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MZ-R909
4444
• IC Block Diagrams
IC301 AK5354VT-E2
8
7
6
5
ADC
CONTROL
REGISTER
I/F
AUDIO I/F
CONTROLLER
HPF
CLOCK DIVIDER
VD
VA
AGND
VCOM
1
2
3
4
LIN1
LIN2
RIN1
RIN2
16 PDN
15 CSN
14 CCLK
13 CDTI
11 MCLK
10 BCLK
9 SDTO
12 LRCK
IPGA
IC303 NJM2173APC1 (TE2)
9
8
7
6
5
101112
4321
13
14
15
16
AMP 1
AMP 2
GV
REG
REG
MIC V+1
IN1
DC CUT 1
GV
MIC V+2
IN2
D
C CUT 2
NOISE
GND
V+
STBY
OUT 1
NC
NC
OUT 2
IC302 AN17020A-VB
1
2
5
3
4
6 7 8
13141516
12
11
10
9
+
–
+
–
MUTE
RF1 RF2
BEEP
HEADPHONE
/LINE
SWITCH
GA-R
BEEP
MUT
E
HP/L
R-IN
GND
L-IN
RIP-F1
CR
VCC1
RIP-F2
VCC2
ROUT
GND
LOUT
GA-L
IC501 SN761057DBT
1
TE
REXT
Wpp LPF
VREF
C
D
D-C
Iy
Ix
Jx
Jy
A
A-C
B
ADIP-IN
FE
ABCD
OFC-C1
OFC-C2
PS
LP
EQ
AGND
RF
CCSL2
VC
RESET
SCK
SBUS
VREF075
PEAK
BOTM
DGND
OFTRK
S-MON
TON-C
CIG
CDN
ADFG
DVDD
PD-NI
PD-I
PD-O
43
44
TWpp
PK/BTM
Aw
CSLO
VREF075
A-C
D-C
Malfa
Mij
AwBPF
Dw
DwBPF
42
39
AVCC
38
37
36
35
34
31
30
29
28
27
26
25
24
23
40
41
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A+B+C+D
I+J
NPP
TON
CSL
Aw+Dw
TON Peak
TON Botm
ADIP
TE
TEMP
33
32
S-MONITOR
TE
RF
FE
APC
ADIP
T-ON
SERIAL
I/F
PEAK/BOTM
OF TRK
ABCD
Tpp/Wpp