16
7
H
S
S
V
S
S
V
11
H
S
S
V
7J
S
S
V
6
K
A
S
S
V
01
E
L
L
P
D
_
S
S
V
51
E
A7
X1RTC
D10
X2RTC
XAG0 B11
7
M
S
S
V
S
S
V
8
L
S
S
V
11
J
9
L
S
S
V
S
S
V
3
A
S
S
V
6
F
9
G
S
S
V
S
S
V
01
G
61
E
E
D
D
V
E
D
D
V
71
E
61
G
L
L
P
D
_
D
D
V
8
D
C
T
R
V
2
A
S
S
V
7
K
S
S
V
6
L
S
S
V
S
S
V
0
1
L
E
D
D
V
41
B
1
M
E
D
D
V
E
D
D
V
2
U
8
P
E
D
D
V
E
D
D
V
51
U
61
U
E
D
D
V
E
D
D
V
61
N
1
R
D
D
V
D
D
V
4
R
3
1
T
D
D
V
D
D
V
61
R
71
R
D
D
V
D
D
V
5
A
61
C
D
D
V
11
C
A
D
D
V
E
D
D
V
1
B
TCK
TDI
H12
TDO
F12
TMS
G12
F15
TRST
2
E
D
D
V
D
D
V
7
1
L
D
D
V
1
G
INT#0
N4
IO7
R12
IOBIT#1
K11
L12
IOBIT#2
1
C
N
C
N
2
21
C
B
T
S
R
U5
RWN
H13
DB#2
R6
P6
DB#3
DB#4
U7
DB#5
T7
R7
DB#6
DB#7
M6
DB#8 P7
N7
DB#9
DB#1
U6
DB#10
N8
DB#11
M8
U11
DB#12
DB#13
T11
DB#14
R11
P10
DB#15
AB#3
N11
P11
AB#4
AB#5
P12
R14
AB#6
T14
AB#7
AB#8 T17
I
K
C
7
1
F
CKO
G15
P5
DB#0
UCP400
AB#0
U13
M10
AB#1
AB#2
R13
TP401
TP402
R425
C424
VCCD
R408
R413
R401
VCCD
VCCD
R423
VBAT
R410
C406
R415
3
GND
VO
2
1
VS
U402
C411
VCCB
OSC401
VCCD
R405
C410
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
CP_TCK
CP_TMS
CP_TDI
CP_TDO
C407
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(1)
DSP_DB(0)
CLK13M_TR
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
ARM_TRSTN
DSP_RWN
TR_RST
DSP_IO
DSP_INT
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
D(13)
D(12)
D(11)
D(10)
D(1)
D(0)
CP_CSROMEN
CP_CSRAMEN
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(21)
A(20)
A(2)
A(19)
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
A(1)
A(0)
TR_RST
UP_SCLK
UP_SDO
UP_SDI
PH_PWR_OFF
BT_REQ
AT_RXD
AT_TXD
SDS_RXD
SDS_TXD
PH_OFF_RDY
PDA_ACTIVE
PH_WAKEUP
CLK32K
FLASH_RESET
CP_WEN
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(15)
D(14)
VREF
SIMDATA
SIMCLK
RTC_nALARM
JACK_SENSE
CP_INT
UPPER_BYTE
CP_OEN
A(23)
A(22)
SW_RST_INT
AT_nRTS
PDA_WAKEUP
AT_nCTS
AT_nDSR
PH_ACTIVE
SIMRST
SVC_LED_EN
UP_CS
EAR_SEL
AT_nDTR
DSP_DB(0:15)
D(0:15)
A(0:20)
DSP_AB(0:8)
ARM_TRSTN