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Flow Chart of Troubleshooting
7-2
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(1.375V)
(1.8V)
(2.6V)
(2.85V)
(2.7V)
(2.7V)
(2.85V)
(3.1V)
(3.3V)
(2.85V)
(2.85V)
C
2
2
4
C217
R212
L201
C240
R206
D201
C276
L202
R208
C202
C213
R211
C
2
2
3
VPD
C215
C
2
2
0
S3.6
C
2
2
6
VBATT
R209
C277
R215
R210
DYIN
34
DYOUT
2
GND
5
VBUS
U204
1
DXIN
6
DXOUT
C
2
2
7
C229
C
2
1
9
C231
C203
C230
C232
C208
C212
C216
19
V
T
R
M
V
U
S
B
18
38
_AC_OK
_HRESET
42
_OE
16
_ONO
2
48
_RESET
RCV
45
REFBP
RX_EN
43
SUSPEND
17
TCXO_EN
39
VICHG
37
VL
36
22
VM
VP
21
OUT6
OUT7
3
5
OUT8
OUT9 6
PGND1
32
PGND2
28
PWR_HOLD
41
46
PWR_ON
20
50
NC
NC 51
OUT1
10
OUT2
8
OUT3
13
7
OUT4
1
OUT5
47
26 HP_PWR
30
IN
1
IN
2
94
IN
3
INV1
11
INV2
15
31
LX1
LX2
29
COMP1
COMP2
14
24
D
+
D
-
23
DATA
25
FB1
33
FB2 27
44
G
N
D
GND
49
U203
B
A
T
T
34
C
H
G
_
IN
35
40
CLK
12
D202
C201
C207
C214
C218
C
2
2
8
R213
C
2
2
5
VPD
C
2
2
2
V_MOTOR
V_MSMCORE
V_MSMC
TCXO_CTRL
EAR_DET
VPA
V_RFTX
SEND_END
SCL_PM
DC_VOLT
V_LED
V_SYNTH
2.85VDD
USB_VPO
USB_VMO
USB_SUSPEND
RX_CTRL
USB_DATA
ON_SW
PS_HOLD
V_TCXO
V_RFRX
VPD
EAR_MIC
EAR_REF
SDA_PM
VICHG
HRESET
HP_PWR
V_BUS
RESETIN_N
ON_SW_SENSE
USB_OE_N
DC_SENS
VPULL
VPULL
D-
D+