BLOCK DIAGRAM
PM7000N Block Diagram
PLD
AUDIO UNIT
OLED DISPLAY
Pioneer MXS4035A
Key
Display off
LED
FRONT UNIT
RC5F
Key
Power
LED
R303SC-5C series
(37.9KHz)
COAX
IN
OPT2
IN
SP
D
IF
C
O
AX
SP
D
IF
O
PT
Digital UNIT
Clock
10MHz
DIR MCK
I2S-1 (reserve)
I2S-0 (PCM/DSD out)
I2
S-
0
(P
C
M
ou
t
≦
24
bi
t/1
92
kH
z
)
DIR Clock (24.576MHz)
FPGA I2S OUT
DIR
PCM9211
System u-com
R5F5651EDDFB
Muting
OSC
24.576MHz
(Reserve)
Lego A.Format exchange
data selector
BCK gererator
phase inverter
digital mute
PCM/DSD DATA/
BCK/LRCK/MCK
GND_A
GND_D
GND_D
GND_CHASSIS
control
RJ-45
Wi- Fi
Bluetooth
Antenna
Network Module
LEGO AIOS4
Wi- Fi
Bluetooth
Antenna
Rear Panel
USB JACK
UNIT
LE
G
O
M
C
K
LEGO MCK
SYSTEM uCOM UART
I2S-2(PCM in
for Distribution )
RC-5
IN/OUT
OPT1
IN
SP
D
IF
O
PT
AUDIO DAC
AK4490EQ
DIR_I2S
DIR2 for
Distribution
LC89091
SPDIF2 OUT
DIR2_I2S
I2S
-2
fs
=4
4.
1
ｋ
H
z
(P
C
M
in
fo
r D
is
tri
bu
tio
n
)
I2S
A/D input
I2S
-1
(P
C
M
ou
t
≧
32b
it/
35
2k
H
z
＆
D
SD
ou
t)
24.576MHz
I2S-2(PCM in for Distribution )
I/O Exp
PCF8574PWR
DAC
forDistribution
AK4458VN
R
C
5 I
N
R
C
5 ou
t
level shift
to 3.3V
Analog L/R
HDAM LPF +
HDAM-SA2
CD
IN
TUNER
IN
RECORDER
IN
PHONO
MM
IN
Phono EQ Amp
with JFET input
Analog SW
NJU72750A
(7in / 3out)
(± 7.5V)
Buffer
0dB
ATT -8dB
REC OUT Buffer
0dB
REC
Out
Line Detect Amp
Relay
Volume IC
NJU72322
(± 15V)
Relay
Relay
Power Amp
+24.0dB
Mute
Relay
SPK
Out
HP
Out
Relay
R
OSC
22.5792 MHz
(Reserve)
ADC Clock
HP-Detect
HP-Detect
SW
OSC
22.5792
MHz
X'tal
24.576
MHz
Current Feedback Amplifier
with HDAM-SA3
Serial Flash
GD25Q32C
(Reserve)
JTAG for Update
11pin Connector
for Emulator
(MP open)
7pin Connector for
ATT
-6dB
Relay
Relay
HDAM +
HDAM-SA2 buffer
+
-
PCM
DSD
Resistor
Resistor
Subwoofer
Out
Buffer
Analog SW
NJU72750A
(7in / 3out)
(± 7.5V)
MIX&LPF
LPF
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
22
