Table of Contents
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Flow Chart of Troubleshooting
VPD
D201
R206
VICHG
DC_SENS
ON_SW_SENSE
ON_SW
R211
HP_PWR
PS_HOLD
HRESET
SDA_PM
SCL_PM
EAR_REF
EAR_DET
EAR_MIC
SEND_END
USB_OE_N
USB_SUSPEND
USB_DATA
USB_VPO
USB_VMO
C230
C231
VBATT
C201
C202
C203
DC_VOLT
U203
35
34
30 94
C213
REFBP
36
VL
LX1
37
VICHG
PGND1
38
_AC_OK
FB1
2
_ONO
LX2
46
PWR_ON
PGND2
26
HP_PWR
FB2
41
PWR_HOLD
_RESET
42
_HRESET
OUT1
25
DATA
OUT2
40
CLK
OUT3
11
INV1
RX_EN
12
COMP1
OUT4
15
INV2
14
COMP2
OUT5
TCXO_EN
16
_OE
OUT6
17
SUSPEND
OUT7
20
RCV
OUT8
21
VP
OUT9
22
VM
GND
NC
NC
44
23
24
19 18
D202
C229
C232
C240
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C208
C277
C276
C212
45
31
L201
32
R208
C214
33
R209
29
L202
28
R212
C216
27
R213
48
10
8
13
43
7
1
39
47
3
5
6
49
50
51
V_BUS
VPULL
U204
1
6
DXIN
DXOUT
2
5
GND
VBUS
34
DYIN
DYOUT
7-2
S3.6
C207
V_MSMCORE
C215
V_MSMC
R210
C217
RESETIN_N
VPD
(2.7V)
VPA
(2.6V)
V_RFRX
RX_CTRL
R215
2.85VDD
V_TCXO
TCXO_CTRL
V_SYNTH
V_RFTX
V_MOTOR
V_LED
C218
D+
VPULL
D-
(1.375V)
(1.8V)
VPD
(2.7V)
(2.85V)
(2.85V)
(2.85V)
(2.85V)
(3.1V)
(3.3V)
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