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Flow Chart of Troubleshooting
9-44
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* Cl os e to S 20 Co nne ct or
L 110
C 124
3
8
G
N
D
4
FM _A UD IO _L
5
WL AN_B T_ AC TI VI TY |A _G PI O_ 5
6
HO ST _W AK E| GP IO _1
7
BT _W AK E| GP IO _0
8
GP IO _2 |W LA N_ TX _C ON FX
9
GP IO _3
30
PC M_ SY NC
31
GP IO _7
32
UA RT _R TS
33
UA RT _C TS
34
UA RT _R X
3
5
G
N
D
3
6
G
N
D
3
7
G
N
D
2
3
V
D
D
_
F
M
2
4
V
D
D
C
25
RS T_ N
26
PC M_ OU T
2
7
V
D
D
_
I
O
28
PC M_ IN
29
PC M_ CL K
3
G
N
D
16
TM 0
1
7
A
N
T
_
F
M
18
GP IO _4
19
LP O_ CL K
2
FM _A UD IO _R
20
VR EG _C TR L
2
1
V
D
D
R
3
V
2
2
V
D
D
_
R
F
U 101
1
UA RT _T X
10
WL AN_B T_ PR IO RI TY _AND_S TA TU S| A_ GP IO _4
11
I2C _DA TA
12
I2 C_ CL K
1
3
G
N
D
1
4
A
N
T
_
B
T
1
5
G
N
D
L 109
TP _B T_ IN T
TP _S L EEP
C 135
R
1
0
9
C
1
2
3
C 132
TP _B T_ WA KE
TP _R ST
C 134
C 130
C 127
C 129
C 128
C 126
VR EG _B T_ 2. 85 V
C 125
L 112
ANT 100
12
L 111
BT _S L EEP
BT _R ST _N
PC M_ SY NC
PCM _DI N
PCM _DO UT
PC M_ CL K
BT _U AR T_ RT S
BT _U AR T_ CT S
BT _U AR T_ TX D
BT _U AR T_ RX D
SL EEP _X TA L_ IN
BT _I NT
BT _W AK E
FM _R AD IO _ANT
I2 S_ CL K
I2S _DA TA
I2 S_ SW S RA DI O_ OU T_ R
RA DI O_ OU T_ L
3
2
2
IF C 600
1
1
FM _R AD IO _ANT
EA RM IC _N
EA RM IC _P