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Flow Chart of Troubleshooting
7-10
Speaker
R520
C517
C511
C505
C520
C504
C519
R516
R513
R504
C513
R505
VBATT
/RD
31
/RST
4
28
/WR
15
SPVDD
SPVSS
16
VDD
7
9
VREF
VSS
8
/CS
29
3
/IRQ
11
HPOUT-R
IOVDD
32
LED
2
19
MTR
5
NC
PLLC
6
17
SPOUT1
SPOUT2
18
EQ1
12
13
EQ2
EQ3
14
G
33
34
G
G
35
36
G
HPOUT-L/MONO
10
1
CLKI
D0
27
D1
26
25
D2
D3
24
23
D4
D5
22
21
D6
D7
20
U502
30
A0
R517
R519
C514
C518
YMU_VDD_3.0V
C512
SPOUT1
SPOUT2
BUFF_TCXO
MELODY_CS
OE2_N
MELODY_RESET
WE2_N
HPOUT_L
HPOUT_R
MELODY_IRQ
A2(1)
D2(0)
D2(1)
D2(2)
D2(3)
D2(4)
D2(5)
D2(6)
D2(7)