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Flow Chart of Troubleshooting
7-
4
Initial
SYSOL3 GPRS MODEM
C213 close to B12
R220
C208
AVDD_TEMP
C205
VDD3
VDD2
VDD2
VDD2
C204
R207
C211
C202
VDD1
VDD3
C203
VDD1
C206
VDD1
VDD2
C201
VDD1
R211
V
S
S
_
R
E
F
C
1
3
V
S
S
_
V
B
A
1
2
V
S
S
_
V
B
O
U
T
C
1
1
V
S
S
_
G
N
1
1
G
1
3
V
S
S
_
H
V
S
S
_
I
E
8
V
S
S
_
K
C
3
V
S
S
_
M
G
1
K
1
V
S
S
_
N
V
S
S
_
O
P
1
V
S
S
_
P
N
5
VREF
C14
V
S
S
_
A
K
7
V
S
S
_
B
J
1
V
S
S
_
B
B
E
1
3
M
7
V
S
S
_
C
V
S
S
_
D
D
1
1
V
S
S
_
E
N
1
0
V
S
S
_
F
N
1
4
M
6
V
D
D
E
3
_
B
G
2
V
D
D
E
3
_
F
L
3
V
D
D
E
3
_
G
V
D
D
_
B
B
F
1
2
C
9
V
D
D
_
D
V
D
D
_
R
E
F
D
1
4
B
1
2
V
D
D
_
V
B
V
D
D
_
V
B
O
U
T
C
1
2
V
D
D
C
_
D
K
6
V
D
D
E
1
_
A
P
9
N
1
2
V
D
D
E
1
_
B
C
8
V
D
D
E
1
_
C
H
1
1
V
D
D
E
1
_
D
P
8
V
D
D
E
2
_
C
V
D
D
E
2
_
E
C
1
P
4
V
D
D
E
3
_
A
A
2
T
M
S
T
R
S
T
_
N
A
1
C
5
T
X
D
0
A
4
T
X
D
TXON
G12
V
D
D
C
_
A
F
5
V
D
D
C
_
B
N
1
3
V
D
D
C
_
C
M
8
SCK
C2
B3
SDA
M14
SIMCLK
M11
SIMERR
SIMIO
M13
T
C
K
A
3
T
D
I
D
2
T
D
O
D
3
RFSIG8
E7
K10
RFSIG9
RSTO_N
M10
H10
RST_N
A
5
R
X
T
0
_
N
R
X
D
0
C
4
R
X
D
1
D
4
H12
RXON
A6
RFSIG1
D7
RFSIG10
RFSIG2
D6
B6
RFSIG3
RFSIG4
A7
C7
RFSIG5
RFSIG6
B7
C6
RFSIG7
F4
PWM0
PWM1
E6
QN
H14
H13
QP
C10
RESETN
RFE_N0
J12
RFE_N2
K12
RFSIG0
D5
KBIO3
J11
L11
KBIO4
KBIO5
L13
KBIO6
L12
KBIO7
L14
MCLK
D10
B13
MICN
MICP
A13
H5
HRD_N
L5
HWR_N
J14
IN
J13
IP
J
_
S
E
L
B
4
K11
KBIO0
J10
KBIO1
K13
KBIO2
HD2
H2
HD3
J3
E5
HD4
H1
HD5
HD6
B1
HD7
E4
HD8
F3
F2
HD9
HD0
H4
H3
HD1
F1
HD10
E1
HD11
D1
HD12
HD13
E3
E2
HD14
B2
HD15
H6
HA26
HA3
L4
N3
HA4
K5
HA5
M3
HA6
P2
HA7
N2
HA8
HA9
M1
HA19
K2
P3
HA2
HA20
G4
P5
HA21
HA22
N6
HA23
L6
J7
HA24
HA25
J6
HA11
L2
L1
HA12
HA13
M2
J2
HA14
HA15
J5
K3
HA16
HA17
J4
K4
HA18
L9
GPIO6
GPIO7
N7
P6
GPIO8
N8
GPIO9
L10
GPON1
N9
GPON2
HA1
M4
N1
HA10
B10
EARP
GPIO0
M12
GPIO1
K9
GPIO10
K8
L8
GPIO2
M9
GPIO3
P7
GPIO4
GPIO5
L7
CKI32I
P13
P14
CKI32O
N4
CS_N0
G5
CS_N1
CS_N2
M5
G3
CS_N3
B
5
C
T
S
0
_
N
EARN
A11
BIOCLK
F11
G11
BOEN
B11
BUZ
CCLK
E10
D8
CDI
CDO
E9
CEN
D9
P11
CKI
AUXMICP
B14
AUXON
K14
A10
AUXSP
AUXST
G10
A
V
D
D
P
1
2
A
V
S
S
P
1
0
E11
BDIO
F10
BIEN
AUXADC1
F14
G14
AUXADC2
E14
AUXADC3
AUXADC4
F13
AUXDAC1
E12
AUXDAC2
D13
AUXDAC3
D12
A14
AUXMICN
U202
B8
ACLK
A8
ADI
A9
ADO
B9
AFS
R209
R
2
2
3
R224
R210
C207
R205
R204
TH200
AVDD_TEMP
C228
R214
VDD1
VDD1
C219
C216
AVDD
VDD3
VDD2
C212
R221
VDD1
R208
VDD1
VDD3
C200
C213
VDD2
R200
AMP_EN
R_INT
AUX_MIC_P
D_REF_13M
EAR_ADC
AUDIO_SW2
BUSENABLE
SW_PORT
KBIO(5)
KBIO(6)
KBIO(7)
KBIO(0:7)
HD(15)
HD(14)
HD(13)
HD(12)
HD(11)
HD(10)
HD(9)
HD(8)
HD(7)
HD(6)
HD(5)
HD(4)
HD(3)
HD(2)
HD(1)
HD(0)
HD(0:15)
VF
EAR_P
EAR_N
HA(17)
HA(16)
HA(15)
HA(14)
HA(13)
HA(12)
HA(11)
HA(10)
HA(9)
HA(8)
HA(7)
HA(6)
HA(5)
HA(4)
HA(3)
HA(2)
HA(1:26)
KBIO(0)
KBIO(1)
KBIO(2)
KBIO(3)
KBIO(4)
ANT_SW2
PON_SYNT
PON_TX
VDD_KEY_ON
NCSRAM
HRD_N
HWR_N
RSTON
HA(26)
HA(25)
HA(24)
HA(1)
HA(22)
HA(21)
HA(23)
HA(20)
HA(19)
HA(18)
T
X
D
1
T
R
S
T
_
N
T
M
S
T
D
O
T
D
I
T
C
K
R
X
D
1
R
T
S
0
J
_
S
E
L
REF_ON
CTS0
IMAGE_INT
SIMCLK
SIMIO
IT_PMU
SCL
SDA
R
X
D
0
T
X
D
0
C
T
S
0
BIEN
BDIO
BOEN
BIOCLK
CHG_ON
END_OF_CHARGE
FSC
DU
DCL
DD
MIC_N
MIC_P
IRX_TX_N
IRX_TX_P
QRX_TX_N
QRX_TX_P
irDA_DOWN
D_REF_13M
RAMP
AFC
32K
ANT_SW3
TXVCO_SW1
NCSFLASH
ANT_SW1
PAM_TX_EN
PON_RX
RF_EN_SYNT
IMAGE_RESET
RF_BBI_DATA
RF_BBI_CLK
LINE_OUT
AUX_MIC_N
MES_BATT
IMAGE_CS
MELODY_CS
M_INT
MELODY_RESET
AUDIO_SW1
TXVCO_SW2