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Flow Chart of Troubleshooting
7-5
DTC144EE/T
R
Q100
1
3
2
33PF
C105
Y
4
100NF
C126
U102
TC7S32F
U
A
2
B
1
3
GND
VCC
5
100NF
C118
10V
R100
0
C124
10U
F
NC
100NF
C100
1U
F
C110
R12
3
10
R12
2
22
K
R10
3
R12
1
33PF
C106
0
10
3K,1%
R117
R102
1u
F
C109
C103
2.2U
F
1U
F
C116
C115
1U
F
1UF
C111
C113
C114
1U
F
1UF
R11
5
C128
NC
9
IUSB
6
2
US
B
7
USBP
4
_CHG
5
_EN
_PPR
3
47
K
ISL6293-2
U101
10
BA
T
1
CRDL
GND
11
8
GND
ICDL
33PF
C104
VCCA
NC
1U
F
C12
3
R114
VCC_1.8
A
VCC
A
VBAT
VBAT
VCCD
R116
C107
100PF
10K,1
%
T101
VCCD
VRTC
VBAT
1.2K
10N
F
C130
R101
RB414_IV02N
C108
NE
GP
OS
VCC
D
VR
FV
CCD
VBAT
VCCB
C12
1
100K
R104
VRTC
100N
F
5
5
6
6
7
GG
89
GG
10
CN10
0
PC-D6-A3-H2.7-S
11
2
2
33
4
4
10NF
C119
C102
100N
F
VR
F
K4
VSS2
VSS3 R2
VSS4 P6
VXVCM
R13
XOENAQ
D1
A13
VLDO_3
VLDO_4
B1
2
VLDO_5
B1
0
VLDO_6
A14
VLDO_7
C12
VREF
A10
VREG
N
R14
VREG
P
M1 3
VRTC
H11
VSIM
K1
2
G5
VSS1
VDD_IO
2
C4
VDD_OCTL
VEXT
E1
4
VIB_DRV
F1
5
VIB_RNG_EN
L9
VL4S_A
A12
VL4S_B
B1
1
VL5S_A
D10
C9
VL5S_B
VLDO_1
G11
VLDO_2
J1
2
VDD1
2
J1
3
VDD2 M3
VDD3 N6
VDD3
4
C11
VDD5 C10
VDD67 B13
VDD
B A6
VDD
D N1 1
VDDV L11
VDD_IO
1 N5
J4
A2
SIM_CL
K
K1
4
SIM_IO
J1
1
SIM_RST
K1
1
TXP
E7
UP_CL
K
N9
UP_IO
P10
UP_RS
T
R10
VACC
F1
4
VBAT
E1
3
VDD1 J3
L2
RXTXI
N
D6
RXTXI
P
D7
RXTXQ
N
C6
RXTXQ
P
C7
SCLK_PSC
L8
M7
SDI_PSC
SDO_PSC
N7
SERCK
C2
SERDA
C1
B1
SERLE1
SERLE2
PWR_KEEP
M9
PWR_SW1N
C15
PWR_SW
2
C14
RAREF1
B6
RAREF2
B5
R3
RESETN_CS
P
RESET_O
K9
RING_DRV
F1
3
RTC_ALMN
H10
RTC_CLK
N4
RWN
2
NC
7
P5
OCTL0
E6
C5
OCTL1
OCTL2
F5
E5
OCTL3
OCTL4
A4
G6
OCTL5
OCTL6
B3
A3
OCTL7
PSW1_BU
F
L7
L3
I|O
LED1_DRV
G13
LED2_DRV
G12
R6 MC
MICINN
M1 4
MICINP
N1 4
MICOUT
N
P15
MICOUT
P
N1 5
MODE
N1 0
1
NC
5
NC
6
GNDS
5 G7
GNDS
6 G8
GNDS
7 G9
G1 0
GNDS
8
GNDS
9 H6
GNDV P13
GND_HCUR
F11
GND_OCTL
B4
GND_PSC1
B15
GND_PSC2
K15
INTRQ
L10
H7
GNDS11 H8
H9
GNDS12
J7
GNDS13
GNDS14 J8
GNDS15 J9
GNDS16 J1
0
GNDS17 K10
GNDS
2 F8
GNDS
3 F9
GNDS
4 F10
J6
DB5
H5
G3
DB6
DB7
G4
DB8
F4
DB9
F1
DINT
R
P3
F6
GNDB
GNDD M1 0
GNDQ E8
F7
GNDS
1
GNDS10
DB0
K1
DB1
K2
DB10
F2
DB11
F3
DB12
E2
DB13
E3
DB14
D3
DB15
D2
DB2
K3
J5
DB3
DB4
K13
CH_BDRV
E1
1
CH_ISE
N
F1
2
CH_RES
D14
E9
CREF
CSN_PSC
K8
DAIC
K
R4
L6 DAID
I
DAID
O
M6
DAIR
N
P4
K5
ADC_AUX1
E1
0
ADC_AUX2
D15
AF
C
D9
AOUTAN
N1 2
AOUTAP
P11
P12 AOUTBN
R12 AOUTBP
L14 AUXIN
N
AUXIN
P
M1 5
L13 AUXOUT
N
AUXOUT
P
CSP2200B
1
AB0
K6
P1
AB1
AB2
L5
N1
AB3
AB4
N2
AB5
M2
M1
AB6
AB7
K7
AB8
56PF
C101
U100
C112
2.2U
F
R108
NC
10UF
10
V
C125
100K
390K
R105
AOUTAN
AOUTAP
AOUTBP
XOENA
RF_EN
R106
JIG_ON_I
F
RST
TA_VEXT
CHG_ON
KEY_BL1
ICHRG
CHG_DET
RS
T
AOUTBN
JIG_O
N
PWR_KEEP
CSP_RESE
T
FLASH_RESE
T
TR_RST
RTCALARM
RTX_IP
RTX_QN
RTX_QP
RTX_IN
INTR
Q
TA_VEX
T
CLK13M_M
C
CLK32K
DSP_INT
KEY_ROW(0)
KEY_COL(2)
PWR_O
N
JIG_ON
SIMRST
SIMDAT
A
SIMCL
K
UP_SDO
VRE
F
MICINN
MICOUT
N
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
UP_SDI
UP_SCL
K
MICOUT
P
MICINP
UP_CS
AUXOUT
P
AUXOUT
N
AUXIN
P
AUXIN
N
AF
C
TXPOWE
R
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)
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_DB(0:15)
DSP_AB(0:8)
DPCS_TX_EN
GSM_TX_EN
SERLE
SERDAT
SERCLK
DSP_RWN
CSP_RESE
T
TX_EN
TX_BAND_SE
L
DSP_I
O
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)