Decode board elements diagram 5
14
VC C _ AUD IO
[ 1 ]
L 5 9
C B7 9
0 .1 u F
C B8 2
0 .1 u F
R 1 1 5
1 0 k
L 3
FBR ( NC )
R 1 1 8
1 8 0 k
+1 2 V
R 1 5 5
1 K
VC C
A_ AV D D
D V3 3
R 1 1 9
1 0 0 k
SD A T2
A_ AV D D
+
C E5 1
1 0 u F/1 6 V
VC C
SD A T1
+
C E5 3
1 0 u F/1 6 V
R 1 4 5
3 3
R 1 1 6
5 .1 k
R 2 2 7
4 .7 k
KARAOKE
SD AT A5
MR
AL R C K
VC C
+
C E4 4
1 0 u F/1 6 V
-1 2 V
SBC L K
SD A T2
VC C _ AUD IO
L 1 0
FBR ( NC )
Q2 4
MBM2 2 2 2
SOT 2 3
1
2
3
MUT E_ D A C
R 1 2 2
4 k7
R 2 2 3
5 1 0 R
C B7 7
0 .1 u F
A_ MU TE
ML 1
V3 3
MIC _ R
ABC K
-1 2 V
+
-
U1 3 A
NJM4 5 5 8 OPA
3
2
1
8
4
MUT E_ D A C
[ 2 ]
D AC _ MR
R 1 3 6
5 .1 k
D 2 1
1 N4 1 4 8
1
2
A_ AV D D
SD A T0
D 1 8
1 N4 0 0 2
1
2
+
C E5 0
1 0 u F/1 6 V
V3 3
GN D
[ 1 ,2 ,3 ,5 ]
A_ MU TE
A_ AV D D
-1 2 V
[ 1 ]
R 1 2 7
1 0 k
C B8 3
0 .1 u F
SL R C K
M
L
D AC _ ML
-1 2 V
C 7 1
1 0 0 p F
C 6 8
1 5 0 0p F
L 6 1
+1 2 V
-1 2 V
R 1 1 7
1 K
R 1 3 0
1 8 0 k
R 1 2 9
1 K
MIC _ D ATA
[ 2 ]
SR
AD 3 3
R 1 2 6
1 0
C E3 1
1 0 0 u F/1 6 V
Q2 3
MBM2 2 2 2
SOT 2 3
1
2
3
SD AT A5
[ 2 ]
MIC _ D ATA
A_ AV D D
ZER O
R 7 6
4 7 K(NC )
R 2 2 0
5 1 0 R
C 6 6
1 5 0 0p F
R 1 1 1
1 0 0 k
+1 2 V
[ 1 ]
MIC _ AD C _ L
+
C E8
4 7 u F/1 6 V
R 1 5 4
5 .1 k
VC C
[ 1 ]
+1 2 V
R 1 3 7
1 K
S
U
B
D AC _ MR
R 2 2 8
1 k
+
C E4 9
1 0 u F/1 6 V
C 1 0 2
0 .1 u F
D AC _ MR
AC L K
R 1 3 9
3 3
C 7 6
0 .1 u F(NC )
ML
[ 4 ]
SAC L K
A_ MU TE
R 2 0 0
4 .7 K(NC )
R 1 5 8
1 5 k
Q2 5
MBM2 2 2 2
SOT 2 3
1
2
3
R 2 2 4
5 1 0 R
+1 2 V
+
-
U1 6 B
NJM4 5 5 8 OPA
5
6
7
8
4
+
C E3 9
1 0 0 u F/1 6 V
R 1 4 2
3 3
Audio Format: I2S UP TO 24 Bit
R 1 0 9
0
VC C
C 6 1
2 2 0 p F
C B7 3
0 .1 u F
R 2 1 9
5 1 0 R
+1 2 V
R ESE T#
+
C E4 1
1 0 u F/1 6 V
SD A T0
R 1 4 8
5 .1 k
+
-
U1 3 B
NJM4 5 5 8 OPA
5
6
7
8
4
+
C E3 0
1 0 0 u F/1 6 V
D AC _ C ENT
R ESE T#
C 7 3
2 7 p F
C 9 1
0 .1 u F(NC )
R 1 6 3
1 0 k
D V3 3
[ 1 ]
+1 2 V
D AC _ L FE
SD A T1
JK4
1
2
L 6 0
C 9 6
2 4 0 0 p F(NC )
VMID
U1 4
WMA8 7 6 6 (NC )
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
MOD E
MC L K
BC L K
L R C
D VD D
D GN D
D IN1
D IN2
D IN3
D NC
ML /I2 S
MC /IWL
MD /D M
MUT E
TES TR EF 1
VR E FN
VF EF P
VMID
NC
NC
VOUT 1 L
VOUT 1 R
VOUT 2 L
VOUT 2 R
VOUT 3 L
VOUT 3 R
AGN D
AVD D
MIC _ AD C _ R
D AC _ L FE
R 1 2 3
1 5 k
R 1 5 9
1 0 0
+
C E1 0
4 7 u F/1 6 V(NC )
VMID
SAC L K
+
C E4 8
1 0 u F/1 6 V
OPTV C C
SD A T1
R 9 0
2 .2 K
R 1 5 6
1 8 0 k
D AC _ ML
JK3
4
5
2
1
6
3
7
1
1
9
8
1 0
1 2
R 1 2 8
5 .1 k
R 2 2 6
1 0 0 k(NC )
R 1 3 1
1 0 0 k
SD A T2
+
C E4 2
1 0 0 u F/1 6 V
MIC _ AD C _ R
-1 2 V
L 5 8
R 1 6 5
1 K
Q2 1
MBM2 2 2 2
SOT 2 3
1
2
3
A_ MU TE
SD A T1
OPTI C AL
C 9 4
2 4 0 0 p F(NC )
C 6 9
2 2 0 p F
R 1 2 0
1 0
SBC L K
SAC L K
R 1 9 8
1 K(N C )
D AC _ C ENT
R 1 5 3
1 0 k
Q2 0
3 9 0 6
1
2
3
SD A T0
Q2 9
2 N3 9 0 4 (NC )
2
1
3
R 1 8 2
1 0 k(NC )
Q1 9
MBM2 2 2 2
SOT 2 3
1
2
3
MIC _ R
SBC L K
Q1 7
3 9 0 6
1
2
3
+
C E2 9
1 0 0 u F/1 6 V(NC )
R 1 5 0
1 8 0 k
MR
+
C E4 6
1 0 u F/1 6 V
C 9 9
0 .1 u F
+1 2 V
A_ MU TE
R 1 6 2
1 0 0
V3 3
SBC L K
R 7 4
1 k(N C )
R 1 6 8
3 3
S
R
ZER O
C 6 2
1 5 0 0p F
R 8 6
1 0
A_ D VD D
MIC _ D ATA
R 1 2 4 1 0 K
R 8 9
1 K(N C )
A_ D VD D
SD A T0
MIC 1 /L
+
C E5 4
1 0 u F/1 6 V
R 1 3 4
0 (NC )
C 6 4
1 5 0 0p F
HARDWARE:IIS 24BIT
MIC _ L
R 1 9 9
1 K(N C )
R 1 4 6
1 5 k
MR
[ 4 ]
D AC _ ML
R 1 1 3
4 7 0
C 6 3
2 2 0 p F
+1 2 V
SAC L K
SL R C K
ZER O
-1 2 V
R 1 2 1
4 .7 k
R 1 4 3
3 3
+
C 9 0
1 u F(NC )
AL R C K
SL
D AC _ SR
SL R C K
R 7 2
1 k(N C )
ML
D AC _ MR
C B8 1
0 .1 u F
L 1 4
5 .6 K(NC )
R 2 2 9
1 K
R 1 4 1
1 0 0 k
1
U3
7 4 HC U0 4
1
4
7
1
3
5
9
1 1
1 3
2
4
6
8
1 0
1 2
R 2 2 5
1 0 0 k(NC )
-1 2 V
ASD A T0
C B7 6
0 .1 u F(NC )
ABC K
[ 2 ]
AC L K
[ 2 ]
D AC _ C ENT
C 6 7
2 2 0 p F
AL R C K
[ 2 ]
A_ MU TE
C 7 5
0 .1 u F
U1 7
C S5 3 3 3 (NC )
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
VL
MC L K
SC L K
SD A TA
VA
GN D
L R C K
D IV
D IF
TST
FIL +
R _ G ND
R IN
L IN
VQ
R ST
VC C _ AUD IO
+
-
U1 5 A
NJM4 5 5 8 OPA
3
2
1
8
4
R 1 4 9
1 K
R 1 6 4
5 .1 k
D AC _ SL
R 2 1 8
3 3 (NC )
R 1 6 7
1 0 0 k
ASPD IF
[ 2 ]
D AC _ SL
R 1 6 0
7 5
Q2 2
MBM2 2 2 2
SOT 2 3
1
2
3
SL R C K
ML
R 1 4 4
3 3
MIC _ L
SU B
MUT E_ D A C
L 6 3
R 8 8
6 8
Q2 8
2 N3 9 0 4 (NC )
2
1
3
R 1 7 5
3 3 0 (NC )
L 1 5
FB(N C )
1
2
-1 2 V
L 1 3
FBR ( NC )
R 2 1 4
1 k(N C )
U1 8
PC M1 7 4 2 (NC )
1 6
1
3
2
8
7
1 5
1 4
6
4
9
1 1
1 3
1 2
5
1 0
SC KI
BC KIN
L R C IN
D IN
VO UT R
VO UT L
ML
MC
VA A
D GN D
AGN D
ZR R /ZR A
MD
ZR L /NA
VD D
VC O M
OPTI C AL
[ 2 ]
D AC _ SR
AC L K
R 7 1
1 0 (NC )
+
C E3
1 0 u F/1 6 V(NC )
R ESE T#
[ 2 ]
D AC _ ML
MIC M UTE
A
_
A
V
D
D
+
C E7
1 0 u F/1 6 V(NC )
C B7 2
0 .1 u F
S
L
+
-
U1 6 A
NJM4 5 5 8 OPA
3
2
1
8
4
C B3
0 .1 u F
R 1 3 8
3 3
SD A T2
ABC K
C B7 4
0 .1 u F(NC )
L 1 2
FBR ( NC )
C 6 5
2 2 0 p F
R 1 5 2
1 5 k
VMID
SAC L K
R 1 3 3 R (NC )
A_ MU TE
GN D
ML
R 1 4 0
1 8 0 k
-1 2 V
R 2 1 6
1 k(N C )
R 1 4 7
1 0 k
R 1 1 0
1 5 k
C ENT
C 6 0
1 5 0 0p F
R 1 6 6
1 8 0 k
ASD A T1
+
C E4 0
1 0 u F/1 6 V
R 9 5
4 7 0 K
M
R
D 1 9
1 N4 1 4 8
1
2
R 1 5 7
1 0 0 k
R 1 0 8
0 (NC )
MIC 2 /R
A_ D VD D
ASPD IF
+
C E5 2
1 0 u F/1 6 V
+
-
U1 5 B
NJM4 5 5 8 OPA
5
6
7
8
4
R 1 3 2
1 5 k
-1 2 V
+
C E3 7
4 7 0 u F/1 6 V
C B8 0
0 .1 u F
+1 2 V
ASPD IF
R 2 3 1
1 K(N C )
C 7 2
1 5 0 0p F
ASD A T2
SL R C K
C 7 0
1 0 0 p F
R 1 3 5
1 0 k
L 5 4
FB1 0 ( NC )
1
2
L 4 3
C B7 5
0 .1 u F
J5
MIC -HEA D -POR T
1
2
3
4
5
C
E
N
T
MIC AD C _ R
C 5 9
2 2 0 p F
L 6 2
R 1 2 5
1 0 0 k
ASD AT[ 0 ..2 ]
[ 2 ]
C B7 8
0 .1 u F
A_ D VD D
SD AT A5
D AC _ L FE
MIC _ AD C _ L
R 2 2 1
5 1 0 R
D AC _ SR
MIC AD C _ L
OPTI C AL
R 2 2 2
5 1 0 R
R 2 1 5
1 0 k(NC )
+
C E4 3
1 0 0 u F/1 6 V
D A3 3
+
C E4 5
1 0 u F/1 6 V
R 1 5 1
1 0 0 k
R 8 5
5 6 0 k(NC )
MIC M UTE
MR
Q3 0
2 N3 9 0 4
SOT 2 3
1
2
3
D AC _ SL
ASD AT[ 0 ..2 ]
U1 9
PC M1 6 0 6
1
2
3
4
5
6
7
8
9
1 0
2 0
1 9
1 8
1 7
1 6
1 5
1 4
1 3
1 2
1 1
D AT 1
D AT 2
D AT 3
FMT 1
FMT 0
ZER OA
AGN D
VO UT 5
VO UT 6
VO UT 1
SC K 1
BC K
L R C K
D EM P1
D EM P0
VC C
VC C M
VO UT 4
VO UT 3
VO UT 2
+
C E4 7
1 0 u F/1 6 V
D 1 6
1 N4 0 0 2
1
2
+1 2 V
SBC L K
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