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Flow Chart of Troubleshooting
10-5
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0
1
3
C
1
1
3
C
VCCD_1.8V
TP300
C303
VRTC_3V
C308
VCCD_2.9V
1
3
2
C316
Q300
C315
VCCB_2.9V
C319
VBAT
VCCD_2.9V
R
2
V
S
S
4
P
6
V
X
V
C
M
R
1
3
X
O
E
N
A
Q
D
1
INTRQ
VLDO_5 B10
VLDO_6 A14
VLDO_7 C12
VREF A10
V
R
E
G
N
R
1
4
V
R
E
G
P
M
1
3
VRTC H11
VSIM K12
V
S
S
1
G
5
V
S
S
2
K
4
V
S
S
3
V
D
D
_
O
C
T
L
C
4
VEXT E14
VIB_DRV F15
VL4S_A A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
VLDO_1 G11
VLDO_2 J12
VLDO_3 A13
VLDO_4 B12
VDD12 J13
V
D
D
2
M
3
V
D
D
3
N
6
VDD34 C11
V
D
D
5
C
1
0
V
D
D
6
7
B
1
3
V
D
D
B
A
6
V
D
D
D
N
1
1
V
D
D
V
L
1
1
V
D
D
_
IO
1
N
5
V
D
D
_
IO
2
J4
A2
SIM_CLK K14
SIM_IO J11
SIM_RST K11
T
X
P
E
7
UP_CLK N9
UP_IO P10
UP_RST R10
VACC F14
VBAT E13
V
D
D
1
J3
R
X
T
X
IN
D
6
R
X
T
X
IP
D
7
R
X
T
X
Q
N
C
6
R
X
T
X
Q
P
C
7
SCLK_PSC L8
M7
SDI_PSC
SDO_PSC N7
SERCK
C2
C1
SERDA
B1
SERLE1
SERLE2
C
1
4
R
A
R
E
F
1
B
6
R
A
R
E
F
2
B
5
R3
RESETN_CSP
R
E
S
E
T
_
O
K
9
RING_DRV F13
R
S
V
D
L
9
R
S
V
D
2
N
1
0
RTC_ALMN H10
R
T
C
_
C
L
K
N
4
RWN
L2
NC9 E10
C5
OCTL1
OCTL2
F5
OCTL4
A4
G6
OCTL5
OCTL6
B3
A3
OCTL7
P
S
W
1
_
B
U
F
L
7
P
W
R
_
K
E
E
P
M
9
P
W
R
_
S
W
1
N
C
1
5
P
W
R
_
S
W
2
M
IC
IN
N
M
1
4
M
IC
IN
P
N
1
4
M
IC
O
U
T
N
P
1
5
M
IC
O
U
T
P
N
1
5
E5
NC
NC3 D15
NC4
E6
1
N
C
5
N
C
6
2
N
C
7
P
5
N
C
8
D
1
3
G
N
D
S
9
H
6
G
N
D
V
P
1
3
G
N
D
_
H
C
U
R
F
1
1
G
N
D
_
O
C
T
L
B
4
G
N
D
_
P
S
C
1
B
1
5
G
N
D
_
P
S
C
2
K
1
5
IN
T
R
Q
L
1
0
L3
I|O
LED1_DRV G13
LED2_DRV G12
M
C
R
6
G
N
D
S
1
5
J9
G
N
D
S
1
6
J1
0
G
N
D
S
1
7
K
1
0
G
N
D
S
2
F
8
G
N
D
S
3
F
9
G
N
D
S
4
F
1
0
G
N
D
S
5
G
7
G
N
D
S
6
G
8
G
N
D
S
7
G
9
G
N
D
S
8
G
1
0
DB9
F1
D
IN
T
R
P
3
G
N
D
B
F
6
G
N
D
D
M
1
0
G
N
D
Q
E
8
G
N
D
S
1
F
7
G
N
D
S
1
0
H
7
G
N
D
S
1
1
H
8
H
9
G
N
D
S
1
2
G
N
D
S
1
3
J7
G
N
D
S
1
4
J8
E2
DB13
E3
DB14
D3
DB15
D2
DB2
K3
J5
DB3
DB4
J6
DB5
H5
DB6
G3
DB7
G4
DB8
F4
D14
E9
CREF
K8
CSN_PSC
D
A
IC
K
R
4
D
A
ID
I
L
6
D
A
ID
O
M
6
D
A
IR
N
P
4
DB0
K1
K2
DB1
DB10
F2
DB11
F3
DB12
A
O
U
T
A
N
N
1
2
A
O
U
T
A
P
P
1
1
A
O
U
T
B
N
P
1
2
A
O
U
T
B
P
R
1
2
A
U
X
IN
N
L
1
4
A
U
X
IN
P
M
1
5
A
U
X
O
U
T
N
L
1
3
A
U
X
O
U
T
P
K
1
3
CH_BDRV E11
CH_ISEN F12
CH_RES
AB0
K6
P1
AB1
AB2
L5
N1
AB3
AB4
N2
M2
AB5
AB6
M1
K7
AB7
AB8
K5
A
F
C
D
9
C300
U300
VCCA_2.9V
DSP_IO
VCCD_2.9V
C317
C312
C302
C314
C318
VCCA_2.9V
C309
C313
VBAT
VRF_2.9V
C301
SIMRST
VIB_DRV
VREF
VSIM
RTCALARM
C
L
K
_
3
2
K
R
T
X
IN
R
T
X
IP
R
T
X
Q
N
R
T
X
Q
P
UP_SCLK
UP_SDI
UP_SDO
SIM_CLK
SIM_IO
SIM_RST
V
A
P
C
SIMCLK
SIMDATA
UP_CS
D
S
P
_
IN
T
INTRQ
KEY_BL1
C
L
K
1
3
M
_
M
C
M
IC
IN
N
M
IC
IN
P
M
IC
O
U
T
N
M
IC
O
U
T
P
PWR_KEEP
P
W
R
_
O
N
J
IG
_
O
N
RST
VIB_EN
BAND_SEL1
BAND_SEL2
FM_EN
A
F
C
A
O
U
T
A
N
A
O
U
T
A
P
A
O
U
T
B
N
A
O
U
T
B
P
A
U
X
IN
N
A
U
X
IN
P
A
U
X
O
U
T
N
A
U
X
O
U
T
P
TX_EN
VMOD_EN
KEY_COL(2)
KEY_ROW(4)
DSP_AB(0:8)
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
DSP_IO
DSP_RWN
FLASH_RESET
SERLE
SERDAT
SERCLK
DSP_DB(0:15)
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(1)
DSP_DB(0)
C204
C217
R204
R205
TH200
C216
R201
C208
VCCB_2.9V
C211
R207
C214
VCCD_1.8V
R214
H
VCCD_2.9V
C206
R203
R208
VCCD_1.8V
R202
VCCD_2.9V
C210
C215
OSC200
3
2
1
C203
C209
X
S
M
0
_
D
A
T
A
XTIC_MODE
D12
F
1
0
X
V
R
E
F
P15
T15
XPA6/BE1 N
XPA7/IRQ 1
M9
T5
XPA8/IRQ 2
XPA9/IRQ 3
P2
X
P
W
M
1
R
5
XRTCALARM_ N
E8
X
S
M
0
_
C
L
K
N
1
0
U
1
2
X
P
A
3
1
_
IM
1
E
1
H
1
4
X
P
A
3
2
_
C
S
0
N
N
1
7
X
P
A
3
3
_
T
_
R
E
Q
A
X
P
A
3
4
_
T
_
R
E
Q
B
M
1
7
X
P
A
3
5
_
A
2
2
L
1
3
N
1
5
X
P
A
3
6
_
A
2
3
_
C
S
5
N
XPA3/CS4 N
N14
XPA4/OE N
P16
XPA5/WAIT N
X
P
A
2
4
/P
W
M
3
X
P
A
2
5
_
O
M
0
M
3
X
P
A
2
6
_
O
M
1
G
2
G
4
X
P
A
2
7
_
S
M
1
_
C
L
K
X
P
A
2
8
_
IO
M
0
G
5
X
P
A
2
9
_
IO
M
1
F
1
M11
XPA2/CS3 N
F
3
X
P
A
3
0
_
IM
0
X
P
A
1
7
_
D
R
Q
0
E
4
P
1
3
X
P
A
1
8
_
T
_
A
C
K
X
P
A
1
9
/C
P
_
M
O
S
I
L
2
M14
XPA1/CS2 N
L
1
X
P
A
2
0
/C
P
_
M
IS
O
K
4
X
P
A
2
1
/C
P
_
S
C
K
X
P
A
2
2
/S
S
N
J6
H
6
X
P
A
2
3
/P
W
M
2
H
5
M15
N2
XPA10/IRQ 4
X
P
A
1
1
/I
R
D
A
R
X
K
5
N
1
X
P
A
1
2
/I
R
D
A
T
X
X
P
A
1
3
_
T
X
1
G
6
G
3
X
P
A
1
4
_
R
X
1
X
P
A
1
5
/T
X
0
H
4
L
3
X
P
A
1
6
/R
X
0
X
C
P
_
K
B
9
/S
O
U
T
4
D
7
X
C
P
_
T
C
K
X
C
P
_
T
D
O
D
1
3
X
C
P
_
T
M
S
G
8
F
9
X
C
P
_
T
R
S
T
N
C13
XCP_WE N
F
4
X
F
R
S
T
B
C6
XOSC32OU T
XPA0/CS1 N
X
C
P
_
K
B
1
/S
IN
1
X
C
P
_
K
B
2
/S
IN
2
M
4
T
1
X
C
P
_
K
B
3
/S
IN
3
R
2
X
C
P
_
K
B
4
/S
IN
4
X
C
P
_
K
B
5
/S
O
U
T
0
T
3
U
3
X
C
P
_
K
B
6
/S
O
U
T
1
X
C
P
_
K
B
7
/S
O
U
T
2
P
3
X
C
P
_
K
B
8
/S
O
U
T
3
T
4
N
3
C5
XCP_D4
XCP_D5
D6
XCP_D6
E7
D5
XCP_D7
C4
XCP_D8
XCP_D9
B4
C
7
X
C
P
_
T
D
I
X
C
P
_
K
B
0
/S
IN
0
L
4
L
5
B3
C1
XCP_D11
XCP_D12
C2
D2
XCP_D13
D3
XCP_D14
XCP_D15
E3
F8
XCP_D2
XCP_D3
F7
A16
XCP_A6
XCP_A7
A15
XCP_A8
B17
C17
XCP_A9
A13
XCP_CSRAME N
XCP_CSROME N
A12
XCP_D0
A6
B5
XCP_D1
XCP_D10
K14
XCP_A1 8
XCP_A1 9
L14
XCP_A2
E14
XCP_A2 0
L15
L16
XCP_A2 1
D15 XCP_A3
B15
XCP_A4
XCP_A5
C14
D16
XCP_A1 0
XCP_A1 1
F14
XCP_A1 2
G14
G13
XCP_A1 3
XCP_A1 4
G17
J12
XCP_A1 5
K12
XCP_A1 6
XCP_A1 7
K13
B11
XAG0
XAG1
A11
XAG2
E11
D11
XAG3
XBSWN
B7
XCPTSTSTOP_CK O
M12
B13
XCP_A0_BEO N
F11
XCP_A1
H
7
V
S
S
H
1
1
J7
V
S
S
K
6
V
S
S
E
1
0
V
S
S
A
E
1
5
V
S
S
_
D
P
L
L
X1RTC
A7
D10
X2RTC
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
G
9
G
1
0
V
S
S
V
S
S
E
1
6
E
1
7
V
D
D
E
V
D
D
_
D
P
L
L
G
1
6
V
R
T
C
D
8
V
S
S
A
2
V
S
S
K
7
V
S
S
L
6
L
1
0
V
S
S
V
S
S
B
1
V
D
D
E
V
D
D
E
B
1
4
V
D
D
E
M
1
U
2
V
D
D
E
V
D
D
E
P
8
U
1
5
V
D
D
E
V
D
D
E
U
1
6
N
1
6
V
D
D
E
V
D
D
E
R
1
R
4
V
D
D
V
D
D
T
1
3
R
1
6
V
D
D
V
D
D
R
1
7
A
5
V
D
D
V
D
D
C
1
6
V
D
D
A
C
1
1
TCK
H13
TDI
H12
F12
TDO
G12
TMS
TRST
F15
V
D
D
E
2
L
1
7
V
D
D
G
1
V
D
D
V
D
D
N4
INT#0
R12
IO7
IOBIT# 1
K11
IOBIT# 2
L12
N
C
1
2
N
C
R
S
T
B
C
1
2
RWN
U5
R6
DB#2
DB#3 P6
U7
DB#4
T7
DB#5
DB#6
R7
M6
DB#7
P7
DB#8
DB#9
N7
P5
U6
DB#1
DB#10
N8
M8
DB#11
DB#12
U11
T11
DB#13
R11
DB#14
DB#15
P10
N11
AB#3
AB#4
P11
P12
AB#5
AB#6
R14
AB#7
T14
T17
AB#8
F
1
7
C
K
I
G15
CKO
DB#0
UCP200
U13
AB#0
AB#1 M10
R13
AB#2
VCCD_2.9V
R200
VCCD_1.8V
C205
C212
VRTC_3V
C207
VBAT
VCCD_1.8V
C213
R206
DEBUG_DSR
A(22)
A(23)
RTCALARM
SIMCLK
SIMDATA
VREF
JACK_IN
AS1
UP_SDI
UP_SDO
UP_SCLK
UP_CS
CHG_OFF
LED_EN
LCD_DET
SIMRST
PWR_KEEP
DEBUG_CTS
CHG_DET
DEBUG_DTR
DEBUG_RTS
B
P
_
V
F
EAR_SWITCH
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
CP_TCK
CP_TDO
CP_TMS
TR_RST
FLASH_RESET
CLK_32K
I2C_SCL
I2C_SDA
SDS_TXD
SDS_RXD
DEBUG_TXD
DEBUG_RXD
DSP_IO
AS2
TR_RST
DSP_RWN
TR_RST
ICHRG
TR_RST
CP_TDI
KEY_COL(0)
KEY_COL(1)
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)
DSP_INT
DSP_AB(0)
DSP_AB(1)
DSP_AB(2)
DSP_AB(3)
DSP_AB(4)
DSP_AB(5)
DSP_AB(6)
DSP_AB(7)
DSP_AB(8)
CLK13M_TR
DSP_DB(0)
HALL_SW
INTRQ
YMU_IRQ
FM_INT
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
A(21)
CP_CSROMEN
CP_CSRAMEN
AMP_EN
LCD_CS
EAR_CHECK
YMU_EN
MLCD_RST
UPPER_BYTE
CP_OEN
CP_WEN
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
A(0)
A(1)
A(2)
A(3)
DSP_DB(15:0)
D(0:15)
A(0:20)
KEY_ROW(0:4)
KEY_COL(0:4)
DSP_AB(8:0)
ANT
FM_RADIO
DCS_TX
DCS_RX
GSM_TX
GSM_RX
SPK
POWER_ON
EAR_MIC
EAR_SPK
MAIN_MIC
SIM
CHARGING
LCD
MOT
CLK
Summary of Contents for SGH-B300
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