15
5.2.
Audio
SA-MAX7000PU AUDIO (1/2) BLOCK DIAGRAM
1
2
5
6
TO AUDIO
BLOCK (2/2)
4
3
42 XO
41 XI
X4001
7
8
5
DSP
IC4005
MAIN P.C.B.
MIC P.C.B.
TUNER P.C.B.
SELECTOR
IC4901
A
10
ANALOG SEL1
ANALOG SEL1
QR4901
SWITCH
B
9
ANALOG SEL2
ANALOG SEL2
DSP SDO0
TUN INT
TUN WCK
QR4902
SWITCH
Q4001
MUTING
Q4002
MUTING
Q4003
MUTE
Q4004
MUTE
JK4952
Y0
1
X0
12
AUX IN 1
2
1
3
4
FM ANT
JK7001
AM/FM RADIO
RECEIVER
IC7001
2 FMI
SCLK
GPIO2 18
DOUT 13
DFS 14
LIN 15
L-CH
R-CH
TUN SDO
TUN INT
TUN RST
TUN WCK
G TUN BCK
I2C SCL
I2C SDA
RIN 16
DCLK 17
SDIO
RST
JK7002
L7002
4
6
3
1
2
4 AMI
2
1
AM ANT
8 SDIN1
10 BCK
4
SDA
5
SCL
9 LRCK
FROM/TO
SYSTEM CONTROL
FROM/TO
SYSTEM CONTROL
FROM
SYSTEM CONTROL
R
L
AUX IN 2
JK1402
3
2
1
6
7
5
4
14 X1
5 Y1
3 COM Y
13 COM X
BUFFER AMP
IC4002
2 A-INPUT
5 B+INPUT
3 A+INPUT
6 B-INPUT
A OUTPUT 1
B OUTPUT 7
6
6
CN1401 P1803
MIC DET1
MIC DET1
8
8
CN1401 P1803
MIC IN
MIC IN
1
1
CN1401 P1803
MPORT DET
MPORT DET
4
4
CN1401 P1803
MPORT IN R
MPORT IN R
2
2
CN1401 P1803
MPORT IN L
MPORT IN L
TO SYSTEM CONTROL
TO SYSTEM CONTROL
FROM
SYSTEM CONTROL
MIC DET1
MIC IN
TO SYSTEM CONTROL
MPORT DET
DSP SDO0
DSP BCK
DSP BCK
DSP WCK
DSP WCK
I2C SCL
MIC
CIRCUIT
MIC VOLUME
VR1400
MIC
JK1403
3
2
1
7
8
5
4
MIC
AMPLIFIER
IC1401
QR4001,
QR4002
MUTING
CONTROL
CIRCUIT
I2C SDA
TUN INT
TUN WCK
TUN BCK
TUN BCK
TUN SDO
I2C SCL
TUN RST
TUN SDO
TUN RST
2
RST N
DSP RESET
DSP RESET
DRV AMP MUTE
DRV AMP MUTE
3
SMUTE
DSP MUTE
DSP MUTE
I2C SDA
PWM4A 34
PWM4B 33
BUFFER AMP
IC4001
2 A-INPUT
5 B+INPUT
3 A+INPUT
6 B-INPUT
A OUTPUT 1
B OUTPUT 7
PWM2B 29
PWM1A 28
PWM1B 27
PWM2A 30
+5V
13
1
P9003 P9002
11
3
P9003 P9002
7
7
P9003 P9002
3
11
P9003 P9002
4
10
P9003 P9002
8
6
P9003 P9002
2
12
P9003 P9002
6
8
P9003 P9002
5
9
P9003 P9002
MPORT DET
: CD SIGNAL LINE
: TUNER/AUX/MIC SIGNAL LINE
: OUTPUT SIGNAL LINE
: FM SIGNAL LINE
: AM SIGNAL LINE
