JBL JBLPARTYBOX100AM, Service Manual, Page: 19 / 45

From AK7755
TO MCS3730/AK775
From MCS3730
From CS42528
TO CS42528 DAC
MIC/GT IIS Output (DAC Output)
AK7755 IIS IN (DAC IN)
MCL3730 IIS IN (USB/BT IIS)
GT IIS IN
AUX IIS Output
TO MCS3730
AUX Level IIS Output
AK7755 TO CS42528
MCL3730 TO CS42528
35
20
A
O
U
T
B
4-
26
A
O
U
T
B
3-
51
V
D
1
1
CX_SDIN1
22
A
O
U
T
A
4+
49
R
X
P
0
42
RXP7/GPO7
60
S
A
I_
LR
C
K
31
A
O
U
T
B
2+
5
DGND
62
C
X
_S
D
IN
4
48
RXP1/GPO1
41
VARX
46
RXP3/GPO3
14
AINR+
53
V
LS
16
AINL-
36
3
CX_LRCK
19
R
E
F
G
N
D
23
A
O
U
T
A
4-
8
SDA/CDOUT
12
RST
54
S
A
I_
S
D
O
U
T
4
VD0
47
RXP2/GPO2
39
LPFLT
24
V
A
5V
44
RXP5/GPO5
10
AD0/CS
18
F
IL
T
+
33
AOUTA2-
6
VLC
13
AINR-
21
A
O
U
T
B
4+
45
RXP4/GPO4
59
O
M
C
K
50
T
X
P
25
A
G
N
D
57
A
D
C
IN
2
40
AGND
63
C
X
_S
D
IN
3
11
INT
64
C
X
_S
D
IN
2
55
R
M
C
K
52
D
G
N
D
28
A
O
U
T
A
3+
43
RXP6/GPO6
58
A
D
C
IN
1
9
AD1/CDIN
17
V
Q
7
SCL/CCLK
2
CX_SCLK
56
C
X
_S
D
O
U
T
32
A
O
U
T
A
2+
61
S
A
I_
S
C
LK
27
A
O
U
T
B
3+
15
AINL+
34
AOUTB1-
29
A
O
U
T
A
3-
30
A
O
U
T
B
2-
37
AOUTA1-
38
MUTEC
U9
CS42528
R90 10K
R91 10K
FB5
FB/80R
C69 104
FB6
FB/80R
R92 33R
R93
33R
R94 33R
R95
33R
R
96
10
K
R
97
10
K
C
70
10
4
C71
104
C72
102
C73
4.7uF/6.3V/0603/Y5V
FB7
FB/80R
C
74
10
4
C
75
10
U
F
C76
104
C77
104
C78
102
C79
10uF/16V
R99 1.37K
C80
223
C81 102
C82
104
C83
102
C84
10uF/16V
FB8
FB/80R
C87 103
C88 103
C91 103
C92 103
C93 103
C94 103
C95
104
C96
102
C97
4.7uF/6.3V/0603/Y5V
FB9
FB/80R
FB10
FB/80R
C98
104
R
10
0
1K
R
10
1
1K
C100
47PF C104
NC
C105
NC
1 VCOM
2 AVSS
3 I2CSEL
4 SDIN2/JX
5 SDIN1/JX0
6 STO/RDY
7 LRCK
8 BICK
9 CLKO
10
X
T
O
11
X
T
I
12
T
V
D
D
13
D
V
S
S
14
S
D
O
U
T
3/
JX
2/
M
A
T
1
15
S
D
O
U
T
2/
JX
3/
M
A
T
0
16
S
D
O
U
T
1/
E
E
S
T
17
S
O
/S
D
A
18
S
C
LK
/S
C
L
19
SI/EXTEEP
20
CSN/CAD/MATSEL
21
AVDD
22
PDN
23
LDOE
24
DVDD/AVDRV
25
DVSS
26
OUT2
27
OUT3
28
O
U
T
1
29
A
V
D
D
30
A
V
S
S
31
IN
4/
IN
N
2/
D
M
C
LK
2
32
IN
3/
IN
P
2/
D
M
D
A
T
2
33
IN
2/
IN
N
1/
D
M
C
LK
1
34
IN
1/
IN
P
1/
D
M
D
A
T
1
35
LI
N
36
A
V
D
D
U8
AK7755
C106 4.7uF/6.3V/0603/Y5V
C107 104
C110 10UF
C111 104
R106
10K
R107
33R
C
11
2
4.
7u
F
/6
.3
V
/0
60
3/
Y
5V
C
11
3
10
4
R110 33R
R111 33R
R112 10K
R113 10K
C114
4.7uF/6.3V/0603/Y5V
C115
104
FB13
FB/220R
C116
NC
R115 33R
R116 33R
C117
4.7uF/6.3V/0603/Y5V
C118
104
C119
4.7uF/6.3V/0603/Y5V
C120
104
R117 33R
R118 33R
R119 10K
R120 NC
C99
47PF
R102 33R
C85
47PF
C86
47PF C89
NC
R219
10K
R288
33R
R289
NC/10K
R290 10K
R291
10K
C
11
10
4
R
21
1
33
R
R
25
2
N
C
/
0
R
R344 33R
R345 33R
R
34
6
33
R
R
34
7
33
R
R193 33R
R
29
3
33
R
R364 33R
R
38
2
33
R
R
38
3
33
R
C
32
4
10
uF
/1
0V
/0
60
3/
Y
5V
FB12 FB/220R
R281
0R
R294
0R
R309
0R
R216 0R
R310
0R
R311
0R
R324
0R
R329
0R
R333
0R
R334 0R
R335
0R
R336
0R
R337
0R
C342
0R
R338 0R
R
34
0
N
C
C
34
3
22uF/6.3V/0805/Y5V
C
34
4
22uF/6.3V/0805/Y5V
C345
47PF
C346
47PF
R342
0R
FB17
FB/1KRH
C381 104
DSP_3V3
A5V
A5V
DSP_3V3
GT_IN_ADC-
GT
MIC
MIC_IN_ADC-
ADC_RST
ADC_INT
D_3V3
DSP_3V3
D_3V3
D_3V3
DSP_3V3
DSPA3V3
OUT_L
OUT_R
A
U
X
_L
+
A
U
X
_L
-
A
U
X
_R
+
A
U
X
_R
-
MCS_TX_LRCK
MCS_TX_BCK
M/GADC_CS->3730/AKM
MCS_TX_MCK
MCS_TX_BCK
MCS_TX_LRCK
M/GADC_CS->3730/AKM
AK7755_DOUT
AK7755_SCL
AK7755_SDA
MCS_TX_LRCK
MCS_TX_BCK
AK7755_DOUT
ADATA_3730->AKM
SW_L-
SW_L+
SW_R+
SW_R-
DSP_REST
CS42528_SCL
CS42528_SDA
TW_L-
TW_L+
TW_R+
TW_R-
DSP_MODE
AUX_DOUT_AKM->3730
TW_DATA
MIC_DATA
MIC_OUT
M
IC
_O
U
T
TW_DATA
D_3V3 D_3V3
DSP_3V3
DSP_3V3
Circuit Diagram-MCU+DSP+AMP PCBA