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Flow Chart of Troubleshooting
9-18
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VOLUME DOWN
VOLUME UP
Z
D
8
0
7
VDOPARO_3.3V
C
8
0
6
7
1
2
TAC800
3
4
5
6
MIC_BIAS_1.8V
3
456
7
1
2
TAC801
Z
D
8
0
4
Z
D
8
0
5
N
C
3
3
31
31
4
4
5 5
6
6
7
7
8
8
9 9
3
2
N
C
25
25
26
26
27 27
28
28
29 29
3
3
30
30
18
18
19
19
2
2
20
20
21 21
22
22
23 23
24
24
10
10
11
11
12
12
13 13
14
14
15
15
16
16
17 17
SLC801
1 1
KEYLED_3
KEYLED_4
KBR(6)
KBC(5 )
KBR(5)
KBC(6)
THERM_OUT
KBC(0)
KBC(1)
KBC(2)
KBC(3)
KBC(4)
KBC(5)
KBC(6)
MIC_OUTPUT
KEYLED_2
KEYLED_1
KBR(0)
KBR(1)
KBR(2)
KBR(3)
KBR(4)
KBR(5)
KBR(6)
D
5
0
1
1
D
GND
5
S1
4
6
S2
3
SEL
VCC
2
U503
V_BAT
VREG_MSMP_2.6V
3
4
56
7
1
2
TAC500
C
52
5
R
51
1
KBC(7)
KBR(0)
ON_SW
ON_SW
TR500
1
3
2
U502
GND
4
3 NC
OUT
1
VDD 2
ON_SW