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Flow Chart of Troubleshooting
3-7
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Q
R
D/
71
N
P
0
T
O
R
P_
R
T/]
6[
B
K_
P
C
C
E
X
E
N_
R
T/]
8[
B
K_
P
C
O
M
_
P
C/
91
A
P
1
MI/
13
A
P
0
MI/
03
A
P
0
M
OI/
82
A
P
K
C
A_
T/
81
A
P
K
L
C_
0
M
S/
K
L
C_
MI
S
A
T
A
D_
1
M
S/
22
A
P
A
Q
E
R_
T/
33
A
P
1
M
OI/
92
A
P
T
E
S
E
R_
H
S
A
L
F
P
C
PI
_
S
C_
R
T/]
3[
B
K_
P
C
1
X
R/
41
A
P
IOBIT[2]/VEC[3]/EROMHI
M
O
RI
_
S
C_
R
T/]
1[
B
K_
P
C
A
M
D_
T
N
G_
R
T/]
9[
B
K_
P
C
CKO/IACK/ERAMHI
IOBIT[1]/VEC[4]/PLLTOA
I
M
_
P
C/
02
A
P
F
R
E
P_
S
C_
R
T/]
2[
B
K_
P
C
0
E
ZI
S_
R
T/]
4[
B
K_
P
C
0
M
O/
52
A
P
M
A
RI
_
S
C_
R
T/]
0[
B
K_
P
C
K
L
C_
R
T/]
5[
B
K_
P
C
1
X
T/
31
A
P
B
Q
E
R_
T/
43
A
P
1
E
ZI
S_
R
T/]
7[
B
K_
P
C
K
L
C_
1
M
S/
72
A
P
A
T
A
D_
0
M
S/
A
T
A
D_
MI
S
1
M
O/
62
A
P
VRTC_3V
C207
R207
VCCD_2.9V
C212
C216
VCCD_2.9V
C211
OSC201
2
4
3
1
C214
R214
R213
VCCD_1.8V
VCCD_1.8V
R208
R211
R209
VCCD_2.9V
R203
R210
R201
C204
R206
C205
C215
C210
C209
C213
C217
C219
VCCD_2.9V
C218
C220
C206
1
VOUT
U202
3
GND
2
NC
VCC
4
VCCD_1.8V
VCCB_2.9V
VCCD_1.8V
TP_VCCD1.8
VCCD_2.9V
XTIC_MODE
D12
01
F
F
E
R
V
X
T15
XPA6/BE1N
XPA7/IRQ1
M9
T5
XPA8/IRQ2
XPA9/IRQ3
P2
1
M
W
P
X
5
R
XRTCALARM_N
E8
01
N
21
U
41
H
N0
S
C_
23
A
P
X
71
N
71
M
22
A
_5
3
A
P
X
3
1
L
51
N
N5
S
C_
32
A_
63
A
P
X
N14
XPA3/CS4N
XPA4/OEN
P16
XPA5/WAITN
P15
3
M
2
G
4
G
5
G
1
F
M11
XPA2/CS3N
3
F
1
E
31
P
2
L
M14
XPA1/CS2N
1
L
4
K
K
C
S_
P
C/
1
2
A
P
X
6J
6
H
2
M
W
P/
3
2
A
P
X
5
H
3
M
W
P/
4
2
A
P
X
N2
XPA10/IRQ4
5
K
X
R
A
D
RI/
1
1
A
P
X
1
N
X
T
A
D
RI/
2
1
A
P
X
6
G
3
G
0
X
T/
5
1
A
P
X
4
H
3
L
0
X
R/
6
1
A
P
X
4
E
7
D
K
C
T
_
P
C
X
31
D
O
D
T
_
P
C
X
S
M
T
_
P
C
X
8
G
9
F
N
T
S
R
T
_
P
C
X
C13
XCP_WEN
4
F
C6
XOSC32OUT
XPA0/CS1N
M15
4
M
1
T
2
R
3
T
3
U
3
P
4
T
3
N
XCP_D5
D6
XCP_D6
E7
D5 XCP_D7
C4
XCP_D8
XCP_D9
B4
7
C
I
D
T
_
P
C
X
4
L
5
L
C1
XCP_D11
XCP_D12
C2
D2
XCP_D13
D3
XCP_D14
XCP_D15
E3
F8
XCP_D2
XCP_D3
F7
C5
XCP_D4
XCP_A7
A15
XCP_A8
B17
C17
XCP_A9
A13 XCP_CSRAMEN
XCP_CSROMEN
A12
XCP_D0
A6
B5
XCP_D1
XCP_D10
B3
XCP_A19
L14
XCP_A2
E14
XCP_A20
L15
L16
XCP_A21
D15
XCP_A3
B15
XCP_A4
XCP_A5
C14
A16
XCP_A6
XCP_A11
F14
XCP_A12
G14
G13
XCP_A13
XCP_A14
G17
J12
XCP_A15
K12
XCP_A16
XCP_A17
K13
K14
XCP_A18
XAG1
A11
XAG2
E11
D11
XAG3
XBSWN
B7
XCPTSTSTOP_CKO
M12
B13
XCP_A0_BEON
F11
XCP_A1
D16
XCP_A10
S
S
V
11
H
7
J
S
S
V
6
K
S
S
V
01
E
A
S
S
V
51
E
L
L
P
D_
S
S
V
X1RTC
A7
D10
X2RTC
B11
XAG0
8
L
S
S
V
11
J
S
S
V
S
S
V
9
L
3
A
S
S
V
6
F
S
S
V
S
S
V
9
G
01
G
S
S
V
S
S
V
7
H
71
E
E
D
D
V
L
L
P
D_
D
D
V
61
G
C
T
R
V
8
D
S
S
V
2
A
S
S
V
7
K
S
S
V
6
L
01
L
S
S
V
S
S
V
7
M
E
D
D
V
41
B
E
D
D
V
1
M
2
U
E
D
D
V
E
D
D
V
8
P
51
U
E
D
D
V
E
D
D
V
61
U
61
N
E
D
D
V
E
D
D
V
61
E
4
R
D
D
V
D
D
V
31
T
61
R
D
D
V
D
D
V
71
R
5
A
D
D
V
D
D
V
61
C
A
D
D
V
11
C
1
B
E
D
D
V
TDI
H12
F12
TDO
G12
TMS
TRST
F15
D
D
V
2
E
71
L
D
D
V
1
G
D
D
V
D
D
V
1
R
R12
IO7
K11
L12
C
N
1
2
C
N
B
T
S
R
21
C
RWN
U5
H13
TCK
DB#3
P6
U7
DB#4
T7
DB#5
DB#6
R7
M6
DB#7
P7
DB#8
DB#9
N7
N4
INT#0
U6
DB#1
DB#10
N8
M8
DB#11
DB#12
U11
T11
DB#13
R11
DB#14
DB#15
P10
R6
DB#2
AB#4
P11
P12
AB#5
AB#6
R14
AB#7
T14
T17
AB#8
71
F
I
K
C
G15
DB#0
P5
UCP201
U13
AB#0
AB#1 M10
R13
AB#2
N11
AB#3
VBAT
KEY_COL(0:4)
RADIO_INT
I2C_CLK
I2C_DAT
EAR_CHECK
A(21)
A(22)
BP_CF
CHG_OFF
RADIO_BUSEN
LED_EN
EAR_SWITCH
UP_SDO
CHG_DET
LCD_CS
UP_SDI
CP_TDO
TR_RST
CP_TDI
CP_TMS
TR_RST
UP_SCLK
UP_CS
FLASH_RESET
VREF
ICHRG
AUDIO_SEL
SIMDATA
SIMCLK
DSP_IO
DSP_RWN
DSP_INT
TR_RST
CLK13M_TR
CLK32K
RTCALARM
JACK_IN
TR_RST
CP_TCK
DEBUG_DTR
DSP_AB(1)
DSP_AB(0)
KEY_ROW(4)
DSP_AB(8)
YMU_EN
CP_CSROMEN
CP_CSRAMEN
CP_WEN
CP_OEN
UPPER_BYTE
YMU_IRQ
SIMRST
PWR_KEEP
DEBUG_TXD
SDS_TXD
INTRQ
DEBUG_RXD
SDS_RXD
A(9)
A(8)
A(7)
A(6)
A(5)
A(4)
A(3)
A(2)
A(1)
A(0)
KEY_ROW(0:4)
KEY_ROW(3)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
KEY_COL(3)
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
DSP_AB(8:0)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_DB(14)
DSP_DB(15)
D(0:15)
D(15)
D(14)
D(13)
D(12)
D(11)
D(10)
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
A(0:20)
A(20)
A(19)
A(18)
A(17)
A(16)
A(15)
A(14)
A(13)
A(12)
A(11)
A(10)
DSP_DB(15:0)
DSP_DB(0)
DSP_DB(1)
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_DB(10)
DSP_DB(11)
DSP_DB(12)
DSP_DB(13)