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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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7-
11
Speaker
VDD3
MELODY IC
VDD2
C304
100NF
R303
3.3K
51K
R306
1.2K
R302
VDD2
100NF
C307
R301
330
6.8K
R307
MELODY_CS
HRD_N
M_RST
HWR_N
VIB
HD(7)
HD(6)
HD(5)
HD(4)
HD(3)
HD(2)
HD(1)
HD(0)
HA(1)
C301
VDD2
YMU762C-QZE2
30
A0
CLKI
1
U301
AMP_P
SPVDD
AMP_N
R300
51K
220NF
C305
1.2NF
C309
C306
4.7UF
6.3V
EARP_HF
MEL_13M
100NF
C303
1NF
31
/R D
/RST
4
/W R
28
100PF
C300
27PF
100NF
C302
C310
0
R305
U300
TC7SH04FU-TE85L
3
GND
2
IN
1
NC
4
OUT
5
VCC
18
SPOUT2
SPVDD
15
16
SPVSS
VDD
7
VREF
9
VSS
8
29
/C S
/IRQ
3
10
HPOUT-L/MONO
HPOUT-
R
11
IOVDD
32
2
LED
MTR
19
NC
5
6
PLLC
SPOUT1
17
20
D7
12
EQ1
EQ2
13
14
EQ3
G
33
34
G
G
35
36
G
27
D0
D1
26
D2
25
24
D3
D4
23
22
D5
21
D6
R308
2.2K