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Flow Chart of Troubleshooting
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7-9
Speaker
5.6V
_3V
5.6V
C645
C639
R628
C635
V
6
0
2
C
6
4
2
C638
39PF
C629
R624
C690
L602
L604
C691
R
6
2
6
R
6
2
5
MEL_VCC
CN604-2
24-8005-002-000-867
2
24-8005-002-000-867
CN604-1
1
L605
L603
VBATT
CN603-2
2
CN603-1
24-8005-002-000-867
1
24-8005-002-000-867
V
6
0
3
C643
R623
C
6
4
1
C637
C646
C671
C630
C644
VSS
7
_
C
S
47
_IRQ
35
_RD
1
_RST
3
48
_
W
R
23
S
P
V
D
D
-R
13
S
P
V
S
S
-L
24
S
P
V
S
S
-R
TESTI
4
VDD
6
VDD
28
VREF
8
V
S
S
44
PIO1
33
PIO2
32
PLLC
5
SPOUT1-L
11
SPOUT1-R
26
SPOUT2-L
10
SPOUT2-R
27
14
S
P
V
D
D
-L
LED
31
MTR
30
NC
9
NC
12
NC
25
50
N
C
51
N
C
PIO0
34
21
E
Q
2
-R
15
E
Q
3
-L
22
E
Q
3
-R
G
N
D
49
18
H
P
O
U
T
-L
/M
O
N
O
19
H
P
O
U
T
-R
IO
V
D
D
45
IOVDD
29
D
3
40
D
4
39
D
5
38
D
6
37
D7
36
17
E
Q
1
-L
20
E
Q
1
-R
16
E
Q
2
-L
U603
A
0
46
CLKI
2
D
0
43 42
D
1
D
2
41
MEL_VCC
C633
C692
R616
39PF
C636
R627
C640
V
6
0
1
V
6
0
4
C632
SPK_TP2
SPK_TP1
YAMAHA_EARJACK_L
YAMAHA_EARJACK_R
HPH_L
HPH_R
MELODY_CSB
MELODY_IRQ
OE2_N
MELODY_RESETB
WE2_N
D2(0:7)
D
2
(1
)
D
2
(0
)
D
2
(2
)
D
2
(3
)
D
2
(4
)
D
2
(5
)
D
2
(6
)
A2(1)
TCXO_OUT
D
2
(7
)