JBL PARTY BOX 100 Service Manual page 19

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