Marantz SR3000 - BLOCK-DIAGRAM

9-3
S/P-DIF
Transceiver
LC8904Q
DUET
DSP
SAA2505H
Micro-
controller
P83C654
C
O
D
E
C
U
D
A
1
3
4
4
6
-c
h
D
A
C
U
D
A
1
3
2
8
T
IIS-20 (L-R)
IIS-20 (C-SW)
IIS-20 (Ls-Rs)
R
E
S
E
T
R
E
Q
U
E
S
T
I2
C
- S
D
A
I2
C
- S
C
L
G
N
D
+
5
V
L
E
F
T
_
IN
G
N
D
R
IG
H
T
_
IN
G
N
D
+
1
2
V
-1
2
V
G
N
D
D
M
IX
_
R
G
N
D
D
M
IX
_
L
S
U
B
W
O
O
F
E
R
S
U
R
R
O
U
N
D
_
R
S
U
R
R
O
U
N
D
_
L
G
N
D
C
E
N
T
E
R
G
N
D
R
IG
H
T
L
E
F
T
OPT IN
COAX IN 1
COAX IN 2
COAX OUT
IIS-20
S/P-DIF
I2C
IIS
-2
0
IIS
-2
0
O
P
-A
M
P
M
C
3
4
0
7
2
3V3 Stab
LF33CV
+
3
V
3
+3V3
+
5
V
+
5
V
+12V
-12V
L3
L3
L3
BLOCK-DIAGRAM
MULTI-CHANNEL DECODING MODULE '98
Signals
Control
Digital Audio
Analog Audio
Supply
Terms
DUET: Philips Dual Core DSP
DSP: Digital Signal Processor
DAC: Digital to Analog Converter
ADC: Analog to Digital Converter
CODEC: Combined ADC and DAC
S/P-DIF: Sony/Philips Digital Interface
Transceiver: Transmitter/Receiver
IIS-20: Inter-IC Sound (20 bit)
I2C: Inter-IC Communication
L3 : 3-line Communication
OP-AMP: Operational Amplifier
Stab: Stabiliser
DMIX: Downmix
OPTO: Optical Connector
COAX: Cinch Connector