Table of Contents
Advertisement
2.3 Audio processor – MSP4411K
+5VA
SIF IN
From TU
R154
C104
330
910P J
C100 390P J
3
TV_SIF
C103 1000P J
C105 470P K
L26
1U K
3900P K
+5VA
R161
R162
4.7K
4.7K
R163
1,3,4
SCL_CONN
R164
1,3,4
SDA_CONN
I2S IN
(HDMI)
1
I2S_DA
+5VA
+5VA
R176
D9
NC
NC
1
I2S_CL
1
I2S_WS
R180
100
1
MSP_RST
C139
0.1U K
To LINE OUT
C141 10U M
2
AUDIO_R_LINE
C146 10U M
2
AUDIO_L_LINE
1
AUDIO_R_OUT
To AMP
1
AUDIO_L_OUT
R187
R188
R189
100K
100K
100K
1
AUDIO_R_PHONE
1
AUDIO_L_PHONE
The audio processor is used for controlling volume of all audio input sources and providing
the sound effect process. MSP4411K can be provided the sound effect which is included "Virtual
Dolby", "SRS TruSurround XT", "TruBass". User can use "OSD" to choice which sound effect they like.
And MSP4411K is also provided the volume, balance and tone control (Treble, Middle, Bass) by I2C
bus.
Audio processor Circuit
L25
C99
Z220
0.1U K
R152
R153
12K J
470
C106
0.01U K
B
Q13
BC848B
L27
R155
C107
1U K
3.9K J
R156
100
R160
R159
10 J
NC
C114
C115
NC
NC
100
1
I2C_CLK
100
2
I2C_SDA
R165
100
3
I2S_SL
R166
100
4
I2S_WS
I2S_DA_OUT
R167
100
5
I2S_DA_OUT
6
I2S_DA_IN1
R170
100
I2S_DA_IN1
7
I2S_DA_IN3
8
I2S_DA_IN4
9
NC
L29
10
DVSUP
11
Z220
DVSS
+
C124
C125
C126
C127
10U M
12
I2S_DA_IN2
1.5N M
220P J
470P K
13
NC
R178
100
14
I2S_CL3
R179
100
15
I2S_WS3
16
RESETQ
17
DACA_R
2
1
R181
220
2
1
R182
220
C148 10U M
2
1
R183
470
C149 10U M
2
1
R184
470
R190
100K
R256
0
R257
0
C101
C102
12P J
12P J
Y 1
18.432MHZ
R157
R158
C108
4.7K
4.7K
56P J
C111
TP89
C110
56P J
TP90
56P J
49
AVSUP
48
AVSS
47
MONO_IN
46
VREFTOP
45
SC1_IN_R
44
SC1_IN_L
43
ASG1
U5
42
SC2_IN_R
MSP4411K
41
SC2_IN_L
MSP4411K
40
ASG2
39
SC3_IN_R
7D.04411.075
38
SC3_IN_L
37
ASG4
36
SC4_IN_R
35
SC4_IN_L
34
AGNDC
33
AHVSS
2
1
C143
10U M
2
1
C147
10U M
R185
NC
1
2
R186
NC
1
2
R191
NC
1
2
R192
NC
1
2
110
+5VA
L28
Z220
+5VANALOG
+
C109
C112
C113
10U M
1.5N M
470P K
+
C117
C116
10U M
0.1U K
C118 0.33U K
C119 0.33U K
C120 0.33U K
C121 0.33U K
C122 NC
C123 NC
C128 NC
C129 NC
C130 C131
C132
C133
C134
C135
C138 0.1U K
1
2
C140
10U M
+9V
L30
D10
+8V
K
A
Z220
LL4148
+
C144
C145
C142
10U M
1.5N M
470P K
C150
NC
C151
NC
C152
NC
C153
NC
R193
R194
R195
R196
NC
NC
NC
NC
L/R IN
R168
470
MUX_AUD_R
4
R169
470
MUX_AUD_L
4
R171
470
AUD_MB_R
6
R172
470
AUD_MB_L
6
R173
NC
R174
NC
R175
NC
R177
NC
C136
C137
Advertisement
Table of Contents
