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5-12
MELODY IC
28
/W
R
1NF
U710
15
SPVD
D
SPVSS
16
30
SYNC
7
VDD
9
VREF
8
VSS
3
/IRQ
/RST
4
11
HPOUT-
R
5
IFSEL
PLLC
6
SCLK
31
SDIN
29
SDOUT
32
17
SPOUT
1
SPOUT
2
18
21
D6
D7
20
EQ
1
12 13
EQ
2
EQ
3
14
EXT1
2
19
EXT2
HPOUT-L/MONO
10
U303
1
CLKI
D0
27 26
D1
25
D2
D3
24
23
D4
D5
22
YMU762-MA3
VDD2
3.3K
U706
0
R627
U717
4.7NF
U300
GND
3
IN
2
NC
1
OUT
4
VCC
5
VDD2
U709
6.8K
TC7SH04FU-TE85L
R626
0
U708
U716
220NF
U712
100NF
0
U702
1.2NF
U715
1UF
U714
10V
100NF
U713
1.2K
U703
VDD3
330
U707
U718
100NF
M_RST
MEL_13M
VIB
VDD_AMP
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
HRD_N
MELODY_C
S
AMP_P
AMP_N
HA(23)
HWR_N
EARP_H
F
2.2K
Flow Chart of Troubleshooting and Circuit Diagrams