JBL BOOST TV Service Manual page 11

SCHEMATIC DIAGRAM - MAIN BOARD (DSP+CODEC PART)
33
R68
[2]
DSP_DAO_D1
[1] 33
R60
DSP_DAO_D2
[2] R61 33
DSP_DAO_D3
33
[2] R57
SW_DAI_DI
33
[1,2,3] R56
CODEC_DAI_LRCK
R54
[1,2,3] 33
CODEC_DAI_SCLK
[2]
DSP_CLK
L18 BD471SN
[2]
P1.2V
BD471SN
[2,3] L17
P3.3V
[3]
DSP_SPI_CLK
[3]
DSP_CS
[3]
DSP_MISO
[3]
DSP_MOSI
[3]
DSP_BSY
[3]
DSP_INT
1K
R49
C70
U7
12.288MHz
20P
74LVC2G4
X1
1 6
1A 1Y
2 5
C78
GND VCC
20P
3 4
2A 2Y
SGM3157
U10
[3] 1 6
MCU_DAO NO IN
33
2 5
R80
GND V+
[2] 3 4
CODEC_DAI_D1 NC COM
0
R66
NC
R67
C33
103
R19
75K
R23
91K
MP2314
U2
1 8
AAM FB
[2,3]
2 7
19V IN VCC
3 6
SW EN
4 5
GND BST
104 22
C31
C27 R15
104
CE4
C30
100U/25
102
L7
10UH/5A
CS48L11
U9
1 18
CLK MCLK
2 17
VPLL DBDA
3
16
GND VD1
4 15
VD GND1
5 14
VL VL1
6 13
CLK/SCL DBCK
R77
100
104
C112
BD471SN
104 102
L15
C72 C73
P3.3V
[2,3]
DSP_CLK
33
[2]
R48
C90
47P
100
R82
MCU_I2S_CTRL
[3]
C117
104
[2,3]
P3.3V
L21
BD471SN
C114
104
[2] P5102
SW_DAI_DI
U6
R41
47K
R42
1K
R20
Q3
7.68K C8050
R22
20K
C32
104
[2,3]
19V
R14
R21
47K
43K
R18
AS2930_3.3
10K
U18
1 VIN
3 EN
R208
10K
C183 C180
104
10U
C51 C28 C29 CE3
102 104
22U 470U/10 LESR
[2]
CODEC_DAI_D1
[2]
DSP_CLK
[1,2,3]
CODEC_DAI_LRCK
[1,2,3]
CODEC_DAI_SCLK
[2]
DSP_DAO_D3
NC
[2] C109
DSP_DAO_D1
NC
C108
[1,2,3]
CODEC_DAI_SCLK
NC
C107
[1,2,3]
CODEC_DAI_LRCK
[2,3]
P3.3V
L20
BD471SN C113 C106 C105
1
104 102
22U
2
CX-SCLK
3
CX-LRCK
BD471SN
[2,3] 4
L19
VD
P3.3V
5
C104
DGND
104
6
VLC
[3] 22
R73 7
SCL_BUS SCL/COLK
22
[3] R72 8
SDA/CDOUT
SDA_BUS
10K
R65 9
AD1/CDIN
R70
10K 10K
10K 10
R69 R64
AD0/CS
[3] 100
R71 11
42528_INT INT
[3] 100 R63
12
42528_RESET RGT
C103 104
[1] 13
ADC_AINR-
AINR-
[1] 14
ADC_AINR+
AINR+
[1]
15
ADC_AINL+ AINL+
[1] 16
ADC_AINL-
AINL-
CE6
C89
100U/10 104
BD471SN
[1,2] L13
P5V
U4 AS1117_3.3V
2
OUT1
3
IN
4
OUT2
C52
C54
104 10U
C121 C35
C42 C48
104 10U 104 22U
[2,3]
STANDBY
R46
22K
R45
C69
NC 47K
BD471SN
L27
[3]
MCU_3.3V
BD471SN
L28
[1,3]
A3.3V
[1]
5
VO 3.3V
4
ADJ
C184 C185
10U 104
C71 103
103
C68
48
RXP1/GPO1
C67 103
47
RXP2/GPO2
103
C66
46
RXP3/GPO3
103
C65
45
RXP4/GPO4
103
44 C64
RXP5/GPO5
103
C63
43
RXP6/GPO6
103
C62
42
RXP7/GPO7
U8
41
VARX
CS42528
40
AGND1
39
LPFLT
C59
R44
38
MUTEC 102
1.37K
37
AOUTA1-
36
AOUTA1+
35
AOUTB1+
C56
34 223
AOUTB1-
AOUTA2-
33
33
AS2930_1.2
U5
5
1 VIN
VO
19V
3 EN 4
ADJ
R39
10K
C55 C53
10U 104
BD471SN
[2,3]
L16
P3.3V
C80
104
BD471SN
[2,3]
L14
P3.3V
NC
C10
[1,3]
OPTICAL_IN
[1]
SPDIF_BT
BD471SN
[1,2]
L12
P5V
R43 [1]
CODEC_MUTE
[1]
AOUT_R-
[1]
AOUT_R+
[1]
AOUT_L+
[1]
AOUT_L-
R198
0 /1206
NC
U1
[2,3]
1 8 [1]
S D PVCC
2 7
S D
3 6
S D
4 5
G D
R8
NC
R7
NC
[2,3]
STANDBY
Q1
R1
NC
NC
C5 R6
NC NC