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Flow Chart of Troubleshooting
7-12
CODE
C
MELODY IC
C301
27P
F
+VDD_IO_HIG
H
3.3K
R307
10K
R312
1N F
C304
R313
39K
33N F
C315
/W
R
39N F
C311
7
VDD
9
VREF
8
VSS
/C
S
29
3
/IRQ
/RD
31
/RST
4
28
32
LED
2
19
MT R
5
NC
PLLC
6
17
SPOUT1
SPOUT2
18
15
SPVD
D
SPVSS
16
EQ
2
EQ
3
14
G
33
34
G
G
35
36
G
HPOUT-L/MONO
10
11
HPOUT-R
IOVD
D
D1
25
D2
D3
24
23
D4
D5
22
21
D6
D7
20
EQ
1
12
13
YMU765
U300
30
A0
1
CLKI
D0
27
26
15K
R314
3.9NF
C326
100NF
C312
C325
100N
F
+VDD_IO_LOW
C314
100NF
C313
560PF
100N
F
C305
10V
1UF
C310
C302
100NF
100N
F
C308
EARP_H
F
VBAT
AN L
ANR
AMP_P
HD(7)
VIB
AMP_N
HD(4)
M_INT
HD(5)
RSTON
HD(6)
HD(1)
HD(0)
WE
n
CS5n_MELODY
HA(1)
OEn
HD(2)
26M_DIGIT
HD(3)