Table of Contents
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Flow Chart of Troubleshooting
R
2
1
8
R
2
1
7
R
2
1
6
R
2
1
5
Z
D
3
0
4
R
2
2
3
L
3
0
0
L
3
1
0
C
3
0
8
R
2
1
3
C
2
3
2
C
2
3
0
C
1
0
3
U
1
0
0
C
1
0
4
R
3
1
6
C
3
2
1
VCORE_1.25V
VRF_2.85V
VBG
C202
C203
C204
NEAR POWER DOMAIN SUPPLY
A(23)
A(13)
A(14)
A(15)
A(17:22)
A(17)
A(18)
A(19)
A(20)
A(21)
A(22)
MD(0:15)
MD(0)
MD(1)
MD(2)
MD(3)
MD(4)
MD(5)
MD(6)
MD(7)
MD(8)
MD(9)
MD(10)
MD(11)
MD(12)
MD(13)
MD(14)
MD(15)
KEY_LED_ON
FM_RST
TORCH_EN
LCD_DET
FM_SCL
FM_SDA
FM_INT
VIB_EN
JIG_ON
EAR_N
EAR_P
VANA_2.85V
MIC_BIAS
R208
MIC_N
MIC_P
1005
TH200
SHORT
EAR_MIC_N
EAR_MIC_P
SPK_N
SPK_P
R211
1005
R212
EAR_SW
EAR_SW_REF
KEYIN(0:2)
KEYIO(0:2)
KEYOUT(0:3)
C
2
2
4
C
3
1
8
C
3
2
0
U
1
0
1
C
3
1
9
R
2
2
2
R
1
0
8
C
1
0
9
C
2
2
9
VBAT
VPERM_3.0V
VCORE_1.25V
VANA_2.85V
VBG
VMEM_1.8V
VBAT
VBAT
R222
NEG
POS
1
2
BAT200
NC
* F-RDY/R-WAIT#
* AVD#
* CLK
D200
D201
FM_L
FM_R
C227
C228
C231
KEYIN(0)
KEYIN(1)
KEYIN(2)
KEYIO(0)
KEYIO(1)
KEYIO(2)
KEYOUT(0)
KEYOUT(1)
KEYOUT(2)
KEYOUT(3)
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C
1
0
8
C
2
0
3
C
2
0
6
C
2
0
7
C
3
1
2
R
3
1
0
C
3
1
1
C
2
1
3
C
2
1
2
C
2
0
9
C
2
0
8
C
2
1
0
C
2
0
4
C
1
0
2
R
1
1
7
C
1
0
1
R
1
1
6
C
3
0
3
C
3
1
3
C
3
1
5
C
3
1
4
C
3
1
7
R
3
1
1
C
3
1
6
R
3
0
4
R
3
1
4
R
3
0
1
C
T
A
3
0
1
VPERM_3.0V
VPERM_3.0V
VRF_2.85V
VCORE_1.25V
VGPIO_2.8V
VMEM_1.8V
VSIM_3.0V
UCP200
R220
1005
SHORT
9-6
L
1
0
7
R
F
S
1
0
0
R
1
0
C
1
1
T
A
1
0
1
L
1
0
4
L
1
0
5
R
2
1
2
T
H
2
0
0
O
S
C
2
0
1
T
P
_
A
2 [
] 2
T
P
_
A
2 [
] 3
U
M
E
2
0
0
L
3
0
L
3
0
C
2
3
4
O
S
C
2
0
0
C
2
1
1
C
2
3
5
3
0
1
VRF_2.85V
VCORE_1.25V
VSIM_3.0V
VANA_2.85V
VGPIO_2.8V
VMEM_1.8V
C205
C206
C207
C208
C209
C210
C211
NEAR VOLTAGE REGULATOR
LB
UB
NCS0
NCSFLASH
NCSRAM
VC1
PON_PA
MOD_STANDBY
VGPIO_2.8V
VANA_2.85V
VMEM_1.8V
VPERM_3.0V
VRF_2.85V
VSIM_3.0V
ONKEY_2
ONKEY_1
ICHGN
ICHGP
DCSRX_N
DCSRX_P
EGSMRX_N
EGSMRX_P
DCS_TX
EGSM_TX
UART0_TD
UART0_RD
UART1_RD
UART1_TD
UART1_CTS
UART1_RTS
OSC201
1
4
OSC200
2
3
SIM_CLK
SIM_DATA
SIM_RST
LCD_BL_EN
AUX_DET
32KHz_DIGIT
R207
VCHG_P
1005
VCM_OUT
VGPIO_2.8V
VCORE_1.25V
L201
CHG_REG
CHG_SW
SYSRST
RSTON
TRST_N
RAMP
RTCK
TCK
TDI
TDO
TMS
VF
OEn
WEn
R215
0ohm
1005
E1100
R216
0ohm
E1105
1005
R217
0ohm
E1105L
1005
R218
0ohm
E1105T
1005
R223
0ohm
E1100T
1005
1
0
9
8
VGPIO_2.8V
C237
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